CN105632201A - Visual intelligent control device and method based on bus rapid transit priority request - Google Patents
Visual intelligent control device and method based on bus rapid transit priority request Download PDFInfo
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- CN105632201A CN105632201A CN201610151834.1A CN201610151834A CN105632201A CN 105632201 A CN105632201 A CN 105632201A CN 201610151834 A CN201610151834 A CN 201610151834A CN 105632201 A CN105632201 A CN 105632201A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
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Abstract
The invention provides a visual intelligent control device based on a bus rapid transit priority request. The visual intelligent control device comprises a vehicle-mounted terminal device and a roadside auxiliary device. The vehicle-mounted terminal device comprises a vehicle-mounted terminal CPU, a GPS module, an RFID directional card reader, a ZigBee wireless communication slave module and an LCD display screen. The roadside auxiliary device comprises bus priority vehicle identification region entry point RFID tags and exit point RFID tags, which are arranged on roadside lamp poles, and a ZigBee wireless communication route module arranged on a roadside electronic police monitoring pole. The invention also provides a control method of the visual intelligent control device based on the bus rapid transit priority request. The visual intelligent control device and method have higher cost performance, and can overcome the defects of signal lamp state visual inspection by a bus driver, comprehensive wiring and problems in a current bus priority control strategy; construction is simple, and cost is low; influence of external change is small; and BRT bus rapid transit signal priority control can be realized effectively.
Description
Technical field
The present invention relates to road traffic signal control techniques field, specifically a kind of visual intelligent control device based on bus rapid transit priority claim and method.
Background technology
Current China major part one line, tier 2 cities has disposed the preferential system of bus rapid transit all, although spatially distributing bus special lane at road, but the intelligent management measures such as public transport priority signal control are embedded in Traffic Signals in Urban Roads system proportion is not as good as 40%, and the BRT information of vehicles of detection is reached traffic signaling equipment by special cable or optical cable by the directed card reader of base station formula RFID of the controlling of bus priority strategy adopted mainly crossing, then this teleseme proper extension BRT route green light time or the shortening red light time, the parking realizing reducing BRT vehicle is incured loss through delay.
The deficiency of above-mentioned control strategy, one is that comprehensive wiring difficulty is big, can not make full use of existing electronic police or bayonet socket civil engineering facility, and is easily constructed by road reformation and destroy, and causes the wasting of resources; Two is the BRT vehicle being loaded with electronic tag, signal lamp state can only be estimated with Bus driver, during going out walking in the night, BRT Bus driver is when distance about 100 meters of stop line, just can distinguish countdown signal lamp state, hastily make and travel adjustment, BRT vehicle stall may be caused like this or cause crossing crossing because preparing deficiency.
At present, along with development and the common people of intelligent transportation are more and more higher to the demand of controlling of bus priority, current controlling of bus priority weak point is further obvious, and the preferential system of this kind of bus rapid transit has bigger room for improvement.
Summary of the invention
It is an object of the invention to provide a kind of visual intelligent control device based on bus rapid transit priority claim and method, utilize Radio Transmission Technology to realize controlling of bus priority.
The technical scheme of the present invention is:
A kind of visual intelligent control device based on bus rapid transit priority claim, comprise vehicle-mounted terminating unit and side, road utility appliance, described vehicle-mounted terminating unit comprises vehicle-mounted terminal CPU, GPS module, the directed card reader of RFID, ZigBee cableless communication are from machine module and LCD display screen, side, described road utility appliance comprises public traffic in priority vehicle identification area entry point-like electron label, public traffic in priority vehicle identification regional export point-like electron label and ZigBee cableless communication route module, described public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label are arranged on the lamp stand of side, road, on the electronic police monitoring bar of described ZigBee cableless communication route module installation in side, road,
The output terminal of described GPS module is connected with the input terminus of vehicle-mounted terminal CPU, the input terminus of the directed card reader of described RFID is connected with the output terminal of public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label, described RFID is directed, and the output terminal of card reader is connected with the input terminus of vehicle-mounted terminal CPU, the input terminus of described LCD display screen is connected with the output terminal of vehicle-mounted terminal CPU, described vehicle-mounted terminal CPU is connected from machine module interactive mode with ZigBee cableless communication, described ZigBee cableless communication are connected with the ZigBee cableless communication host module interactive mode being bundled in traffic signaling equipment from machine module by ZigBee cableless communication route module, described ZigBee cableless communication host module is connected with traffic signaling equipment CPU interactive mode.
The described visual intelligent control device based on bus rapid transit priority claim, described vehicle-mounted terminating unit also comprises DC24V power supply and DC/DC Power convert and voltage stabilizing circuit, and described DC24V power supply is vehicle-mounted terminal CPU by DC/DC Power convert with voltage stabilizing circuit, the directed card reader of GPS module, RFID, ZigBee cableless communication are from machine module and LCD display screen offer working power.
The described visual intelligent control device based on bus rapid transit priority claim, described public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label are active active electronic label, built-in high-energy lithium polymkeric substance minicell.
The described visual intelligent control device based on bus rapid transit priority claim, described ZigBee cableless communication route module provides working power by AC220V power supply, and described ZigBee cableless communication host module provides working power by traffic signaling equipment CPU.
The described visual intelligent control device based on bus rapid transit priority claim, the wireless operating frequency of the directed card reader of described RFID, public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label is 2.4GHz��2.48GHz; Described ZigBee cableless communication are 2.38GHz��2.5GHz from the wireless operating frequency of machine module, ZigBee cableless communication route module and ZigBee cableless communication host module.
The described visual intelligent control device based on bus rapid transit priority claim, described vehicle-mounted terminal CPU adopts STM32F407VGT6 chip.
The described visual intelligent control device based on bus rapid transit priority claim, described DC/DC Power convert and voltage stabilizing circuit adopt XL4016 chip.
The control method of described a kind of visual intelligent control device based on bus rapid transit priority claim, comprises the following steps:
(1) when BRT vehicle sails public traffic in priority vehicle identification region into, the directed card reader of RFID captures No. ID, the label that public traffic in priority vehicle identification area entry point-like electron label sends, and it can be used as this car to enter the wireless aware information in public traffic in priority vehicle identification region, it is sent to vehicle-mounted terminal CPU and resolves;
(2) after vehicle-mounted terminal CPU completes parsing, the public traffic in priority power request information that the upstream or downstream direction obtained by No. ID, this car and GPS module is formed jointly, is sent to the ZigBee cableless communication route module closing on crossing by ZigBee cableless communication from machine module;
(3) public traffic in priority is weighed the ZigBee cableless communication host module that request information is forwarded to the traffic signaling equipment with this crossing and binds by ZigBee cableless communication route module, and ZigBee cableless communication host module is resent to traffic signaling equipment CPU process;
(4) traffic signaling equipment CPU is according to the traffic administration situation at the current crossing obtained from each peripheral hardware interface, configure suitable public traffic in priority timing strategy, generate the new traffic lights countdown time, and the new traffic lights countdown time information generated is sent to ZigBee cableless communication route module by ZigBee cableless communication host module;
(5) new traffic lights countdown time information is forwarded to ZigBee cableless communication from machine module by ZigBee cableless communication route module, and ZigBee cableless communication are resent to vehicle-mounted terminal CPU from machine module and resolve;
(6) after vehicle-mounted terminal CPU completes to resolve, then it is sent to LCD display screen and shows in the way of picture and text;
(7) when BRT vehicle sails out of public traffic in priority vehicle identification region, the directed card reader of RFID captures No. ID, the label that public traffic in priority vehicle identification regional export point-like electron label sends, and it can be used as this car to leave the wireless aware information in public traffic in priority vehicle identification region, it is sent to vehicle-mounted terminal CPU and resolves;
(8) after vehicle-mounted terminal CPU completes parsing, sending public traffic in priority power request end information from machine module, ZigBee cableless communication route module and ZigBee cableless communication host module to traffic signaling equipment CPU by ZigBee cableless communication successively, traffic signaling equipment CPU controls traffic lights and recovers normal operating condition.
The useful effect of the present invention is:
As shown from the above technical solution, the present invention has higher cost performance, Bus driver range estimation signal lamp state can be overcome, the shortcoming of comprehensive wiring and current controlling of bus priority strategy, increase the directed card reader of RFID and read public traffic in priority vehicle identification area entry point, exit point electronic labeling information, send public traffic in priority power request information, the function receiving public traffic in priority power mandate information and shown by LCD display screen, and public traffic in priority vehicle identification area entry point, exit point electronic tag can be arranged on the lamp stand of roadside, ZigBee cableless communication route module can be arranged on the electronic police monitoring bar of roadside, construction is simple, cost is low, little by extraneous variable effect, can effectively realize the control of BRT bus rapid transit signal priority.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, a kind of visual intelligent control device based on bus rapid transit priority claim, comprises vehicle-mounted terminating unit 1 and side, road utility appliance 2. Vehicle-mounted terminating unit 1 comprises vehicle-mounted terminal CPU11, GPS module 12, RFID directed card reader 13, ZigBee cableless communication from machine module 14, LCD display screen 15, DC24V power supply 16 and DC/DC Power convert and voltage stabilizing circuit 17. Side, road utility appliance 2 comprises public traffic in priority vehicle identification area entry point-like electron label 21, public traffic in priority vehicle identification regional export point-like electron label 22, ZigBee cableless communication route module 23 and AC220V power supply 24. Public traffic in priority vehicle identification area entry point-like electron label 21 and public traffic in priority vehicle identification regional export point-like electron label 22 are arranged on the lamp stand of side, road, and ZigBee cableless communication route module 23 is arranged on the electronic police monitoring bar of side, road.
The output terminal of GPS module 12 is connected with the input terminus of vehicle-mounted terminal CPU11; The input terminus of the directed card reader 13 of RFID is connected with the output terminal of public traffic in priority vehicle identification area entry point-like electron label 21 and public traffic in priority vehicle identification regional export point-like electron label 22, and RFID is directed, and the output terminal of card reader 13 is connected with the input terminus of vehicle-mounted terminal CPU11; The input terminus of LCD display screen 15 is connected with the output terminal of vehicle-mounted terminal CPU11; Vehicle-mounted terminal CPU11 is connected from machine module 14 interactive mode with ZigBee cableless communication, ZigBee cableless communication are connected with ZigBee cableless communication host module 31 interactive mode being bundled in traffic signaling equipment 3 from machine module 14 by ZigBee cableless communication route module 23, and ZigBee cableless communication host module 31 is connected with traffic signaling equipment CPU32 interactive mode. DC24V power supply 16 by DC/DC Power convert and voltage stabilizing circuit 17 be vehicle-mounted terminal CPU11, the directed card reader 13 of GPS module 12, RFID, ZigBee cableless communication provide working power from machine module 14 and LCD display screen 15. Public traffic in priority vehicle identification area entry point-like electron label 21 and public traffic in priority vehicle identification regional export point-like electron label 22 are active active electronic label, built-in high-energy lithium polymkeric substance minicell. ZigBee cableless communication route module 23 provides working power by AC220V power supply. ZigBee cableless communication host module 31 provides working power by traffic signaling equipment CPU32.
The principle of work of the present invention:
When BRT vehicle sails public traffic in priority vehicle identification region into, the directed card reader 13 of RFID captures No. ID, the label that the public traffic in priority vehicle identification area entry point-like electron label 21 installed side, road sends every 400ms by the wireless receiving antenna of flat board, as the wireless aware information that BRT vehicle should obtain, then it is sent to vehicle-mounted terminal CPU11; After vehicle-mounted terminal CPU11 completes parsing, the public traffic in priority power request information that the upstream or downstream direction obtained by No. ID, this car and GPS module 12 is formed jointly, by ZigBee cableless communication from the 5dBi radio frequency antenna machine module 14, Wireless transceiver is to the ZigBee cableless communication route module 23 closing on crossing; ZigBee cableless communication route module 23 is the wireless ZigBee cableless communication host module 31 being forwarded to the traffic signaling equipment 3 with this crossing and binding again; The information received is sent to traffic signaling equipment CPU32 process by ZigBee cableless communication host module 31.
Traffic signaling equipment CPU32 is according to the traffic administration situation at the current crossing obtained from each peripheral hardware interface, configure suitable public traffic in priority timing strategy, generate the new traffic lights countdown time, and the new traffic lights countdown time generated is sent to ZigBee cableless communication host module 31; Information is sent to ZigBee cableless communication route module 23 by 5dBi radio frequency antenna by ZigBee cableless communication host module 31; ZigBee cableless communication route module 23 is wireless again is forwarded to ZigBee cableless communication from machine module 14; ZigBee cableless communication are resent to vehicle-mounted terminal CPU11 from machine module 14; After vehicle-mounted terminal CPU11 resolves, then it is sent to LCD display screen 15 and shows in the way of picture and text. So far, BRT vehicle drivers gets public traffic in priority power mandate information, adjusts vehicle running state with this, and makes BRT vehicle preferentially smoothly by crossing, or can reduce the waiting time of stopping.
When BRT vehicle leaves public traffic in priority vehicle identification region, the directed card reader 13 of RFID captures No. ID, the label that public traffic in priority vehicle identification regional export point-like electron label 22 sends, as the wireless aware information that BRT vehicle should obtain, then it is sent to vehicle-mounted terminal CPU11; After vehicle-mounted terminal CPU11 completes parsing, sending public traffic in priority power request end information by ZigBee cableless communication from machine module 14, ZigBee cableless communication route module 23 and ZigBee cableless communication host module 31 to traffic signaling equipment CPU32, traffic signaling equipment CPU32 controls traffic lights and recovers normal operating condition.
Vehicle-mounted terminal 1 is the core control unit of whole device, and vehicle-mounted terminal CPU11 selects the STM32F407VGT6 that ST Microelectronics produces, and STM32F407VGT6 is the embedded processing device based on ARMCortex-M4 kernel of 32 low-power consumption. this treater carries four USART serial ports and two UART serial ports, it is possible to carry out data interaction with multiple peripheral hardware simultaneously. wherein, USART2 and RFID is directed, and card reader 13 carries out data interaction, and the wireless operating frequency of the directed card reader 13 of RFID is 2.4GHz��2.48GHz, it may also be useful to plate aerial, has good freedom from jamming. USART3 and ZigBee cableless communication carry out data interaction from machine module 14, ZigBee cableless communication are 2.38GHz��2.5GHz from the wireless operating frequency of machine module 14, not only there are 16 passages of ZigBee wireless standard, also there are 9 extended frequency bands, can effectively avoid Wi-Fi, the on-air radio signal disturbing of other 2.4GHz such as bluetooth, it sends power is 22dbm, receiving sensitivity reaches-106dbm, wireless line-of-sight transmission distance can reach 2.5 kms (using 5dBi omnidirectional antenna), data space transfer rate can reach 3Kbps��1Mbps, without hindrance net postpones, adopt the balanced principle of time and space weights, route time is short, communication robust is reliable. USART6 and LCD display screen 15 is connected, and LCD display screen 15 adopts 16 very color 480*272 resolving power, and display brightness reaches 400cd/m2, displaying contents can be seen clearly under fluorescent lamp, finally complete public traffic in priority power request picture and text showing with this.
The USART6 of vehicle-mounted terminal CPU11 is connected on 3,4 pins of LCD display screen 15 interface J5 by RS232 electrical level transferring chip; With reason, the USART2 port of vehicle-mounted terminal CPU11 is connected to by RS232 electrical level transferring chip on 5,6 pins of the J4 of directed card reader 13 interface of RFID. DC24V power supply 16 provides stable DC12V working power by DC/DC Power convert and voltage stabilizing circuit 17 to the directed card reader 13 of RFID, LCD display screen 15.
ZigBee cableless communication become hardware watchdog circuit from the periphery circuit design of machine module 14, adopt CAT823 chip, help ZigBee cableless communication to power on reliable operation from machine module 14.
DC/DC Power convert and voltage stabilizing circuit 17 adopt the XL4016 that Shanghai Xin Long semiconductor company produces. This chip has outstanding line regulation and load regulation, supports to adjust arbitrarily between constrained input dropout voltage scope 1.25V��36V, the hardware circuits such as the integrated input overvoltage protection of chip internal, overcurrent protection, overheat protector, short circuit protection. Input rated voltage is vehicle-mounted DC24V, and circuit can adapt to input voltage fluctuation 15V��40V range, by being sampled by the output voltage sampling circuit being made up of R1 and R2, adjusts the voltage stabilizing that output voltage is DC12V all the time and exports.
The present invention is Micro Energy Lose electronic unit at the active active electronic label that road sidepiece is affixed one's name to, built-in high-energy lithium polymkeric substance minicell, under standard environment, electronic tag non-stop run can be ensured 3��5 years, roadside lamp stand can be utilized to carry out Fast Installation, only need to change battery, without the need to comprehensive wiring, installing without the need to considering different on-the-spot environment, thus construction is simple, cost is low, even if running into road local flow improvement, also influential system does not normally use. In addition, transfer adopts ZigBee cableless communication technology, only need to monitor bar and AC220V power supply by electronic police, ZigBee communication module just can be installed and bar-shaped antenna uses as router, setting up ZigBee cableless communication host module that a traffic signaling equipment carries and the ZigBee cableless communication that the vehicle-mounted terminal of BRT vehicle is carried carry out the air communication link of wireless data bidirectional transmit-receive from machine module, every transfer is by physical environment.
The vehicle-mounted terminal of the present invention, adopt the directed card reader of RFID, the electronic labeling information being easy to read road sidepiece administration comes for BRT vehicle location, and adopt ripe ZigBee wireless communication data transmit and receive bidirectional technique, use 2.38GHz��2.5GHz operating frequency, and there are 25 passages, the upper Wi-Fi of society can be evaded physically, the less radio-frequency interference such as bluetooth, data transmit-receive is accurate, make vehicle-mounted terminal can either send this car public traffic in priority power request information, the public traffic in priority power mandate information that traffic signaling equipment is beamed back can be received again, and the traffic lights countdown time can be shown by LCD display screen, the traffic lights present situation of several hundred meters of long way mouths in front is carefully observed without the need to BRT vehicle drivers naked eyes, it is convenient to user and adjusts calmly driving states.
The above enforcement mode is only the preferred embodiment of the present invention be described; not the scope of the present invention is limited; under the prerequisite not departing from inventive design spirit; the various distortion that the technical scheme of the present invention is made by those of ordinary skill in the art and improvement, in the protection domain that the claim book that all should fall into the present invention is determined.
Claims (8)
1. the visual intelligent control device based on bus rapid transit priority claim, it is characterized in that: comprise vehicle-mounted terminating unit and side, road utility appliance, described vehicle-mounted terminating unit comprises vehicle-mounted terminal CPU, GPS module, the directed card reader of RFID, ZigBee cableless communication are from machine module and LCD display screen, side, described road utility appliance comprises public traffic in priority vehicle identification area entry point-like electron label, public traffic in priority vehicle identification regional export point-like electron label and ZigBee cableless communication route module, described public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label are arranged on the lamp stand of side, road, on the electronic police monitoring bar of described ZigBee cableless communication route module installation in side, road,
The output terminal of described GPS module is connected with the input terminus of vehicle-mounted terminal CPU, the input terminus of the directed card reader of described RFID is connected with the output terminal of public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label, described RFID is directed, and the output terminal of card reader is connected with the input terminus of vehicle-mounted terminal CPU, the input terminus of described LCD display screen is connected with the output terminal of vehicle-mounted terminal CPU, described vehicle-mounted terminal CPU is connected from machine module interactive mode with ZigBee cableless communication, described ZigBee cableless communication are connected with the ZigBee cableless communication host module interactive mode being bundled in traffic signaling equipment from machine module by ZigBee cableless communication route module, described ZigBee cableless communication host module is connected with traffic signaling equipment CPU interactive mode.
2. the visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterized in that: described vehicle-mounted terminating unit also comprises DC24V power supply and DC/DC Power convert and voltage stabilizing circuit, described DC24V power supply is vehicle-mounted terminal CPU by DC/DC Power convert with voltage stabilizing circuit, the directed card reader of GPS module, RFID, ZigBee cableless communication are from machine module and LCD display screen offer working power.
3. the visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterized in that: described public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label are active active electronic label, built-in high-energy lithium polymkeric substance minicell.
4. the visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterized in that: described ZigBee cableless communication route module provides working power by AC220V power supply, described ZigBee cableless communication host module provides working power by traffic signaling equipment CPU.
5. the visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterised in that: the wireless operating frequency of the directed card reader of described RFID, public traffic in priority vehicle identification area entry point-like electron label and public traffic in priority vehicle identification regional export point-like electron label is 2.4GHz��2.48GHz; Described ZigBee cableless communication are 2.38GHz��2.5GHz from the wireless operating frequency of machine module, ZigBee cableless communication route module and ZigBee cableless communication host module.
6. the visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterised in that: described vehicle-mounted terminal CPU adopts STM32F407VGT6 chip.
7. the visual intelligent control device based on bus rapid transit priority claim according to claim 2, it is characterised in that: described DC/DC Power convert and voltage stabilizing circuit adopt XL4016 chip.
8. the control method of a kind of visual intelligent control device based on bus rapid transit priority claim according to claim 1, it is characterised in that, comprise the following steps:
(1) when BRT vehicle sails public traffic in priority vehicle identification region into, the directed card reader of RFID captures No. ID, the label that public traffic in priority vehicle identification area entry point-like electron label sends, and it can be used as this car to enter the wireless aware information in public traffic in priority vehicle identification region, it is sent to vehicle-mounted terminal CPU and resolves;
(2) after vehicle-mounted terminal CPU completes parsing, the public traffic in priority power request information that the upstream or downstream direction obtained by No. ID, this car and GPS module is formed jointly, is sent to the ZigBee cableless communication route module closing on crossing by ZigBee cableless communication from machine module;
(3) public traffic in priority is weighed the ZigBee cableless communication host module that request information is forwarded to the traffic signaling equipment with this crossing and binds by ZigBee cableless communication route module, and ZigBee cableless communication host module is resent to traffic signaling equipment CPU process;
(4) traffic signaling equipment CPU is according to the traffic administration situation at the current crossing obtained from each peripheral hardware interface, configure suitable public traffic in priority timing strategy, generate the new traffic lights countdown time, and the new traffic lights countdown time information generated is sent to ZigBee cableless communication route module by ZigBee cableless communication host module;
(5) new traffic lights countdown time information is forwarded to ZigBee cableless communication from machine module by ZigBee cableless communication route module, and ZigBee cableless communication are resent to vehicle-mounted terminal CPU from machine module and resolve;
(6) after vehicle-mounted terminal CPU completes to resolve, then it is sent to LCD display screen and shows in the way of picture and text;
(7) when BRT vehicle sails out of public traffic in priority vehicle identification region, the directed card reader of RFID captures No. ID, the label that public traffic in priority vehicle identification regional export point-like electron label sends, and it can be used as this car to leave the wireless aware information in public traffic in priority vehicle identification region, it is sent to vehicle-mounted terminal CPU and resolves;
(8) after vehicle-mounted terminal CPU completes parsing, sending public traffic in priority power request end information from machine module, ZigBee cableless communication route module and ZigBee cableless communication host module to traffic signaling equipment CPU by ZigBee cableless communication successively, traffic signaling equipment CPU controls traffic lights and recovers normal operating condition.
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