CN103116927A - Method for controlling vehicles to enter and exit - Google Patents
Method for controlling vehicles to enter and exit Download PDFInfo
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- CN103116927A CN103116927A CN2013100510160A CN201310051016A CN103116927A CN 103116927 A CN103116927 A CN 103116927A CN 2013100510160 A CN2013100510160 A CN 2013100510160A CN 201310051016 A CN201310051016 A CN 201310051016A CN 103116927 A CN103116927 A CN 103116927A
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Abstract
The invention relates to a method for controlling vehicles to enter and exit, and the method belongs to the technical field of computer management. The method is implemented by a control system consisting of an acquisition controller, a working condition recording instrument and a main control computer. The method comprises the following steps that: the working condition recording instrument acquires sensing signals of an external sensor according to preset time intervals and updates working condition records; the acquisition controller receives information of an induction coil and then transmits a broadcast signal; the working condition recording instrument receives the broadcast signal and then transmits data information; the acquisition controller receives information of vehicle identities and working condition data and transmits the information to the main control computer through a network; the main control computer judges the transmitted data information, extracts a vehicle dispatching command and historic maintenance information, makes comprehensive judgment to form a command indicating whether a vehicle is allowed to exit, and transmits the command to the acquisition controller; and the acquisition controller lifts a lifting rod according to the command so as to let the vehicle out or transmits a restriction attention signal. Consequently, according to the technical conditions, dispatching commands and maintenance information of the vehicles obtained through monitoring, the vehicles can be prevented from privately exiting without dispatching, the illegal vehicle is prevented from going out, and the driving security is ensured.
Description
Technical field
The present invention relates to a kind of vehicle management system, especially a kind of vehicles while passing field control method belongs to the computer management technology field.
Background technology
For a long time, the room entry/exit management of the parking lot of collective unit (as the equipment field of fire brigade, the fleet of company) vehicle (equipment) mainly contains dual mode: the one, and hand inspection, the registration of opening the door by hand; The 2nd, to each vehicle unified payment rfid card, the RFID recognizing apparatus is installed in the gateway, parking lot, whether whether vehicle (equipment) carries out the identification of its identity automatically when going out admission, sent decision to be let pass according to vehicle (equipment), and vehicle (equipment) goes out the information of admission and can automatically register.But the management of the parking lot of existing collective unit only relates to the control of discrepancy, namely only whether monitoring has normally sent license, and registration discrepancy field information, and the violation discrepancy situation that does not relate to affiliated unit's vehicle (equipment) is registered and the work information collection, the judgement of basic enterprising driving (equipment) technology status that more can't gather at work information, the supervision of maintenance repairing make the automobile storage of sending in potential safety hazard.
retrieval is found, application number is the vehicle go-through monitoring system that 200710039625.9 Chinese invention patent discloses a kind of automatic control technology field, comprises end adapter before CCD camera, radio-frequency card, plug-in reader, image, the webserver, Industrial Ethernet, terminal control driver, terminal electric transmission, terminal speech player, the CCD camera monitors car, the image that gathers is inputed to end adapter before image, the image identification system of being transferred in the webserver by Industrial Ethernet after image decoding and analog to digital conversion is judged vehicle target, start digital recording, start simultaneously plug-in reader and carry out identification to information of vehicles according to vehicle-mounted radio-frequency card, in case judge be monitored vehicle allow into/when going out, system's terminal control driver that steering order delivers to assigned address that will open the door is opened door to drive the terminal electric transmission, otherwise will be to the terminal speech player transmission of digital voice signal of assigned address, carry information warning to reach the full-automatic of vehicles while passing to other terminal organ of this address simultaneously, safety, effectively management.
In addition, application number is that 200910052262.1 Chinese invention patent discloses a kind of vehicles while passing automated management system, comprise that one is arranged on vehicle module, the management system on associated vehicle, described management system comprises an information identification module, an intelligence control system, described vehicle module is a controlled infrared signal transmitter module, and the infrared signal transmitter module is provided with the control button of controlling the infrared signal emission; The information identification module is one supporting with described infrared signal transmitter module, receives the signal receiving device of described infrared signal; Described signal receiving device connects described intelligence control system.
Although above-mentioned prior art has been made useful improvement to the management in vehicles while passing parking lot, all fail to take into account the monitoring of vehicle (equipment) operating mode, maintenance.
Summary of the invention
The object of the invention is to: for above-mentioned the deficiencies in the prior art part, propose a kind ofly can obtain technology state of vehicle, emm message, and the vehicles while passing field control method of monitoring accordingly, thereby guarantee traffic safety.
in order to achieve the above object, vehicles while passing field control method of the present invention is being positioned at the parking lot acquisition controller, be arranged on working state recording instrument on vehicle and store car operating mode and safeguard in the control system that the main control computer of (comprising M R) judgment rule consists of, the output terminal that the intelligent main control chip induced signal input end of described acquisition controller and control output end connect respectively the parking lot inductive coil and controlled end and the alarming device of lifting lever, and its wireless communication port connects wireless transceiver circuit respectively and connects main control computer by network with the network service port, the central processing element of described working state recording instrument has the data-interface that connects extraneous sensor and the communication port that is connected with wireless transceiver device, described intelligent main control chip is realized vehicles while passing control as follows by the wireless transceiver device communication connection of wireless transceiver circuit and working state recording instrument:
The first step, working state recording instrument be the transducing signal of the extraneous sensor of interval collection on schedule, upgrades the work information record;
Second step, acquisition controller send broadcast singal by wireless transceiver circuit to wireless transceiver device after receiving the vehicles while passing field information of inductive coil transmission;
The 3rd step, receive the broadcast singal of acquisition controller wait the working state recording instrument that passes in and out a vehicle after, send the data message that comprises testing vehicle register, operating mode by predetermined wireless communication protocol by wireless transceiver device;
The 4th step, acquisition controller receives testing vehicle register, floor data information by wireless transceiver circuit, and by Internet Transmission to main control computer;
Testing vehicle register, floor data information that the 5th step, main control computer come according to pre-defined rule judgement transmission, and extract this vehicle sending, maintenance information (whether by sending approval information and historical emm message thereof) from database, the formation instruction of whether letting pass after comprehensive judgement, and send to acquisition controller by network;
The 6th step, acquisition controller are controlled according to the instruction of main control computer and are opened lifting lever to the vehicle clearance or send the restricted driving alarm signal; (comprise according to vehicle maintenance repair schedule prompting maintenance next time and repairing).
Like this, technology state of vehicle, the emm message that can obtain according to monitoring are prevented without sending and are examined vehicle and employ, and avoid not conforming to the rule vehicle driving, thereby guarantee traffic safety.
When fleet goes on a journey, the doorway, parking lot is contiguous goes out more than one of admission vehicle, acquisition controller will face the radio communication with a plurality of working state recording instrument, in order to solve the communication contention aware problem of one-to-many, the present invention further improves, and described acquisition controller adopts and the channel (adopting two different frequency range channels to carry out respectively receiving and dispatching accordingly communicating by letter) that receives from working state recording instrument different frequency range during to working state recording instrument transmitted signal; Carry out as follows radio communication between described acquisition controller and each working state recording instrument:
Step 1, acquisition controller receive after the vehicles while passing field information of inductive coil transmission with predetermined natural number n(n greater than 2, are preferably 11-19) broadcast to as the minislot parameter that the first poll response time is divided into n interval and have the different working state recording instrument of respectively waiting to pass in and out a vehicle of numbering; Therefore can not produce communication contention aware because broadcast transmission is separated with receive channel this moment;
Step 2, the working state recording instrument of respectively waiting to pass in and out a vehicle ask mould to obtain remainder with self numbering with minislot parameter, send the timeslice of data message as the first poll, send the data message that comprises testing vehicle register, operating mode to acquisition controller;
Step 3, acquisition controller send the reception successful information to receiving the vehicle working condition registering instrument that sends data message, make it enter silent status;
Step 4, acquisition controller broadcast to as the new minislot parameter that next poll response time is divided into n-1 interval the working state recording instrument of respectively waiting to pass in and out a vehicle with n-1;
Step 5, the working state recording instrument that passes in and out a vehicle of respectively waiting of not mourning in silence ask mould to obtain remainder self to number with new minislot parameter, send the timeslice of data message as next poll, send the data message that comprises testing vehicle register, operating mode to acquisition controller;
Step 6, acquisition controller send the reception successful information to receiving the vehicle working condition registering instrument that sends data message, make it enter silent status;
Step 7, press pre-determined number (3-5 time) repeating step four to step 6.
Theory and practice proves, after adopting said method, even there is the identical working state recording instrument of remainder in the first poll, through the follow-up poll of 2-4 change minislot parameter, can properly settle the communication contention aware problem, and guarantee higher communication efficiency.
The present invention further improves, described respectively after the working state recording instrument that passes in and out a vehicle asks mould to obtain sending the timeslice of data message, the random delay (usually being shorter than 2ms) that produces, after the timeslice random delay of described transmission data message, send the data message that comprises testing vehicle register, operating mode to acquisition controller.
The call duration time of completing working state recording instrument and acquisition controller is generally 5-6ms, and each timeslice be spaced apart the 8ms left and right, so random delay is no more than 2ms.
The theoretical foundation of said method is: the numbering of each parking lot working state recording instrument is predetermined, is known, and the minimum and maximum numbering of establishing the working state recording instrument is respectively n to the business of minislot parameter n
1And n
2If working state recording instrument sum is greater than minislot parameter n, due to each working state recording instrument double sign not, n must be arranged
2N
1If the business of current working registering instrument and minislot parameter n is n
0, the primitive rule of its random delay is, when minislot parameter n is odd number, numbers little working state recording instrument and preferentially sends (random delay is little), the registering instrument signal sends random delay time=(n
0-n
1) * 2.0/(n
2-n
1) ms; Otherwise, when timeslice adds up to even number, to number large working state recording instrument and preferentially send, the registering instrument signal sends random delay time=2-(n
0-n
1) * 2.0/(n
2-n
1) ms.If working state recording instrument sum is seldom, less than minislot parameter n, only cutting apart with timeslice does not need special the processing done in time-delay, only need in 0-2ms random produce a time-delay just well settling time collision problem.Like this, by different delay parameters is set, the identical working state recording instrument of remainder is sheet internal cause mistiming and competing at one time, has one can normally send, thereby can reduce wrap count, further improves communication efficiency.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the acquisition controller topology schematic diagram of one embodiment of the invention.
Fig. 2 is the acquisition controller block diagram of one embodiment of the invention.
Fig. 3 is working state recording instrument and the acquisition controller communication connection schematic diagram of one embodiment of the invention.
Fig. 4 is that the floor data of an embodiment of the present invention gathers schematic diagram.
Fig. 5 is the control flow chart of the acquisition controller of one embodiment of the invention.
Fig. 6 is the control flow chart of the working state recording instrument of one embodiment of the invention.
Embodiment
Embodiment one
The vehicle of the present embodiment is come in and gone out station control system as shown in Figure 1, comprises the acquisition controller that is positioned at the parking lot, is arranged on working state recording instrument and the store car operating mode on vehicle and safeguards the main control computer of (comprising M R) judgment rule.
Intelligent main control chip STM32F103VC (or ARM Cortex-M3) the induced signal input end of acquisition controller connects the output terminal of parking lot inductive coil by I/O interface and wagon detector, its control output end connects respectively controlled end and the traffic lights alarming device of lifting lever, and its wireless communication port connects the wireless transceiver circuit that the CC2500 wireless data communication module consists of, and the network service port connects main control computer (referring to Fig. 2, Fig. 3) by network interface RJ45.
The formation of working state recording instrument as shown in Figure 3,, have by signal conditioning circuit and connect the data-interface of extraneous sensor and the communication port that is connected with radio communication subsystem as wireless transceiver device as data acquisition module with the STM32F103 central processing element.The data that data-interface can gather as shown in Figure 4, comprise the digital signals such as the simulating signal such as switching signal, the level sensing such as engine operating duration and distance travelled, various signals inputs the working state recording instrument by data-interface after the treatment circuit conversion by routine respectively and are stored.
The intelligent main control chip of acquisition controller adopts two different frequency range channels to carry out respectively corresponding transmitting-receiving communication connection by the wireless transceiver device of wireless transceiver circuit and working state recording instrument, adopts when namely acquisition controller is to working state recording instrument transmitted signal and the channel that receives from working state recording instrument different frequency range.
Specifically realize as follows vehicles while passing control (referring to Fig. 5, Fig. 6):
1), the working state recording instrument gathers the various monitoring transducing signals (referring to Fig. 4) that need that extraneous sensor comprises switching signal, simulating signal and digital signal, renewal work information record in the interval on schedule.
2), acquisition controller receives the vehicles while passing field information of inductive coil transmission, the judgement turnover, n(chooses between 11-19 with predetermined natural number, usually selected select 13 at 11,100 o'clock during the vehicle fleet 50 of parking lot, broadcast to as the minislot parameter that the first poll response time is divided into n interval by that analogy) and have the different working state recording instrument of respectively waiting to pass in and out a vehicle of numbering; Inquiry number of times k(is set to be chosen in 2-4), send broadcast singal by wireless transceiver circuit to wireless transceiver device.
3), after the working state recording instrument that passes in and out a vehicle receives and judges the broadcast singal of acquisition controller and himself be not in silent status, numbering with minislot parameter with self asks mould to obtain remainder, send the timeslice of data message as the first poll, and generation is shorter than the random delay of 2ms, after the timeslice random delay that sends data message, send the data message that comprises testing vehicle register, operating mode to acquisition controller by predetermined wireless communication protocol.
4) acquisition controller receives testing vehicle register, floor data information by wireless transceiver circuit, sends the reception successful information to receiving the vehicle working condition registering instrument that sends data message, makes it enter silent status; Broadcast to as the new minislot parameter that next poll response time is divided into 12 intervals the working state recording instrument of respectively waiting to pass in and out a vehicle with 13-1 again; The working state recording instrument that passes in and out a vehicle of respectively waiting of not mourning in silence asks mould to obtain remainder self to number with new minislot parameter, sends the timeslice of data message as next poll, sends the data message that comprises testing vehicle register, operating mode to acquisition controller; So circulation is k time, can complete remain to be passed in and out a data message of vehicle working condition registering instrument transmission, by Internet Transmission to main control computer.
5) main control computer is according to next testing vehicle register, the floor data information of pre-defined rule judgement transmission, and extract this vehicle from database send approval information and historical maintenance information, the formation instruction of whether letting pass after comprehensive judgement, and send to acquisition controller by network.
6) acquisition controller is controlled according to the instruction of main control computer and is opened lifting lever to the vehicle clearance or send the restricted driving alarm signal, and repairs according to vehicle maintenance repair schedule prompting maintenance next time.
The said process acquisition controller sends broadcast singal by the first channel, receives identity and the work information of each working state recording instrument by second channel; Otherwise the working state recording instrument sends testing vehicle register and work information by second channel to acquisition controller by the broadcast singal of the first channel-monitoring acquisition controller.When acquisition controller sends broadcast singal by the first channel, working state recording instrument in all communication ranges is all by the first channel-monitoring broadcast singal, avoided the collision problem of communication, and issuable communication contention aware when sending information by second channel to acquisition controller simultaneously for a plurality of working state recording instrument, above-described embodiment can be properly settled.For example, when there being working state recording instrument numbering to be respectively 10 cars of 1,2,11,12,101,102,1001,1002,10001,10002,100001,100002 when passing in and out the parking lot, acquisition controller is established the timeslice number of minislot parameter n=13(maximum), wrap count k=3(acquisition controller broadcasts 3 cycles of poll at every turn after receiving the ground induction coil trigger pip)
After asking mould to 13 for the first time, each working state recording instrument remainder is respectively:
| 1 | 2 | 11 | 12 | 101 | 102 | 1001 | 1002 | 10001 | 10002 | 100001 | 100002 |
| 1 | 2 | 11 | 12 | 10 | 11 | 0 | 1 | 4 | 5 | 5 | 6 |
After acquisition controller is broadcasted for the first time, be numbered 2,12,101,1001,10001 and 10002 registering instrument owing to sending information without any other working state recording instrument in its timeslice, therefore can be in successful transmitted signal after poll for the first time, and receive the reception successful respond of acquisition controller and enter silent status.Numbering 1 and 1002,11 and 102,10002 and 100001 working state recording instrument respectively in same timeslice, through different random delays wherein majority may send successfully, suppose that these 6 working state recording instrument of worst case all fail correctly to send information; Acquisition controller will arrange minislot parameter and successively decrease and become 13-1=12, and after remaining 6 working state recording instrument and asking mould to 12, remainder is respectively
| 1 | 11 | 102 | 1002 | 10002 | 100001 |
| 1 | 11 | 6 | 6 | 3 | 0 |
After the 2nd broadcasting of acquisition controller, be numbered in its timeslice of registering instrument of 1,11,10002 and 100001 without any conflict, just can guarantee successful transmitted signal after poll for the second time, and receive the reception successful respond of acquisition controller and enter silent status.Suppose to be numbered under worst case 102 and 1002 registering instrument and fail normal the transmission; Acquisition controller continues minislot parameter is successively decreased and becomes 11, and after remaining 2 working state recording instrument and asking mould to 11, remainder is
| 102 | 1002 |
| 3 | 1 |
Like this, even run into the worst situation, after acquisition controller was broadcasted for the third time, all registering instruments are transmitted signal normally.
Mathematics is deduced and can be proved, because the signal cover of the acquisition controller on doorway, parking lot is limited, general diameter is not more than 100 meters, even a plurality of import and exports are arranged, the quantity of admission simultaneously to be gone out is limited, generally is not more than 50.Take the method for the present embodiment, as long as choose reasonable n, k parameter can make contention-free send and successfully reach required probability, for example reach more than 99.9%, so have enough reliabilities.
After adopting the method for the present embodiment, through the appearance induction zone, trigger induction installation when vehicle (equipment) appears on the scene, related news are sent to vehicle (equipment) go out the admission acquisition controller; Acquisition controller begins initiatively inquiry and has or not vehicle (equipment) to appear on the scene, and sends according to wireless messages and receives agreement, confirms appearance vehicle (equipment) identity, automatic reception vehicle (equipment) current working information; Send appearance vehicle (equipment) relevant information to main control computer (computer terminal), and vehicle (equipment) is employed controlled: if vehicle (equipment) is without sending, red lamp flass, the Electrically operated gate autoshutdown, phonic warning, otherwise green light leaves, and Electrically operated gate is opened and voice suggestion clearance information automatically, and the LED screen display shows that working as vehicle in front (equipment) employs information, main work information and the next prompting message that maintains repairing etc.
Claims (3)
1. vehicles while passing field control method, be positioned at the parking lot acquisition controller, be arranged on working state recording instrument on vehicle and store car operating mode and safeguard in the control system that the main control computer of judgment rule consists of, the output terminal that the intelligent main control chip induced signal input end of described acquisition controller and control output end connect respectively the parking lot inductive coil and controlled end and the alarming device of lifting lever, and its wireless communication port connects wireless transceiver circuit respectively and connects main control computer by network with the network service port, the central processing element of described working state recording instrument has the data-interface that connects extraneous sensor and the communication port that is connected with wireless transceiver device, described intelligent main control chip is realized vehicles while passing control as follows by the wireless transceiver device communication connection of wireless transceiver circuit and working state recording instrument:
The first step, working state recording instrument be the transducing signal of the extraneous sensor of interval collection on schedule, upgrades the work information record;
Second step, acquisition controller send broadcast singal by wireless transceiver circuit to wireless transceiver device after receiving the vehicles while passing field information of inductive coil transmission;
The 3rd step, receive the broadcast singal of acquisition controller wait the working state recording instrument that passes in and out a vehicle after, send the data message that comprises testing vehicle register, operating mode by predetermined wireless communication protocol by wireless transceiver device;
The 4th step, acquisition controller receives testing vehicle register, floor data information by wireless transceiver circuit, and by Internet Transmission to main control computer;
Testing vehicle register, floor data information that the 5th step, main control computer come according to pre-defined rule judgement transmission, and extract this vehicle sending, maintenance information from database, the formation instruction of whether letting pass after comprehensive judgement, and send to acquisition controller by network;
The 6th step, acquisition controller are controlled according to the instruction of main control computer and are opened lifting lever to the vehicle clearance or send the restricted driving alarm signal.
2. vehicles while passing field control method according to claim 1 is characterized in that: described acquisition controller adopts and the channel that receives from working state recording instrument different frequency range during to working state recording instrument transmitted signal; Carry out as follows radio communication between described acquisition controller and each working state recording instrument:
Step 1, acquisition controller receive to broadcast to as the minislot parameter that the first poll response time is divided into n interval with predetermined natural number n greater than 2 after the vehicles while passing field information of inductive coil transmission has the different working state recording instrument of respectively waiting to pass in and out a vehicle of numbering;
Step 2, the working state recording instrument of respectively waiting to pass in and out a vehicle ask mould to obtain remainder with self numbering with minislot parameter, send the timeslice of data message as the first poll, send the data message that comprises testing vehicle register, operating mode to acquisition controller;
Step 3, acquisition controller send the reception successful information to receiving the vehicle working condition registering instrument that sends data message, make it enter silent status;
Step 4, acquisition controller broadcast to as the new minislot parameter that next poll response time is divided into n-1 interval the working state recording instrument of respectively waiting to pass in and out a vehicle with n-1;
Step 5, the working state recording instrument that passes in and out a vehicle of respectively waiting of not mourning in silence ask mould to obtain remainder self to number with new minislot parameter, send the timeslice of data message as next poll, send the data message that comprises testing vehicle register, operating mode to acquisition controller;
Step 6, acquisition controller send the reception successful information to receiving the vehicle working condition registering instrument that sends data message, make it enter silent status;
Step 7, by greater than 2 pre-determined number repeating step four to step 6.
3. vehicles while passing field control method according to claim 2, it is characterized in that: described respectively after the working state recording instrument that passes in and out a vehicle asks mould to obtain sending the timeslice of data message, the random delay that produces, after the timeslice random delay of described transmission data message, send the data message that comprises testing vehicle register, operating mode to acquisition controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051016.0A CN103116927B (en) | 2013-02-08 | 2013-02-08 | Method for controlling vehicles to enter and exit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051016.0A CN103116927B (en) | 2013-02-08 | 2013-02-08 | Method for controlling vehicles to enter and exit |
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| CN103116927A true CN103116927A (en) | 2013-05-22 |
| CN103116927B CN103116927B (en) | 2015-04-29 |
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| CN201310051016.0A Expired - Fee Related CN103116927B (en) | 2013-02-08 | 2013-02-08 | Method for controlling vehicles to enter and exit |
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| CN105719359A (en) * | 2016-01-15 | 2016-06-29 | 中国人民解放军装甲兵工程学院 | Vehicle information acquisition method and device |
| CN111564042A (en) * | 2020-05-21 | 2020-08-21 | 南京北路自动化系统有限责任公司 | Wellhead card swiping and dispatching system based on UWB positioning card and control method thereof |
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| CN111564042A (en) * | 2020-05-21 | 2020-08-21 | 南京北路自动化系统有限责任公司 | Wellhead card swiping and dispatching system based on UWB positioning card and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN103116927B (en) | 2015-04-29 |
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