CN1760930A - Method and system for dispatching and monitoring special vehicles of magnetic suspension traflic - Google Patents

Abstract

Through wireless MOBITEX, control center transmits differentiated data of GPS satellite signal together with service data to each vehicle carried system digitally. Based on the differentiated data, each vehicle carried system generates initial positioning data, and converts the initial positioning data to mileage of one dimensional railway line so as to generate applied positioning data for the special vehicle. Based on the applied positioning data, the vehicle carried application system implements scheduling and monitoring functions for the special vehicle, vehicle management, operation scheduling and monitoring, and safety guard etc. Through wireless MOBITEX, the applied positioning data together with service data transmitted to the application system in the control center so as to be able to implement the said functions to all vehicles and lines, not just for a vehicle. Features are: compact resolvent, simple device, accurate positioning, effective safe communication etc.

Description

The dispatching and monitoring special vehicles of magnetic suspension traflic method and system

Technical field

The invention belongs to vehicle operating control field, particularly relate to a kind of accurate tracking special vehicles of magnetic suspension traflic, thus realize to its position, the dispatching and monitoring method and system of management, traffic control, operation monitoring, security protection.

Background technology

The scheduling of current public transportation and administrative skill have obtained development at full speed, are widely used on the dispatching and monitoring of different kinds of railways traffic, taxi, motorbus, public security police car, armoured van and various professional haulage vehicles.Especially various electronic technology, the communication technology, computer technology and artificial intelligence develop into management of vehicles and scheduling provides new technical support.The foundation of Current GPS GPS, the positioning means of a kind of cheapness, practicality is provided for the user in the global range, and various land mobile communication systems, as conventional intercom system, paging system, group system (as IDEN), DataCell, CDPD, GSM/SMS/GPRS, CDMA etc., also come out one after another.

Wherein be typically " utilizing DGPS information and railway track information " patent the most to follow the tracks of the device and method of rolling stock in disclosed KR2002-0078442 Korea S Posco Co., Ltd. application on October 18th, 2002.This device of following the tracks of rolling stock is made up of following five parts:

1) vehicle boarded system, it is made of gps antenna, GPS receptacle, controller, marking device, modulator-demodular unit, antenna and transmitting set etc.;

2) track circuit condition checkout gear, it is made of track circuit and control relay etc.;

3) base station system, it is made up of base station and base station controller etc.;

4) vehicle control system, it is made up of man-machine interface interface, data Library, process computing machine, data input-output unit, gps antenna etc.;

5) base station system, it is made up of gps antenna, gps receiver, base station server etc.

Its method is, vehicle control system carries out radio communication by base station system with vehicle boarded system and the operation relevant information that includes position data, the correction data of in this vehicle control system, utilizing the rolling stock absolute position that obtains from vehicle boarded system, obtaining from rolling stock position that the track circuit condition checkout gear obtains, from the base station system, on this rolling stock circuit, aspect the tracking of current position, possess characteristics with the next stage:

1) to this rolling stock planting oneself on railway track, the state that operates a switch and the state of signalling means detect, thereby judge the stage whether this rolling stock is moving;

2) in the above-mentioned vehicle boarded system with stage of the information of the relevant location and time that receives from the satellite more than three position by using this rolling stock of geometry trigonometric calculations;

3) receive the information of relevant position and time from selected in advance reference satellite, and utilize the correction data phase of these information setting absolute positions;

4) if in the above-mentioned stage 1) in be judged as and be in running status, then begin to carry out the Position Tracking of this rolling stock, utilize the above-mentioned stage 3) in the correction data to the above-mentioned stage 2) in stage of revising of absolute position;

5) in advance selected database, seek the above-mentioned stage 4) in revised with respect to the position on the circuit of absolute position, determine the stage of this vehicle current position.

But existing above-mentioned technology exists system complex, installation difficulty, will all fronts attachment rail line status pick-up unit be exactly a difficult problem on the floating aerial conveyor of magnetic for example.And method is loaded down with trivial details, bearing accuracy is poor, can not satisfy two tracks at a distance of 5 meters far away, and its precision is less than 3 meters requirement.Its function singleness of while, only follow the tracks of for vehicle location, do not possess function, and that these functions are floating special vehicles (as inspection vehicle, wrecking car, reapir truck, pilot engine etc.) of magnetic of operating in outside the normal magnetic-levitation train plan is necessary to management of vehicles, traffic control, operation monitoring, security protection.In addition, also there is the problem such as dirigibility, expense of the reliability of train-ground communication and real-time, networking in prior art.

Summary of the invention

The purpose of this invention is to provide a kind of dispatching and monitoring special vehicles of magnetic suspension traflic method and system that is applied to.Solution dispatching and monitoring method is succinct, equipment simple, the location accurate, train-ground communication is safe and effective, the technical matters of networking flexibility.

The technical scheme that the present invention solves the problems of the technologies described above is:

A kind of dispatching and monitoring special vehicles of magnetic suspension traflic method, comprise differential GPS location and wireless transmission, it is characterized in that: the gps satellite signal of being accepted is produced differential data together with packing by central operator's input or by the spontaneous business datum of central application module, with being wirelessly transmitted to each onboard system by control center; Each onboard system is in the GPS initial alignment data that produce on the basis of accepting gps satellite signal and this differential data after proofreading and correct, and finish this conversion or the projection of GPS initial alignment data on one dimension line track mileage with location algorithm, produce the application locator data of this special vehicle, carry out vehicle management, traffic control, operation monitoring to this special vehicle and vehicle line, the dispatching and monitoring function of security protection by this vehicular applications system according to this business datum of using locator data, the business datum of receiving or vehicle-mounted operator input; This application locator data is packed by being wirelessly transmitted to control center's application system together with the business datum of vehicle-mounted operator input, carries out vehicle management, traffic control, the operation monitoring to all vehicles and circuit, the dispatching and monitoring function of security protection.

What further, the transmission of the data wireless between control center and onboard system was used is Mobitex proprietary data communication standard.

Further again, receive the life pulse of its GPS positioning equipment and radio transmission apparatus and judge that its state comes the implementation system monitoring by control center's application system.

Further again, receive the life pulse of its GPS positioning equipment and radio transmission apparatus by the vehicular applications system, and judge that its state comes the implementation system monitoring.

A kind of dispatching and monitoring system that uses above-mentioned dispatching and monitoring special vehicles of magnetic suspension traflic method, form by control center and onboard system, it is characterized in that: this dispatching and monitoring system, be divided into the despatching work station system that utilizes the initial alignment data special vehicle to be realized the dispatching and monitoring function of vehicle location, vehicle management, traffic control, operation monitoring, security protection, adopt MOBITEX proprietary data communication standard the wireless digital transmission communication system, finish Differential GPS Positioning System three parts that the collection of special vehicle positional information and correction provide the initial alignment data; This despatching work station system forms by being arranged on the central workstation that comprises central application module and display device in the control center and being arranged on the vehicle-mounted workstation that comprises vehicular applications module and display device in the onboard system; This Differential GPS Positioning System is made up of a differential reference station that is arranged on control center and a GPS access device and the 2nd GPS access device that is arranged in the onboard system; This wireless digital transmission communication system is made up of wireless base station that is arranged on control center and the radio reception device that is arranged on the onboard system.

Further, above-mentioned central application module and vehicular applications module all comprise business module and communication module two parts.

A kind of dispatching and monitoring system of control center that uses above-mentioned dispatching and monitoring special vehicles of magnetic suspension traflic method, it is characterized in that: this system is by the vehicle location of the application locator data that receives to all special vehicles, vehicle management, traffic control, operation monitoring, security protection realizes that the dispatching and monitoring function comprises the central workstation of central application module and display device, receive gps satellite signal and produce the differential reference station that differential data has a GPS access device, adopt MOBITEX proprietary data communication standard to send or receive differential data, use locator data, business datum comprises isochronous controller, wireless base station three parts of base station controller and wireless base station device are formed.

Further, fixed base stations is formed in differential reference station and wireless base station, and this fixed base stations is connected with central workstation by LAN (Local Area Network).

Also further, above-mentioned wireless base station device is connected with LAN (Local Area Network) with base station controller by isochronous controller successively; Differential reference station directly is connected with LAN (Local Area Network).

Further again, this isochronous controller is principal and subordinate's dual-cpu structure, received the upstream data of onboard system and send to base station controller by wireless base station device by host CPU, the data that receive base station controller from CPU send to wireless base station device with synchrodata; And this isochronous controller regularly sends the life pulse to base station controller.

Further, base station controller is an embedded OS, and it regularly sends the life pulse to central workstation.

Further again, this central authorities' application module comprises business module and communication module; This communication module regularly receives the life pulse of differential reference station and base station controller, carries out the system monitoring that discriminant alarm is finished control center.

A kind of vehicle dispatching surveillance of using above-mentioned dispatching and monitoring special vehicles of magnetic suspension traflic method, it is characterized in that: include and adopt MOBITEX proprietary data communication standard to receive or send differential data, use the radio reception device of locator data and miscellaneous service data, this differential data is proofreaied and correct the 2nd GPS access device into the initial alignment data, and these initial alignment data are converted to one dimension line track mileage coordinate system use locator data this special vehicle is carried out vehicle management, vehicle location, operation monitoring, vehicle-mounted workstation three parts that comprise vehicular applications module and display device of security protection dispatching and monitoring function.

Further, be provided with the MCU isochronous controller that joins with the 2nd GPS access device, radio reception device, this MCU isochronous controller is formed the Vehicle Controller of finishing vehicle-mounted workstation and outside data communication with the 2nd GPS access device, radio reception device.

Further again, this vehicular applications module includes the communication module that the life pulse judgement system state that regularly sends by the 2nd GPS access device that receives, radio reception device carries out system monitoring; This communication module regularly sends interrogating signal to the MCU isochronous controller.

Further again, this central workstation and vehicle-mounted workstation are provided with vehicle location application module, vehicle management application module, traffic control application module, operation monitoring utilization module and security protection application module.

The present invention has following beneficial effect:

1, changed in the past with manual method the scheduling of the floating special vehicle of magnetic, the backward state of supervision, can control all special vehicles efficiently, rapidly, totally.

2, simultaneously special vehicle is carried out vehicle location, vehicle management, traffic control, operation monitoring, five kinds of comprehensive dispatching and monitoring functions of security protection.

3, localization method is easy, bearing accuracy is high, and positioning error is less than 2.5 meters.

4, use is based on the wireless digital transmission communication of MOBITEX technology, its fixed base stations can covering radius be the scope of 20-30 kilometer according to conditions such as environment and emissive powers, can expand the coverage area and channel capacity by increasing base station composition network, and networking flexibility, communication security is effective.

Description of drawings

Fig. 1 is an expression special vehicle dispatching and monitoring system schema synoptic diagram;

Fig. 2 is the composition synoptic diagram of dispatching and monitoring system of expression control center;

Fig. 3 is the composition synoptic diagram of expression vehicle dispatching surveillance;

Fig. 4 is a dispatching and monitoring special vehicles of magnetic suspension traflic method synoptic diagram of the present invention;

Fig. 5 is circuit of the present invention and vehicle management process flow diagram.

Embodiment

See also shown in Figure 1, dispatching and monitoring special vehicles of magnetic suspension traflic of the present invention system: be made up of fixing dispatching and monitoring system of control center (being control center) and several vehicle dispatching surveillances that moves (being onboard system), it comprises despatchingwork station system 10, DifferentialGPS Positioning System 20, wireless digitaltransmission communication system 30 3 parts.Despatchingwork station system 10 is made up ofcentral workstation 11 that is arranged on control center and the vehicle-mounted workstation1 2 that is arranged on each onboard system; DifferentialGPS Positioning System 20 is made up of with the 2ndGPS access device 23 that is arranged on each onboard system aGPS access device 21 that is arranged on control center anddifferential reference station 22; Wireless digitaltransmission communication system 30 is made up ofwireless base station 31 that is arranged on control center and theradio reception device 32 that is arranged on each onboard system.

The dispatching and monitoring special vehicles of magnetic suspension traflic system is in the course of the work mainly in the face of two artificial roles---central operator and vehicle-mounted operator.The system call function for monitoring realizes incentral workstation 11 and each vehicle-mounted workstation1 2 respectively, and utilizes the man-machine interface in these two workstations to provide service to the operator, receives various command and external information simultaneously.The central operator is to system's input operation command information, and the dispatching and monitoring system shows this running state of the vehicle (position, direction, speed etc.) to central operator and each vehicle-mounted operator.

Control center except that aGPS access device 21 anddifferential reference station 22, the detailed composition in its central workstation1 1 andwireless base station 31 as shown in Figure 2:wireless base station 31 is made up of wireless base station device 311, isochronous controller 312, base station controller 313;Central workstation 11 is mainly by comprisingbusiness module 111 andcommunication module 112 two-part central application systems are formed.Wireless base station 31 anddifferential reference station 22 constitute fixed base stations 60 together, this fixed base stations 60 andcentral workstation 11, couple together by LAN (Local Area Network) 40 (as Ethernet), be connected with LAN (Local Area Network) 40 after wherein the wireless base station device 311 ofwireless base station 31, isochronous controller 312, base station controller 313 are connected in series successively;Differential reference station 22 directly is connected with LAN (Local Area Network) 40.

This wireless base station device 311 comprises wireless transmission and receiving equipment, be responsible for the transmission and the reception of wireless signal, after promptly receiving the data that isochronous controller 312 sends, by the Mobitex agreement signal is sent, send to isochronous controller 312 for the data message of the onboard system that receives.

This isochronous controller 312: adopt principal and subordinate's dual-CPU system, host CPU is responsible for receiving the upstream data of each onboard system, and sends to base station controller 313, sends the life pulse of isochronous controller 312 simultaneously by certain time interval to base station controller 313.Be responsible for receiving the data of base station controller 313 from CPU, and according to synchronizing pulse rule take place and produce synchronizing pulse, the packing data of synchrodata and base station controller 313 is sent on the onboard system of each special vehicle by wireless base station device 311.

This base station controller 313: adopt embedded OS, handle the data of multiport in real time, realize the conversion of data type, its concrete function is as follows:

1) with the business datum of thecentral workstation 11 received and the GPS differential data packing ofdifferential reference station 22, sends to isochronous controller 312;

2) receive the data of isochronous controller 312, and convert the data layout of TCP/IP to, by sending tocentral workstation 11 with LAN (Local Area Network) 40;

3) regularly send the life pulse tocentral workstation 11.

This GPS differential reference station 22: adopt embedded OS, the high accurate GPS differential data is provided.Concrete function is as follows:

1) differential data of reception byte stream, the base station controller 313 of appointment is mail to according to the IP address of configuration in the packing back;

2) check whether operate as normal of differential reference station self, regularly thecommunication module 112 tocentral workstation 11 sends life pulse reporting state informations.

The detailed composition of each onboard system is as shown in Figure 3: comprise vehicle-mounted workstation1 2, the 2ndGPS access device 23,radio reception device 32, and be provided with MCUisochronous controller 51; Vehicle-mounted workstation1 2 is divided into communication module 112 ' and business module 111 ' two parts.Wherein MCU (Microprocess Control Unit)isochronous controller 51 and the 2ndGPS access device 23,radio reception device 32 constituteVehicle Controller 50 again.

Please refer to Fig. 4, and index map 2 and Fig. 3, dispatching and monitoring method of the present invention is as follows:

The GPS of control center differential device receives gps satellite signal as aGPS access device 21 anddifferential reference station 22, produces differential data, mails to base station controller 313.Base station controller 313 is received differential data, and whether inquiry has business datums such as vehicle management, scheduling, operation, security protection to arrive.If there is business datum to arrive, then be sent to isochronous controller 312 after the packing together, deliver to wireless base station device 311 by isochronous controller 312, with MOBITEX proprietary data communication standard, send by antenna for base station, realize wireless data sending.Theradio reception device 32 of all special vehicles is all received the data of control centerwireless base station 31 broadcasting, the time that MCUisochronous controller 51 data-drivens arrive produces synchronizing signal, each takes what he needs for the onboard system each several part to make these data, the 2ndGPS access device 23 is got the GPS initial alignment data of this differential data after the gps satellite signal of its reception produces correction, the GPS initial alignment data of this correction, be sent to communication module 112 ', communication module 112 ' is sent to business module 111 ', through business module 111 ' according to magnetic floating traffic track circuit information adopt certain location algorithm finish the elementary locator data of GPS on one dimension line track mileage conversion or the calculating of projection, thereby determine accurate position and the respective track beam number of this special vehicle in one dimension line track mileage coordinate system, pier stud numberings etc. are promptly used locator data.Here location algorithm can adopt methods such as various existing Orbit Matching, route/circuit recurrence, map match, coordinate system projection, data base querying.The application locator data that calculates is the various functions of whole special vehicle dispatching and monitoring system, as the important foundation data of vehicle management, operation monitoring, security protection, scheduling etc. with differentiate input.This uses locator data, offers vehicular applications system and MCU isochronous controller 51.MCUisochronous controller 51 is received after this application locator data and is packed together by onboard system business datum spontaneous or vehicle-mounted operator's input and mail to the wireless base station device 311 of control center by wireless data sending.After receiving, control center's wireless base station device 311 is sent to isochronous controller 312, isochronous controller 312 is sent to base station controller 313, base station controller 313 is sent tocommunication module 112, andcommunication module 112 is sent tobusiness module 111 again, has so just finished the transmission process of locator data.

Communication module 112 ' extracts each application module that business datums such as vehicle management, scheduling, operation, security protection are sent to business module 111 ' and carries out functions such as the management of this special vehicle, scheduling, operation, safety.

Because the total system more complicated, the each several part link is many, and the undesired total system that all might cause of any part can not run well, and therefore is necessary each link of system is monitored.The present invention adopts the method for the spontaneous life pulse of checking system equipment that each several part is implemented monitoring function.Particularly, to control center, implement monitoring function by communication module 112, method is: differential reference station 22 sends the status information of life pulses report oneself according to designated time intervals to communication module 112, and the abnormal state that can not receive the life pulse of differential reference station 22 or differential reference station 22 life pulses as continuous five cycles is system alarm then; Isochronous controller is simulated mobile unit 312 per half an hour and is sent out data and pass to communication module 112 through base station controller 313, when communication module 112 can not be received data in the cycle in appointment, then reports to the police.Onboard system to each special vehicle, play supervisory function bit by communication module 112 ' equally, method is: the 2nd GPS access device 23 and radio reception device 32 per second respectively respectively send a life pulse to communication module 112 ', when communication module 112 ' can not be received the life pulse, system alarm in the cycle in appointment; According to the state of agreement communication module 112 ' polling MCU isochronous controller 51, if do not answer or unusual, system alarm then.

With reference to Fig. 5, in the application system ofcentral workstation 11 and vehicle-mounted workstation1 2, there are central circuit/vehicle management, vehicle line/vehicle management module respectively, make central operation such as route locking order, brake hard in control center by the central operator and show and to realize all central vehicle circuit and vehicle management, information such as route information of on special vehicle, sending and brake hard according to central circuit that receives and vehicle management module, and vehicle-mounted operator's vehicle operating and demonstration, only realize vehicle line and vehicle management to self.In vehicle-mounted workstation, also there are Vehicle protector and rate curve monitoring module, in special vehicle operation and operation process, vehicle data messages such as the speed of this module moment monitoring vehicle, traffic direction, present position, border conditions such as locator data according to the internal system setting, whether distinguishing speed crosses the border, and sends brake command and carries out brake hard, realizes operation monitoring and security protection to special vehicle.On control center and onboard system, all be provided with protection alarming device.

In general, the location, management, traffic control, operation monitoring, dispatching and monitoring functions such as security protection can be loaded into by the form of computer application software in each application module that is arranged on central authorities and/or the vehicle-mounted workstation with its application, in the present invention, the collect initial position message of self-differential GPS positioning system of vehicle location application module, adopt certain location algorithm to realize the function of the accurate position calculation of vehicle on track circuit: the vehicle management application module can be realized the vehicle title, numbering, size, weight, job task, operating personnel, the function that vehicle attributes such as job behavior manage; The traffic control application module is realized the function of the task scheduling of special vehicle by vehicle login, personnel's configuration, task management, information record and operation control etc.; Controlled variable such as the vehicle location of operation monitoring application module by detecting in real time special vehicle, travelling speed, traffic direction realize the operation monitoring function of vehicle; The security protection application module then be according to the specific position that moves on the magnetic levitation track require, travelling speed restriction and with the requirements such as interlocking protection of magnetic-levitation train, realize the function of safety protection of special vehicle, comprise speed protection, route protection, Vehicle protector, record playback etc.

Those skilled in the art on system platform disclosed by the invention, composition that can the various application modules of flexible design, and then utilize the position application data to finish various dispatching and monitoring tasks.In general, central workstation application system and vehicle-mounted workstation application system are divided into professional and two parts of communication, and communication part realizes the central authorities/vehicle-mounted processing capacity of train-ground communication, and service part realizes the miscellaneous service correlation function of vehicle.Wherein service part is by forming according to various Demand Design corresponding functional modules, as workflow interface module, track management and locating module, database management module etc.

The wireless digital transmission communication system that native system adopts is based on the Mobitex technology, and the sub-district of its fixed base stations can covering radius be the scope of 20-30 kilometer according to the difference of conditions such as environment and base station transmitting power.Expand the coverage area and channel capacity can solve by the mode that increases the base station.

The positioning error of native system is less than 2.5 meters, therefore can implement accurate the tracking to the special vehicle that runs on the magnetic-levitation train track, and such position is suitable for the accurate induction of special vehicle and implements more accurately and dispatching and monitoring instruction flexibly.

Although the present invention is illustrated with reference to accompanying drawing and preferred implementation,, for a person skilled in the art, the present invention can have various changes and variation.This change, variation and equivalent are all in the scope that the application contains.

Claims (17)

1, a kind of dispatching and monitoring special vehicles of magnetic suspension traflic method, comprise differential GPS location and wireless transmission, it is characterized in that: by control center the gps satellite signal of being accepted is produced differential data together with packing by central operator's input or by the spontaneous business datum of central application module, transfer to each onboard system with wireless data sending; Each onboard system is in the GPS initial alignment data that produce on the basis of accepting gps satellite signal and this differential data after proofreading and correct, and finish this conversion or the projection of GPS initial alignment data on one dimension line track mileage with location algorithm, produce the application locator data of this special vehicle, use vehicle management, traffic control, the operation monitoring of business datum implementation of locator data, the business datum of receiving or vehicle-mounted operator input to this special vehicle and vehicle line, the dispatching and monitoring function of security protection by this vehicular applications system according to this; This application locator data is packed together with the business datum of vehicle-mounted operator input and is transferred to control center's application system by wireless data sending, carries out the dispatching and monitoring function of vehicle management to all vehicles and circuit, traffic control, operation monitoring, security protection.

2, dispatching and monitoring special vehicles of magnetic suspension traflic method according to claim 1 is characterized in that: what the data wireless transmission between control center and onboard system was used is Mobitex proprietary data communication standard.

3, dispatching and monitoring special vehicles of magnetic suspension traflic method according to claim 1 is characterized in that: received the life pulse of its GPS positioning equipment and radio transmission apparatus and judged that its state comes the implementation system monitoring by control center's application system.

4, dispatching and monitoring special vehicles of magnetic suspension traflic method according to claim 2 is characterized in that: received the life pulse of its GPS positioning equipment and radio transmission apparatus and judged that its state comes the implementation system monitoring by control center's application system.

5, according to claim 1,2,3 or 4 described dispatching and monitoring special vehicles of magnetic suspension traflic methods, it is characterized in that: receive the life pulse of its GPS positioning equipment and radio transmission apparatus by the vehicular applications system, and judge that its state comes the implementation system monitoring.

6, a kind of dispatching and monitoring special vehicles of magnetic suspension traflic system that uses aforesaid right requirement 1 to any one dispatching and monitoring method of claim 5, form by control center and onboard system, it is characterized in that: this dispatching and monitoring system is divided into and utilizes the initial alignment data to realize special vehicle is realized vehicle location, vehicle management, traffic control, operation monitoring, the despatching work station system (10) of the dispatching and monitoring function of security protection, adopt the wireless digital transmission communication system (30) of MOBITEX proprietary data communication standard, finishing collection of special vehicle positional information and correction provides Differential GPS Positioning System (20) three parts of initial alignment data; This despatching work station system (10) forms by being arranged on the central workstation (11) that comprises central application module and display device in the control center and being arranged on the vehicle-mounted workstation (12) that comprises vehicular applications module and display device in the onboard system; This Differential GPS Positioning System (20) is made up of a differential reference station that is arranged on control center (22) and a GPS access device (21) and the 2nd GPS access device (23) that is arranged in the onboard system; This wireless digital transmission communication system (30) is made up of the wireless base station that is arranged on control center (31) and the radio reception device (32) that is arranged on the onboard system.

7, dispatching and monitoring according to claim 6 system, it is characterized in that: central application module and vehicular applications module include business module (111,111 ') and communication module (112,112 ') two parts.

8, a kind ofly use aforesaid right requirement 1 to each the dispatching and monitoring system of control center of dispatching and monitoring method of claim 5, it is characterized in that: this system is by the vehicle location of the application locator data that receives to all special vehicles, vehicle management, traffic control, operation monitoring, security protection realizes that the dispatching and monitoring function comprises the central workstation (11) of central application module and display device, receive gps satellite signal and produce the differential reference station (22) that differential data has a GPS access device (21), adopt MOBITEX proprietary data communication standard to send or receive differential data, use locator data, business datum comprises isochronous controller (312), wireless base station (31) three parts of base station controller (313) and wireless base station device (311) are formed.

9, according to claim 6 or 8 described dispatching and monitoring systems, it is characterized in that: fixed base stations (60) is formed in differential reference station (22) and wireless base station (31), and this fixed base stations (60) is connected with central workstation (11) by LAN (Local Area Network) (40).

10, dispatching and monitoring according to claim 9 system is characterized in that: wireless base station device (311) is connected with LAN (Local Area Network) (40) with base station controller (313) by isochronous controller (312) successively; Differential reference station (22) directly is connected with LAN (Local Area Network) (40).

11, dispatching and monitoring according to claim 8 system, it is characterized in that: this isochronous controller (312) is principal and subordinate's dual-cpu structure, host CPU receives the upstream data of onboard system and sends to base station controller (313) by wireless base station device (311), the data that receive base station controller (313) from CPU send to wireless base station device (311) with synchrodata, and this isochronous controller (312) regularly sends the life pulse to base station controller (313).

12, according to claim 10 or 11 described dispatching and monitoring systems, it is characterized in that: base station controller (313) is an embedded OS, and it regularly sends the life pulse to central workstation (11).

13, dispatching and monitoring according to claim 8 system, it is characterized in that: central application module comprises business module (111) and communication module (112), wherein communication module (112) regularly receives the life pulse of differential reference station (22) and base station controller (313), carries out the system monitoring that discriminant alarm is finished control center.

14, a kind of vehicle dispatching surveillance of using aforesaid right requirement 1 to each dispatching and monitoring method of claim 5, it is characterized in that: include and adopt MOBITEX proprietary data communication standard to receive or send differential data, use the radio reception device (32) of locator data and miscellaneous service data, this differential data is proofreaied and correct the 2nd GPS access device (23) into the initial alignment data, and these initial alignment data are converted to one dimension line track mileage coordinate system use locator data this special vehicle is carried out vehicle management, vehicle location, operation monitoring, the vehicle-mounted workstation that comprises vehicular applications module and display device (102) three parts of security protection dispatching and monitoring function.

15, according to claim 6 or 14 described dispatching and monitoring systems, it is characterized in that: be provided with the MCU isochronous controller (51) that joins with the 2nd GPS access device (23), radio reception device (32), this MCU synchro control system device (51) is formed the Vehicle Controller (50) of finishing vehicle-mounted workstation (12) and external data communication with the 2nd GPS access device (23), radio reception device (32).

16, dispatching and monitoring according to claim 14 system, it is characterized in that: this vehicular applications module includes the communication module (112 ') that the life pulse judgement system state that regularly sends by the 2nd GPS access device (23) that receives, radio reception device (32) carries out system monitoring, and this communication module (112 ') also regularly sends interrogating signal to MCU isochronous controller (51).

17, according to claim 6,8 or 14 described dispatching and monitoring systems, it is characterized in that: this central workstation (11) and vehicle-mounted workstation (12) are provided with vehicle location application module, vehicle management application module, traffic control application module, operation monitoring utilization module and security protection application module.

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