CN105818815A - Method for detecting road condition information by using OBD (On-Board Diagnostics) - Google Patents
Method for detecting road condition information by using OBD (On-Board Diagnostics) Download PDFInfo
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- CN105818815A CN105818815A CN201510012896.XA CN201510012896A CN105818815A CN 105818815 A CN105818815 A CN 105818815A CN 201510012896 A CN201510012896 A CN 201510012896A CN 105818815 A CN105818815 A CN 105818815A
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Abstract
The invention discloses a method for detecting road condition information by using OBD (On-Board Diagnostics). An accelerometer and a gyroscope are additionally arranged on an OBD connector, the changes of the acceleration and the angular velocity of a vehicle on the XYZ axes are detected in real time, real-time calculation is performed through the current location information of the vehicle obtained by combining a digital processor and a GPS module to acquire the movement information of the vehicle and gesture information in the space, to obtain the up-down bumping condition of the vehicle at the moment, so that the road condition when the vehicle runs is obtained. The method can effectively prevent the happening of accidents, and the detection system has the advantages of low cost, high efficiency and the like.
Description
Technical field
The present invention relates to the technical field of automotive safety and warning device, a kind of method carrying out traffic information detection particularly to OBD of utilization.
Background technology
OBD interface is a kind of automobile real time diagnostic data communication interface, existing technology obtains and collects automobile real time data by automobile OBD interface or OBDII interface, user can obtain real-time running computer diagnostic information, such as engine speed, engine temperature, each sensor information etc., at running car or maintenance period, these information of acquisition can be supplied to producer and do quick diagnosis and maintenance reference, but people can not obtain traffic information, so that can not find that pavement behavior is adopted an effective measure trouble-saving generation in time.
Summary of the invention
For problem of the prior art, the present invention provides a kind of method that OBD of utilization carries out traffic information detection, to solve the problems of the prior art.
Technical scheme is as follows:
A kind of OBD of utilization carries out the method for traffic information detection, comprises the steps:
S1: automobile detection system and automobile mounted self-diagnosable system (OBD) carry out data initialization, concurrently set described automobile bumpiness threshold value；
S2: described detecting system obtains automobile acceleration on XYZ tri-direction of principal axis and angular velocity situation of change information data by the accelerometer on vehicle-mounted self-diagnosis system interface and gyroscope；
S3: described detecting system judges whether to need to detect automobile in real time according to the data message obtained, if it is, perform step S4, if it does not, perform step S2；
The utilization of S4: described digital processing unit is opened Thalmann filter and the data message of described acceleration and angular velocity is filtered fusion treatment execution road condition resolving；
S5: described detecting system judges whether the automobile bumpiness threshold value reaching to set by described road condition calculation result, if it is, perform step S6, if it does not, perform step S2；
S6: described road condition calculation result reaches the automobile bumpiness threshold value set, then by equipment alarm module, automobile is carried out warning information output.
Further, described warning information also includes utilizing GPS locating module to obtain described current car position information.
Further, in described step S4, road condition process of solution is as follows:
S41: described in open Thalmann filter the data of described accelerometer and gyroscope are filtered process；
S42: described digital processing unit utilizes the data message of described current car position information that GPS locating module obtains and described acceleration and angular velocity to carry out complementary filter fusion, and utilize data message to before and after described automobile and upper-lower position resolves, to obtain movable information and the attitude information in space of automobile；
Above-mentioned road conditions calculation result is stored by S43: described detecting system.
Further, described OBD equipment includes GPS locating module, accelerometer, gyroscope, OBD, digital processing unit and alarm module；
Described GPS locating module is connected with described digital processing unit, can obtain the positional information of automobile in time；
Described accelerometer is connected with described digital processing unit, and the pickup value obtained is inputted described digital processing unit；
Described gyroscope is connected with described digital processing unit, and the automobile magnitude of angular velocity obtained is inputted described digital processing unit；
Described alarm module is connected with described digital processing unit, according to traffic information calculation result outputting alarm information；
Described accelerometer and gyroscope are positioned on described OBD interface.
The invention has the beneficial effects as follows: the detecting system of the present invention is by adding accelerometer and gyroscope on OBD interface, measure automobile acceleration on XYZ tri-direction of principal axis and the situation of change of angular velocity in real time, and by digital processing unit combine GPS locating module obtain described current car position information carry out real-time resolving, to obtain movable information and the attitude information in space of automobile, draw the automobile situation that pitches now, thus road conditions when learning running car, can effective trouble-saving generation, and this detecting system has low cost, efficiency advantages of higher.
Accompanying drawing explanation
Fig. 1 is that the present invention utilizes OBD to carry out the flow chart of method of traffic information detection；
Fig. 2 is traffic information calculation method flow chart of the present invention；
Fig. 3 is detecting system structural framing figure of the present invention.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, technical solution of the present invention is described further with accompanying drawing below in conjunction with embodiment, the content that embodiment is mentioned not limitation of the invention.
Carry out the method for traffic information detection with reference to Fig. 1, a kind of OBD of utilization, comprise the steps:
S1: automobile detection system and automobile mounted self-diagnosable system (OBD) carry out data initialization, concurrently set described automobile bumpiness threshold value；
S2: described detecting system obtains automobile acceleration on XYZ tri-direction of principal axis and angular velocity situation of change information data by the accelerometer on vehicle-mounted self-diagnosis system interface and gyroscope；
S3: described detecting system judges whether to need to detect automobile in real time according to the data message obtained, if it is, perform step S4, if it does not, perform step S2；
The utilization of S4: described digital processing unit is opened Thalmann filter and the data message of described acceleration and angular velocity is filtered fusion treatment execution road condition resolving；
S5: described detecting system judges whether the automobile bumpiness threshold value reaching to set by described road condition calculation result, if it is, perform step S6, if it does not, perform step S2；
S6: described road condition calculation result reaches the automobile bumpiness threshold value set, then by equipment alarm module, automobile is carried out warning information output.
Specifically, described warning information also includes utilizing GPS locating module to obtain described current car position information.
Specifically, with reference to Fig. 2, in described step S4, road condition process of solution is as follows:
S41: described in open Thalmann filter the data of described accelerometer and gyroscope are filtered process；
S42: described digital processing unit utilizes the data message of described current car position information that GPS locating module obtains and described acceleration and angular velocity to carry out complementary filter fusion, and utilize data message to before and after described automobile and upper-lower position resolves, to obtain movable information and the attitude information in space of automobile；
Above-mentioned road conditions calculation result is stored by S43: described detecting system.
Specifically, with reference to Fig. 3, described OBD equipment includes GPS locating module 1, accelerometer 2, gyroscope 3, OBD4, digital processing unit 5 and alarm module 6；
Described GPS locating module 1 is connected with described digital processing unit 5, can obtain the positional information of automobile in time；
Described accelerometer 2 is connected with described digital processing unit 5, and the pickup value obtained is inputted described digital processing unit；
Described gyroscope 3 is connected with described digital processing unit 5, and the automobile magnitude of angular velocity obtained is inputted described digital processing unit；
Described alarm module 6 is connected with described digital processing unit 5, according to traffic information calculation result outputting alarm information；
Described accelerometer 2 and gyroscope 3 are positioned on the interface of described OBD4.
It is more than the better embodiment of the present invention, but embodiment is not for limiting the present invention.Without departing from the spirit and scope of the invention, any equivalence change done or retouching, also belong to the protection domain of the present invention.Therefore the content that protection scope of the present invention should be defined with claims hereof is as standard.
Claims (4)
1. one kind utilizes the method that OBD carries out traffic information detection, it is characterised in that comprise the steps:
S1: automobile detection system and automobile mounted self-diagnosable system (OBD) carry out data initialization, concurrently set described automobile bumpiness threshold value；
S2: described detecting system obtains automobile acceleration on XYZ tri-direction of principal axis and angular velocity situation of change information data by the accelerometer on vehicle-mounted self-diagnosis system interface and gyroscope；
S3: described detecting system judges whether to need to detect automobile in real time according to the data message obtained, if it is, perform step S4, if it does not, perform step S2；
The utilization of S4: described digital processing unit is opened Thalmann filter and the data message of described acceleration and angular velocity is filtered fusion treatment execution road condition resolving；
S5: described detecting system judges whether the automobile bumpiness threshold value reaching to set by described road condition calculation result, if it is, perform step S6, if it does not, perform step S2；
S6: described road condition calculation result reaches the automobile bumpiness threshold value set, then by ALM module, automobile is carried out warning information output.
The OBD of utilization the most according to claim 1 carries out the method for traffic information detection, it is characterised in that described warning information also includes utilizing GPS locating module to obtain described current car position information.
The OBD of utilization the most according to claim 1 carries out the method for traffic information detection, it is characterised in that in described step S4, road condition process of solution is as follows:
S41: described in open Thalmann filter the data of described accelerometer and gyroscope are filtered process；
S42: described digital processing unit utilizes the data message of described current car position information that GPS locating module obtains and described acceleration and angular velocity to carry out complementary filter fusion, and utilize data message to before and after described automobile and upper-lower position resolves, to obtain movable information and the attitude information in space of automobile；
Above-mentioned road conditions calculation result is stored by S43: described detecting system.
The OBD of utilization the most according to claim 1 carries out the method for traffic information detection, it is characterised in that described detecting system includes GPS locating module, accelerometer, gyroscope, OBD, digital processing unit and alarm module；
Described GPS locating module is connected with described digital processing unit, can obtain the positional information of automobile in time；
Described accelerometer is connected with described digital processing unit, and the pickup value obtained is inputted described digital processing unit；
Described gyroscope is connected with described digital processing unit, and the automobile magnitude of angular velocity obtained is inputted described digital processing unit；
Described alarm module is connected with described digital processing unit, according to traffic information calculation result outputting alarm information；
Described accelerometer and gyroscope are positioned on described OBD interface.
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| CN106384515A (en) * | 2016-11-18 | 2017-02-08 | 杭州好好开车科技有限公司 | Vehicle speed fitting method by combining obd and sensing equipment |
| CN107421516A (en) * | 2017-07-25 | 2017-12-01 | 崔志春 | A kind of road condition analyzing method and road condition analyzing instrument apparatus |
| CN107650912A (en) * | 2017-09-30 | 2018-02-02 | 北京奇虎科技有限公司 | Road conditions alarm method and device based on automobile |
| CN107807056A (en) * | 2017-10-23 | 2018-03-16 | 上海理工大学 | A kind of auto parts and components lesion assessment system based on acceleration loading spectrum |
| CN107977896A (en) * | 2017-12-21 | 2018-05-01 | 江西爱驰亿维实业有限公司 | The accounting method and device that car insurance is taken |
| CN108896063A (en) * | 2018-05-31 | 2018-11-27 | 同济大学 | A kind of identification of gyroscope road condition and reminding method based on bus or train route collaboration |
| US10272826B2 (en) * | 2017-05-08 | 2019-04-30 | Patrick Lynn Daylong | Programmable multiple phase warning light system |
| CN109830125A (en) * | 2019-01-08 | 2019-05-31 | 沈阳无距科技有限公司 | Information cuing method, device, storage medium and electronic equipment |
| CN110155066A (en) * | 2018-02-13 | 2019-08-23 | 阿里巴巴集团控股有限公司 | One kind is jolted detection, method for early warning, device, equipment and system |
| CN110210339A (en) * | 2019-05-19 | 2019-09-06 | 瑞立集团瑞安汽车零部件有限公司 | A method of the Multi-sensor Fusion for ECAS system identifies road bump |
| CN110823484A (en) * | 2018-08-10 | 2020-02-21 | 广州小鹏汽车科技有限公司 | Vehicle safety monitoring method, device, medium and equipment |
| CN110986938A (en) * | 2019-12-26 | 2020-04-10 | 斑马网络技术有限公司 | Bumpy road identification method and device and electronic equipment |
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| CN108896063A (en) * | 2018-05-31 | 2018-11-27 | 同济大学 | A kind of identification of gyroscope road condition and reminding method based on bus or train route collaboration |
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| CN110210339A (en) * | 2019-05-19 | 2019-09-06 | 瑞立集团瑞安汽车零部件有限公司 | A method of the Multi-sensor Fusion for ECAS system identifies road bump |
| CN110986938A (en) * | 2019-12-26 | 2020-04-10 | 斑马网络技术有限公司 | Bumpy road identification method and device and electronic equipment |
| CN110986938B (en) * | 2019-12-26 | 2023-09-12 | 斑马网络技术有限公司 | Bumpy road identification method and device and electronic equipment |
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