CN2607295Y - Intelligent active safety device for vehicle - Google Patents
Intelligent active safety device for vehicle Download PDFInfo
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- CN2607295Y CN2607295Y CN 03233589 CN03233589U CN2607295Y CN 2607295 Y CN2607295 Y CN 2607295Y CN 03233589 CN03233589 CN 03233589 CN 03233589 U CN03233589 U CN 03233589U CN 2607295 Y CN2607295 Y CN 2607295Y
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Abstract
The utility model relates to a vehicle intelligent active safety device consisting of the distance measuring devices being arranged on the front, back, left and right side of the vehicle, the signals are inputted into the each distance measuring and signal processing unit, each signal processing unit separately figures out the distances in four directions and judges whether there is barrier in the hazard area, if the barrier is exist the signal processing unit is communicated with the artificial intelligence controller, after fuzzification and fuzzy reasoning by the artificial intelligence controller, a fuzzy decision is decided out, the output ends are separately connected with the controlled objects. The device has the advantages that the utility model actively makes decision according to the vehicle traveling environment and status and detecting to the barriers in four directions, the possibility of accident can be forecasted, that the effective avoiding or defending measures can be adopted to prevent the accident happening and ensure the safety of vehicle in traveling.
Description
Technical field
The utility model belongs to vehicle safety technology and field of intelligent control technology, is specifically related to the active safety device of a kind of Vehicular intelligent.
Technical background
Existing Vehicle security system such as ABS, safety air bag etc. all can not realize intelligence, initiatively.In essence, its function can only alleviate the accident degree of vehicle ', can not actv. prevents the generation of accident.At present also have by distance measuring equipment (DME) is installed onboard and improve the intelligent and safe control ability of vehicle, carry out the unartificial intelligent anticollision of mono-but only be in, as collision avoidance system and anti-reverse collision system, only be a supersonic range finder or laser ranging system, collision in the time of can only preventing preceding or anti-reverse, can not multi-faceted intellectuality crashproof.
Summary of the invention
The purpose of this utility model is the deficiency at the prior art existence, designed the active safety device of a kind of Vehicular intelligent, the mode of taking the initiative, the possibility that can the prediction accident takes place is taked signal alarms such as sound, light, prompting the personnel of driving note, the pedestrian worker's intelligent decision of going forward side by side is in time adopted an effective measure, after entering the hazardous location, and the measure correctness no matter chaufeur is taked, system all can choose the best and dodge measure, prevents or stop the generation of train operation accident.
Technical solution of the present utility model is as follows:
The active safety device of Vehicular intelligent, comprise and be installed on vehicle front, rear, left and right distance measuring equipment (DME), their signal is imported range finding and signal processing unit separately respectively, each signal processing unit calculates respectively and shows the front, rear, left and right distance judges whether obstacle is arranged in the hazardous location simultaneously, if obstacle arranged then communicate by letter with the artificial intelligence controller, the artificial intelligence controller is made fuzzy judgment through obfuscation and fuzzy reasoning, and its mouth connects each controlled object respectively.
Wherein the range finding and the signal processing unit at left side, right side and rear portion are made of signal processing module, search module, detection module, distance indication module and temperature compensating and numeration pulse circuit etc., the signal processing module main body is the PIC16F876 micro controller system, its I/O port RC4 connects search module, I/O port RB0 connection detection module, I/O port RA0 connects temperature-compensation circuit, I/O port RC5, RC6, RC7 connect display module, and I/O port RC0 connects the numeration pulse circuit; Port1 is connected with the artificial intelligence controller by its I/O port.
The configurable super sonic of sensor in the search module, infradred sensor, but must central frequency be 40KHz; The configurable corresponding super sonic of sensor in the detection module, infradred sensor.
The front end distance measuring equipment (DME) adopts the laser radar apomecometer, as the BJ-1 semiconductor laser range instrument, it connects laser, radar ranging signal processing module by RS-2 32C standard serial communication interface, and laser, radar ranging signal processing module are connected with the artificial intelligence controller by Port1.
This intelligent active safety feature can detect front, rear, left and right and have or not static or mobile obstacle object, and measure its orientation, distance according to the environment and the state of vehicle ', if obstacle in safe range, only has distance indication; If in unsafe range, language alarm, red light indication are then arranged, and the prompting chaufeur is prepared in the measure of dodging; If in risk range, except that emergency alarm, also will after the reasoning from logic vehicle accelerator, driving bearing circle, brake system be carried out the best and be dodged the scheme automatic guidance, if this moment, chaufeur was taken emergency measures and to dodge scheme consistent for the best of artificial intelligence controller, the operation of chaufeur is still effective; If this moment navigating mate take emergency measures improper, then will by autonomous cruise speed system handle the execution artificial intelligence the best dodge measure, the operation of navigating mate realizes the intelligent initiative type safety control with invalid with this.
Description of drawings
Fig. 1 is the circuit block diagram of this intelligent initiative type safety device;
Fig. 2 is the circuit block diagram of this intelligent initiative type safety device left side, right side and rear portion range finding and signal processing unit;
Fig. 2 .1 is the schematic circuit diagram of signal processing module;
Fig. 2 .2 is the schematic circuit diagram of search module;
Fig. 2 .3 is the schematic circuit diagram of detection module;
Fig. 3 is the schematic circuit diagram of front end laser, radar ranging and signal processing module;
Fig. 4 is the functional block diagram of artificial intelligence controller;
The specific embodiment
Referring to Fig. 1, the active safety device of Vehicular intelligent, the distance measuring equipment (DME) of its front end, left side, right side, rear end is installed on the vehicle front, rear, left and right respectively, their signal input range finding and signal processing unit separately, range finding calculates to show also obstacle distance judges simultaneously whether obstacle is arranged in the hazardous location with signal processing unit, if obstacle is arranged then communicate by letter with the artificial intelligence controller.The mouth of artificial intelligence controller connects each controlled object respectively, comprises acousto-optic hint device, throttle, transmission and brake equipment.The artificial intelligence controller is made fuzzy judgment through obfuscation and fuzzy reasoning, controls each controlled object respectively by mouth.
The range finding of left side, right side and rear side and the formation of signal processing unit are referring to Fig. 2: comprise signal processing module, search module, detection module, distance indication module and temperature compensating and numeration pulse circuit etc.The signal processing module main body is the PIC16F876 micro controller system, an its I/O port RC4 connects search module, I/O port RB0 connection detection module, and I/O port RA0 connects temperature-compensation circuit, I/O port RC5, RC6, RC7 connect display module, and I/O port RC0 connects the numeration pulse circuit; Signal processing module and laser radar scanning rangefinder adopt RS-2 32C to gang up the letter interface standard, and are connected with the artificial intelligence controller by Port1.Its circuit theory is: the PIC16F876 Micro Controller Unit (MCU) driving search module by signal processing module sends search signal.Detection module is handled after detecting the search signal that reflects, and feeds back to signal processing module then.The judgement of processing module PIC16F876 micro controller system has or not static or mobile obstacle object, calculates distance and temperature compensating, shows then.If obstacle in safe range, only has distance indication; If in unsafe range, judgement enters hazardous location or emergency region, and communicates by letter with the artificial intelligence fuzzy controller by Port1, so that its sound and light alarm and take corresponding optimization process measure.Circuit adopts the CMOS integrated circuit, and strong interference immunity is adapted at using on the automobile.
The signalling methods of laser radar scanning rangefinder and processing unit adopts RS-232C sata standard interface communication, signal conditioning and aforementioned similar.
The physical circuit of signal processing module is referring to Fig. 2 .1, and its circuit working principle is: the signal processing module main body is the PIC16F876 micro controller system.The range finding pulse that micro controller system goes out by I/O port RC4 human hair combing waste begins counting simultaneously, promptly stops counting after I/O port RB0 receives pulse.Computed range and the temperature signal digitalisation that temperature compensation module is brought compensates institute's calculated distance then, and send display module to show.Judge simultaneously, if obstacle in safe range, only has distance indication; If in unsafe range, judgement enters hazardous location or emergency region, and communicates by letter with the artificial intelligence fuzzy controller by Port1, so that its sound and light alarm and take corresponding optimization process measure.
The physical circuit of search module is referring to Fig. 2 .2, the mouth of phase inverter U1 is connected with the input end of clock of frequency divider U2, the mouth of frequency divider U2 is connected with the input end of clock of frequency divider U3, the mouth of frequency divider U3 be connected with the input end of door U7, light is connected with the I/O port RC4 of signal processing module every the input end of U6, mouth be connected with another input end of door U7, link to each other with acquisition sensor with the mouth of door U7.The circuit working principle of search module is: 4M crystal oscillator Y1 obtains the 4M square wave after capacitor C 1, capacitor C 2 and resistance R 1 and phase inverter U1 starting of oscillation.The 4M square wave is from the 4th pin output of phase inverter U1, and the count pulse CLK end of delivering to frequency divider U2 is as counting clock.Use U2 to be herein because its CO (CARRY OUT) end output just is 10 frequency divisions (frequency is 400KHz) of CLK, and its output wave shape high level dutycycle is 50%, helps the frequency division again of back.After passing through 10 frequency divisions of frequency divider U3 equally again, the high level dutycycle that obtains 40KHz is 50% square wave and sends into and the 1st pin of door U7 is waited for.The I/O port RC4 of signal processing module PIC16F876 micro controller system links to each other with the RC4 of search module, the range finding pulse that the PIC16F876 micro controller system sends is to RC4, through drawing effect rear drive light on the resistance R 8 every the U6 conducting, through drawing on the resistance R 2, make the 2nd pin input high level with door U7, opening with door U7 and send the 40KHz range finding of waiting for pulse from its 3rd human hair combing waste, is that the acquisition sensor of 40KHz sends and searches super sonic or infrared waves thereby drive central frequency.This circuit adopts 4M crystal oscillator and 2 U2 as the range finding pulse generating circuit, its the most outstanding advantage is very stable, strict holding frequency is required 40KHz, disturbance rejection can be very strong, the pulse high level duty of its output 40KHz is 50%, power-handling capability to acquisition sensor is strong, and actv. has prolonged the distance that can survey.
The physical circuit of detection module is referring to Fig. 2 .3, the input end of phase inverter U8 links to each other with detecting sensor, mouth links to each other with amplifier U9 input end, the mouth of amplifier U9 links to each other with comparator U10 input end, the mouth of comparator U10 links to each other with the input end of dresser U11, and the mouth of dresser U11 links to each other with the I/O port RB0 of signal processing module.Detection module circuit working principle is: detecting sensor receives to be delivered to resistance R 6 behind the search signal and carries out elementary amplification to the 1st pin and the resistance R 7 of phase inverter U8 again.Signal after the amplification is from the output of the 7th pin of phase inverter U8, and the central frequency of forming through capacitor C 9 and capacitor C 10 is to deliver to amplifier U9 behind the bandpass filter of 40KHz to carry out secondary and amplify.Signal after the secondary amplification back of process amplifier U9 is amplified by its OUT pin output is to the 3rd pin of comparator U10.After signal comes out from the OUT pin of comparator U10, filter flip-flop through capacitor C 11, input to the 1st pin of dresser U11, produce interruption, make the PIC16F876 micro controller system stop counting through exporting signal processing module PIC16F876 single-chip processor i/o port RB0 pin to from the 4th pin after the shaping.The primary amplifier that this circuit adopts phase inverter U8 and resistance R 6, R7 to constitute, the small signal that is fit to backward wave amplifies input impedance height, stable performance.The use of comparator U10 has well solved and has searched for ripple directly is not sent to detecting sensor through reverberation interference problem.
Wherein, the configurable super sonic of the sensor in the search module, infradred sensor, but must central frequency be 40KHz, as: UCM-40T, SE303 etc.; The configurable corresponding super sonic of sensor in the detection module, infradred sensor, as: UCM-40R, PH302 etc., central frequency is necessary for 40KHz.
Front end laser, radar ranging signal processing circuit are referring to Fig. 3, micro controller system PIC16F876 communicates by letter with the laser radar apomecometer by sata standard interface RS-232C, obtain the distance of vehicle and obstacle, simultaneously whether the disturbance in judgement thing is in safe range, if not in safe range, communicate by letter with the artificial intelligence fuzzy controller by Portl, so that its sound and light alarm and take corresponding optimization process measure.The configurable BJ-1 semiconductor laser range instrument of laser radar apomecometer etc.
And in " electronlmobil fuzzy controller ", declared utility model patent and be authorized about " artificial intelligence controller " part, the patent No. is ZL01214493.2, its structured flowchart is as shown in Figure 4.
When the each several part of the active safety device of Vehicular intelligent is installed, different vehicles can be installed according to actual conditions, for example adopt the fixing way that is threaded respectively sensor to be fixed on car body all around, this part is finished according to actual conditions by car production producer, it should be noted that, install the emission of back sensor and the face of accepting and can not be covered live, otherwise influence normal operation.
Claims (4)
1, the active safety device of Vehicular intelligent, it is characterized in that comprising and be installed on vehicle front, rear, left and right distance measuring equipment (DME), their signal is imported range finding and signal processing unit separately respectively, range finding is input to signal the artificial intelligence controller again with signal processing unit, and the output of artificial intelligence controller connects each controlled object respectively.
2, the active safety device of Vehicular intelligent according to claim 1, it is characterized in that left and right and back range finding and signal processing unit are made of signal processing module, search module, detection module, distance indication module and temperature compensating and numeration pulse circuit etc., the signal processing module main body is the PIC16F876 micro controller system, its I/O port RC4 connects search module, I/O port RB0 connection detection module, I/O port RA0 connects temperature-compensation circuit, I/O port RC5, RC6, RC7 connect display module, and I/O port RC0 connects the numeration pulse circuit; Signal processing module and laser radar scanning rangefinder adopt RS-232C sata standard interface communication, and are connected with the artificial intelligence controller by Port1.
3, the active safety device of Vehicular intelligent according to claim 2 is characterized in that the configurable ultrasonic transduter of sensor, the infradred sensor of search module, and central frequency is necessary for 40KHz; The configurable corresponding ultrasonic transduter of the sensor of detection module, infradred sensor, central frequency also is necessary for 40KHz.
4, according to claim 1, the active safety device of 2 or 3 described Vehicular intelligents, it is characterized in that the distance measuring equipment (DME) of front end adopts the laser radar apomecometer, be connected communication by serial interface with laser, radar ranging signal processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233589 CN2607295Y (en) | 2003-03-17 | 2003-03-17 | Intelligent active safety device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03233589 CN2607295Y (en) | 2003-03-17 | 2003-03-17 | Intelligent active safety device for vehicle |
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| CN2607295Y true CN2607295Y (en) | 2004-03-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817329A (en) * | 2009-02-27 | 2010-09-01 | 日产自动车株式会社 | Vehicle driving operation support apparatus and method and vehicle |
| CN101995571A (en) * | 2010-09-17 | 2011-03-30 | 吴泽峰 | Infrared mekometer for automobile |
| CN102470832A (en) * | 2009-07-15 | 2012-05-23 | 日产自动车株式会社 | Vehicle-driving support system and vehicle-driving support method |
| CN102837658A (en) * | 2012-08-27 | 2012-12-26 | 北京工业大学 | Intelligent vehicle multi-laser-radar data integration system and method thereof |
| CN101885318B (en) * | 2009-05-15 | 2013-05-29 | 环达电脑(上海)有限公司 | Vehicle danger reminding device and method |
| CN106114479A (en) * | 2016-03-06 | 2016-11-16 | 李春 | Based on the AMRS that GPRS and micropower are wireless |
-
2003
- 2003-03-17 CN CN 03233589 patent/CN2607295Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817329A (en) * | 2009-02-27 | 2010-09-01 | 日产自动车株式会社 | Vehicle driving operation support apparatus and method and vehicle |
| CN101817329B (en) * | 2009-02-27 | 2012-09-19 | 日产自动车株式会社 | Vehicle driving operation support apparatus/process and vehicle |
| CN101885318B (en) * | 2009-05-15 | 2013-05-29 | 环达电脑(上海)有限公司 | Vehicle danger reminding device and method |
| CN102470832A (en) * | 2009-07-15 | 2012-05-23 | 日产自动车株式会社 | Vehicle-driving support system and vehicle-driving support method |
| CN102470832B (en) * | 2009-07-15 | 2014-10-08 | 日产自动车株式会社 | Vehicle-driving support system and vehicle-driving support method |
| CN101995571A (en) * | 2010-09-17 | 2011-03-30 | 吴泽峰 | Infrared mekometer for automobile |
| CN102837658A (en) * | 2012-08-27 | 2012-12-26 | 北京工业大学 | Intelligent vehicle multi-laser-radar data integration system and method thereof |
| CN102837658B (en) * | 2012-08-27 | 2015-04-08 | 北京工业大学 | Intelligent vehicle multi-laser-radar data integration system and method thereof |
| CN106114479A (en) * | 2016-03-06 | 2016-11-16 | 李春 | Based on the AMRS that GPRS and micropower are wireless |
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| CF01 | Termination of patent right due to non-payment of annual fee |