CN211825030U - System for testing ESC performance of vehicle - Google Patents
System for testing ESC performance of vehicle Download PDFInfo
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- CN211825030U CN211825030U CN201922140381.4U CN201922140381U CN211825030U CN 211825030 U CN211825030 U CN 211825030U CN 201922140381 U CN201922140381 U CN 201922140381U CN 211825030 U CN211825030 U CN 211825030U
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Abstract
The utility model provides a test system to vehicle ESC performance relates to ESC capability test technical field, has mainly solved the technical problem to vehicle ESC performance intellectual detection system. The utility model discloses a constitute by the sensor group, processing module and the output module that connect gradually. The sensor group is used for collecting ESC performance parameters of the detected vehicle; the processing module is used for analyzing the ESC performance parameters to obtain an ESC performance evaluation result; the output module is used for outputting the ESC performance evaluation result; wherein the sensor group comprises at least: a gyroscope, and a vehicle ESC rollover protection shelf sensor. The utility model discloses a multisensor of sensor group fuses, makes quantitative test replace subjective aassessment driver's work content, shortens the development verification cycle to vehicle ESC performance and vehicle ESC product, improves the objectivity to vehicle ESC performance and product evaluation.
Description
Technical Field
The utility model relates to a ESC capability test technical field especially relates to a test system to vehicle ESC performance.
Background
In the era of rapid increase of automobile popularity, the requirements of consumers on automobiles are not only limited on appearance, comfort and economy, but also the attention on the safety of the automobiles is increasingly raised. Both active safety devices and passive safety devices are being developed under the drive of scientific and technical development and improvement of production processes, and among them, a vehicle electronic stability control system (ESC) is a typical representative.
However, domestic ESC products are still in the initial stages of research and development of trial assembly, matching and verification, the safety performance of ESC products can be basically met, the evaluation on comfort and reliability is also in the research stage, the quantitative parameters in the ESC performance test process are too few, and the test scenes of incomplete revising and recovering of various test results are not enough, and the difference is larger compared with the foreign rigorous test and adjustment method. Moreover, debugging, verification and testing of the performance of the ESC product are in a primary stage, subjective evaluation can be carried out only by using an experienced driver, the experience accumulation of the subjective evaluation driver needs a quite severe process, and the ESC product is lack of such professionals in China and cannot meet the requirement of the rapid development period of the conventional ESC product.
Therefore, the testing of ESC performance needs to be solved in an objective and scientific manner.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of them purpose is in order to provide a to the test system of vehicle ESC performance, has solved among the prior art to vehicle ESC performance intellectual detection system's technical problem. The utility model discloses a great deal of beneficial effect can be reached in the preferred embodiment, specifically see the following explanation.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model discloses a test system to vehicle ESC performance, it includes:
the sensor group is used for collecting ESC performance parameters of the detected vehicle;
the processing module is used for analyzing the ESC performance parameters to obtain an ESC performance evaluation result;
the output module is used for outputting the ESC performance evaluation result;
wherein the sensor group comprises at least: a gyroscope, and a vehicle ESC rollover protection shelf sensor.
Further, the vehicle ESC anti-rollover frame sensor comprises: an acceleration sensor and a force sensor which are arranged on the supporting arm of the vehicle ESC rollover prevention frame.
Further, the sensor group further includes: a vehicle body sensor group, the vehicle body sensor group comprising at least: laser rangefinder sensor, and, the camera.
Further, the sensor group further includes: in-vehicle sensor group, in-vehicle sensor group includes at least:
the steering robot is used for acquiring steering moment, steering angle and steering rate data of a steering wheel;
the accelerator robot is used for acquiring feedback force of an accelerator pedal and speed data of the accelerator pedal;
the brake robot is used for acquiring data of brake pedal feedback force and brake pedal speed
Further, the sensor group further includes:
a vehicle-aware sensor set, the vehicle-aware sensor set comprising at least:
the acousto-optic alarm collector is used for collecting information whether the vehicle exceeds a threshold value and sending alarm information;
the brake pressure sensor is used for acquiring pressure data of the brake;
CAN bus analyzer for collecting data of engine speed, engine torque, engine limit value, ESC working state, valve group pressure and valve group opening
Furthermore, the laser ranging sensor is installed outside the vehicle body and used for measuring vehicle body attitude data.
Furthermore, the camera is installed outside the vehicle body and used for collecting vehicle body motion image information.
Further, the camera is a high-precision path testing camera.
Furthermore, the camera, and, laser rangefinder sensor all is a plurality of, installs along the automobile body periphery of surveyed vehicle.
Further, the steering robot is mounted on a steering wheel; the accelerator robot is arranged on an accelerator pedal; and the brake robot is arranged on the brake pedal.
Further, the output module includes: the display module and/or the voice broadcast module.
The utility model provides a pair of test system to vehicle ESC performance has following beneficial technological effect at least:
the utility model relates to a test system to vehicle ESC performance, it comprises the sensor group, processing module and the output module that connect gradually, wherein, sensor group includes at least: a gyroscope, and a vehicle ESC rollover protection shelf sensor. The utility model discloses a multisensor of sensor group fuses, makes the quantification test replace subjective aassessment driver's work content, promotes the test work to vehicle ESC performance from qualitative to quantitative conversion, shortens the development verification cycle to vehicle ESC performance and vehicle ESC product, improves the objectivity to vehicle ESC performance and product evaluation. The utility model discloses can also carry out more comprehensive, diversified, high-efficient ground analysis and test to vehicle ESC performance.
The utility model discloses not only adopt the gyroscope to test vehicle acceleration, speed isoparametric, aassessment vehicle ESC basic performance has still adopted automobile body sensor group, interior sensor group of car and vehicle perception sensor group, carry out comprehensive test to vehicle ESC performance, and make the test index more comprehensive, feedback data is abundanter, still to vehicle ESC function effect in-process automobile body local gesture evaluation will be more objective, can form the evaluation ability to vehicle ESC capability test of more specialty on this basis.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1 is a sensor group, 2 is a processing module, and 3 is an output module;
11-a gyroscope, 12-a vehicle ESC rollover prevention frame sensor, 13-a vehicle body sensor group, 14-an in-vehicle sensor group and 15-a vehicle sensing sensor group;
121-acceleration sensor, 122-force sensor;
131-a laser ranging sensor, 132-a camera;
141-steering robot, 142-throttle robot, 143-braking robot;
151-acousto-optic alarm collector, 152-brake pressure sensor, 153-CAN bus analyzer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model relates to a system for testing the performance of an ESC of a vehicle, which comprises a sensor group 1, a processing module 2 and an output module 3 which are connected in sequence;
the sensor group 1 is used for collecting ESC performance parameters of a detected vehicle;
the processing module 2 is used for analyzing the ESC performance parameters to obtain an ESC performance evaluation result;
the output module 3 is used for outputting the ESC performance evaluation result;
wherein the sensor group 1 comprises at least: a gyroscope 11, and a vehicle ESC rollover prevention shelf sensor 12.
It should be noted that the processing module 2 at least includes any one of the following:
microprocessor, singlechip, DSP chip, PLC chip, FPGA chip, CPLD chip.
The utility model carries out omnibearing detection on the ESC performance of the vehicle through the sensor group 1, and introduces more sensor acquisition parameters through the fusion technology of multiple sensors; the collected parameters are analyzed by the processing module 2 to obtain an evaluation result, and the output module 3 outputs the result of objective evaluation. The utility model discloses test index to ESC performance is more comprehensive, and feedback data is abundanter, and it will be more objective to ESC function effect in-process automobile body local gesture evaluation, can form the ESC test evaluation ability of more specialty on this basis. The utility model discloses still fuse through the multisensor, replace subjective aassessment driver's work content through quantitative test, promote the test work of ESC performance from qualitative to quantitative conversion, improve the efficiency of software testing to vehicle ESC performance and the objectivity of analysis result. Therefore, the utility model discloses can also make and shorten ESC product development verification cycle, provide reliable suggestion scheme to ESC performance optimization, can compensate subjective evaluation driver's a part quantitative evaluation blind area.
The vehicle ESC anti-rollover sensor 12 includes: an acceleration sensor 121 disposed on the arm of the ESC rollover prevention frame of the vehicle, and a force sensor 122. The acceleration sensor 121 is used for measuring resistance data borne by the movement of the vehicle body; the force sensor 122 is used to measure vehicle body motion acceleration and limit angle data.
The sensor group 1 further includes:
a vehicle body sensor group 13, said vehicle body sensor group 13 comprising at least: a laser ranging sensor 131, and a camera 132.
The laser ranging sensor 131 is mounted outside the vehicle body and used for measuring vehicle body attitude data; and a camera 132 installed outside the vehicle body for collecting vehicle body moving image information. The camera 132 is a high precision path testing camera. The plurality of cameras 132 and the plurality of laser ranging sensors 131 are mounted along the periphery of the vehicle body of the vehicle to be tested.
The sensor group 1 further includes:
an in-vehicle sensor group 14, the in-vehicle sensor group 14 at least comprising:
the steering robot 141 is used for acquiring steering moment, steering angle and steering rate data of a steering wheel;
the accelerator robot 142 is used for acquiring feedback force of an accelerator pedal and speed data of the accelerator pedal;
and the brake robot 143 is used for acquiring data of brake pedal feedback force and brake pedal speed.
The steering robot 141 is mounted on a steering wheel; the accelerator robot 142 is mounted on an accelerator pedal; the brake robot 143 is mounted on a brake pedal.
Preferably, the steering robot 141, the throttle robot 142, and the braking robot 143 may be products of ABDymics.
It should be noted that the steering robot 141 is capable of applying precise and controllable input excitation to the vehicle steering system instead of controlling the steering wheel by a human driver, and is widely applied to vehicle tests, including vehicle transient handling characteristics, ADAS active safety system tests, relevant standard tests (fishhook, sine stagnation, etc.), steering system performance evaluation, endurance and abuse tests. The device has various input signals, high input instruction precision and strong repeatability, and can quickly acquire high-quality test data.
The brake robot 143, which can accurately apply inputs to the brake pedal of the vehicle, is used for measurement of the braking characteristics and the steering characteristics of the vehicle. It is typically used to apply a step or ramp braking force or position input to the brake pedal. It can also incorporate a suitable feedback sensor for controlling vehicle deceleration or brake line pressure.
The sensor group 1 further includes:
a vehicle sensing sensor group 15, said vehicle sensing sensor group 15 comprising at least:
the sound-light alarm collector 151 is used for monitoring and collecting information whether the vehicle exceeds a threshold value and sending alarm information;
a brake pressure sensor 152 for collecting pressure data of the brake;
and the CAN bus analyzer 153 is used for acquiring the data of the engine speed, the engine torque, the engine limit value, the ESC working state, the valve bank pressure and the valve bank opening.
Wherein the brake pressure sensor 152 is a pressure sensor placed on the brake pipe of the vehicle.
It can be understood that the sound and light alarm collector 151 collects and monitors data of the vehicle when exceeding the limit condition of the threshold value, and then generates alarm information.
The brake pressure sensor 152 detects the pressure of the accumulator, outputs an on/off signal of the oil pump, and gives an alarm of an abnormality of the oil pressure. A semiconductor strain gauge is arranged in the semiconductor strain gauge, and the characteristic that the resistance of the strain gauge changes when the shape of the strain gauge changes is utilized; in addition, the metal diaphragm is arranged, the change of the pressure is detected through the metal diaphragm strain gauge, and the change is converted into an electric signal and then is output to the outside.
The utility model discloses a CAN bus analysis appearance 153, CAN bus analysis appearance 153 have solved the data interchange between numerous electronic control module (ECU) in the modern automobile, are a serial data bus. The data bus is a common channel for operating data among modules, the data bus connects the ECUs of each functional component together, and a large amount of data information and control information flow on the bus to realize information exchange among the ECUs of each functional component. Therefore, the CAN bus analyzer 153 has the advantages of strong real-time performance, long transmission distance, strong anti-electromagnetic interference capability, low cost and the like; the method also has the advantages of strong error detection capability, capability of working in a high-noise interference environment and the like.
The output module 3 includes: the display module and/or the voice broadcast module.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A system for testing ESC performance of a vehicle, comprising:
the sensor group is used for collecting ESC performance parameters of the detected vehicle;
the processing module is used for analyzing the ESC performance parameters to obtain an ESC performance evaluation result;
the output module is used for outputting the ESC performance evaluation result;
wherein the sensor group comprises at least: a gyroscope, and a vehicle ESC rollover protection shelf sensor.
2. The test system of claim 1,
the vehicle ESC rollover protection shelf sensor comprises: an acceleration sensor and a force sensor which are arranged on the supporting arm of the vehicle ESC rollover prevention frame.
3. The test system of claim 2, wherein the set of sensors further comprises:
a vehicle body sensor group, the vehicle body sensor group comprising at least: laser rangefinder sensor, and camera.
4. The test system of claim 2, wherein the set of sensors further comprises:
in-vehicle sensor group, in-vehicle sensor group includes at least:
the steering robot is used for acquiring steering moment, steering angle and steering rate data of a steering wheel;
the accelerator robot is used for acquiring feedback force of an accelerator pedal and speed data of the accelerator pedal;
and the brake robot is used for acquiring data of the feedback force of the brake pedal and the speed of the brake pedal.
5. The test system of claim 2, wherein the set of sensors further comprises:
a vehicle-aware sensor set, the vehicle-aware sensor set comprising at least:
the acousto-optic alarm collector is used for collecting information whether the vehicle exceeds a threshold value and sending alarm information;
the brake pressure sensor is used for acquiring pressure data of the brake;
and the CAN bus analyzer is used for acquiring the data of the rotating speed of the engine, the torque of the engine, the limit value of the engine, the ESC working state, the pressure of the valve bank and the opening degree of the valve bank.
6. The test system of claim 3,
the laser ranging sensor is arranged outside the vehicle body and used for measuring vehicle body attitude data;
the camera is arranged outside the vehicle body and used for collecting vehicle body motion image information.
7. The test system of claim 6,
the camera is a high-precision path testing camera.
8. The test system of claim 6,
the camera, and, laser rangefinder sensor all is a plurality of, installs along the automobile body periphery of surveyed vehicle.
9. The test system of claim 4,
the steering robot is arranged on a steering wheel;
the accelerator robot is arranged on an accelerator pedal;
and the brake robot is arranged on the brake pedal.
10. The test system of any one of claims 1 to 9, wherein the output module comprises:
the display module and/or the voice broadcast module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140381.4U CN211825030U (en) | 2019-12-03 | 2019-12-03 | System for testing ESC performance of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140381.4U CN211825030U (en) | 2019-12-03 | 2019-12-03 | System for testing ESC performance of vehicle |
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| CN211825030U true CN211825030U (en) | 2020-10-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779736A (en) * | 2019-12-03 | 2020-02-11 | 重庆车辆检测研究院有限公司 | System for testing ESC performance of vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779736A (en) * | 2019-12-03 | 2020-02-11 | 重庆车辆检测研究院有限公司 | System for testing ESC performance of vehicle |
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Address after: 400000 9 Xinjin Avenue, high tech Zone, Jiulongpo District, Chongqing Patentee after: China Merchants Testing Vehicle Technology Research Institute Co.,Ltd. Address before: 400000 plot ad02-4 / 01, ad sub district, Xiyong group, Jiulongpo District, Chongqing Patentee before: CHONGQING VEHICLE TEST & Research Institute |