CN101037088A - Method and device for controlling the safe distance between automobiles for the automobile cruising control system - Google Patents
Method and device for controlling the safe distance between automobiles for the automobile cruising control system Download PDFInfo
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- CN101037088A CN101037088A CN 200610024713 CN200610024713A CN101037088A CN 101037088 A CN101037088 A CN 101037088A CN 200610024713 CN200610024713 CN 200610024713 CN 200610024713 A CN200610024713 A CN 200610024713A CN 101037088 A CN101037088 A CN 101037088A
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Abstract
A safe distance controlling method for an automobile cruise control system comprises employing a distance measuring radar to real-timely detect the distance between a vehicle and another vehicle ahead, transmitting the detected distance signal to a control module of the automobile cruise control system, employing a speed transducer to obtain a speed signal, transmitting the speed signal to the control module, employing the control module to compare the inputted distance signal with a preset warning distance at the current speed in the control module, sending a cruise state exit instruction signal by the control module to a executing mechanism when the distance signal is smaller than the warning distance, and simultaneously sending an deceleration and brake signal to the vehicle behind. The apparatus capable of implementing the method is composed of a distance measuring radar and an automatic cruise control device, the distance measuring radar connects with the microprocessor in the automatic cruise control device via a signal modem, an A-D converter and a digital ratio filter. The invention can effectively prevent rear-end collision accidents from occurring, and provide safety guarantee to the moving vehicles.
Description
Technical field:
The present invention relates to automotive field, relate in particular to the electron controls technology of automotive operation, the particularly auto-cruising control technology of automobile, concrete is a kind of method and device that is used for the control safe distance between vehicles of Cruise Control System.
Background technology:
At present, intermediate car all is equipped with automatic cruise control system.The Vehicle Speed signal that automatic cruise control system is gathered by car speed sensor is manually set toy vehicle velocity value by button switch.Car speed sensor and button switch all are connected to a control module, the toy vehicle velocity value that control module is set the speed signal and the chaufeur of collection compares, when the variation of vehicle of cruising owing to windage, road resistance, when the speed of a motor vehicle is lower than setting value, control module will be sent the instruction that strengthens engine throttle opening, strengthen engine throttle opening by the actuating unit that links to each other with control module, otherwise when the speed of a motor vehicle is higher than setting value, reduce engine throttle opening.So, make the vehicle that cruises keep the moving velocity of setting.
But, automatic cruise control system of the prior art, the roadblock and the too small situation of spacing that occur in can't perception vehicle ' process.Must observe obstacle and the too small situation of spacing in person by chaufeur, and artificially withdraw from cruise function, perhaps step on brake pedal and withdraw from cruising condition by button switch control.Therefore chaufeur is not when long-distance running fatigue, energy are concentrated or the speed of a motor vehicle and spacing got the wrong sow by the ear, cruising condition can not be withdrawed from time, the traffic accident of vehicle rear-end collision might take place, so there is certain potential safety hazard in use in existing automatic cruise control system.
Summary of the invention:
The purpose of this invention is to provide a kind of method that is used for the control safe distance between vehicles of Cruise Control System, the described this method that is used for the control safe distance between vehicles of Cruise Control System will solve the roadblock that the prior art Cruise Control System occurs in can't perception vehicle ' process and the technical matters of the too small situation of spacing.
This method that is used for the control safe distance between vehicles of Cruise Control System of the present invention, comprise a process of utilizing Cruise Control System Control of Automobile driver train and stop mechanism to slow down, described Cruise Control System is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor, utilize in the process that Cruise Control System Control of Automobile driver train and stop mechanism slow down described, control module is to actuating unit output braking and restriction signal, finish by actuating unit and to withdraw from cruising condition and deceleration, wherein, utilize a range only radar to detect the distance of vehicle and front truck in real time, the spacing signal that detect to obtain is sent to control module in the Cruise Control System, utilize described car speed sensor acquisition vehicle speed signal and be delivered to control module, utilize control module with the warning under the current vehicle speed default in spacing signal and the control module of input apart from contrasting in real time, the spacing signal less than the warning apart from the time, utilize the command signal interface output energizing signal of control module, utilize control module to slow down or speed-slackening signal to the signalling apparatus output of vehicle to actuating unit.
Further, described range only radar detects the distance of vehicle and front truck in real time, obtain high-frequency carrier signal, utilize signal modem to convert high-frequency carrier signal to voltage signal, utilize A and D converter to convert voltage signal to digital quantity from analog quantity, utilize the digital ratio filter to detect the threshold values of digital quantity again, and the threshold values signal is delivered to control module in real time.
Further, utilize a data storage and management module stores control program, and store car is corresponding and the warning distance parameter of cruising speed.
The present invention also aims to provide a kind of device of realizing the method for the above-mentioned control safe distance between vehicles that is used for Cruise Control System, described this device is made of range only radar and automatic cruise control system, described automatic cruise control system is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor, wherein, described range only radar is connected with signal modem, described signal modem is connected with high-speed AD converter, described high-speed AD converter is connected with the digital ratio filter, described digital ratio filter is connected with described microprocessor, described microprocessor is connected with vehicle signal input interface and vehicle signal output interface, and described microprocessor is connected with and shows and the remote alarm interface module.
Further, described microprocessor is a micro controller system.
Further, described microprocessor is connected with data storage and administration module.
Further, described microprocessor is externally connected to watchdog circuit.
Further, described range only radar is arranged on the front portion of vehicle, and described automatic cruise control system is arranged on the interior of body of vehicle.
Concrete, range only radar described in the present invention, automatic cruise control system and signal modem, high-speed AD converter and digital ratio filter all adopt technical scheme of the prior art, about range only radar, automatic cruise control system and signal modem, high-speed AD converter and digital ratio filter technical scheme in the prior art, those skilled in the art all understands, so do not repeat them here.
Principle of work of the present invention is: during vehicle cruise, be installed in the range only radar of front part of vehicle that monitor with range signal front truck be high-frequency carrier signal, signal modem converts high-frequency carrier signal to voltage signal and sends into high speed analog-digital conversion (D/A) conv, under the effect of A and D converter, analog quantity is converted to digital quantity, detect threshold values by the digital ratio filter again, the threshold values signal is delivered to control module (micro controller system) in real time.The cooresponding warning distance parameter of the different cruising speeds of vehicle, in advance in the embedded system control program of programming back, be stored in data storage and the administration module, control module contrasts the parameter set in the spacing signal of input and the program in real time, and the real-time status parameter of automotive operation is provided by parameter input module.When the spacing signal less than set the cooresponding warning of the speed of a motor vehicle apart from the time, control module is exported energizing signal simultaneously to the relevant output interface of automobile (braking, restriction signal), is finished by actuating unit and withdraws from cruising condition and deceleration.Simultaneously, control module is to demonstration, remote alarm interface module and output energizing signal, and rearward vehicle sends deceleration and speed-slackening signal simultaneously, and car prevents to knock into the back after reminding.
The present invention and prior art contrast, and its effect is actively with tangible.The present invention has added when cruising and has withdrawed from cruise function automatically and send sound and light alarm less than the warning spacing on the basis of existing automatic navigation of vehicle function, just sends speed-slackening signal simultaneously and remind the back car when car retardation.The present invention can prevent effectively that rear-end collision from taking place, guarantee driving safety, and the safety protection function of raising cruise system has good social benefit.
Description of drawings:
Fig. 1 is the theory structure scheme drawing of device of realizing the method for the above-mentioned control safe distance between vehicles that is used for Cruise Control System among the present invention.
The specific embodiment:
As shown in Figure 1, the method that is used for the control safe distance between vehicles of Cruise Control System of the present invention, comprise a process of utilizing Cruise Control System Control of Automobile driver train and stop mechanism to slow down, described Cruise Control System is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor, utilize in the process that Cruise Control System Control of Automobile driver train and stop mechanism slow down described, control module is to actuating unit output braking and restriction signal, finish by actuating unit and to withdraw from cruising condition and deceleration, wherein, utilize a range only radar to detect the distance of vehicle and front truck in real time, the spacing signal that detect to obtain is sent to control module in the Cruise Control System, utilize described car speed sensor acquisition vehicle speed signal and be delivered to control module, utilize control module with the warning under the current vehicle speed default in spacing signal and the control module of input apart from contrasting in real time, the spacing signal less than warning apart from the time, utilize control module to the command signal interface of actuating unit output energizing signal.
Further, described range only radar detects the distance of vehicle and front truck in real time, obtain high-frequency carrier signal, utilize signal modem to convert high-frequency carrier signal to voltage signal, utilize A and D converter to convert voltage signal to digital quantity from analog quantity, utilize the digital ratio filter to detect the threshold values of digital quantity again, and the threshold values signal is delivered to control module in real time.
Further, the spacing signal less than warning apart from the time, utilize control module to slow down or speed-slackening signal to the output of the signalling apparatus of vehicle.
Further, utilize a data storage and management module stores control program, and store car is corresponding and the warning distance parameter of cruising speed.
The present invention also aims to provide a kind of device of realizing the method for the above-mentioned control safe distance between vehicles that is used for Cruise Control System, described this device is made of range only radar 1 and automatic cruise control system, described automatic cruise control system is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor 2, wherein, described range only radar 1 is connected with signal modem 3, described signal modem 3 is connected with high-speed AD converter 4, described high-speed AD converter 4 is connected with digital ratio filter 5, described digital ratio filter 5 is connected with described microprocessor 2, and described microprocessor 2 is connected with vehicle signal input interface 7 and vehicle signal output interface 8.
Further, described microprocessor 2 is connected with and shows and remote alarm interface module 6.
Further, described microprocessor 2 is micro controller systems.
Further, described microprocessor 2 is connected with data storage and administration module 9.
Further, described microprocessor 2 is externally connected to watchdog circuit 10.
Further, described range only radar 1 is arranged on the front portion of vehicle, and described automatic cruise control system is arranged on the interior of body of vehicle.
Claims (8)
1. method that is used for the control safe distance between vehicles of Cruise Control System, comprise a process of utilizing Cruise Control System Control of Automobile driver train and stop mechanism to slow down, described Cruise Control System is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor, utilize in the process that Cruise Control System Control of Automobile driver train and stop mechanism slow down described, control module is to actuating unit output braking and restriction signal, finish by actuating unit and to withdraw from cruising condition and deceleration, it is characterized in that: utilize a range only radar to detect the distance of vehicle and front truck in real time, the spacing signal that detect to obtain is sent to control module in the Cruise Control System, utilize described car speed sensor acquisition vehicle speed signal and be delivered to control module, utilize control module with the warning under the current vehicle speed default in spacing signal and the control module of input apart from contrasting in real time, the spacing signal less than the warning apart from the time, utilize the command signal interface output energizing signal of control module, utilize control module to slow down or speed-slackening signal to the signalling apparatus output of vehicle to actuating unit.
2. the method that is used for the control safe distance between vehicles of Cruise Control System as claimed in claim 1, it is characterized in that: described range only radar detects the distance of vehicle and front truck in real time, obtain high-frequency carrier signal, utilize signal modem to convert high-frequency carrier signal to voltage signal, utilize A and D converter to convert voltage signal to digital quantity from analog quantity, utilize the digital ratio filter to detect the threshold values of digital quantity again, and the threshold values signal is delivered to control module in real time.
3. the method that is used for the control safe distance between vehicles of Cruise Control System as claimed in claim 1 is characterized in that: utilize a data storage and management module stores control program, and store car is corresponding and the warning distance parameter of cruising speed.
4. device of realizing the method for the control safe distance between vehicles that is used for Cruise Control System as claimed in claim 1, constitute by range only radar and automatic cruise control system, described automatic cruise control system is by control module, car speed sensor, button switch and actuating unit constitute, described car speed sensor, button switch is connected with control module respectively with actuating unit, control module is made of microprocessor, it is characterized in that: described range only radar is connected with signal modem, described signal modem is connected with high-speed AD converter, described high-speed AD converter is connected with the digital ratio filter, described digital ratio filter is connected with described microprocessor, described microprocessor is connected with vehicle signal input interface and vehicle signal output interface, and described microprocessor is connected with and shows and the remote alarm interface module.
5. realization as claimed in claim 4 is used for the device of method of the control safe distance between vehicles of Cruise Control System, and it is characterized in that: described microprocessor is a micro controller system.
6. realization as claimed in claim 4 is used for the device of method of the control safe distance between vehicles of Cruise Control System, and it is characterized in that: described microprocessor is connected with data storage and administration module.
7. realization as claimed in claim 4 is used for the device of method of the control safe distance between vehicles of Cruise Control System, and it is characterized in that: described microprocessor is externally connected to watchdog circuit.
8. realization as claimed in claim 4 is used for the device of method of the control safe distance between vehicles of Cruise Control System, and it is characterized in that: described range only radar is arranged on the front portion of vehicle, and described automatic cruise control system is arranged on the interior of body of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610024713 CN101037088A (en) | 2006-03-15 | 2006-03-15 | Method and device for controlling the safe distance between automobiles for the automobile cruising control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610024713 CN101037088A (en) | 2006-03-15 | 2006-03-15 | Method and device for controlling the safe distance between automobiles for the automobile cruising control system |
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| CN101037088A true CN101037088A (en) | 2007-09-19 |
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| CN 200610024713 Pending CN101037088A (en) | 2006-03-15 | 2006-03-15 | Method and device for controlling the safe distance between automobiles for the automobile cruising control system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126499A (en) * | 2011-01-25 | 2011-07-20 | 上海市金山区青少年活动中心 | Control device for automatically judging headway and controlling gears |
| CN101425106B (en) * | 2008-11-06 | 2011-09-14 | 清华大学 | Mathematical quantisation method for vehicle multiple target coordinating type self-adapting cruise control performance |
| CN102795110A (en) * | 2012-08-29 | 2012-11-28 | 绍兴文理学院 | Cruise control system of automobile |
| CN101767539B (en) * | 2008-12-30 | 2013-01-02 | 比亚迪股份有限公司 | Automobile cruise control method and cruise device |
| CN103010213A (en) * | 2012-12-28 | 2013-04-03 | 长城汽车股份有限公司 | Control method and control system for vehicle cruise |
| WO2014056335A1 (en) * | 2012-10-13 | 2014-04-17 | 广州微点焊设备有限公司 | Electromagnetic levitation force type propulsion device |
| CN104092346A (en) * | 2013-05-24 | 2014-10-08 | 广州微点焊设备有限公司 | Suspension-electromagnetic-force power device |
| CN104276166A (en) * | 2013-07-05 | 2015-01-14 | 苏州巨寿智能科技有限公司 | Active type automobile indicating system |
| CN104369670A (en) * | 2013-08-15 | 2015-02-25 | 深圳市赛格导航科技股份有限公司 | Vehicle speed control method and system |
| CN104483137A (en) * | 2014-12-11 | 2015-04-01 | 安徽江淮汽车股份有限公司 | Automatic driving device for rack test of electric automobile and automatic control method thereof |
| CN105270176A (en) * | 2015-10-29 | 2016-01-27 | 郑州宇通客车股份有限公司 | Safety distance keeping control method and safety distance keeping control system |
| CN110525430A (en) * | 2019-07-16 | 2019-12-03 | 武汉力神动力电池系统科技有限公司 | A kind of BMS battery management integrated system of included radar defencive function |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
| CN114458486A (en) * | 2013-11-11 | 2022-05-10 | 印度摩托车国际有限公司 | Vehicle and method of operating cruise control assembly for vehicle |
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2006
- 2006-03-15 CN CN 200610024713 patent/CN101037088A/en active Pending
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425106B (en) * | 2008-11-06 | 2011-09-14 | 清华大学 | Mathematical quantisation method for vehicle multiple target coordinating type self-adapting cruise control performance |
| CN101767539B (en) * | 2008-12-30 | 2013-01-02 | 比亚迪股份有限公司 | Automobile cruise control method and cruise device |
| CN102126499A (en) * | 2011-01-25 | 2011-07-20 | 上海市金山区青少年活动中心 | Control device for automatically judging headway and controlling gears |
| CN102795110A (en) * | 2012-08-29 | 2012-11-28 | 绍兴文理学院 | Cruise control system of automobile |
| WO2014056335A1 (en) * | 2012-10-13 | 2014-04-17 | 广州微点焊设备有限公司 | Electromagnetic levitation force type propulsion device |
| CN103010213B (en) * | 2012-12-28 | 2016-07-20 | 长城汽车股份有限公司 | The control method of a kind of vehicle cruise and control system |
| CN103010213A (en) * | 2012-12-28 | 2013-04-03 | 长城汽车股份有限公司 | Control method and control system for vehicle cruise |
| CN104092346A (en) * | 2013-05-24 | 2014-10-08 | 广州微点焊设备有限公司 | Suspension-electromagnetic-force power device |
| WO2014187195A1 (en) * | 2013-05-24 | 2014-11-27 | 广州微点焊设备有限公司 | Suspension electromagnetic power apparatus |
| CN104092346B (en) * | 2013-05-24 | 2017-10-10 | 广州微点焊设备有限公司 | Suspension electromagnetic-forcpower power unit |
| CN104276166A (en) * | 2013-07-05 | 2015-01-14 | 苏州巨寿智能科技有限公司 | Active type automobile indicating system |
| CN104369670A (en) * | 2013-08-15 | 2015-02-25 | 深圳市赛格导航科技股份有限公司 | Vehicle speed control method and system |
| CN114458486A (en) * | 2013-11-11 | 2022-05-10 | 印度摩托车国际有限公司 | Vehicle and method of operating cruise control assembly for vehicle |
| CN104483137A (en) * | 2014-12-11 | 2015-04-01 | 安徽江淮汽车股份有限公司 | Automatic driving device for rack test of electric automobile and automatic control method thereof |
| CN105270176A (en) * | 2015-10-29 | 2016-01-27 | 郑州宇通客车股份有限公司 | Safety distance keeping control method and safety distance keeping control system |
| CN110525430A (en) * | 2019-07-16 | 2019-12-03 | 武汉力神动力电池系统科技有限公司 | A kind of BMS battery management integrated system of included radar defencive function |
| CN110525430B (en) * | 2019-07-16 | 2020-10-30 | 武汉力神动力电池系统科技有限公司 | BMS battery management integrated system with radar protection function |
| CN112061027A (en) * | 2020-07-30 | 2020-12-11 | 南京英锐创电子科技有限公司 | Vehicle-mounted alarm system, vehicle-mounted alarm method and computer equipment |
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