CN201449449U - Comprehensive monitoring system for automobile driving behaviors of driver - Google Patents
Comprehensive monitoring system for automobile driving behaviors of driver Download PDFInfo
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- CN201449449U CN201449449U CN 200920034413 CN200920034413U CN201449449U CN 201449449 U CN201449449 U CN 201449449U CN 200920034413 CN200920034413 CN 200920034413 CN 200920034413 U CN200920034413 U CN 200920034413U CN 201449449 U CN201449449 U CN 201449449U
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Abstract
The utility model relates to the research field of road traffic safety and discloses a comprehensive monitoring system for automobile driving behaviors of a driver. The comprehensive monitoring system comprises the following components: a CAN bus; a server, a microwave radar ranging module, an infrared laser scanning module, a brake pedal travel measuring module, a steering wheel corner testing module, vehicle movement state measuring module and a lane identifying module, which are hung on the CAN bus; as well as a driver eye movement measuring module and an environment monitoring module which are accessed into the server through network cables.
Description
Technical field
The utility model relates to the traffic safety research field, particularly a kind of comprehensive monitor system of driver's car steering behavior.
Technical background
Driving behavior refer to the driver in the steering vehicle process according to traveling state of vehicle, road environment difference control behavior that vehicle is made on every side.Driving behavior directly affects traffic safety, and statistics shows that the ratio that causes owing to driver's human factor in the etesian traffic hazard of China is about 70%, causes about 50,000 people's death, has brought to social development to seriously influence.The traffic hazard that is caused by human factor is embodied in the probability that unsuitable driving behavior meeting increase accident takes place, as the operation accelerator pedal of driver's mistake, and brake pedal, bearing circle uses incorrect, observation road surrounding environment that can not be correct etc.
In the traffic safety research field, often need test driver's driving behavior, present stage tests driving behavior two kinds of methods usually: a kind of is to adopt virtual traffic environment, adopting computer virtual software that road environment is projected on the screen in the laboratory shows, the driver uses driving simulator to carry out simulated operation according to the virtual road environment before screen, this method of testing cost is low, safe, but the authenticity of experiment is not high, the driver can not reach the state of actual steering vehicle usually, and this result that driving behavior is analyzed can cause bigger error.Second method is that driving behavior is decomposed, and separate analysis then is as carrying out the research of driver's visual search individually, the research of driver's car-following model, driver's driving behavior in case of emergency etc.These experimental results can be analyzed but various driving behavior characteristic indexs can not be linked together individually from reacting driver's driving behavior in a certain respect.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of this utility model is to provide a kind of comprehensive monitor system of driver's car steering behavior, this system can monitor driver's visual behaviour simultaneously, driver's operation behavior, travel condition of vehicle, surrounding vehicles is to driver's influence, and road environment around the monitor vehicle.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of comprehensive monitor system of driver's car steering behavior, it is characterized in that, comprise: CAN bus and the server, microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, the lane identification module that are articulated on the CAN bus, and driver eye movements measurement module and the environmental monitoring module of passing through the netting twine access server respectively;
Described microwave radar range finder module, measure simultaneously with instruction carriage in the track respectively with the distance of the distance of front truck and back car;
Described infrared laser scan module, the distance and the relative direction of experiment with measuring car and its front left side and left rear side vehicle simultaneously;
Described brake-pedal travel measurement module is gathered the light and heavy degree that the driver tramples brake pedal;
Described steering wheel angle test module, the turning to and corner of acquisition test car bearing circle;
Described state of motion of vehicle measurement module, the speed of acquisition test car, acceleration, course and location parameter;
Described lane identification module, lane position and track direction in the acquisition test car road ahead;
Described driver eye movements measurement module, collection driver's eye position, direction of gaze, fixation object, frequency of wink;
Described environmental monitoring module, the ambient image of acquisition test car front, rear, left and right four direction;
Described server receives the monitor signal of microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, lane identification module, driver eye movements measurement module and environmental monitoring module in real time, and real-time storage and demonstration.
Further improvement of the utility model and characteristics are:
Described microwave radar range finder module mainly comprises two microwave radar distance measuring sensors of connecting successively, the first voltage amplification A/D change-over circuit, first single-chip microcomputer, the CAN communication unit with two-way input.
Described infrared laser scan module mainly comprises two infrared laser scanning sensors of connecting successively, the second voltage amplification A/D change-over circuit, second singlechip, the 2nd CAN communication units with four tunnel inputs.
Described brake-pedal travel measurement module comprises brake-pedal travel survey sensor, the 3rd single-chip microcomputer and the 3rd CAN communication unit of series connection successively.
Described steering wheel angle test module comprises steering wheel angle sensor, the 4th single-chip microcomputer and the 4th CAN communication unit of series connection successively.
Described state of motion of vehicle measurement module comprises GPS receiver, the 5th single-chip microcomputer and the 5th CAN communication unit of series connection successively.
Described lane identification module comprises lane identification video camera, DSP image processing apparatus and the 6th CAN communication unit of series connection successively.
Described driver eye movements measurement module comprises eye movement instrument and the ethernet communication unit that is connected with the eye movement instrument.
Described environmental monitoring module comprises the Ethernet switch, and the forward sight, backsight, the left side that connect Ethernet switch are respectively looked, digital camera is looked on the right side.
The comprehensive monitor system of driver's car steering behavior of the present utility model, articulate server, microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, lane identification module respectively by the CAN bus, respectively driver eye movements measurement module and environmental monitoring module are passed through the netting twine access server; Server receives the monitor signal of microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, lane identification module, driver eye movements measurement module and environmental monitoring module in real time, and real-time storage and demonstration.Therefore, this system can monitor driver's visual behaviour simultaneously, driver's operation behavior, and travel condition of vehicle, surrounding vehicles is to driver's influence, and road environment around the monitor vehicle.
The utility model adopts technique scheme to have the following advantages:
1, system has good noiseproof feature, present stage, other carried out the influence that driving behavior used instrument of actual when test is subjected to the electromagnetic interference (EMI) that motor car engine and other relevant electrical equipment runnings brought easily, and native system employing CAN bus is come each acquisition module in the connected system, has good anti-interference.
2, separate work between the module of driving behavior monitoring in the system, certain module breaks down and can not have influence on the operate as normal of other modules, has guaranteed the reliability of system works.
When 3, having solved the driving behavior monitoring, asynchronous problem between the disparate modules. the driving behavior monitoring need be analyzed with a series of index, and traditional system can only use wherein a part of index to analyze separately, the utility model can be gathered the various driving behavior indexs of synchronization in real time, reacts the driving behavior of driver in actual driving procedure really.
4, server automatically carries out the collection of driving behavior characteristic in the utility model, in real time test figure is stored and show, do not need testing crew to operate, do not need the driver is made any restriction, fully the same with actual driving environment, can reflect the correlation properties index of driving behavior truly.
Description of drawings
Fig. 1 is the general frame synoptic diagram of the comprehensive monitor system of a kind of driver's car steering behavior of the present utility model; Wherein: 1, server; 2, microwave radar range finder module; 3, infrared laser scan module; 4, brake pedal driving measurement module; 5, steering wheel angle test module; 6, state of motion of vehicle measurement module; 7, lane identification module; 8, driver eye movements measurement module; 9, road environment monitoring module; 10, CAN bus module.
Fig. 2 is the connection diagram of microwave radar range finder module.
Fig. 3 is the connection diagram of infrared laser scan module.
Fig. 4 is the connection diagram of brake-pedal travel measurement module.
Fig. 5 is the connection diagram of steering wheel angle measurement module.
Fig. 6 is the connection diagram of state of motion of vehicle measurement module.
Fig. 7 is the connection diagram of lane identification module.
Fig. 8 is the connection diagram of driver eye movements measurement module.
Fig. 9 is the connection diagram of environmental monitoring module.
Embodiment
With reference to figure 1, be the comprehensive monitor system of a kind of driver's car steering behavior of the present utility model.It comprises: CAN bus 10 and the server 1, microwave radar range finder module 2, infrared laser scan module 3, brake-pedal travel measurement module 4, steering wheel angle test module 5, state of motion of vehicle measurement module 6, the lane identification module 7 that are articulated on the CAN bus 10, and driver eye movements measurement module 8 and the environmental monitoring module 9 of passing through netting twine access server 1 respectively.Wherein, the microwave radar range finder module, measure simultaneously with instruction carriage in the track respectively with the distance of the distance of front truck and back car; Infrared laser scan module, the distance and the relative direction of experiment with measuring car and its front left side and left rear side vehicle simultaneously; The brake-pedal travel measurement module is gathered the light and heavy degree that the driver tramples brake pedal; The steering wheel angle test module, the turning to and corner of acquisition test car bearing circle; The state of motion of vehicle measurement module, the speed of acquisition test car, acceleration, course and location parameter; The lane identification module, lane position and track direction in the acquisition test car road ahead; The driver eye movements measurement module, collection driver's eye position, direction of gaze, fixation object, frequency of wink; The environmental monitoring module, the ambient image of acquisition test car front, rear, left and right four direction; Server receives the monitor signal of microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, lane identification module, driver eye movements measurement module and environmental monitoring module in real time, and real-time storage and demonstration, be used for driving behavior monitoring and analysis and research to the driver.
With reference to figure 2, the microwave radar range finder module mainly comprises two microwave radar distance measuring sensors of series connection successively, the first voltage amplification A/D change-over circuit with two-way input, first single-chip microcomputer, the one CAN communication unit. two microwave radar distance measuring sensors be installed in respectively instruction carriage before, in the middle of the rear bumper arm, measure respectively with instruction carriage in the track respectively with the distance of the distance of front truck and back car. the signal that the microwave radar distance measuring sensor returns is faint voltage signal, the voltage signal of its output is linked into the first voltage amplification A/D change-over circuit, the first voltage amplification A/D change-over circuit is amplified to input signal in the scope of 0-5V, and through A/D conversion becoming digital voltage signal, import first single-chip microcomputer. first single-chip microcomputer is gathered this digital voltage signal, and according to digital voltage signal and range finding between corresponding relation, calculate instruction carriage and leading vehicle distance, and with the back car distance. first single-chip microcomputer sends to a CAN communication unit with above-mentioned range data, and a CAN communication unit sends above-mentioned data by the CAN bus to server.
With reference to figure 3, the infrared laser scan module mainly comprises two infrared laser scanning sensors of connecting successively, the second voltage amplification A/D change-over circuit, second singlechip, the 2nd CAN communication units with four tunnel inputs.Two infrared laser scanning sensors are installed in the left side of the forward and backward bumper bar of instruction carriage respectively, respectively the distance and the relative direction of experiment with measuring car and its front left side and left rear side vehicle.The signal that the infrared laser scanning sensor returns is the faint voltage signal of the two-way of representative distance and direction, the voltage signal of this two-way output is linked into the two-way input port of the second voltage amplification A/D change-over circuit, the second voltage amplification A/D change-over circuit will be amplified to the two-way input signal in the scope of 0-5V respectively, and through A/D conversion becoming respectively digital voltage signal, and input second singlechip.Second singlechip is gathered above-mentioned two-way digital voltage signal, and according to the digital voltage signal of representing distance and range finding between corresponding relation, represent direction digital voltage signal and survey corresponding relation between the direction, calculate the distance and the direction of instruction carriage and front left side vehicle respectively, and with the distance and the direction of left rear side vehicle.Second singlechip sends to the 2nd CAN communication unit with above-mentioned range data and direction, and the 2nd CAN communication unit sends above-mentioned data by the CAN bus to server.
With reference to figure 4, the brake-pedal travel measurement module comprises brake-pedal travel survey sensor, the 3rd single-chip microcomputer and the 3rd CAN communication unit of series connection successively.The brake-pedal travel survey sensor is connected with the instruction carriage brake pedal, measure the stroke of brake pedal, promptly gather the light and heavy degree that the driver tramples brake pedal, the digital signal of brake pedal sensor output directly is linked into the 3rd single-chip microcomputer, the 3rd single-chip microcomputer calculates according to the input signal of the trip sensor and the corresponding relation between the braking distance, obtains the run-length data of the brake pedal in this moment.The 3rd single-chip microcomputer sends to the 3rd CAN communication unit with the run-length data of brake pedal, and the 3rd CAN communication unit sends to server by the run-length data of CAN bus with brake pedal.
With reference to figure 5, the steering wheel angle test module comprises steering wheel angle sensor, the 4th single-chip microcomputer and the 4th CAN communication unit of series connection successively.Steering wheel angle sensor is installed on the steering column below the bearing circle, is used for turning to and corner of acquisition test car bearing circle; After being fixed on this steering wheel angle sensor on the steering column, connect as one with bearing circle, turning to turning to corner of corner and bearing circle that steering wheel angle sensor rotates is just the same.The turning to angular signal of instruction carriage that steering wheel angle sensor detects is digital signal, and directly import the 4th single-chip microcomputer, the 4th single-chip microcomputer according to steering wheel angle sensor output turn to and the actual steering of angular signal and bearing circle and the reduction formula between the corner are calculated, gather the corner of bearing circle in real time and turn to data.The 4th single-chip microcomputer is with the corner of bearing circle and turn to data to send to the 4th CAN communication unit, and the 4th CAN communication unit sends above-mentioned corner and turns to data to server by the CAN bus.
With reference to figure 6, the state of motion of vehicle measurement module comprises GPS receiver, the 5th single-chip microcomputer and the 5th CAN communication unit of series connection successively.The GPS receiver is fixed in the instruction carriage, speed, acceleration, course and the location parameter of real-time experiment with measuring car, the GPS receiver is linked into the 5th single-chip microcomputer with above-mentioned measurement data, after the 5th single-chip microcomputer carries out verification to the data of GPS receiver output, send to the 5th CAN communication unit, the 5th CAN communication unit sends above-mentioned data by the CAN bus to server.
With reference to figure 7, the lane identification module comprises the lane identification video camera of series connection successively, DSP image processing apparatus and the 6th CAN communication unit, being used for acquisition test car road ahead lane position and track direction. the lane identification video camera is installed in the back side of instruction carriage inside rear-view mirror, in the instruction carriage operational process, the road ahead image of the continuous acquisition test car of lane identification video camera, and be input in real time in the DSP image processing apparatus, the DSP image processing apparatus carries out high speed processing to the road ahead image, through obtaining the lane position that lane position and track direction .DSP image processing apparatus obtain after the identification, the track directional data sends to the 6th CAN communication unit, and the 6th CAN communication unit sends by the CAN bus above-mentioned data to server.
With reference to figure 8, the driver eye movements measurement module comprises eye movement instrument and the ethernet communication unit that the eye movement instrument is connected to switch.The eye movement instrument is installed on the panel board in driver dead ahead, is used to gather driver's eye position, direction of gaze, fixation object, frequency of wink; Wherein, two of the eye movement instrument thermal cameras are aimed at the installation of driver's head zone.In the instruction carriage operational process, the eye movement instrument is by the image of the real-time collection driver's eyes of two thermal cameras, and the image of driver's eyes is carried out real-time analysis handle the position that obtains driver's eyes, direction of gaze, fixation object, the frequency of wink parameter sends to these data in the server by the ethernet communication unit then.
With reference to figure 9, the environmental monitoring module comprises the Ethernet switch, and the forward sight, backsight, the left side that connect Ethernet switch are respectively looked, digital camera is looked on the right side, respectively the ambient image of acquisition test car front, rear, left and right four direction.Forward sight, backsight, a left side are looked, the ambient image of digital camera with the front, rear, left and right four direction of the instruction carriage of collection looked on the right side, are directly inputted in the server by Ethernet switch.
Claims (9)
1. the comprehensive monitor system of driver's car steering behavior, it is characterized in that, comprise: CAN bus and the server, microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, the lane identification module that are articulated on the CAN bus, and driver eye movements measurement module and the environmental monitoring module of passing through the netting twine access server respectively;
Described microwave radar range finder module, measure simultaneously with instruction carriage in the track respectively with the distance of the distance of front truck and back car;
Described infrared laser scan module, the distance and the relative direction of experiment with measuring car and its front left side and left rear side vehicle simultaneously;
Described brake-pedal travel measurement module is gathered the light and heavy degree that the driver tramples brake pedal;
Described steering wheel angle test module, the turning to and corner of acquisition test car bearing circle;
Described state of motion of vehicle measurement module, the speed of acquisition test car, acceleration, course and location parameter;
Described lane identification module, lane position and track direction in the acquisition test car road ahead;
Described driver eye movements measurement module, collection driver's eye position, direction of gaze, fixation object, frequency of wink;
Described environmental monitoring module, the ambient image of acquisition test car front, rear, left and right four direction;
Described server receives the monitor signal of microwave radar range finder module, infrared laser scan module, brake-pedal travel measurement module, steering wheel angle test module, state of motion of vehicle measurement module, lane identification module, driver eye movements measurement module and environmental monitoring module in real time, and real-time storage and demonstration.
2. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1, it is characterized in that described microwave radar range finder module mainly comprises two microwave radar distance measuring sensors of connecting successively, the first voltage amplification A/D change-over circuit, first single-chip microcomputer, the CAN communication unit with two-way input.
3. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1, it is characterized in that described infrared laser scan module mainly comprises two infrared laser scanning sensors of connecting successively, the second voltage amplification A/D change-over circuit, second singlechip, the 2nd CAN communication units with four tunnel inputs.
4. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1, it is characterized in that described brake-pedal travel measurement module comprises brake-pedal travel survey sensor, the 3rd single-chip microcomputer and the 3rd CAN communication unit of series connection successively.
5. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1 is characterized in that, described steering wheel angle test module comprises steering wheel angle sensor, the 4th single-chip microcomputer and the 4th CAN communication unit of series connection successively.
6. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1 is characterized in that, described state of motion of vehicle measurement module comprises GPS receiver, the 5th single-chip microcomputer and the 5th CAN communication unit of series connection successively.
7. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1 is characterized in that, described lane identification module comprises lane identification video camera, DSP image processing apparatus and the 6th CAN communication unit of series connection successively.
8. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1 is characterized in that, described driver eye movements measurement module comprises eye movement instrument and the ethernet communication unit that is connected with the eye movement instrument.
9. the comprehensive monitor system of a kind of driver's car steering behavior according to claim 1, it is characterized in that, described environmental monitoring module comprises the Ethernet switch, and the forward sight, backsight, the left side that connect Ethernet switch are respectively looked, digital camera is looked on the right side.
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| CN 200920034413 CN201449449U (en) | 2009-09-01 | 2009-09-01 | Comprehensive monitoring system for automobile driving behaviors of driver |
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| CN 200920034413 CN201449449U (en) | 2009-09-01 | 2009-09-01 | Comprehensive monitoring system for automobile driving behaviors of driver |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643053B (en) * | 2009-09-01 | 2011-02-16 | 长安大学 | Integrative monitoring system of automobilism action of driver |
| CN103373276A (en) * | 2012-04-23 | 2013-10-30 | 华平信息技术股份有限公司 | Method and system for automatically starting relevant modules of vehicle |
| CN104608770A (en) * | 2014-12-29 | 2015-05-13 | 深圳市元征科技股份有限公司 | Method and related equipment for monitoring driving state |
| CN106915277A (en) * | 2016-08-19 | 2017-07-04 | 蔚来汽车有限公司 | Power assembly of electric automobile control system |
| CN104091079B (en) * | 2014-07-15 | 2017-10-31 | 哈尔滨工程大学 | One kind is based on MEMS IMU Bus driver driving ability assessment methods |
| CN107499230A (en) * | 2017-07-28 | 2017-12-22 | 广州亿程交通信息有限公司 | Vehicle drive behavior analysis method and system |
| CN108891416A (en) * | 2018-07-12 | 2018-11-27 | 南京梵科智能科技有限公司 | A kind of vehicle safe driving system |
| CN114495503A (en) * | 2022-01-29 | 2022-05-13 | 深圳智慧车联科技有限公司 | System and method for supervising right turning standard operation of muck truck |
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2009
- 2009-09-01 CN CN 200920034413 patent/CN201449449U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643053B (en) * | 2009-09-01 | 2011-02-16 | 长安大学 | Integrative monitoring system of automobilism action of driver |
| CN103373276A (en) * | 2012-04-23 | 2013-10-30 | 华平信息技术股份有限公司 | Method and system for automatically starting relevant modules of vehicle |
| CN103373276B (en) * | 2012-04-23 | 2016-05-11 | 华平信息技术股份有限公司 | The method and system of the correlation module of automatically starting vehicle |
| CN104091079B (en) * | 2014-07-15 | 2017-10-31 | 哈尔滨工程大学 | One kind is based on MEMS IMU Bus driver driving ability assessment methods |
| CN104608770A (en) * | 2014-12-29 | 2015-05-13 | 深圳市元征科技股份有限公司 | Method and related equipment for monitoring driving state |
| CN106915277A (en) * | 2016-08-19 | 2017-07-04 | 蔚来汽车有限公司 | Power assembly of electric automobile control system |
| US10486545B2 (en) | 2016-08-19 | 2019-11-26 | Nio Nextev Limited | System for controlling powertrain of an electric vehicle |
| CN106915277B (en) * | 2016-08-19 | 2020-02-07 | 蔚来汽车有限公司 | Electric automobile power assembly control system |
| CN107499230A (en) * | 2017-07-28 | 2017-12-22 | 广州亿程交通信息有限公司 | Vehicle drive behavior analysis method and system |
| CN108891416A (en) * | 2018-07-12 | 2018-11-27 | 南京梵科智能科技有限公司 | A kind of vehicle safe driving system |
| CN114495503A (en) * | 2022-01-29 | 2022-05-13 | 深圳智慧车联科技有限公司 | System and method for supervising right turning standard operation of muck truck |
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Granted publication date: 20100505 Effective date of abandoning: 20090901 |