CN103818258A - Automatic vehicle speed limit control system and control method - Google Patents
Automatic vehicle speed limit control system and control method Download PDFInfo
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- CN103818258A CN103818258A CN201410066033.6A CN201410066033A CN103818258A CN 103818258 A CN103818258 A CN 103818258A CN 201410066033 A CN201410066033 A CN 201410066033A CN 103818258 A CN103818258 A CN 103818258A
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Abstract
The invention discloses an automatic vehicle speed limit control system and control method. The automatic vehicle speed limit control system comprises an automatic speed limit controller and a remote control center. The automatic speed limit controller comprises a central processor, a satellite positioning device, a wireless communication module, a speed limit database, a vehicle communication module and an overspeed alarming module, wherein the satellite positioning device, the wireless communication module, the speed limit database, the vehicle communication module and the overspeed alarming module are connected with the central processor, the satellite positioning device acquires longitude and latitude information and time information of a vehicle and transmits the longitude and latitude information and the time information to the central processor, the central processor is in communication connection with the remote control center through the wireless communication module, the vehicle communication module acquires working states of the vehicle and provides the working states of the vehicle to the central processor, speed limit values matched with the longitude and latitude information and the time information of the vehicle are prestored in the speed limit database, and the central processor is connected with an engine through a bus. Compared with the prior art, additional modification does not need to be carried out on the vehicle, a sensor does not need to be added either, key systems such as throttle control are not changed, and extreme convenience is achieved.
Description
Technical field
The present invention relates to automobile active safety field, relate in particular a kind of vehicle automatic speed-limiting control system and control method, it is in conjunction with car networking, environment sensing and much information adjustment limiting vehicle speed value and implement speed of a motor vehicle control.
Background technology
Automobile is as the most frequently used vehicle of modern society, and safety must be regarded as the most important thing.Show for great road traffic accident analysis result in recent years: the immediate cause of accident is all relevant with chaufeur traffic violation.Various factors by proportion be descendingly followed successively by that hypervelocity, misoperation, passenger vehicle are overcrowding, overloading wagon, illegal road occupation travel, fatigue driving, illegal overtake other vehicles, brake improper, drunken driving and not as prescribed give way etc.The road conditions such as simultaneously wet and slippery, the icy on road and low visibility of the inclement weather such as rain, snow, mist and the road that causes thereof worsen, and are another accidents caused key factors.As can be seen here, if can rationally control the speed of operation of vehicle, the Probability of reduction accident greatly.
Tradition speed limit means ensure by management and the punishment of speed limit mark, speed measuring point and traffic management system, because it must depend on the cooperation of chaufeur, therefore cannot fundamentally ensure certain execution of speed limit, therefore developed as Chinese Patent Application No. 03226688.X and 200820062397.7 disclosed overspeed alarm devices, to remind the hypervelocity behavior of chaufeur.Further, for the enforcement of support vehicles speed limit, adopt speed-limit device for guaranteeing that under normal running, vehicle can not exceed speed limit.
Based on such reality, many devices of adjusting speed limit regulation speed according to road speed limit, vehicle running environment in prior art, are developed, as Chinese Patent Application No. be 200520026149.3,200910251577.9 and the patent of 201010204996.X in disclose similar technology, adjust speed limit by generalized information system or seizure speed limit mark, obtain vehicle running environment by multiple sensors simultaneously and speed limit is adjusted, simultaneously regulation speed.These technology realize more complicated in speed of a motor vehicle control and environment sensing, the installation of device with realize especially for vehicle after dispatching from the factory install difficulty additional and Applicable scope is less, thereby cannot on a large amount of operating vehicles, implement at present, and generally not using chaufeur as affecting one of factor of the safety traffic speed of a motor vehicle, simultaneity factor depends on road speed limit largely, and the speed limit producing for other reasons can not flexible adaptation.
In view of this, the inventor, for the above-mentioned defect in-depth study of existing limiting vehicle speed technology, has this case to produce then.
Summary of the invention
The object of the present invention is to provide a kind of vehicle automatic speed-limiting control system based on car networking technology, it has flexibility and reliability, the feature that simple and applicability is wide.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of vehicle automatic speed-limiting control system, wherein, comprise automatic speed-limiting controller and remote center, this automatic speed-limiting controller comprises central process unit and the satellite positioning device being all connected with central process unit, wireless communication module, speed limit data bank, vehicle communication module and overspeed alarming module, this satellite positioning device obtains latitude and longitude information and the temporal information of vehicle, and longitude and latitude data and temporal information are transferred to central process unit; This central process unit is communicated by letter and is connected that speed limit data bank is carried out to Data Update with remote center by wireless communication module; This vehicle communication module is obtained the mode of operation of vehicle and mode of operation is offered to central process unit, is pre-stored with the speed limit matching with vehicle latitude and longitude information and time in this speed limit data bank, and this central process unit is connected with driving engine by bus.
Further, this satellite positioning device is the Big Dipper or gps system.
Further, the mode of operation of this vehicle comprises windscreen wiper unlatching situation, windscreen wiper gear information, head lamp and fog lamp unlatching situation and the time length that travels.
Further, this vehicle communication module is also connected to obtain vehicle wheel speed and judges tyre skidding situation with vehicle ABS system or ASR system communication.
Further, this vehicle communication module is also communicated by letter and is connected to obtain degree of fatigue and the speed of response information of chaufeur with driveway deviation alarming system, preceding paragraph collision-proof alarm and the system fatigue driving recognition system of vehicle.
Further, this vehicle communication module communicates with SAE J1939 agreement by CAN bus.
Further, this central process unit is also communicated by letter and is connected with auxiliary braking system on car.
Further, this automatic speed-limiting controller also comprises the identification module for identifying navigating mate identity, and this identification module is connected with central process unit and single chaufeur driving time is sent to central process unit.
Another object of the present invention is to provide a kind of vehicle automatic speed-limiting control method, wherein, comprise the steps:
1. speed limit data bank is set: determine corresponding speed limit as coordinate mates take vehicle latitude and longitude information and time, and vehicle latitude and longitude information, time and speed limit are formed to speed limit data bank;
2. obtain basic speed limit: registration device obtains latitude and longitude information and the temporal information of vehicle via satellite, under the control of central process unit, from speed limit data bank, transfer basic speed limit;
3. adjust and obtain actual speed limit: the mode of operation that obtains vehicle by vehicle communication module, judge vehicle environmental driver and fatigue driving situation according to mode of operation, the time modified basis speed limit obtaining in conjunction with satellite positioning device again, to obtain actual speed limit;
4. relatively judgement: contrast current vehicle speed and actual speed limit, if current vehicle speed approaches or exceedes actual speed limit, this central process unit sends control command and passes through the power output of bus communication control engine.
Further, step also comprises in the time that Control for Speed Limitation function cannot successfully reduce the speed of a motor vehicle in 4., sends the step of overspeed alarming.
Adopt after said structure, a kind of vehicle automatic speed-limiting control system and the control method that the present invention relates to, its via satellite registration device obtain latitude and longitude information and the temporal information of vehicle, from speed limit data bank, find out basic speed limit by this latitude and longitude information and temporal information again, then obtain the mode of operation of vehicle by vehicle communication module, recycle this mode of operation basic speed limit is carried out to certain correction, thereby obtain actual speed limit; Finally again the actual speed limit and the current vehicle speed that are matched with current actual conditions are compared, if current vehicle speed approaches or exceedes actual speed limit, this central process unit sends control command and exports by the power of bus communication control engine, thereby fundamentally reaches the object of limiting vehicle speed.
Compared with prior art, the present invention relates to the installation of automatic speed-limiting control system and implement except the installation of automatic speed-limiting controller, do not need vehicle to carry out extra change, also need not increase sensor, do not change the critical systems such as Throttle Opening Control, also minimum to the change of car load electrical harness, even can directly apply for many vehicles, very convenient.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of a kind of vehicle automatic speed-limiting control system that the present invention relates to;
Fig. 2 is the diagram of circuit that the present invention relates to a kind of vehicle automatic speed-limiting control method.
In figure:
Automatic speed-limiting controller 100 central process units 1
Speed limit data bank 4 vehicle communication modules 5
Overspeed alarming module 6 remote center 200.
The specific embodiment
In order further to explain technical scheme of the present invention, below by specific embodiment, the present invention will be described in detail.
As shown in Figure 1, a kind of vehicle automatic speed-limiting control system the present invention relates to, comprises automatic speed-limiting controller 100 and remote center 200, and wherein, this automatic speed-limiting controller 100 is arranged on vehicle, and this remote center 200 is positioned at management far-end.
This automatic speed-limiting controller 100 comprises central process unit 1 and the satellite positioning device 2, wireless communication module 3, speed limit data bank 4, vehicle communication module 5 and the overspeed alarming module 6 that are all connected with central process unit 1.This satellite positioning device 2 obtains latitude and longitude information and the temporal information of vehicle, and longitude and latitude data and temporal information are transferred to central process unit 1, and this satellite positioning device 2 is specifically as follows the Big Dipper or gps system.
This central process unit 1 is communicated by letter and is connected that speed limit data bank 4 is carried out to Data Update with remote center 200 by wireless communication module 3; This vehicle communication module 5 is obtained the mode of operation of vehicle and mode of operation is offered to central process unit 1, is pre-stored with the speed limit matching with vehicle latitude and longitude information and time in this speed limit data bank 4, and this central process unit 1 is connected with driving engine by bus.
For the mode of operation of this vehicle, as the most basic setting, it can comprise windscreen wiper unlatching situation, windscreen wiper gear information, head lamp and fog lamp unlatching situation and the time length that travels.As further improvement, the mode of operation of this vehicle can be tyre skidding situation, the degree of fatigue of chaufeur, speed of response information, the speed of a motor vehicle and engine operating duration etc., wherein, by windscreen wiper open and windscreen wiper gear information can judge whether rain and rainy size, unlatching by head lamp and fog lamp can judge light and visbility, judge the fatigue factor of chaufeur by the speed of a motor vehicle and engine operating duration, concrete implementation, can allow this vehicle communication module 5 also be connected to obtain vehicle wheel speed and judge tyre skidding situation with vehicle ABS system or ASR system communication, thereby collect road surface adhesion condition, and even better judge the wet and slippery road surface of road after sleet bad on the impact of the speed of a motor vehicle, after rain, the situations such as snow is rear are better processed, this vehicle communication module 5 is also communicated by letter and is connected to obtain degree of fatigue and the speed of response information of chaufeur with driveway deviation alarming system, preceding paragraph collision-proof alarm and the system fatigue driving recognition system of vehicle.
Like this, a kind of vehicle automatic speed-limiting control system and the control method that the present invention relates to, its via satellite registration device 2 obtain latitude and longitude information and the temporal information of vehicle, from speed limit data bank 4, find out basic speed limit by this latitude and longitude information and temporal information again, then obtain the mode of operation of vehicle by vehicle communication module 5, recycle this mode of operation basic speed limit is carried out to certain correction, thereby obtain actual speed limit; Finally again the actual speed limit and the current vehicle speed that are matched with current actual conditions are compared, if current vehicle speed approaches or exceedes actual speed limit, this central process unit 1 sends control command and exports by the power of bus communication control engine, thereby fundamentally reaches the object of limiting vehicle speed.
Preferably, this vehicle communication module 5 communicates with SAE J1939 agreement by CAN bus, can get the speed of a motor vehicle, engine speed and engine torque, by the rotating speed of the rotating speed moment of torsion control command TSC1 control engine in agreement, the function that moment of torsion is realized regulation speed; This speed limit mode can be enabled or close flexibly on different speed limits, depends on the content of control command completely.
When because the reason such as road grade depend merely on reduce vehicular drive cannot be by car retardation to below safe speed time, can realize deceleration by starting auxiliary braking system, specifically allow this central process unit 1 communicate by letter and be connected with auxiliary braking system on car, to send control command, control command can be signal wire (SW) or bus line command.
Preferably, this automatic speed-limiting controller 100 also comprises the identification module for identifying navigating mate identity, this identification module is connected with central process unit 1 and single chaufeur driving time is sent to central process unit 1, thereby obtains driver's fatigue state.
In the specific implementation, in order to increase the long-range function that arranges of user, described remote center 200 also has user platform, user can arrange speed limiting function by remote center 200, comprise according to actual needs specific region increase and decrease, adjustment speed limit parameter, change speed limit math model and adjust the weighing factor of the factor such as vehicle, chaufeur to speed limit, and be handed down to speed-limit device by radio communication, these arrange renewal speed limit data bank 4; This arranges function can be used to different objects, and Special Areas is as the Secure Application of school, Frequent Accidents area speed limit, for fuel-economizing before near station, while entering urban district pre-decelerating.
As shown in Figure 2, the present invention also provides a kind of vehicle automatic speed-limiting control method, wherein, comprises the steps:
1. speed limit data bank 4 is set: determine corresponding speed limit as coordinate mates take vehicle latitude and longitude information and time, and vehicle latitude and longitude information, time and speed limit are formed to speed limit data bank 4;
2. obtain basic speed limit: registration device 2 obtains latitude and longitude information and the temporal information of vehicle via satellite, under the control of central process unit 1, from speed limit data bank 4, transfer basic speed limit;
3. adjust and obtain actual speed limit: the mode of operation that obtains vehicle by vehicle communication module 5, judge vehicle environmental driver and fatigue driving situation according to mode of operation, the time modified basis speed limit obtaining in conjunction with satellite positioning device 2 again, to obtain actual speed limit;
4. relatively judgement: contrast current vehicle speed and actual speed limit, if current vehicle speed approaches or exceedes actual speed limit, this central process unit 1 sends control command and passes through the power output of bus communication control engine.Also comprise in the time that Control for Speed Limitation function cannot successfully reduce the speed of a motor vehicle in 4. in step, send the step of overspeed alarming.
Preferably, for step 3. about the adjustment to basic speed limit, wherein it is also conceivable that the factor such as performance, purposes of vehicle and adopt different speed limits and adjust strategy for different vehicle attributes, these factors are issued on the speed-limit device of corresponding vehicle after can arranging when mounted or be stored in remote center 200; These vehicle attributes, as body structure whether full carrying, ABS and ESP configuration status, retarder have or not, the different conditions such as drg form, passenger traffic, group, individual, these vehicle configuration states are preset in remote center 200 as front dress vehicle, when mounted corresponding data are carried out to typing for rear dress vehicle, and then the speed limit of realizing affecting vehicle is selected; The braking ability of vehicle, road-holding property be better can allow to adopt higher speed limit.Moreover, preferably, described automatic speed-limiting controller 100 can according to satellite positioning information by wireless module get weather forecast and road information, the diastrous weather that particularly affects road is as dense fog, sand and dust etc., the content such as road accident, temporary speed limitation, so adjusts actual speed limit based on these contents.
Compared with prior art, automatic speed-limiting control system tool of the present invention has the following advantages:
Commonality: automatic speed-limiting control system of the present invention has very high commonality, especially for commercial vehicle/comm..vehicle field, extensively adopt CAN bus as means of communication, the present invention can implement easily in the vehicle of various different models, producer, purposes, and realizes the function of restriction overspeed of vehicle;
Implement simple: in automatic speed-limiting control system of the present invention, provide by vehicle windscreen wiper, light, ABS mode of operation for the identification of environmental information, do not need the extra sensor such as rainfall, illumination; By communicating with the original ECU (Electrical Control Unit) of vehicle, obtain the information such as the speed of a motor vehicle, not needing to increase sensor carries out the speed of a motor vehicle and obtains, control to vehicle realizes by bus line command, for most of commercial car, driving engine is all supported the communication protocol of SAE J1939, can realize change and the control to engine power output by moment of torsion/rotating speed control command of TSC1, does not need to change the critical system such as body harness, throttle control signal for vehicle control;
Flexible function: can carry out by platform of user management setting and the change of speed limit relevant information, according to the extraordinary circumstances of user's demand and vehicle real-world operation circuit, realize flexibly the Control for Speed Limitation function based on the different objects such as safety, fuel-economizing;
Perfect speed limit math model: automatic speed limit device of the present invention is considered more perfect for the influence factor of limiting vehicle speed value, introduce vehicle maneuverability and vehicular applications qualitative factor, considered the impact on time of driver's reaction of the driving time of chaufeur, tired situation simultaneously and then safe speed is adjusted.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present invention.
Claims (10)
1. a vehicle automatic speed-limiting control system, it is characterized in that, comprise automatic speed-limiting controller and remote center, this automatic speed-limiting controller comprises central process unit and the satellite positioning device being all connected with central process unit, wireless communication module, speed limit data bank, vehicle communication module and overspeed alarming module, this satellite positioning device obtains latitude and longitude information and the temporal information of vehicle, and longitude and latitude data and temporal information are transferred to central process unit; This central process unit is communicated by letter and is connected that speed limit data bank is carried out to Data Update with remote center by wireless communication module; This vehicle communication module is obtained the mode of operation of vehicle and mode of operation is offered to central process unit, is pre-stored with the speed limit matching with vehicle latitude and longitude information and time in this speed limit data bank, and this central process unit is connected with driving engine by bus.
2. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, is characterized in that, this satellite positioning device is the Big Dipper or gps system.
3. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, is characterized in that, the mode of operation of this vehicle comprises windscreen wiper unlatching situation, windscreen wiper gear information, head lamp and fog lamp unlatching situation and the time length that travels.
4. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, is characterized in that, this vehicle communication module is also connected to obtain vehicle wheel speed and judges tyre skidding situation with vehicle ABS system or ASR system communication.
5. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, it is characterized in that, this vehicle communication module is also communicated by letter and is connected to obtain degree of fatigue and the speed of response information of chaufeur with driveway deviation alarming system, preceding paragraph collision-proof alarm and the system fatigue driving recognition system of vehicle.
6. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, is characterized in that, this vehicle communication module communicates with SAE J1939 agreement by CAN bus.
7. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, is characterized in that, this central process unit is also communicated by letter and is connected with auxiliary braking system on car.
8. a kind of vehicle automatic speed-limiting control system as claimed in claim 1, it is characterized in that, this automatic speed-limiting controller also comprises the identification module for identifying navigating mate identity, and this identification module is connected with central process unit and single chaufeur driving time is sent to central process unit.
9. a vehicle automatic speed-limiting control method, is characterized in that, comprises the steps:
1. speed limit data bank is set: determine corresponding speed limit as coordinate mates take vehicle latitude and longitude information and time, and vehicle latitude and longitude information, time and speed limit are formed to speed limit data bank;
2. obtain basic speed limit: registration device obtains latitude and longitude information and the temporal information of vehicle via satellite, under the control of central process unit, from speed limit data bank, transfer basic speed limit;
3. adjust and obtain actual speed limit: the mode of operation that obtains vehicle by vehicle communication module, judge vehicle environmental driver and fatigue driving situation according to mode of operation, the time modified basis speed limit obtaining in conjunction with satellite positioning device again, to obtain actual speed limit;
4. relatively judgement: contrast current vehicle speed and actual speed limit, if current vehicle speed approaches or exceedes actual speed limit, this central process unit sends control command and passes through the power output of bus communication control engine.
10. a kind of vehicle automatic speed-limiting control method as claimed in claim 9, is characterized in that, step also comprises in the time that Control for Speed Limitation function cannot successfully reduce the speed of a motor vehicle in 4., sends the step of overspeed alarming.
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| CN104129304A (en) * | 2014-08-07 | 2014-11-05 | 成都信鑫信息技术有限公司 | Intelligent speed limiting system of motor vehicle |
| CN104149688A (en) * | 2014-08-12 | 2014-11-19 | 桂林电子科技大学 | Vehicle speed reminding device and method |
| CN104376721A (en) * | 2014-11-21 | 2015-02-25 | 深圳市华宝电子科技有限公司 | Speed limiting method and device based on vehicle data recorder |
| CN106080195A (en) * | 2016-07-08 | 2016-11-09 | 深圳市赛格导航科技股份有限公司 | Automobile intelligent speed limiting instrument based on car networking |
| CN106218407A (en) * | 2016-07-27 | 2016-12-14 | 安徽聚润互联信息技术有限公司 | A kind of speed limit alarm system based on bus and method |
| CN106564374A (en) * | 2016-10-20 | 2017-04-19 | 深圳市元征科技股份有限公司 | Vehicle speed control method and device |
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| CN104129304A (en) * | 2014-08-07 | 2014-11-05 | 成都信鑫信息技术有限公司 | Intelligent speed limiting system of motor vehicle |
| CN104149688A (en) * | 2014-08-12 | 2014-11-19 | 桂林电子科技大学 | Vehicle speed reminding device and method |
| CN104376721A (en) * | 2014-11-21 | 2015-02-25 | 深圳市华宝电子科技有限公司 | Speed limiting method and device based on vehicle data recorder |
| CN106080195A (en) * | 2016-07-08 | 2016-11-09 | 深圳市赛格导航科技股份有限公司 | Automobile intelligent speed limiting instrument based on car networking |
| CN106218407A (en) * | 2016-07-27 | 2016-12-14 | 安徽聚润互联信息技术有限公司 | A kind of speed limit alarm system based on bus and method |
| CN106564374A (en) * | 2016-10-20 | 2017-04-19 | 深圳市元征科技股份有限公司 | Vehicle speed control method and device |
| CN106564374B (en) * | 2016-10-20 | 2020-11-13 | 深圳市元征科技股份有限公司 | Vehicle speed control method and device |
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Application publication date: 20140528 |