Moralo le Ts'ebetsong ea Tsamaiso ea Tekesi le Tekolo e Thehiloe ho GPS

Ka ho tsebahala le ts'ebeliso e atileng ea Global Positioning System (GPS), ho se ho khonahala indastering ea litekesi ho itšetleha ka GPS ho fumana bokalo le bolelele ba koloi ka nako ea 'nete le ho e sebelisa e le motheo oa ho kenya tšebetsong nako ea' nete ea koloi Lenaneo la ho hlophisa le ho beha leihlo. Nakong ea nts'etsopele e potlakileng ea moruo oa naha, indasteri ea litekesi, karolo ea bohlokoa ea lipalangoang tsa litoropong, le eona e kene nakong ea nts'etsopele e potlakileng. Litaba tse fapaneng tsa botsamaisi tse hlahang ts'ebetsong e tsoelang pele ea nts'etsopele le tsona li behiloe ka pela likarolo tsa mmuso tse tsamaisang indasteri ea litekesi le botsamaisi ba lik'hamphani tsa litekesi. Indasteri ea litekesi ke indasteri ea litšebeletso e tobileng sechaba ka kotloloho. Likoloi li hasane libakeng tse fapaneng tsa toropo, tse nang le tšusumetso e kholo sechabeng mme li kenyelletsa mefuta e mengata. Ka kholo e tsoelang pele ea likhoebo, mokhoa oa ho rala ka mokhoa o utloahalang kabo ea matla a tekesi le ho matlafatsa matla a tekesi Tsamaiso ea polokeho, ho matlafatsa tsamaiso ea khoebo ea bakhanni le litekesi, ho fokotsa likoloi tse se nang letho, ho fokotsa ts'ebeliso ea mafura, ho fokotsa litšila tsa lisebelisoa le ho fa bapalami kapele le lits'ebeletso tsa boleng bo holimo, jj., ho rarolla mathata a teng a hlokang litsamaiso tse tsoetseng pele ho li tšehetsa. Ho sebelisana ho fihlela nts'etsopele e ntle le e tsitsitseng ea indasteri le ho netefatsa hore k'hamphani ka boeona e tlholisano le ho nka liqeto ka potlako indastering. Ho ea ka pono ea botsamaisi ba mmuso, ho  sistimi e thehiloeng ho GPS ho rarolla tšubuhlellano ea sephethe-phethe sa literopo, ho fokotsa ts'ebeliso ea mafura a likoloi le tšilafalo ea moea, le ho matlafatsa taolo ea mmuso ea litekesi. Mokhoa oa ho rala le ho aha sistimi e felletseng e ka khotsofatsang botlalo le botsitso ba tsamaiso ea mmuso ho isa tekanyong e kholo; sebopeho sa mahlale le se lebelletseng pele sa taolo ea likhoebo; ho senyeha le ho tiea ha sistimi ka boeona; ka nako e ts'oanang, e ka fana ka bakhanni le Bapalami ba tlisa thuso le melemo, e leng bothata bo lokelang ho nahanoa le ho rarolloa morerong oa sistimi ea ho tsamaisa le ho lekola litekesi e thehiloeng ho GPS.

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Roadragon ' s la mosebetsi ya sehlooho  ke
1. Design tekesi tsamaiso le tsamaiso ea tlhokomelo e thehiloeng le kutloisiso e feletseng ea ditlhoko tekesi tsamaiso,' me u hlokomela le ketsahalo-khannoang oona tsamaisong moralo hore le ts'ehetsang multithreading le kgolo melato e phetiso ya data. Morero ke ho lumella lefapha
Bohle ho ba le sebopeho se hlakileng sa tatellano ea maemo le bokhoni bo matla ba katoloso.
2. Ts'ebetsong ea ts'ebetsong ea sistimi, sisinya le ho rarolla palo e kholo ea likhokahano tsa data lipakeng tsa litekesi le sistimi mme o netefatse botšepehi le ts'epahalo ea phetiso ea data. Morero ke ho etsa hore sistimi e fihlelle holimo ka lisebelisoa tsa seva tse bolokang chelete e ngata
Ts'ebetso le ts'epahalo ea phetiso ea data.
Etsa tlhahiso le ho rarolla bothata ba ho batla ka nepo likoloi tse romelloang tlasa maemo a rarahaneng a tsela nakong ea ts'ebetso ea ts'ebetso. Morero ke ho tsoela pele ho fokotsa sebaka se se nang letho sa koloi le ho fokotsa ts'ebeliso ea mafura a koloi ka ho batlisisa likoloi ka nepo.
Finyella sebaka sa ho palama ha baeti kapele.
Sisinya le ho rarolla bothata ba polokelo e potlakileng le e sebetsang le ho fumana lintlha tse ngata nakong ea ts'ebetsong ea sistimi. Mme e kopantsoe le tlhahlobo ea tharollo ea mathata a sebele a fihletsoeng ts'ebetsong ea ts'ebetso ea projeke ho hlalosa sistimi letsatsi le leng le le leng
Karolo ea nnete ea botsamaisi. Morero ke ho fana ka tšehetso e potlakileng le e nepahetseng ea data bakeng sa ho lekola le ho tsamaisa likoloi tsa nako ea nnete.
Ho latela tlhahlobo e boletsoeng kaholimo, sistimi e ka aroloa ka:
1. Sistimi ea mantlha ea tlhokomelo ea tlhaiso-leseling: Haholo-holo e ikarabella bakeng sa ho boloka tlhaiso-leseling ea basebetsi, leseli la mantlha la makoloi, leseli la mantlha la bakhanni le tlhokomelo ea lintlha tsa mantlha tsa 'mapa.
2. Sisteme ea tokiso ea likoloi tsa bapalami: E ikarabellang haholo bakeng sa khokahano ea data le setsi sa mehala le ho hlokomela liodara tsa bapalami, le ho romella tlhaiso-leseling ea ho boloka makoloi tsamaisong ea ho romella morao.
3. Sistimi e tsamaisang ka kotloloho e ikarabellang bakeng sa ho boloka tlhaiso-leseling ea mantlha ea nako ea koloi, le ho nyalanya koloi ho latela tlhaiso-leseling e fumanoeng ea odara. Tšebelisano ea molaetsa le molaetsa oa heke.
4. Sisteme e kenang ka tsela ea heke ea molaetsa: Haholo-holo e ikarabellang bakeng sa phetoho le phetisetso lipakeng tsa fomate ea molaetsa ka har'a sistimi le molaetsa o hlalositsoeng lipakeng tsa terminal le sistimi.
5. Sisteme ea ho lekola 'Mapa : Haholo-holo e ikarabella bakeng sa tšebelisano ea data le tsamaiso e romellang, mme e ikarabella bakeng sa bonts'etso ea' mapa le pontšo e matla ea nako ea 'nete ea likoloi Mme o romelle litaelo tsa taolo koloing.
Phallo ea data e tlohang tlase ke: 1. Koloi e romella data ea nako ea nnete ho sistimi e kenang ea tsela ea molaetsa; 2. Tsela ea molaetsa e fetisetsa data e fetisitsoeng ho subsystem e romelloang; 3. Sisteme e ikemetseng ea ho romella e ipapisitse le tatellano
Koloi e hlahlojoa ka bolelele ba sebaka sa koloi; 4. Sisteme e ikemetseng ea ho romella e romella tlhaiso-leseling e eketsehileng joalo ka tlhaiso-leseling ea nako ea nnete ea koloi le boemo ba koloi ts'ebetsong ea ts'ebeletso ea 'mapa; 5. Ts'ebetso ea ts'ebeletso ea 'mapa e tlaleha litaba tsa nalane ea koloi ebe ee romella ponts'ong ea' Nete ea moreki ea lekolang 'mapa.
Phallo e holimo-limo ea data e arotsoe likarolo tse peli tsa mantlha:
1. Phallo ea data e qalileng ke sisteme e romellang: 1. Moreki ea romellang o amohela kopo ea ts'ebeliso ea koloi mme o e romella ho sisteme e romelloang ka bo eona; 2. Sisteme e ikemetseng e romellang e iphumanela koloi e loketseng ho latela maemo a nnete.
Likoloi tse loketseng 'me li romelle likopo tsa ts'ebeliso ea likoloi ho tsena ka sistimi ea molaetsa oa heke; 3. Kamora hore sisteme e kenang monyako oa molaetsa e fumane molaetsa, e fetola protocol ea molaetsa ebe e e romella koloing e ikhethileng
2. Phallo ea data e qalileng ke moreki ea lekolang 'mapa: 1. Moreki ea lekolang o qala kopo ea ho lekola ho seva ea' mapa; 2.Seva ea 'mapa e e fetisetsa monyakong oa molaetsa ka seva e romelloang; 3. Tsela ea molaetsa e fetola protocol ebe e e fetisetsa koloing e itseng.
Ho tsoa phallong e kaholimo le ka tlase ea data, tlhahlobo ea litsamaiso tse kholo ke ho tsebisana ka likopo tse qalileng ka melaetsa. Ha ho nahanoa ka nako e tsamaellanang ea sistimi le tlhaiso-leseling e phahameng ea data, sisteme e ngoe le e ngoe ts'ebetsong ea moralo oa sistimi haholoholo e sebelisa mofuta oa "tlhahiso ea ts'ebeliso" bakeng sa moralo o akaretsang, oa bohlokoa ka ho fetesisa ke ho sebelisa mohlala oa molebeli ho qhibiliha. Morero oa mokhoa ona ke ho khaola likopo ho tsoa lihlopheng tse fapaneng tsa likhoele ho sebetsana le data ka mokhoa o ts'oanang. "Mohlahisi" ke khoele e hlahisang likopo tse hlokang ho sebetsoa, ​​'me "moreki" ke khoele e amohelang likopo tseo le ho li araba. Molemo ke hore e fana ka karohano e hlakileng e le hore likhoele li ka ralisoa hantle 'me tsa tsamaellana le filosofi ea boqapi ea ho hokahana ho hlephileng. E boetse e thusa bahlahisi ho fumana le ho rarolla mathata a etsahalang nakong ea ts'ebeliso ea 'nete. Moralo o hlophisitsoeng le ts'ebetsong ea sistimi le tsona li loketse tlhokomelo le katoloso ea sistimi. Ka nako e ts'oanang, moralo le ts'ebetsong li thusa le liteko tsa yuniti e ikemetseng ea module ka 'ngoe ho ntlafatsa nts'etsopele e ts'oanang ka har'a sehlopha, hape e na le tiiso e lekaneng ea likotsi tse latelang tsa sistimi hape. Mesebetsi ea mantlha ea moralo o mong le o mong oa sisteme ke e latelang:
1. Sistimi e tlase ea tsela ea molaetsa: Haholo-holo e ikarabella bakeng sa ho amohela le ho fetisa melaetsa, le phetoho ea litsamaiso tsa melaetsa. Ho amohela le ho fetisa melaetsa ho hloka ho nahana ka tlhokomelo ea khokahano maemong a maholo a concurrency le hore na mokato oa kopo o ka netefatsa bonnete ba data e tla romelloa tlasa pherekano ea marang-rang. Ho qhalana pakeng tsa sesebelisoa le sistimi ho netefatsoa ka phetoho ea protocol. Le ha mokhoa oa ho fana le ho beha leihlo oa mofani oa lefapha o nkeloa sebaka, botšepehi bo ka netefatsoa, ​​'me ke mojule feela oa phetolo ea protocol ea sistimi ea heke e lokelang ho fetoloa.
2. Sisteme e romellang ka bo eona: E ikarabella bakeng sa ho ahlola ka boiketsetso hore na ke likoloi life tse loketseng bapalami ho latela maemo le tlhaiso-leseling ea makoloi, ho kopantsoe le tlhaiso-leseling ea mantlha ea makoloi a baeti le leseli la mantlha la litsela tsa toropo. Li-module tse kholo li kenyelletsa mojaro oa ho amohela molaetsa le ho o romella, molaetsa le task (Task), module ea pool pool. Karolo ea bohlokoa ea ho senyeha ha sistimi e tlase ke molaetsa le module ea phetoho ea mosebetsi. Ka mojulu ona, melaetsa e fapaneng e fetoloa ho ba mesebetsi e ikemetseng e le 'ngoe kapa ho feta,' me mesebetsi e romelloa matamong a fapaneng a likhoele bakeng sa ho sebetsoa.
3. Sisteme ea seva ea 'Mapa: lekola likoloi tsa nako ea nnete le ho rekota data ea nako ea nnete ea makoloi bakeng sa tlhahlobo ea nalane.
Moralo oa moralo oa kakaretso oa sistimi Sistimi
ena e amohela Java joalo ka puo ea ntlafatso. Ts'ebetsong ea moralo, sistimi eohle e arotsoe ka lits'ebetso tse 'maloa ka moralo oa modular,' me Socket e sebelisetsoa ho hokahana ha data lipakeng tsa sistimi le sistimi. Sistimi e tlase e amohela mokhoa oa tlhahiso le tšebeliso ho lemoha ho putlama lipakeng tsa mesebetsi le ts'ebetso mme e sebelisa mahlale a likhoele a mangata hore a ntlafatse bokhoni ba ts'ebetso ea tsamaiso. Bakeng sa li-module tse tloaelehileng tse sebetsang lipakeng tsa sistimi e ngoe le e ngoe (joalo ka taolo ea khokahano ea marang-rang le module ea tlhokomelo, mochini oa likhoele, jj.) Moralo oa sistimi, li-module tsa sechaba le tse ikemetseng li etselitsoe esale pele molemong oa ho qoba nts'etsopele e sa hlokahaleng e pheta-phetoang ka har'a litsamaiso. Sisteme e tlase e shebane feela le mohopolo oa nnete oa khoebo.
Moralo le phethahatso ea mochini oa tlhahiso le ts'ebeliso
Ha ho nahanoa
Habohlokoa le ho feta molemong oa tlhahiso le tšebeliso ke moralo oa letangoana la khoele. Mohlala, OrderThreadPool ke ho fihlela phethahatso ho latela taelo ea mofuta o hlophisitsoeng. Ho nka hore opareitara e khethiloe e le mofuta 'me New Order_Task ke ntho e sebetsanang, ebe OrderThreadPool e tla etsoa ka tatellano ho latela mesebetsi ea opareitara ka' ngoe, ho netefatsa hore ke New Order_Task e le 'ngoe feela bakeng sa opareitara ka' ngoe e phethoang ka letamong la khoele. Molao-motheo oa moralo ke ho boloka HashMaps tse peli, HashMap e le 'ngoe e sebelisetsoa ho boloka botsamaisi lipakeng tsa maemo a karolelano le Mosebetsi o tsamaellanang, senotlolo ke mofuta oa tlhophiso, mme boleng ke lenane la mesebetsi la LinkedList. HashMap e ngoe e sebelisetsoang ho boloka mosebetsi oa sehlopha seo e ntse e etsoa. Hang ha ho ahloloa hore ho na le mosebetsi oa mofuta o tšoanang o etsoang nakong ea GetTask, ho khethoa mofuta o mong oa mosebetsi ho bapisa ho fihlela mosebetsi o fumanoeng e le mofuta oa mosebetsi o seng o ntse o tsoela pele ebe o khutlisetsoa letamong la khoele bakeng sa ho etsoa. Ka nako e ts'oanang, sistimi e shebile ts'ebeliso ea lisebelisoa tse sebetsang hantle tsa concurrency tse fanoeng ke Java ho tloha 1.5, joalo ka: liloko tsa ho bala-bala, li-semaphores, khokahano ea likhoele bakeng sa phapanyetsano e kopaneng, jj.
Le ha ts'ebetso ea ho lekola koloi le ho tsamaisa e kenyelletsa feela lefapha la ho romella likoloi, hobane le hlokomela khokahano e tobileng lipakeng tsa sistimi le koloi, bokhoni ba ho fumana data ea koloi ea mantlha ea nako ea nnete e ralile motheo o tiileng oa taolo e ntlafalitsoeng ea k'hamphani. Ka hona, ts'ebetsong ea moralo, ho bohlokoa hape ho nahana ka botlalo ka mehopolo ea botsamaisi ba khoebo e kholo, le ho kopanya mehopolo ea taolo e feto-fetohang le sistimi e sa fetoheng ea kemiso. Lumella sesebelisoa sa ho hlophisa le ho lekola kannete hore e be setsi sa kaho ea tlhahisoleseling ea khoebo le ho sebelisana le khoebo ho fihlela tataiso ea eona.
Tlhokomelo ea litaba tsa nalane ea makoloi

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Ho boloka lintlha tsa nalane ea koloi ke senotlolo sa ho sekaseka le ho lekola koloi. Lintlha tsa nalane ea koloi li kenyelletsa lintlha tsa nalane ea nalane ea koloi, nalane ea ts'ebetso ea koloi, joalo-joalo. Lintlha tsa nalane ea koloi li sebelisoa haholo ho fumana tsela ea ho khanna ea nalane ea koloi, e sebelisetsoang ho rarolla litletlebo tsa baeti, ho sekaseka likotsi tsa sephethe-phethe le ho fumana thepa ea bapalami e lahlehileng. Ts'ebetsong ea ts'ebeliso ea nnete, ho etsa bonnete ba hore sephetho sa koloi se ka huleloa hantle 'mapeng, ho hlokahala hore ho netefatsoe hore maqhubu a tlaleho ea libaka tsa tsela tsa bolelele ba koloi a teteaneng ka ho lekana. Haeba koloi e kenya tlaleho ea boemo metsotsoana e meng le e meng e 10, ho tla ba le 8640 ka letsatsi. Lintlha tsa tlaleho ea boemo li baloa e le sekhechana sa data ea boemo ba boemo [nomoro ea boitsebiso ba koloi ea 4byte + 8byte latitude le longitude + 4byte time + 1 byte speed + 1 byte (direction, positioning) + 1 byte status status + 4 byte alarm type] a Kakaretso ea li-byte tse 23, e le 'ngoe ka letsatsi Lintlha tsa pina ea koloi li fihla ho 194K. Likoloi tse likete tse leshome ka letsatsi li ka fihlela 1G ea data. U ka boloka data ee joang? U ka fa basebelisi lipotso tse bonolo le tse potlakileng joang? U ka sekaseka tlhaiso-leseling e sebetsang ho latela data ee ho fana ka mehopolo e mecha bakeng sa botsamaisi? Litaba tsena li tlameha ho tsotelloa tsamaisong ea moralo le ts'ebetsong. Lintlha tsa nalane ea nalane ea makoloi ke ho sekaseka lekhetho la letsatsi le letsatsi la koloi ka 'ngoe. Ho hlahlojoa ha tlhaiso-leseling ea data ho thusa batsamaisi ho sekaseka hore na litefiso tsa hajoale li na le kahlolo e utloahalang, hore na tlhahiso ea matla e khotsofetse, le lintlha tse ling tsa tsamaiso. Lintlha tse sebetsang li kenyelletsa lintlha tsa mantlha joalo ka nomoro ea poleiti ea laesense, nomoro ea boitsebahatso ba makoloi, nako ea ho qala, nako ea ho qetela, mileage ea ts'ebetso, palo ea ts'ebetso, jj. Hlahloba lirekoto tsa 800,000 tsa makoloi a 10,000 ka letsatsi le lits'ebetso tse 80 ka koloi ka letsatsi. Mokhoa oa ho netefatsa bots'epehi ba data e sebetsang, polokelo le tlhahlobo ea data e sebetsang, le mokhoa oa ho cheka tlhaiso-leseling e nepahetseng bakeng sa tlhahlobo ea botsamaisi ho tsoa boitsebisong bona ba mantlha ba ts'ebetso hore basebelisi ba e sebelise habonolo le ka potlako ke litaba tsohle tse lokelang ho tsotelloa ho ts'ebetso ea moralo oa sistimi.
 GPS Vehicle historical data
According to the implementation of the system, the system is implemented in JAVA programming language, deployed on the server of the Linux operating system, and the database uses Oracle11g. Regarding the massive amount of data and the operating frequency of the data, the system is stored in two ways: file disk storage and database storage. For the vehicle trajectory file, a data system with a high upload frequency, it mainly uses file disk storage to store basic data. For vehicle operating data, data that is relatively infrequently uploaded, is stored in the form of database storage. The following will introduce solutions for processing two kinds of data. The main purpose of the vehicle trajectory file is to trace the historical driving situation of the vehicle and to statistically analyze the number of historical vehicles in each time period in different areas.
Scenarios for retrospecting the historical driving situation of the vehicle include: 1) Lost and found by passengers: Passengers left their belongings in the vehicle, but cannot provide specific vehicle information, and can only provide a certain place during a certain period of time. The system needs to find out all the vehicles that have passed the locations recalled by the passengers based on the historical trajectory information of all vehicles in a certain period of time for investigation. 2) Passenger detour complaints: Passengers provide information about the vehicle they are in, and the system queries the vehicle's driving route during the service period to determine whether the vehicle is detouring illegally. 3) Vehicle statistics for each time period in different areas: Generally used to monitor whether the number of vehicles in the area is abnormal, so as to determine whether the vehicles in the area have stopped or went on strike. In practical applications, the monitored city needs to be divided into multiple monitoring areas, and the number of vehicles in the area is counted according to the 24 hours a day. The number of vehicles in the area is divided into 24 hours a day to form weekly averages, monthly averages and other reference data, combined with the real-time number of vehicles on the day The situation is compared to draw a reference conclusion whether there is any abnormality. According to the above three common scenarios in the actual business process, it can be found that the main analysis and query conditions for vehicle historical trajectory data are: time, latitude and longitude, and specific vehicle. According to the analysis in the previous question, the number of trajectories of a car in a day can reach up to 8,640, and the amount of data can reach 194K, so it is not an ideal solution to store these data in a database. Because each vehicle reports a position in 10 seconds, 10,000 vehicles will have 1,000 database insertions in one second. Frequent database table operations will definitely affect the performance of the system. From the perspective of query analysis, a car has a maximum of 8,640 position report data a day, and 10,000 cars equals 864 million position report data. Even if the database partition table or sub-table is used and the key fields are indexed, if the vehicle trajectory is used The playback operation query will generate various I/O waits at the database level, leading to a sharp drop in system performance. Therefore, when the system is designed, the storage of the vehicle trajectory file adopts the file disk for direct storage. Choose the file storage structure. According to the actual business reference analysis and the determined storage method, the system design needs to consider how to store it to be more efficient. The most common is to use the storage structure of the hash file. Hashing files is similar to the Hash table in the data structure, that is, according to the characteristics of the keywords in the file, a hash function and a method to handle conflicts are designed to hash the records on the storage device. The difference from the Hash table is for the file , File records on the disk are usually stored in groups. Several records form a storage unit, which is also called a "bucket". Since our development language is Java, we can find from the HashMap structure implemented in the Java language API that the data structure of the hash table is composed of an object array and multiple object linked lists. The object array is similar to the concept of "bucket". Each bucket is identified by a hash value. If there are objects with the same hash value, they are stored in the object linked list of the "bucket". The search time of the data structure hash table is complicated. The ideal situation can reach O(1), that is, each "bucket" has only one object, and the worst may be only one "bucket". All data is put into the object list of this "bucket", so the worst The search time complexity will reach O(n). Of course, in the HashMap implementation process, there is a function of judging the total number of objects and the number of "buckets" and regenerating the correspondence between the new distribution "buckets" and objects. Understanding the data structure implementation of an actual hash table structure helps us design our own hash file based on the hash table data structure. Hash distribution of trace files. According to the use of the trajectory file and the attributes of the file itself, the system divides the file into storage levels according to the hierarchical structure of year, month, day, and vehicle license plate. Considering the scalability of the system, it is convenient to access more vehicles in the future. Use the last character of the license plate number for hash processing.
The principle and design of dispatching to find a car

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Tsamaisong ea ho tsamaisa le ho lekola litekesi e thehiloeng ho GPS, mokhoa oa ho hlokomela sistimi ka bo eona o fumana likoloi tse loketseng ho fa bapalami mehopolo le meralo ea meralo. Morero oa ts'ebetso ea thomello ea sistimi ke ho fa bapalami likoloi tse nakong haholo, le ho fa litekesi bapalami ba haufinyane ho fokotsa mileage ea mokhanni ho fihlela sepheo sa ho boloka motlakase le ho fokotsa mochini. E boloka chelete bakeng sa bakhanni mme e fana ka bonolo ho bapalami.

Lipheo tsa pele tse peli tse lokelang ho tsotelloa molemong oa moralo oa ho fumana likoloi bakeng sa ho romella: li potlakile ebile li nepahetse. Pele ho tsohle, ha re utloiseng litšobotsi tsa mantlha tsa mopalami ea kenang ho fana ka tlhoko ea koloi. 1) Nomoro ea mohala eo mopalami a letsitseng ho eona; 2) Nako eo mopalami a sebelisang koloi ka eona; 3) Sebaka seo mopalami a neng a il'o palama koloi ka sona. Nomoro ea mohala ea litšoaneleho tsena tse tharo tsa mantlha e ka fumaneha ka kotloloho ka sistimi ea mehala, mme haeba koloi e bolokiloe molemong oa motho e mong, e ka fumanoa ka ho kopa mopalami ho letsetsa nomoro ea mohala. Bapalami le bona ba tla nka bohato ba ho tsebisa motho ea romang thepa ka nako ea koloi. Senotlolo ke ntlha ea boraro ea sebaka sa bolulo. Bapalami ka kakaretso ba bua feela ka aterese ea 'mele e kang: tsela efe e haufi le tsela e itseng le litlhaloso tse ling tsa sengoloa. Bakeng sa sistimi ea ho romella, sistimi e hloka ho fetolela tlhaiso-leseling e mabapi le boemo ba tsela tseleng e felletseng le tlhaiso-leseling ho fumana likoloi, hape e sebelise tlhaiso-leseling ea bolelele le bolelele ho bona hore na ho na le likoloi tse loketseng tse ka romelloang. Ka hona, mosebetsi oa mantlha oa ho batla likoloi ka nepo ke mokhoa oa ho fumana bolelele le leseli la sebaka sa bolulo sa baeti.

Boloka leseli la bolelele le bolelele ba sebaka sa ho lata

Ho boloka tlhaiso-leseling ea bolelele ba sebaka sa ho nka ke ho boloka tlhaiso-leseling ea laeborari ea litoropo. Haholo-holo li kenyeletsa: tsela ea tsela ea latitude le data ea longitude, lintlha tse ikhethileng tsa moaho le bolelele ba sebaka, lintlha tsa ntlo ea latitude le data ea longitude, jj. Ho latela litšobotsi tsa litsela tsa litoropo tse fapaneng, lintlha tse fapaneng li ka sebelisoa ho tsamaisa mohloli oa latitude le longitude. data ea ntlha ea ho nka. Mohlala, litoropo tse nang le linomoro tsa ntlo tse lekantsoeng le tse holileng joalo ka Shanghai li ka khetha latitude le longitude ea karolo ea linomoro tsa ntlo joalo ka mohloli oa bolelele le bolelele ba sebaka sa bolulo sa makoloi. Metseng e meng e menyenyane, sebaka le bolelele ba meaho e ikhethang li ka sebelisoa e le mohloli oa bolelele le sebaka sa bolulo sa baeti. Toropo e akaretsang e loketse sebaka le bolelele ba mateano a litsela joalo ka mohloli oa sebaka le bolelele ba sebaka sa bolulo sa baeti.

Ho na le melemo le likotsi tsa e 'ngoe le e' ngoe ea mekhoa ena ho latela karolo ea palo, meaho e ikhethang, le mateano a litsela. E sebelisoa ka kakaretso nakong ea ts'ebeliso ea 'nete. Karolo ea linomoro tsa ntlo e na le mefuta e fokolang ea kopo, 'me kabo ea nomoro ea ntlo ea toropo e tlameha ho ba e ts'oanang le e tsoelang pele. Empa tsela ea karolo ea nomoro ea ntlo e ka fumana sebaka le sebaka sa bolulo sa baeti ka potlako le ka nepo. Molao-motheo o tjena: arola tsela litseleng tse 'maloa tse nyane ho latela palo ea ntlo,' me u sebelise litsela tse nyane joalo ka bolelele le bolelele. Mabapi le hore na ke linomoro tse kae tsa menyako tse arotsoeng karolo e le 'ngoe, basebetsi ba bokellang tlhaiso-leseling ea tsela ba iketsetsa qeto ho latela maemo a' mila. Ho bokella bolelele le bolelele ba karolo ea nomoro ea monyako e ka ba tsela eo mokelli a kenang ka eona karolong ea nomoro ea 'mila o itseng ebe o kenya bolelele le bolelele ka sesebedisoa sa GPS ho fumana data e nepahetseng ka ho fetisisa ea longitude le latitude. Tšebelisong ea 'nete ea sistimi, ha mopalami a letsetsa mohala oa koloi mme a tsebisa tsela le nomoro ea ntlo ea sebaka seo ba lulang ho sona, sistimi e ka fumana karolo ea ntlo eo nomoro ea ntlo e leng ea eona ho latela tsela le nomoro ea ntlo ebe e fumana nomoro e lekanang karolong ea ntlo. Tlhahisoleseling ka bolelele le bolelele, mohlala, ha mopalami a kena mme a bolella hore aterese ea koloi ke No. 10 Zhongshan Road, sistimi e tla fumana hore No. 10 Zhongshan Road e kahara palo ea No. 2 ho ea No. 50 Zhongshan Road , ka hona sistimi e tla khutlela ho No. 2 ho ea No. 50 Zhongshan Road. Tlhahisoleseling ea longitude le latitude e tsamaellanang le karolo ea tsela e sebelisoa joalo ka leseli la longitude le latitude la sebaka sa bolulo sa baeti. Mokhoa ona oa ho fumana sebaka le bolelele ba sebaka sa bolulo o batla o nepahetse, mme phoso e ke ke ea feta limithara tse 500. Bothata ke hore mojaro oa mosebetsi o batlang o le moholo oa ho fumana lintlha tsa nomoro ea ntlo o hloka nako ea pokello ea lintlha tse thata le tse qaqileng qalong. Ho feta moo, boemo ba ho beha maemo lipalo tsa matlo a litoropo bo batla bo phahame. Mokhoa o ka sehloohong oa ho fumana bolelele le bolelele ba 'mila oa toropo ke ho fumana tlhaiso-leseling ea bolelele ba tsela ea tsela ka ho sekaseka lintlha tsa' mapa oa toropo. Ha mopalami a letsa, ho boleloa hore 'mila o itseng o haufi le tsela e itseng ho fumana bokalo le bolelele ba sebaka sa bolulo. Mokhoa ona oa ho fumana latitude le longitude o bonolo haholoanyane, empa bothata ke hore ho nepahala ha boemo ho ka se tiisoe. Hang ha mopalami a le tseleng e telele a se na mateano a litsela ka har'a lik'hilomithara tse 'maloa tsa' mila, sistimi e ke ke ea khona ho fumana ka nepo sebaka sa bopalami se nepahetseng sa mopalami se ipapisitseng le tlhaiso-leseling ea bolelele ba tsela.

Ho hlophisa ho fumana koloi

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Tlhokomelo ea bolelele le bolelele ba sebaka sa bolulo sa baeti e fana ka motheo o tiileng oa data bakeng sa sistimi ea ho romella likoloi ka boiketsetso ho fumana likoloi. Netefatso ea ho fumana likoloi e ntse e hloka ho tsotelloa hammoho le litšobotsi tsa tsela ea toropo ea lehae le palo ea litekesi tse nkang karolo morerong.
Fumana koloi ho latela sebaka se fapaneng sa bolelele le bolelele
Mokhoa ona oa ho fumana koloi o batla o le bonolo ebile oa sebetsa ho o sebelisa, 'me o sebelisoa khafetsa liketsong tse sebetsang. Molao-motheo oa ho tsebahala: Etsa selikalikoe ka bolelele le sebaka sa bolulo sa baeti e le setsi sa sebaka sa ho batla likoloi joalo ka radius, ha feela koloi e ka har'a selikalikoe e le koloi eo morekisi a e batlang, haeba e le sieo koloi ka nako, radius e tla tsoelapele ho bapisoa le koloi ho latela mokoloko o itseng, Ho fihlela koloi e fumanoa kapa radius e fihlella boleng bo holimo bo behiloeng ke sisteme. Mokhoa ona o batla o le bonolo ho o kenya tšebetsong, empa ts'ebetso ha e phahameng haholo, hobane ho hlokahala hore ho baloe sebaka se pakeng tsa likoloi tsohle le setsi sa selikalikoe. Ha e na mahlale ebile e sebetsa hantle. Nahana ka mopalami sethaleng a nang le likoloi tse 10 000 a batlang koloi. Ebile, ho ke ke ha ba le likoloi tse fetang 20 ho potoloha sebaka sa bolulo sa baeti, 'me ke koloi e le' ngoe feela e tla fuoa bapalami. Leha ho le joalo, re hloka ho bala sebaka bakeng sa likoloi tsohle tse 10,000 sethaleng. Ha e le hantle lipalo tse 9,980 ha li na thuso. Joale ts'ebelisong ea 'nete, ka lebaka la ntlafatso e tsoelang pele ea ts'ebetso ea seva ea hajoale, ho sebelisa mokhoa ona sethaleng sa ho tsamaisa litekesi se nang le likoloi tse fetang 10,000 e ntse e le mokhoa o potlakileng le o nepahetseng oa ho kenya tšebetsong. Haholo-holo toropong e nang le moralo oa 'mila o loketseng joaloka Shanghai, ha ho na lebaka la ho nahana ka mohlolo oo koloi e hlokang ho khanna sebaka se selelele pele moeti a palama sebaka ho potoloha ho lata bapalami. Ha ho nahanoa ka lipalo tse kholo tse se nang thuso tse tlisoang ke ho fumana koloi ho latela sebaka se fapaneng sa longitude le latitude, moralo oa sistimi o na le tataiso e ngoe ea ntlafatso.
Patlo ea koloi
ea grid Patlo ea marang-rang ke ho qoba lipalo tse se nang thuso molemong oa ho fumana koloi sebakeng se otlolohileng, le ho ntlafatsa ts'ebetso ea ts'ebetso ea ho batla. Molao-motheo ke: pele, toropo e arotsoe ka marang-rang ho latela latitude le longitude; la bobeli, boemo ba koloi keriting bo tlalehiloe ho latela latitude ea nako ea nnete le bolelele ba koloi. Ho ea ka sebaka sa bolulo sa baeti, likoloi tse keriting e haufi li fumaneha, 'me sebaka se lipakeng tsa makoloi a marang-rang le bopalami ba bapalami le bolelele bo bapisoa le ho fumana koloi e loketseng bapalami.
Lintlha tsa 'Mapa oa GPS ho fumana koloi ka nepo

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Ho sa tsotelehe hore na ke patlo ea koloi e otlolohileng ka ho fetesisa kapa ea patlo e eketsehileng ea marang-rang, molao-motheo oa mantlha e ntse e le ho ahlola hore na koloi e loketse e le koloi e 'ngoe e romelloang e ipapisitse le bolelele le bolelele ba mopalami. Ho palama le sebaka se otlolohileng sa koloi. Mokhoa oa ho kopanya tlhaiso-leseling ea 'mila ho fihlela phihlello e nepahetseng ea koloi ha e tloaelehe tsamaisong ea hona joale ea ho romella. Lebaka ke hore hangata ho bonolo haholo hore likoloi tsa sebopeho sa marang-rang a litoropo li fetohe. Metse e meholo e nang le litsela tse phahameng le eona e supa hore likoloi tse se nang letho ha lia lumelloa ho nyolloa. Ka hona, Chaena, ho fumana koloi ka sebaka se otlolohileng lipakeng tsa sebaka sa bolulo sa baeti le bolelele ba sebaka sa koloi ho lekane ho fihlela litlhoko tsa mantlha tsa bareki.
Empa litoropo tse ling tse ikhethang joalo ka Jakarta naheng ea Indonesia. Likoloi litseleng tsa toropo ena hangata li hloka ho khanna lik'hilomithara tse 'maloa kapa ho feta ho potoloha. Kaha Indonesia e sebakeng se kotsing ea ts'isinyeho ea lefatše, toropo ha e na 'mila o tsamaeang ka tlas'a lefatše, kahoo ho buloa litsela tse peli tse ikhethang bohareng ba tsela ho khanna libese tse lebelo. 'Nete ke hore likoloi tse arohaneng li ke ke tsa chechela ho hang. Toropong e sa thabiseng joalo, haeba bolelele le sebaka sa bolulo sa bapalami li bapisoa le bolelele ba koloi ho fumana koloi, motho le koloi ba tla ba ka mahlakore a fapaneng, kapa boemo ba mopalami bo sa tsoa ba teng. e khannoa, kahoo koloi e kanna ea hloka ho potoloha sebaka se seholo. Selikalikoe se ka khutla ho lata bapalami. Sena se hanana le sepheo sa mantlha sa sistimi e romellang GPS ho boloka tšebeliso ea mafura ea bakhanni. Bakeng sa ho rarolla khohlano ena, sistimi e tlameha ho nahana ka ho sebelisa sebaka se lipakeng tsa koloi le baeti ba palameng le tlhaiso-leseling ea tsela ho fumana koloi e loketseng.
Mohopolo oa moralo: Litsela tse takiloeng 'mapeng ka kakaretso li emeloa ke "likarolo". Mmila o arotsoe ka "likarolo" tse tsoelang pele. Mme ho latela bophara ba karolo ka 'ngoe ho theha "band". Ka tsela ena, mokhoa o felletseng oa tsela o ka bonts'oa 'mapeng. Ho latela hore na mateano a litsela ka 'ngoe a ka fetoha, na tsela e ea nqa e le' ngoe, jj. Joale, ho latela sebaka sa ho batla koloi, ho baloa hore na 'mila o hole ho fihla moo ho palameloang bapalami o teng, ka hona o fumana bolelele ba tsela le bolelele ba tsela. Ho ea ka latitude ea tsela le data longitude line e fumanoeng tseleng e lebisitsoeng ho 'mila, hammoho le bophara ba karolo ka' ngoe ea tsela ho fumana "latit" ea "latitude" le bokalo ba tsela. Ebe u ahlola ka bolelele le bolelele ba koloi hore na koloi e tseleng "lebanta" la tsela. Haeba sebaka le bolelele ba koloi li le ka har'a "lebanta" la tsela, ho bolela hore koloi e matha tseleng e tšoanelehang. Leha ho kopana ha graph ho parola le sebaka se phahameng sa ho parola ho ka hlokomela ho phenyekolloa ha makoloi, mokhoa oa ho beha qalo tseleng "mmapa", ke hore, ho etsa joang hore bapalami ba hloelle tseleng, hobane, boemo ba tsela moo bapalami ba bangata ba palamang koloi ha se E tlameha ho ba tseleng e hlokometsoeng ke sistimi, hape ho kanna ha etsahala hore bolelele le bolelele li sechabeng feela. Boemo bona bo thata ho sebetsana le bona ntle le lintlha tse qaqileng tsa toropo le bolelele ba toropo, hobane o ke ke oa tšela tseleng le bolelele ba mopalami joalo ka sebaka sa bolulo sa mopalami, hobane ho ka etsahala hore mopalami a le sechabeng , a siea mopalami hore a palame koloi ka bolelele le bolelele bo haufi Tsela e arotsoe feela ke lebota la sechaba. Bakeng sa ho ahlola tsela e haufinyane, ho hlokahala lintlha tse qaqileng haholo tsa 'mapa,' me e hloka ho nepahala ho heke ea sechaba. Bakeng sa ho fokotsa matsete morerong, sistimi e ka lumela feela hore bolelele le sebaka sa bolulo sa baeti se tla ipapisa le bolelele ba tsela.
Ts'ebetsong ea mantlha ea laeborari ea mmila, data ea laeborari ea tseleng e hloka ho beoa tseleng ea 'nete. Nahana ka boemo boo sistimi e fumanang sebaka sa bolulo sa mopalami le bolelele, 'me sistimi e hloka ho potoloha kapele ho tsoa ho data ea litoropo ho ea "karolong" ea tsela moo mopalami oa bopalami a leng teng. Mme ho latela "karolo" ena ea tsela ho fumana "karolo" ea tsela e hokahantsoeng le "karolo" ea tsela, ehlile, re hloka feela ho fumana bolelele le bolelele ba sebaka sa koloi bo ka tlase ho sebaka se phahameng se boletsoeng bakeng sa ho fumana koloi, hobane sebaka se selelele lipakeng tsa lintlha tse peli ke se khuts'oane haholo, Haeba sebaka se otlolohileng se fetile sebaka se phahameng sa ho fumana koloi, sebaka se nepahetseng sa tsela se tla feta sebaka se phahameng sa ho fumana koloi. Ho latela "likarolo" tsohle tsa tsela tse fumanoeng li fihlella sebaka se phahameng sa ho fumana koloi ebile li hokahane le tsela eo bapalami ba palameng koloi ka eona, "lebanta" la tsela le fumanoa ho latela bophara ba tsela bo hlalositsoeng ke "karolo" e 'ngoe le e' ngoe ea tsela . Ka hona, mosebetsi oa mantlha ts'ebetsong ea ho kenya tšebetsong ke ho aha mmotlolo oa tsela le mokhoa oa ho fumana tsela kapele e hokahantsoeng le bolelele le sebaka sa bapalami ba palamang. Bakeng sa sebopeho sa data ea tsela, qala ka ho arola lintlha tsa 'mila ka "likarolo". Ho nka hore "karolo" e telele ka ho fetisisa e arotsoe ka bolelele ba 1 km, toropo eohle ea Shanghai e nkuoa e le mohlala. Bolelele ba litsela tse kholo tsa Shanghai bo ka ba lik'hilomithara tse 11,000, 'me bolelele ba litsela tsa litoropong bo ka ba lik'hilomithara tse 4,400. Le ha bophahamo ba data ba karolo ea tsela bo arotsoe ka 1 km, ke tšobotsi ea bohlokoa ea taelo e nyane ea boholo bo nahanang ka "karolo" ea tsela.
Qetello
Mosebetsi oa mantlha le oa bohlokoahali oa kemiso ea makoloi ke ho fumana koloi e nepahetseng kapele le ka nepo. Khaolo ena e hlahisa le ho sekaseka metheo ea mantlha ea ho fumana likoloi le ho elelloa, melemo le likotsi tsa mekhoa e mengata ea ho fumana likoloi. Ho tloha hole haholo ho fumana koloi ho gridi ho fumana koloi, mme qetellong o kopanye moralo le ts'ebetsong ea patlo e nepahetseng ea koloi le tlhaiso-leseling ea 'mila oa toropo. Leha ho na le poloko e ngata e khathatsang le taolo ea tlhaiso-leseling ea 'mila ea litoropo molemong oa moralo oa ho fumana likoloi o kopaneng le tlhaiso-leseling ea tsela, mokhoa ona oa ho fumana likoloi o tla ba o phethahetseng haholoanyane ka tlhaiso-leseling ea tsela le bareki' Litlhoko tsa Ho romela ho nepahala ho ntse ho eketseha le ho feta. Haele hantle, ha patlo ea koloi e nepahetse, e ka fokotsa lebelo la koloi le ho fokotsa ts'ebeliso ea peterole e sa hlokahaleng, 'me cheseho ea mokhanni e tla phahama le ho feta. Mokhoa oa ho hlophisa ho fumana likoloi o nang le sephetho se nepahetseng sa koloi o kopantsoeng le tlhaiso-leseling ea libaka o tla sebelisoa haholo nakong e tlang.
Ho sekaseka lintlha le ts'ebeliso
bothata ba ho paka litekesi

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Ntho e thata ka ho fetisisa bakeng sa liofisi tsa lipalangoang libakeng tse fapaneng ke hore litekesi tse libakeng tsa bona li romela literaeke le ho emisa liketsahalo tsa ho khanna. Ha e ame maeto a baahi feela, empa lebaka le leholo ke hore boholo ba tšusumetso bo ama haholo botsitso le bonngoe ba sechaba. Ho ka boleloa hore ho emisoa ha litekesi ke ntho ea mantlha e tlang pele ho Bureau ea Lipalangwa ho boloka botsitso. Lilemong tsa morao tjena, ka lebaka la mabaka a fapaneng, literaeke tsa literaka le ho emisoa li etsahetse nako le nako. Mokhoa oa ho rarolla ho emisoa ha litekesi ke mokhoa oa mmuso oa ho kenella, mme sethala sa ho lekola GPS se maemong a thusang ha ho ka hlaha kotsi. Hlahloba ho latela mokhoa oa ho rarolla bothata ba setopong. Ka kakaretso mmuso o ka nka mokhoa oa ho hatella lik'hamphani tsa litekesi, mme lik'hamphani tse ling li tla pele ho etsa mosebetsi oa mohopolo oa bakhanni. Lebaka le ka sehloohong la hore bakhanni ba khaotse ho khanna ha se letho ho feta chelete e tlase le ho ba matla mosebetsing. Sistimi ea GPS e bapala feela karolo ea karolo ea tlhokomelo, mme mmuso o ntse o hloka ho romela palo e kholo ea basebetsi ho etela. Le ha ho le joalo, na seteishene sa ho tsamaisa litekesi se thehiloeng ho GPS se ka bapala karolo ea karolo ea ho lekola? Kamora ho sekaseka le ho nahana, tlhahlobo e sebetsang le ea thuto. Sistimi ea ho tsamaisa le ho lekola litekesi e thehiloeng ho GPS e khona ho thibela pele, ho hopotsa pele, ho lekola nakong ea ketsahalo, le kakaretso ka mor'a ketsahalo.
Thibela esale pele
Sebopeho se akaretsang sa indasteri ea lapeng ea litekesi ho tloha mmuso ho ea ho mokhanni ha e le hantle e ts'oana. Ha e le hantle, mmuso o na le matla a tsamaiso ho laola ts'ebetso ea lik'hamphani tsa tekesi kahare ho matla a eona; lik'hamphani tsa litekesi li na le tokelo ea ho sebelisa litekesi le ho fetisetsa ts'ebetso ea letsatsi le letsatsi ea litekesi ho mokhanni ka ho lefisa mokhanni tefiso e itseng ea botsamaisi khoeli le khoeli; mokhanni ke eena ea ikarabellang bakeng sa ho khanna. Litsenyehelo tsa mafura, litšenyehelo tsa tokiso le likotlo tsa tlolo ea melao le melaoana li tsamaisoa ke mokhanni. Chelete ea botsamaisi e lefuoang k'hamphaning ea litekesi ha e le hantle e etsa chelete e ka bang 2/3 ea lekhetho la khoeli le khoeli la mokhanni. Ka puisano le basebeletsi ba mmuso le kutlwisiso e tsoang ho mokhanni oa tekesi nakong ea ho sebetsana le ho emisoa ha liketsahalo tse 'maloa, ho fumanoe hore ho na le mabaka a ka bang mabeli a ho emisoa ha tekesi:

Chelete e kenang ea mokhanni e tlase haholo;
2. Ho na le baetapele ba hlohlellelitsoeng Le tlhophiso.Ka ho kopanya sesosa sa ketsahalo ea ho emisa le boemo ba nnete ba tsamaiso ea tekesi e tsamaisang GPS le tsamaiso, e ka fa mafapha a amehang khopotso esale pele. Ha re sekasekeng boemo ba 'nete: litekesi li matha literateng le litselaneng tsa toropo. Ke ka lebaka la motsamao oa eona o tlisang botsitso ba taolo ea ona. Sesebelisoa sa bohlokoahali ka har'a tekesi ke mitara, e tlalehang leseli le qaqileng la khoebo ka 'ngoe ea mokhanni. Ho kenyelletsa nako, nako ea ho qala le ea ho qetela, mileage, jj. Setsi sa GPS se kentsoeng tekesi se theha khokahano ea nako ea nnete lipakeng tsa tekesi le taximeter ka koloing le sistimi ka puisano e se nang mohala ho terminal. Batsamaisi ba ka laola le ho tsamaisa litekesi tsena. Ka sistimi ea module ea puisano ho terminal, o ka utloisisa rekoto ea mitha ea koloi ka 'ngoe le lekeno la letsatsi. Ka lits'ebetso tsena tse peli tsa index, lekeno la mantlha la mokhanni ka mong le ka hlahlojoa. Ho ea ka lekeno la khoeli le khoeli, ho ka ahloloa hore na ke bakhanni bafe ba ka susumetsoang, mme lefapha la botsamaisi le ka nka mehato e fapaneng ho felisa likotsi tse patehileng le ho thunya. Mohlala, lik'hamphani li ka buisana le bakhanni ba amohelang chelete e tlase ka tsela eo ba tsotellang basebetsi ba bona, ba ithuta ka mathata a bakhanni ka nako mme ba fana ka lithuso tse itseng tsa mathata, kapa ba eketsa chelete ea sebele ea bakhanni ka ho fana ka boiphihlelo bo botle ba mosebetsi. Mohopolo oa boipaballo o hlakile: ka ho sekaseka lipalo tsa lekhetho la nnete la mokhanni ho bona hore na mokhanni o na le monyetla oa ho emisa. Ka puisano ea sefahleho le sefahleho le bakhanni ba amohelang chelete e tlase esale pele le mekhoa e meng, leka ho rarolla mathata a nnete a bakhanni, ho hlokomela bakhanni ba nang le moputso o tlase, le ho bontša tlhokomelo ea k'hamphani bakeng sa bakhanni ho fihlela sepheo sa ho thibela mathata pele ba etsahala. Ts'ebetsong ena, sistimi e bapala karolo ea ho ahlola ka nepo motho eo ho buisanoang le eena pele ho nako, ho qoba ho ba le sepheo sa k'hamphani, le ho etsa hore mosebetsi oa k'hamphani o be le sepheo le katleho. Motheo oa data o ka sehloohong oa mokhoa oa ho phethahatsa ke data ea lekhetho ea taximeter ka tekesi, le rekoto ea mitha ea tekesi. Ka hona, mitara e tlameha ho fana ka sehokelo sa data ho sesebelisoa sa koloi sa GPS, mme data e ka "tšoeloa" ka seteisheneng sa koloi kamora ts'ebeletso e ngoe le e ngoe. Kamora ho amohela data, sesebelisoa se kentsoeng ke koloi se tiisa le ho romella molaetsa oa netefatso ho mitha. Sesebelisoa se kentsoeng ke koloi se kenya data ea metara ho sistimi ka module ea khokahano ea waelese. Kamora hore sistimi e fumane data, e e boloka polokelongtshedimosetsong mme e romelle molaetsa oa maikutlo o netefatsang rasiti setsing se kentsoeng ke koloi. Ka khopolo, botšepehi ba data bo netefalitsoe hore bo tla tlisoa ka ho romella molaetsa oa maikutlo oa netefatso. Ka lehlakoreng le leng, sistimi e hloka ho beha meeli e fapaneng ea data ho latela maemo a nnete libakeng tse fapaneng ho fumana boemo ba ho kheloha lipakeng tsa data e kentsoeng le boemo ba nnete ho fumana hore na "data e ts'epahala". Mohlala, ho ipehela karolelano ea "metering" ea letsatsi ka leng, palo e phahameng ea ts'ebetso ea phapang e le 'ngoe, jj. Sisteme e hlahisa liphetho tsa papiso ho latela meeli e fapaneng ea data bakeng sa batsamaisi ho ahlola.
Ha ho nahanoa ka palo e kholo ea tlhaiso-leseling e fumanehang ea litekesi, data ea lekhetho e 80 ka koloi ka letsatsi ho bala litlaleho tsa ts'ebeliso ea letsatsi le letsatsi tsa makoloi a 10,000 ke 800,000. Nahana ka ho amohela tafole ea karohano ho hlokomela tšebetso ea moralo. Ke hore, tafole e le 'ngoe ea karohano ka khoeli. Nka nako ea 'nete ea tlhaiso-leseling e sebelisitsoeng e le senotlolo sa tafole ea karohano le tafole ea karohano. Lipalo-palo tse ikemetseng li etsoa hang ka letsatsi ho fumana kakaretso ea lekhetho la letsatsi le letsatsi la koloi ka 'ngoe, hammoho le palo ea metering, mileage e sebetsang le mileage ea ho khanna e se nang letho ka letsatsi. Palo ea limithara e sebelisetsoa ho fumana hore na lekhetho la mokhanni le tsamaellana le boemo ba nnete, mme mileage ea ts'ebetso le mileage e se nang letho li bapisoa ho fumana hore na sepheo sa ts'ebeliso ea mafura se ka bolokoa ka ho fokotsa mileage e se nang letho.
Hopotsa esale pele
Mokhoa oa ho hopotsa batsamaisi kapele kamoo ho ka khonehang ha mokhanni a emisa ketsahalo ea kopano, mme a fa batsamaisi nako e lekaneng ea ho utloisisa boemo ba nnete le ho etsa moralo oa tharollo? Hona hape ke mosebetsi oo lefapha la botsamaisi le o nkang e le la bohlokoa haholo. Morero oa mokhanni oa ketsahalo ea ho emisa tekesi ke ho holisa tšusumetso ea sechaba le ho hapa tlhokomelo ea mafapha a amehang le ho mamela litlhoko tsa bona. Ka hona, ha ho emisoa tekesi, likoloi li tla bokana libakeng tse 'maloa tse nang le tšusumetso toropong. Ka hona, sistimi e ka sebelisa mekhoa e 'meli ha e rala le ho ahlola setopo le ho bokella: 1) Seta pele sebaka sa ho lekola ho tseba palo ea nako ea makoloi le boemo ba makoloi sebakeng seo; 2) Se ke oa beha sebaka sa ho lekola esale pele, 'me u latele meeli ea toropo ka botlalo. Sebaka se ntlafalitsoeng se sebelisetsoa ho tseba hore na likoloi li ntse li bokellana. Mekhoa ena e 'meli ka kakaretso e ipapisitse le mokhoa oa pele, le mokhoa oa bobeli e le tlatsetso. Moralo le ts'ebetsong ea sebaka sa ho beha leihlo esale pele ke: seta sebaka pele 'mapeng, se ka bang polygon, selikalikoe le libopeho tse ling tse fapaneng. Sisteme e hlahisa lintho tsa sebaka ka morao ho latela sebopeho sa sebopeho le libaka tsa bolelele le bolelele. Boalo le bolelele bo kentsoeng ka nako ea 'nete bo supa hore na koloi e sebakeng seo. Mohlala, sebakeng sa ho lekola polygon, sistimi e hlahisa lintho tsa polygon tse thehiloeng ho lintlha tsa polygon e khethiloeng ke mosebelisi 'mapeng, mme e ahlola hore na koloi e sebakeng seo ho ipapisitsoe le tlhaiso-leseling ea bolelele le bolelele ba koloi ka' ngoe. Hang ha likoloi li se li le sebakeng se fetang moeli o itseng, sistimi e ahlola hore likoloi tsena li belaelloa hore lia bokellana. Hang ha palo ea makoloi sebakeng sa ho lekola e feta monyako o behiloeng ke basebeletsi ba tsamaiso, sistimi e tla qala ho tšosa le ho tsebisa basebeletsi ba amehang ho ela hloko ka melaetsa ea selefouno le ho lekola li-pop-up. Sistimi ena e fana ka tlhaiso-leseling e felletseng mabapi le makoloi sebakeng sa bohlokoa sa ho lekola, joalo ka Khampani, lebitso la mokhanni, jj. Haeba ho ahloloa hore ketsahalo ea 'nete ea kopano e ea etsahala, mafapha a amehang a ka hokahana le sepolesa sa sephethe-phethe ho thibela likoloi ho ho tsoelapele ho bokana sebakeng seo, mme ka nako e ts'oanang, ho latela k'hamphani ea makoloi e fanoeng ke sistimi ho fana ka litaelo tsa tsamaiso ho khoebo, jj., tsosa motho ea ikarabellang khoebong hore a hopane hona moo bakhanni ba Khoebo le makoloi. Ka bokhutšoanyane, sepheo ke ho nka nako ho sebetsana le boemo pele bo hola le ho leka ho qoba ho holisa boemo.
Mohopolo oa ho lekola palo ea likoloi sebakeng se seng ke ho fumana hore na palo ea makoloi ka har'a khilomitara e le 'ngoe ea toropo e feta moeli o itseng. Kaha sebaka se tla ahloloa ke motswako o hatellang, sistimi e hloka ho etsa likahlolo tsa lipalo ka ho kopanya libaka tse nyane libakeng tse kholo ts'ebetsong ea ts'ebetso. Mohlala, sebaka sa kilomitara e le 1 se arotsoe likarolo tse 9 tse nyane tsa limithara tse 100. Haeba moeli oa makoloi sebakeng sa kilomitara e le 'ngoe ke 30, haeba palo ea makoloi sebakeng se seng le se seng sa limithara tse 100 e feta 4, palo e felletseng ea makoloi sebakeng sa limithara tse 100 e ka eketsa moeling oa likoloi tse 30. Ka hona, mefuta ea ho lekola sistimi e fetoloa ho lekola sebakeng se senyane sa limithara tse 100. Moralo le ts'ebetsong ea sebaka sa ho lekola se sa reroang ke tse latelang: sistimi e arola toropo eohle libakeng tse ling tsa limithara tse 100 ho latela sebaka sa toropo le sebaka sa latitude le longitude. Sebaka se arotsoeng se beha monyako oa palo ea likoloi. Baahloli ba sistimi ba ipapisitse le palo ea likoloi sebakeng se senyane, mme hang ha monyako o fihletsoe, e ahlola hore na palo e felletseng ea makoloi tikolohong e haufi e fihla monyako oa alamo bakeng sa palo ea likoloi tse behiloeng leihlo. Ka ntlafatso ea kutloisiso ea bakhanni ba litekesi ea li-terminals tsa GPS, sethala sa ho lekola se hloka ho fana ka tlhokomeliso ea pele ea ho kenya data e sa tloaelehang ea GPS. Mohlala, palo ea liphoso tsa puisano ka makoloi e phahame haholo ka nako e telele, mme palo ea makoloi 'mapeng oa ho lekola e nyolohile haholo bakeng sa ho beoa, jj. Hape ke lits'oants'o tsa data tseo lefapha la botsamaisi le hlokang ho li ela hloko.
Ho lekola liketsahalo nakong
ea ts'ebetso ea ho emisa le ho bokella liketsahalo, sebaka sa ho lekola se ka khethoa ka sistimi, mme palo ea makoloi sebakeng le tlhaiso-leseling ea mantlha joalo ka k'hamphani le mokhanni oa koloi e ka baloa ka nako ea nnete . Hopola bakhanni ka likhoebo.
Kakaretso kamora moo
Ho bokella ho emisoa hangata ho nka matsatsi a 'maloa kapa le ho feta beke. Kamora moo, ho a hlokahala ho etsa tlhahlobo ea lipalo ho bakhanni le liuniti tse amehang 'mokeng. Sisteme e ka bala bolelele ba nako ea ho lula sebakeng sa ho paka makoloi ka nako ea kakaretso ea ho paka ho ipapisitse le tlhaiso-leseling ea nalane ea koloi ho tseba botebo ba ho nka karolo ha mokhanni phakeng. E ka ahlola hore na koloi e sitisitse puisano ea seteishene se ka sekepeng ka ho bokella lipalo-palo tsa sekhahla sa inthanete nakong ea seteishene ka kakaretso. Fana ka tšehetso ea data bakeng sa mmuso le likhoebo ho fumana le ho bokella bahlophisi ba ketsahalo ea ho emisoa.
E le sepheo sa tlhokomelo ea botsitso litoropong, ho emisa le ho bokella litekesi ho khahlile litoropo tse ngata. Ts'ebetso ea ho lekola sethaleng sa ho tsamaisa le ho lekola litekesi se thehiloeng ho GPS haholoholo se fana ka ts'ebetso ea tlhokomeliso le tlhokomeliso pele ho liketsahalo tsa ho khanna. Sesosa se ka sehloohong sa likhohlano se ipapisitse le ketsahalo ea ho bokella batho ba emisang ho khanna se ka fokotsa sekhahla sa ho khanna se se nang letho ka ts'ebetso ea ho romella GPS, ho fokotsa tšebeliso ea mafura a mokhanni a se nang letho, le ho fokotsa litšenyehelo tsa mokhanni ho fana ka thuso.
Fokotsa tšubuhlellano ea mebileng le tšebeliso ea mafura
Ka kholo e potlakileng ea moruo oa lapeng, sephethe-phethe sa litoropo metseng e fapaneng se mpefetse le ho feta. Likhohlano tse bakiloeng ke tšubuhlellano ea sephethe-phethe metseng ea malapeng ea maemo a pele joalo ka Beijing, Shanghai le Guangzhou li se li tsebahala haholo. Ho hobe le ho feta ke hore tšubuhlellano ea sephethe-phethe sa literopo e hasane ho tloha metseng ea mekhahlelo ea pele ho ea metseng ea mahlakore a bobeli le a boraro. Le ha litoropo tse ngata tse kholo li se li qalile ho lekola mehato e meng e thibelang ho tsamaea ha makoloi molemong oa ho fihlela sepheo sa ho fokotsa tšubuhlellano ea 'mila oa litoropo, joalo ka palo e makatsang le e lekanang ea Beijing, fantisi ea laesense ea Shanghai joalo-joalo. Metse e meng e se e qalile ho rera ho lefisa litefiso tsa pherekano litoropong. Leha ho le joalo, ts'ebetso ea tšubuhlellano ea sephethe-phethe ea literopo ha e so ntlafatsoe. Ho fapana le moo, ka nts'etsopele ea moruo oa naha le ntlafatso ea maemo a bophelo a batho, tlhokeho ea batho ea ho reka likoloi e matlafetse, mme khanyetsano ea tšubuhlellano ea litsela litoropong e se e hlahella. Mokhoa oa ho thusa ho fokotsa tšubuhlellano ea 'mila ke ho nahana butle-butle ho nka sebaka sa tsela e emang ka thoko ho tsela ka kemiso ea makoloi. Ho ea ka lipalo-palo, ho nka Shanghai e le mohlala, sebaka se se nang letho sa litekesi se ikarabella ho feta 40% ea mileage kaofela. Ke
hore ho thoe halofo ea oli e ka litekesi e senyeha ka letsatsi, mme halofo ea likoloi e ntse e khanna tseleng. Sena ha se senye chelete ea khase feela, se eketsa ts'ebetso ea bakhanni, empa hape se nka lisebelisoa tsa bohlokoa tsa litoropo. Nahana hore haeba sistimi ea hona joale ea ho rola tekesi malapeng e fetoloa ho tloha pitsong ea sechaba ho ea ho mokhoa oa ho rorisa mohala, joale tekesi e tla be e phomotse ha ho se na bapalami, ke hore, e boloka khase ebile e fokotsa matla a basebetsi mme e lokolla toropo lisebelisoa tsa tsela. Phetoho ea mohopolo ke mohato o etsahalang butle-butle. Ho hiroa batho litseleng tsa litekesi ke mohlala o qalileng ho tloha qalong ea indasteri ea litekesi, mme esale e le mofuta o tloaelehileng oa khoebo ho tloha hae ho ea kantle ho naha. Phetoho ea butle-butle ho tloha ho thaothong ho isa ho romelloeng ha mohala ha e hloke feela ho fetola mekhoa e sebetsang ea bakhanni, empa habohlokoa le ho feta, ho fetola mekhoa ea ho nahana ea bapalami. Hajoale, litoropo tsa malapeng le tse ling li se li qalile ho theha liforomo tsa ho romella litekesi tse litoropong, joalo ka Wuxi, Nanchang, Wenzhou joalo-joalo. Le ka ho kenya likhakanyo tsa papatso tsa LED litekesi ho fihlela litefiso tse leka-lekaneng le ho fokotsa lichelete tsa mmuso. Ntle le moo, liforomo tsa litekesi tsa litoropo tse litoropong tse kang Wuxi le Nanchang li ka fihlella ho khotsofala ho tloha ho basebetsi ho isa tlhokomelong ea sistimi. Ho ea ka pono ena, sethala sa ho tsamaisa litekesi se maemong a toropo se ka fumaneha ka botlalo mabapi le matsete a lichelete. Nka mohlala oa Wuxi. Ho na le litekesi tse ka bang 4,000 Wuxi. Sethala sa thomello se hahiloe lilemo tse peli tse fetileng. Ho tloha pitsong ea pele ea bapalami ba bangata ka letsatsi ho letsetsa litekesi, ho fihlela mafelong a 2010, ho bile le karolelano ea melaetsa e atlehileng e fetang 6,000 ka letsatsi. Ho feta 8000. Ha e nolofalletse feela maeto a baahi ba Wuxi, empa ho bohlokoa le ho feta, e letsetsa mohala Moetso o
mocha oa koloi oa koloi o qalang ho mela. Keketseho ea palo ea mehala le palo ea lingoliloeng tse atlehileng li ka romelloa
Mokhoa oa hajoale oa ho letsetsa koloi oa amoheleha sechabeng, 'me bakhanni ba ikemiselitse ho sebelisana.
Mokhoa oa ho aba bokhoni ba litekesi ka ho sekaseka lintlha hape ke eona feela tsela ea ho lemoha butle-butle phetoho ea litekesi ho tloha ho hira ho ESC. Haeba litekesi li its'etleha haholo ho li-ESC, ho bolelang ho fokotsa ho khanna ho se nang letho tseleng, hape ho tla tlisa khanyetsano, ke hore, menyetla ea hore mokhanni a bone bapalami e fokotseha, mme lekeno la mokhanni le tla fokotsoa. Mokhoa oa ho boloka tekesi sebakeng seo koloi e sebelisoang ho sona, ke hore, e ka fihlella sebaka sa ho palama baeti kapele kamoo ho ka khonehang kamora ho amohela taelo ho tsoa setsing sa dispatch ho fokotsa mileage e se nang letho le ho nahana hore mokhanni o lokela ho khanna koloi sebakeng seo ho emela kamora ho romella bapalami Khoebo e ncha. Ka bokhutšoanyane, ho fihlela katleho ena ho tloha phetisong ea mokhanni ho ea ho ESC, mathata a mabeli a mokhanni a tlameha ho rarolloa pele: 1) Mokhoa oa ho netefatsa palo e itseng ea khoebo ea tekesi ea ESC; 2) Mokhoa oa ho arola sebaka se tloaelehileng sa ho paka makoloi ka mokhoa o utloahalang. Haeba mathata ana a mabeli a sa rarolloe, ho ke ke ha khonahala ho fihlela sepheo sa phetoho ea mehlala ea khoebo. Ho ipapisitsoe le tlhaiso-leseling ea tlhaiso-leseling ea likhamphani tse tharo tsa litekesi tsa Shanghai, Volkswagen, Jinjiang le Bus, ho fumanoe hore, ntle le libese tse ka fihlelang khoebo ea letsatsi le letsatsi ea lits'ebetso tse fetang tse 2 ka koloi, palo e tloaelehileng ea thomello e atlehileng Ts'ebetso ea Volkswagen le Jinjiang e ka ba pene e ka bang 1 feela. Palo ea lingoliloeng tse atlehileng tsa Volkswagen ka letsatsi le le leng e ka ba 12,000, Jinjiang e ka bang 4,000, 'me libese li ka fihla ho 8,000. Ho arotsoe ke palo ea likoloi tse tsamaellanang le lik'hamphani tsa bona tse tharo, ho ka fumanoa hore palo ea hajoale ea lits'ebeletso tsa ESC e ke ke ea fihlela lits'oants'o tsa khoebo tsa letsatsi le letsatsi tsa bakhanni. Sena ke sesosa sa mantlha sa hore bakhanni ba ntse ba tla khetha ho khetha mokhoa oa bona o ka sehloohong oa ts'ebetso. Ho feta moo, khoebo ea ESC ea lik'hamphani tsena tse tharo tsa litekesi e se e sebelitse lilemo tse fetang tse hlano. Ho ipapisitsoe le lebelo la khoebo ena ea ESC, ho bonahala esale pele hore haeba ho se na ts'ebetso ea tsamaiso, ho ke ke ha khonahala hore o tlohe ho hira ho ea ho ESC ka bo eona. Moetso oa khoebo o ile oa hlaha. Joale sethala sa ho romella litekesi se thehiloeng ho GPS se ka etsa eng ho khothaletsa phetoho ea mofuta ona oa khoebo?
Ka melemo ea ho sekaseka lintlha sethaleng, re ka fa bakhanni libaka tse loketseng tsa ts'ebeliso ea makoloi le litsela tse ling tse thusang bakhanni, ho fihlela sepheo sa sethala sa ho tebisa lipelo tsa bakhanni. Ka mantsoe a mang, sistimi ha e bapala feela karolo ea ho tsamaisa le ho beha leihlo ho latela pono ea batsamaisi, empa hape e hloka ho bapala karolo ea tlhahlobo le tataiso ho latela pono ea mokhanni, e le ho fana ka thuso e sebetsang ho eketsa lekeno la mokganni le ho netefatsa polokeho ya mokganni. Ka ho sekaseka lintlha tsa sebaka seo baeti ba palamang ho sona le nako ea ho palama, mokhanni o bontša libaka tseo bophahamo ba koloi ea baeti li batlang li le holimo ka nako eo, 'me palo ea nalane ea likoloi tse sebelisoang sebakeng ka seng le nako e etsa nalane ea letsatsi le letsatsi papiso ya data. Ts'ebetsong ea 'nete ea ts'ebetso, haeba palo ea makoloi a tekesi sebakeng sena e feta liperesente tse itseng nakong ena, sistimi e ka ts'oara le ho romella molaetsa ho likoloi tsohle ho hopotsa sebaka hore likoloi li se li tletse, mme likoloi li ka nahana ho ea libakeng tse ling ho thibela ho khanna ho se na letho. Mme ho ipapisitsoe le nalane ea nalane ea sebaka le nako le palo ea makoloi sebakeng sa letsatsi, ho ahloloa hore na ke libaka life tse ntseng li haelloa ke likoloi, mme mokhanni o tataisoa ke ho romella melaetsa ho likoloi tse haufi. Ka ho sekaseka le ho tataisa ho ea ka pono ea mokhanni, boits'epo le botumo ba sethala sa ho romella li theoa hanyane ka hanyane hara bakhanni, e le hore mokhanni a tlohe lipelaelong ho ts'epa ho ts'epa sethala sa thomello. Seteishene se ka sekepeng se hokahantse koloi le sistimi haholo. Hafeela batsamaisi ba buisana ho feta mokhanni ho utloisisa mehopolo ea mokhanni, mme ba sisinya litharollo tse utloahalang le mekhoa ea taolo ho latela pono ea botsamaisi, ke lumela hore mokhanni o sethaleng ho fihlela melemo e sebetsang. Ka nako e le ngoe Matsete a likhoebo le mebuso le ona a ka putsoa ka mokhoa o hlakileng. Ho tlameha hore khoebo ea hajoale ea ESC e nang le lits'ebetso tse ka tlase ho 2 koloing ka letsatsi ha e phahame bakeng sa lik'hamphani tse tsetetseng haholo lits'ebetsong tsa moaho qalong. Ho fokotsa tšubuhlellano ea 'mila oa toropo le ts'ebeliso ea mafura ka ho tsamaisa tekesi ke tsela e telele eo u lokelang ho e etsa. Bothata bo teng phetohong ea mekhoa e tloahelehileng ea ho sebetsa le mekhoa e mecha ea ho sebetsa e ntseng e sa khone ho laola le ho e sebelisa. Paka hore e ka nka sebaka sa mokhoa oa khale oa ho sebetsa o ipapisitseng le bobuelli. Leha ho le joalo, sistimi e ntse e ka bapala karolo e itseng ho fokotsa ho khanna ho se nang letho ha mokhanni le ho fokotsa tšebeliso ea mafura. Leha boemo ba Yang Zhao bo ke ke ba nkeloa sebaka ke ESC hajoale, ho tsoa tlhahlobisong ea data ea ESC metseng e ruuoang joalo ka Shanghai, Wuxi, Nanchang le Wenzhou, Mokhoa oa ESC o qala ho amoheloa butle ke bapalami le bakhanni. Ke feela hore ho sa na le tsela e telele ea ho holisa le ho nka sebaka sa Yang Zhao e le mokhoa o ka sehloohong oa ho hohela bapalami.
GPS-based taxi dispatching and monitoring system  technology is not a new set of technologies. As an application in the taxi industry, it has slowly begun to enter the use stage on a large scale. The realization of a taxi dispatch and monitoring platform has gradually become a must on the road of enterprise and government management and information construction.
Today, the number of vehicles connected to the platform is increasing, and the function of calculating the degree of road congestion can be gradually achieved through the platform. The investment in calculating whether the city road traffic is congested is very expensive. Taking the speed measuring coil laid on the high-speed driving road as an example, not only the investment is huge, but the maintenance workload is also huge. Through the real-time running speed of the taxis connected to the platform and the road where the latitude and longitude are located, as long as the connected vehicles reach a certain proportion, it can be used to achieve the basis of real-time road conditions of urban roads. This technology that relies on the basic data of the taxi dispatching and monitoring platform to access vehicles to determine the real-time road conditions of urban roads is currently in the research and preliminary use stage. It is believed that the application of this technology will be more perfect and popular in the future. Of course, this kind of road condition analysis also has certain limitations. After all, the distribution of taxis on urban roads does not reach the various roads of the city. Therefore, the data of road congestion analysis cannot be complete, but it is an economical The basic data source method of road analysis, the data source and analysis of GPS-based taxi dispatch and monitoring system are still trustworthy and cannot be ignored.
In the future with the continuous development and improvement of mobile communication technology, GPS-based taxi dispatch and monitoring systems can achieve many things that are currently desired but cannot be achieved through high-speed and high-bandwidth wireless communication networks. For example, real-time monitoring of the actual situation in the car, real-time monitoring of the actual situation in the car, and other tasks that require network bandwidth. At present, the monitoring of the situation in the car basically uses a camera to take pictures, such as taking pictures when passengers get in the car, take pictures when passengers get off, and take pictures when the vehicle is alarmed. And transmitted to the server through the wireless communication network. Due to the limitation of bandwidth, the sharpness of photos taken will be limited. If a 4G network is adopted, the network bandwidth will be able to withstand the upload of video surveillance data, and the system can achieve real-time viewing of every move in the car. With the continuous development of smart phones, it is very common for mobile phones to support GPS positioning. The GPS-based taxi dispatch system can even be developed in the direction of online car booking. Passengers can directly use a mobile phone with GPS positioning function to book a vehicle, the system can directly obtain GPS positioning data on the passenger's mobile phone, and generate passenger car orders, which can more accurately obtain passengers' boarding latitude and longitude.


Nako ea poso: Sep-04-2020