CN110779736A - System for testing ESC performance of vehicle - Google Patents
System for testing ESC performance of vehicle Download PDFInfo
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- CN110779736A CN110779736A CN201911220712.3A CN201911220712A CN110779736A CN 110779736 A CN110779736 A CN 110779736A CN 201911220712 A CN201911220712 A CN 201911220712A CN 110779736 A CN110779736 A CN 110779736A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention provides a system for testing the performance of a vehicle ESC, relates to the technical field of ESC performance testing, and mainly solves the technical problem of intelligent detection of the performance of the vehicle ESC. The invention is composed of a sensor group, a processing module and an output module which are connected in sequence. 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. According to the invention, through the multi-sensor fusion of the sensor group, the quantitative test is used for replacing the subjective evaluation of the working content of the driver, the development and verification period of the vehicle ESC performance and the vehicle ESC product is shortened, and the objectivity of the vehicle ESC performance and the product evaluation is improved.
Description
Technical Field
The invention relates to the technical field of ESC performance testing, in particular to a system for testing the ESC performance of a vehicle.
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.
Disclosure of Invention
One of the purposes of the invention is to provide a system for testing the performance of the vehicle ESC, which solves the technical problem of intelligent detection of the performance of the vehicle ESC in the prior art. Advantageous effects can be achieved in preferred embodiments of the present invention, as described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention relates to a system for testing ESC performance of a vehicle, which comprises:
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 system for testing the ESC performance of the vehicle provided by the invention at least has the following beneficial technical effects:
the invention relates to a system for testing the ESC performance of a vehicle, which consists of a sensor group, a processing module and an output module which are sequentially connected, wherein the sensor group at least comprises: a gyroscope, and a vehicle ESC rollover protection shelf sensor. According to the invention, through the multi-sensor fusion of the sensor group, the quantitative test is used for replacing the work content of subjective evaluation of a driver, the qualitative to quantitative conversion of the test work of the vehicle ESC performance is promoted, the development and verification period of the vehicle ESC performance and the vehicle ESC product is shortened, and the objectivity of the vehicle ESC performance and the product evaluation is improved. The invention can also analyze and test the ESC performance of the vehicle more comprehensively, in multiple directions and with high efficiency.
The invention not only adopts the gyroscope to test the parameters of the acceleration, the speed and the like of the vehicle and evaluate the basic performance of the ESC of the vehicle, but also adopts the vehicle body sensor group, the in-vehicle sensor group and the vehicle perception sensor group to comprehensively test the performance of the ESC of the vehicle, so that the test index is more comprehensive, the feedback data is richer, the evaluation of the local posture of the vehicle body in the function action process of the ESC of the vehicle is more objective, and the more professional evaluation capability of the ESC performance test of the vehicle can be formed on the 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view 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 more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1, the invention is a system for testing the performance of a vehicle ESC, which is composed of 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 ESC performance of the vehicle is detected in all directions through the sensor group 1, and more sensor acquisition parameters are introduced by 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 method has more comprehensive testing indexes of ESC performance, has richer feedback data, is more objective to evaluate the local posture of the vehicle body in the ESC function action process, and can form more professional ESC testing evaluation capability on the basis. The invention also replaces the work content of subjective evaluation drivers by multi-sensor fusion and quantitative test, promotes the conversion of the test work of ESC performance from qualitative to quantitative, and improves the test efficiency of the ESC performance of vehicles and the objectivity of analysis results. Therefore, the invention can also promote to shorten the development and verification period of ESC products, provide a reliable proposal for ESC performance optimization, and can make up a part of quantitative evaluation blind areas of subjective evaluation drivers.
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 invention adopts the CAN bus analyzer 153, the CAN bus analyzer 153 solves the data exchange among a plurality of electronic control modules (ECUs) in the modern automobile, and the CAN bus analyzer is 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 scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220712.3A CN110779736A (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 |
|---|---|---|---|
| CN201911220712.3A CN110779736A (en) | 2019-12-03 | 2019-12-03 | System for testing ESC performance of vehicle |
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| CN110779736A true CN110779736A (en) | 2020-02-11 |
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| CN201911220712.3A Pending CN110779736A (en) | 2019-12-03 | 2019-12-03 | System for testing ESC performance of vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551921A (en) * | 2021-07-20 | 2021-10-26 | 招商局检测车辆技术研究院有限公司 | Vehicle ESC performance evaluation method |
| CN114434466A (en) * | 2022-03-14 | 2022-05-06 | 交通运输部公路科学研究所 | Automobile intelligent cockpit performance evaluation simulation robot |
| CN114937319A (en) * | 2022-06-02 | 2022-08-23 | 重庆长安汽车股份有限公司 | Vehicle data processing method and device, electronic equipment and medium |
-
2019
- 2019-12-03 CN CN201911220712.3A patent/CN110779736A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551921A (en) * | 2021-07-20 | 2021-10-26 | 招商局检测车辆技术研究院有限公司 | Vehicle ESC performance evaluation method |
| CN114434466A (en) * | 2022-03-14 | 2022-05-06 | 交通运输部公路科学研究所 | Automobile intelligent cockpit performance evaluation simulation robot |
| CN114937319A (en) * | 2022-06-02 | 2022-08-23 | 重庆长安汽车股份有限公司 | Vehicle data processing method and device, electronic equipment and medium |
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Address after: 400000 9 Xinjin Avenue, high tech Zone, Jiulongpo District, Chongqing Applicant 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 Applicant before: CHONGQING VEHICLE TEST & Research Institute |