CN202230641U - Traffic information and control experiment teaching base platform - Google Patents
Traffic information and control experiment teaching base platform Download PDFInfo
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- CN202230641U CN202230641U CN2011203078565U CN201120307856U CN202230641U CN 202230641 U CN202230641 U CN 202230641U CN 2011203078565 U CN2011203078565 U CN 2011203078565U CN 201120307856 U CN201120307856 U CN 201120307856U CN 202230641 U CN202230641 U CN 202230641U
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Abstract
The utility model relates to a traffic information and control experiment teaching base platform, which belongs to the traffic information and control field. The base platform mainly comprises a road environment miniaturizing system and a vehicle self driving system. The real road environment is miniaturized into a miniaturized experiment table in a ratio of 1 : 38 by the road environment miniaturizing system in the form of a scaled model. City roads, signal intersections, traffic signs, marked lines, roadside landscapes, illumination facilities, controllable signal lamps, signal controllers, micro traffic detection equipment, and self driving vehicle models are included in the road environment miniaturizing system. The traffic information and control experiment teaching base platform provided by the utility model guides the vehicle models to realize self driving by metal guide rails buried in the road surfaces and electromagnetic induction principle, realizes control of traffic rules for vehicles by electromagnetic induction effect synchronized with red lamp signals, realizes vehicle team driving by infrared speed detection and infrared communication technologies, and realizes central scheduling coordination control by the infrared communication technology. The traffic information and control experiment teaching base platform provided by the utility model is a basis for further realizing an information acquisition system, an information transmission system and a signal control and simulation system.
Description
Technical field
The utility model relates to a kind of basic platform, and particularly a kind of transport information and control experimental teaching basic platform belong to transport information and control field, mainly is to offer transport information and control the experiment basis platform that correlated curriculum is developed for the traffic engineering specialty.
Background technology
Transport information and control technology are as the core technology of intelligent transportation system; At present be able to widespread use in the every field of urban transportation, intellectual technologies such as traffic information collection technology, transport information transmission technology, traffic signals control technology, traffic simulation technology, The intelligent vehicles technology are being brought into play important effect at field of traffic.Simultaneously, adapt to the demand for talent of intelligent transportation field, employing unit has also proposed for the active demand of transport information with the control professional.Be the variation of reply personnel training and talents market, offered " transport information and control technology basis " course at present, course is under the jurisdiction of traffic engineering specialty " transport information and control " type undergraduate's stem course crowd.Offering of this course is traffic engineering specialized courses based theoretical such as traffic administration and control, intelligent transportation system; Expectation is offered through course; Let the student grasp the professional technique in transport information and control field; Strengthen the social adaptiveness of traffic engineering Major, satisfy the demand of Modern Traffic better for the talent.
But because the characteristics of the multi-disciplinary and subject crossing of this type of course; For classroom instruction and practical teaching challenge has been proposed all; Each big colleges and universities traffic engineering specialty of the whole nation is not offered this type of course basically at present, and therefore corresponding teaching experimental equipment and experiment porch do not have basically.Therefore; In order to improve the student's engineering ability ability of practice; The traffic engineering specialty is established transport information and control laboratory; This laboratory relies on " traffic electronic technology ", " transport information and control technology basis ", " traffic administration and control " several subjects, through offer undergraduate's curriculum experiment, the undergraduate innovates credit practice course and autonomous innovation multi-disciplinary, interdisciplinary experiment, cultivating with the subject crossing is the integrated application talent of characteristic.Experiment porch comprises 6 big subsystems, comprises the road environment miniature system, autonomous driving vehicle system, traffic information acquisition system, transport information transmission system, traffic signal control system, control strategy efficiency evaluation system.The utility model is mainly each big building of subsystem of intelligent transportation experiment the infrastest platform is provided, and comprises " road environment miniature system " and " autonomous driving vehicle system ".
Based on building of this infrastest platform, realize the reduction and autonomous driving vehicle of micro road traffic element, for building of other intelligent transportation systems provides the enforcement basic platform.Expectation can take the lead in building experiment porch in national universities, no longer be with the demonstration and emulation technology be main, but but the operation experiments platform of constructing function property provides the chance of starting to put into practice for the student.
The utility model content
The utility model is for satisfying the demand; A kind of transport information and control experimental teaching basic platform have been proposed; Traffic element micro in the real road environment of city is migrated to the laboratory; And produce the vehicle that independently goes, for building of traffic acquisition system, transport information transmission system and traffic control and analogue system provides basic platform.
The main technical schemes of the utility model is following:
Transport information and control experimental teaching basic platform; Be the traffic element in the real road environment of city to be carried out micro migrate to the laboratory; Form perfect transport information of a cover and control experimental teaching basic platform; It mainly comprises: the autonomous driving system of road environment miniature system and vehicle, it is characterized in that, and comprise following content:
(1): described road environment miniature system, with the real roads environment in proportion micro be made into experiment table, wherein include urban road; Signalized intersections, traffic sign, graticule, road trackside view; Lighting installation, controllable signal lamp, signal controlling machine; Miniature traffic checkout equipment, autonomous driving vehicle model; Portal frame is installed, for the installation of Road Detection equipment provides support on the urban road surfaces; Also offer the road surface groove that coil checker can be installed on the urban road surfaces, it is equipped with homemade coil checkout equipment; Little magnetic conductance rail is installed, for auto model provides driving trace under the urban road surfaces; Electromagnet is installed under the road surface of crossing one segment distance and the signal lamp red signal is synchronous, for auto model provides brake signal; Road surface color, traffic sign, graticule color and real roads are pressed close to, and have the reflecting effect at night;
(2): the autonomous driving system of described vehicle, for whole transport information and control experimental teaching basic platform provide detected object, the autonomous driving system of vehicle comprises the function of 3 aspects:
(2.1): the vehicle control of independently going, the permanent magnet of installing through headstock interacts with the pre-buried metal guide rail in below, road surface, and the travel route of control vehicle realizes that route or travel by vehicle controls; The intersection pavement below is embedded with the electromagnet synchronous with the signal lamp red light phase; Obtain the belisha beacon state through the Hall element that is installed in vehicle chassis; To realize the traffic rules control of dolly " Red Light, Stop "; Vehicle rear wheel has infrared code-disc speed measuring device, and the PWM speed governing through single-chip microcomputer realizes the rotating speed control of vehicle, guarantees that dolly goes with a certain velocity-stabilization;
(2.2): the vehicle control of going of forming into columns, the trailing wheel of each car is equipped with infrared speed measuring device, the detection travel condition of vehicle.Infrared launcher through the installation of vehicle afterbody; Car sends this car velocity information of going backward incessantly; Back car is through being installed in its anterior infrared receiving device; The running status of obtaining front vehicles is guaranteed stable spacing to determine self travel speed, avoids bumping against and realize that the crossing vehicle queue waits;
(2.3): control is coordinated in vehicle scheduling; The vehicle master control borad is reserved serial line interface can insert radio receiving transmitting module; Can realize the scheduling to all vehicles on the platform through control center, real time altering running velocity and running orbit are realized vehicle central coordination control; And then produce parking offense, these incidents violating the regulations of driving over the speed limit, make a dash across the red light, for the variety of event of experimental teaching basic platform detects experimental situation is provided.
Described transport information and control experimental teaching basic platform, the ratio of road environment miniature system and real road is 1: 38, the traffic element on the basic platform all according to physical size in proportion micro form.
Described transport information and control experimental teaching basic platform; The road surface groove that basic platform utilizes micro urban road surfaces, micro portal frame and coil checker can be installed; Can installation kit vinculum circle, video, microwave, infrared these multiple traffic information sensors, for the detection computations of further accomplishing the volume of traffic provides the experimental teaching basic platform.
Described transport information and control experimental teaching basic platform; Multiple grafting panel is installed on the basic platform; Through the plug connection terminal, realize being connected and communicating by letter of inductive coil, signal lamp and detecting device, teleseme, these external units of video transmission on the basic platform.
The beneficial effect of the utility model is: the transport information of the utility model and control experimental teaching basic platform are the structure of further realizing traffic information collection, transport information transmission, traffic signals control and the simulating experimental system platform that provides the foundation; The platform of curriculum experiment and practice of innovation is provided for traffic engineering specialty " traffic signals and control " type undergraduate; Also can be other relevant specialities; Provide like the undergraduate of relevant specialities such as electronic information and control engineering, bus or train route information reconciliation control technology, traffic information collection technology, intelligent signal control technology, video compress transmission technology and postgraduate and to put into practice platform, cultivated the ability of student's innovation and practice.
Description of drawings
Fig. 1 is transport information of the present invention and control experimental teaching basic platform synoptic diagram
Among the figure: 1, urban road; 2, signal lamp; 3, camera; 4, coil checker; 5, panel; 6, vehicle; 7, teleseme; 8, portal frame; 9, graticule; 10, coil; 11, little magnetic conductance rail; 12, electromagnet.
Embodiment
Of Fig. 1, a kind of transport information of the present invention and control experimental teaching basic platform, embodiment is following:
One, road environment miniature system
(1), make experiment table, the form of experiment table adopts common common laboratory bench get final product, is on-deformable wood materials but require to test table top, so that operations such as borings.Steel supporting structure preferably is so that support student's implementation and operation on experiment table.Little magnetic conductance rail 11 is installed in the track and the track that on wooden desktop, are about to operation according to vehicle 6.Lay thin ground surface material plank on the desktop in addition, and evenly spray has Dark grey paint reflecting effect, that exactly like true ground surface material, and suitably make the trackside landscape environment, form the road sand table model.
(2), the traffic element in the micro real roads environment in proportion, with the ratio of real road environment be 1: 38, draw urban road 1, environment, traffic sign, graticule 9, signalized intersections, crossing etc.
(3), on wooden platform, the size signal lamp 2 building traffic signal lamp support stainless steel, hollow, height adjustable portal frame support, road lighting apparatus and form proportionally by red, yellow, green different light emitting diode.The shape of all elements is according to the shaped design of real roads, and size was according to 1: 38 reduced scale.All circuit connecting wires are all classified and are distributed in the trough of experiment table top bottom.
(4), on table top according to the size of coil checker, dig system coil checker 4 road surface grooves on the road surface, and of the same size, the detecting device lid that ground surface material is consistent of making and road surface groove, to reduce pavement of road, be convenient to vehicle safe driving.On the portal frame 8 of the stainless steel of hollow, make universal joint, video frequency pick-up head 3 can be installed, and the cabling of camera 3 is placed in the trough of experiment table top bottom equally.
(5), on the experiment table top patch panel of design all size, have the connecting line of plug through making, being connected of implementation platform and external unit is such as equipment such as teleseme 7, coil collecting device, video frequency collection cards.
Two, the autonomous driving system of vehicle
Auto model goes according to set metallic traces through being retrofitted on the sand table model; Can go, realize according to traffic rules to form into columns and go, realize central authorities' coordination control, and then be that modules such as various traffic information collections, Video processing, video transmission provide detecting unit.
(1), vehicle traction, adopt direct current generator PWM ripple to drive and realize the motion of car mould, dolly can be according to the brake of signal lamp state, so add brake gear when passing by the crossing.Brake gear is realized by dpdt relay.During brake, relay applies reverse voltage through commutation circuit to motor, makes motor can accomplish braking within a short period of time.
(2), TRAJECTORY CONTROL, utilize the metal guide rail of road below, the angle sheave of model vehicle head links with permanent magnet, makes spontaneous the going along metal guide rail of dolly.Signal lamp 2 keeps synchronously with the electromagnet that is installed in the crossing 12, adopts Hall element to detect having or not of electromagnet magnetic field, and then knows current belisha beacon 2 states.Install 3 groups of two-way Hall elements on same the car additional, increase induction, have at least a sensor to face electromagnet 12 when stopping with assurance.
(3), speed control, the PID mode of speed regulation is adopted in Vehicle Speed control, keeps certain travel speed with the control vehicle.
Above step realizes that the experiment vehicle independently goes.
(4), infrared testing the speed, the trailing wheel of each dolly has all been installed infrared speed measuring device.Speed measuring device is made up of code-disc on the wheel and the infrared tube on the chassis.
(5), infrared communication, the core that many cars are formed into columns is to realize that the back car follows front truck and go, the prerequisite that realizes this effect is the running status that the back car can be detected front truck.Front truck is installed in the continual running status with oneself of infrared transmitting tube of tailstock portion and rearward broadcasts.As long as the back car gets into the running status that certain limit just can receive front truck, the running status of adjusting self thus is with the safe distance of maintenance with front truck.
Above step realizes testing the vehicle formation and goes.
(6), vehicle scheduling control system is made up of the radio receiving transmitting module on middle control machine and the model vehicle.Single-chip microcomputer on the model vehicle is that radio receiving transmitting module is reserved full duplex serial transmitting-receiving interface, can be easily with radio receiving transmitting module access model vehicle.Serve as on teacher's main frame of total activation machine and be connected to identical radio receiving transmitting module and scheduling control program is housed, can communicate, control its speed, travel direction, and produce act of violating regulations, for Video Detection provides incident with all vehicles on the whole experiment porch.
Above step realizes central authorities' coordination control.
Claims (3)
1. transport information and control experimental teaching basic platform, it mainly comprises: the autonomous driving system of road environment miniature system and vehicle is characterized in that:
(1): described road environment miniature system, with the real roads environment in proportion micro be made into experiment table, it includes urban road; Signalized intersections, traffic sign, graticule, road trackside view; Lighting installation, controllable signal lamp, signal controlling machine; Miniature traffic checkout equipment, autonomous driving vehicle model; The installation that promising Road Detection equipment is installed on the urban road surfaces provides the portal frame of support; Also offer the road surface groove that coil checker can be installed on the urban road surfaces, it is equipped with homemade coil checkout equipment; Urban road surfaces is installed little magnetic conductance rail that promising auto model provides driving trace down; Under the road surface of crossing one segment distance, electromagnet is installed, it is synchronous with the signal lamp red signal, for auto model provides brake signal; Road surface color, traffic sign, graticule color and real roads are pressed close to, and have the reflecting effect at night;
(2): the autonomous driving system of described vehicle, its headstock is equipped with permanent magnet, and the below, road surface is embedded with metal guide rail, and permanent magnet and metal guide rail interact, the travel route of control vehicle; The intersection pavement below is embedded with the electromagnet synchronous with the signal lamp red light phase, and vehicle chassis is equipped with the Hall element that obtains the belisha beacon state, and vehicle rear wheel has infrared code-disc speed measuring device, realizes the rotating speed control of vehicle through the PWM speed governing of single-chip microcomputer; Simultaneously, the trailing wheel of each car is equipped with the infrared speed measuring device that detects travel condition of vehicle, and the vehicle afterbody is equipped with incessantly car backward and sends the go infrared launcher of velocity information of this car; The vehicle master control borad is reserved with the serial line interface that can insert radio receiving transmitting module.
2. transport information according to claim 1 and control experimental teaching basic platform; It is characterized in that: the ratio of described road environment miniature system and real road is 1: 38, the traffic element on the basic platform all according to physical size in proportion micro form.
3. transport information according to claim 1 and control experimental teaching basic platform is characterized in that: multiple grafting panel is installed on the basic platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203078565U CN202230641U (en) | 2011-08-23 | 2011-08-23 | Traffic information and control experiment teaching base platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203078565U CN202230641U (en) | 2011-08-23 | 2011-08-23 | Traffic information and control experiment teaching base platform |
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| Publication Number | Publication Date |
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| CN202230641U true CN202230641U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203078565U Expired - Fee Related CN202230641U (en) | 2011-08-23 | 2011-08-23 | Traffic information and control experiment teaching base platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436770A (en) * | 2011-08-23 | 2012-05-02 | 北京工业大学 | Experimental teaching basic platform for traffic information and control |
| CN114882698A (en) * | 2022-03-31 | 2022-08-09 | 上海交通大学 | Miniature vehicle dynamic path planning vehicle-road coordination system based on V2X |
-
2011
- 2011-08-23 CN CN2011203078565U patent/CN202230641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436770A (en) * | 2011-08-23 | 2012-05-02 | 北京工业大学 | Experimental teaching basic platform for traffic information and control |
| CN114882698A (en) * | 2022-03-31 | 2022-08-09 | 上海交通大学 | Miniature vehicle dynamic path planning vehicle-road coordination system based on V2X |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20140823 |
|
| EXPY | Termination of patent right or utility model |