Research on Bench Test System for Vehicle ABS Performance

2013 ◽  
Vol 321-324 ◽  
pp. 1633-1636
Author(s):  
Ji Du He ◽  
Yong Jun Zheng ◽  
Yu Tan ◽  
Gang Wu ◽  
Zhao Feng Liu
Keyword(s):  
Asynchronous Motor ◽  
Performance Testing ◽  
Test System ◽  
Wheel Speed ◽  
Bench Test ◽  
Testing System ◽  
Energy Compensation ◽  
Speed Change ◽  
Systematic Structure ◽  
Bench Testing

According to the ideal wheel speed change curve during the ABS braking and the vehicle inertia electromechanical mixed analog principle, the bench testing system for vehicle ABS performance was designed. In order to improve the reliability of the wheel velocity detection and optimize the systematic structure, the method of using the free roller to detect wheel speed and the regenerative braking energy compensation of asynchronous motor were proposed. The results show that designed test bench system can achieve ABS performance testing.

Research of Resonant Machine Nonlinear Vibrating Characteristics

2014 ◽  
Vol 494-495 ◽  
pp. 641-644
Author(s):  
Hua Kai Wang
Keyword(s):  
Time Integration ◽  
Coupling Model ◽  
Test System ◽  
Bench Test ◽  
Testing System ◽  
Amplitude Curve ◽  
Core Component ◽  
Kinematic Equation ◽  
Stress Curve ◽  
Bench Testing

Studying the core component of the resonant machine by building the bench test system, utilizing the nonlinear analysis function of Abaqus/Explicit to solve the problem that the rigid-flexible coupling model can`t take the material nonlinearity into adequate consideration. Simulating the nonlinearity of the vibrating beam by doing time integration over the kinematic equation to obtain an accurate and reliable result. Firstly, simplifying the bench testing system to simulating the low frequent vibration; And then, comparing the acceleration root value between the test data and the simulating result on the characteristically point to check the reliability and accuracy of the simulation; By studying the hammer vibrating amplitude curve and shear stress curve changing along the rubber spring thickness, providing a preference for the optimization.

Research on Hydraulic Components Test System Based on Proportional Control Technology

2014 ◽  
Vol 912-914 ◽  
pp. 744-747
Author(s):  
Yao Li ◽  
Jian Gang Yi
Keyword(s):  
Performance Testing ◽  
Test System ◽  
Testing System ◽  
Control Technology ◽  
System Construction ◽  
Hydraulic Systems ◽  
Proportional Control ◽  
Production Problem

Proportional control technology is widely used in many hydraulic systems. In order to measure the characteristics of hydraulic components, it is necessary to establish hydraulic components test system based on proportional control technology. In this paper, the test contents of hydraulic components are analyzed, the performance testing system is designed, the system construction is presented, and the computer test software is developed. The application results showed that the developed system has good value, which can not only be used directly in enterprise to solve the production problem, but also improve the utilization and reliability of hydraulic components.

Disquisition of Testing System for BMBS Vacuum Booster

2012 ◽  
Vol 190-191 ◽  
pp. 1351-1354
Author(s):  
Yan Shi ◽  
Yi Lu ◽  
Xue Ying Wang
Keyword(s):  
High Speed ◽  
Computer Control ◽  
Performance Testing ◽  
Test System ◽  
Testing System ◽  
Test Items ◽  
Sealing Performance ◽  
On Line ◽  
High Speed Data ◽  
Line Test

To solve the problem of testing BMBS (BLOW-OUT MONITORING AND BRAKE SYSTEM) vacuum booster performance, a double-station and on-line test system for BMBS vacuum booster was designed. It adopts high-speed data collection method and computer control technology. This system can test the performance in non-BMBS condition and BMBS condition. The test items mainly include dynamic characteristic and sealing performance under each condition. The double stations are independent and have no interference with each other. The system fills up the blank of performance testing about BMBS vacuum booster. To verify this system, experiments were conducted with the vacuum booster which installed the BMBS technology. The experiment results show that the system can do well in testing the performance of BMBS vacuum booster in high precision. The sealing performance resolution is 0.01kPa and the pressure resolution is 1N.

The Research of Performance Test System of Seals in Hydraulic Support Column

2012 ◽  
Vol 468-471 ◽  
pp. 2542-2545
Author(s):  
Xi Zhang ◽  
Ping Zhao ◽  
Yu Bai
Keyword(s):  
Performance Test ◽  
Performance Testing ◽  
Hydraulic Cylinder ◽  
Test System ◽  
Testing System ◽  
Test Bed ◽  
Hydraulic Support ◽  
Practical Applications ◽  
Testing Method ◽  
Purchasing Process

In order to solve the problem that there is no appropriate testing method for the purchasing process of sealing washer in hydraulic support producing company at present, the author designed a test bed used to test the seal performance of hydraulic cylinder in the mine hydraulic support to provide database supports for purchasing sealing washer for hydraulic support manufacturers, by using the performance testing system of sealing washer worked upright column for hydraulic support. The introduction of the principles, constitutions and functions of the test bed will be shown in this paper. After a number of experiments, it is reflected by the practical applications that the test bed is operating stably, accurately and efficiently which could be used for testing sealing washer.

Development of the Performance Testing System for Radio Fuze

2011 ◽  
Vol 383-390 ◽  
pp. 661-666
Author(s):  
Ya Zhou Chen ◽  
Wang Lin
Keyword(s):  
Performance Test ◽  
Performance Testing ◽  
Dipole Antenna ◽  
Test System ◽  
Testing System ◽  
Performance Parameters ◽  
Plate Method ◽  
Performance Indexes ◽  
Frequency Meter ◽  
Security And Reliability

To assure the security and reliability of radio fuze, its performance must be test. A performance test system of radio fuze is developed, which is based on the theory of the pushing plate method according to the performance indexes written in the national military standard. The testing system which is composed of dipole antenna, frequency meter, multimeter and oscilloscope can test the main performance parameters of radio fuze. It is proved that the testing system can carry out the performance test of radio fuze steadily.

Study of the Testing System for Roadheader Pump and Motor

2015 ◽  
Vol 727-728 ◽  
pp. 761-764
Author(s):  
Xin Zhang ◽  
Ji Long Zhao ◽  
Qing Liang Zeng
Keyword(s):  
High Precision ◽  
High Speed ◽  
Processing System ◽  
Performance Testing ◽  
Test System ◽  
Sensor Technology ◽  
Testing System ◽  
Signal Acquisition ◽  
Data Acquisition Card ◽  
Signal Acquisition And Processing

For the performance testing demands of roadheader hydraulic components, a hydraulic system of multi-interface and high-precision sensors is built and the signal acquisition and processing system based on PLC and data acquisition card high speed acquisition module is established. A software system based on LabWindows/CVI is developed. High precision, reliability, stable and functional test system is built by using precise sensor technology, electro-hydraulic proportional control technology and automation instrument technology, and then the pump and motor performance tests is completed. The system can simulate the actual working conditions of the pump and motor, making the test results more accurate and credible.

Framework and performance analysis of college English testing system based on data mining technology

2021 ◽  
pp. 1-11
Author(s):  
Liu Narengerile ◽  
Li Di ◽  
Keyword(s):  
Data Mining ◽  
Test System ◽  
Test Time ◽  
Testing System ◽  
Test Results ◽  
System Software ◽  
Examination System ◽  
Mining Technology ◽  
College English ◽  
And Performance

At present, the college English testing system has become an indispensable system in many universities. However, the English test system is not highly humanized due to problems such as unreasonable framework structure. This paper combines data mining technology to build a college English test framework. The college English test system software based on data mining mainly realizes the computer program to automatically generate test papers, set the test time to automatically judge the test takers’ test results, and give out results on the spot. The test takers log in to complete the test through the test system software. The examination system software solves the functions of printing test papers, arranging invigilation classrooms, invigilating teachers, invigilating process, collecting test papers, scoring and analyzing test papers in traditional examinations. Finally, this paper analyzes the performance of this paper through experimental research. The research results show that the system constructed in this paper has certain practical effects.

System Level Bench Test for Trailing Arm Strength Estimation

2006 ◽  
Author(s):  
Jaychandar Muthu ◽  
Kanak Soundrapandian ◽  
Jyoti Mukherjee
Keyword(s):  
Failure Mode ◽  
Real Life ◽  
Element Model ◽  
Suspension System ◽  
System Level ◽  
Bench Test ◽  
Component Level ◽  
Arm Strength ◽  
Bench Testing ◽  
Nonlinear Finite Element Model

For suspension components, bench testing for strength is mostly accomplished at component level. However, replicating loading and boundary conditions at the component level in order to simulate the suspension system environment may be difficult. Because of this, the component's bench test failure mode may not be similar to its real life failure mode in vehicle environment. A suspension system level bench test eliminates most of the discrepancies between simulated component level and real life vehicle level environments resulting in higher quality bench tests yielding realistic test results. Here, a suspension level bench test to estimate the strength of its trailing arm link is presented. A suspension system level nonlinear finite element model was built and analyzed using ABAQUS software. The strength loading was applied at the wheel end. The analysis results along with the hardware test correlations are presented. The reasons why a system level test is superior to a component level one are also highlighted.

Piston Ring-Cylinder Bore Friction Modeling in Mixed Lubrication Regime: Part II—Correlation With Bench Test Data

1999 ◽  
Vol 123 (1) ◽  
pp. 219-223 ◽  
Author(s):  
Ozgen Akalin ◽  
Golam M. Newaz
Keyword(s):  
Friction Coefficient ◽  
Test Data ◽  
Piston Ring ◽  
Normal Load ◽  
Test System ◽  
Mixed Lubrication ◽  
Contact Temperature ◽  
Bench Test ◽  
Crank Angle ◽  
Contact Width

A bench friction test system for piston ring and liner contact, which has high stroke length and large contact width has been used to verify the analytical mixed lubrication model presented in a companion paper (Part 1). This test system controls the speed, temperature and lubricant amount and records the friction force, loading force, crank angle signal and contact temperature data simultaneously. The effects of running speed, applied normal load, contact temperature and surface roughness on friction coefficient have been investigated for conventional cast-iron cylinder bores. Friction coefficient predictions are presented as a function of crank angle position and results are compared with bench test data. Analytical results correlated well with bench test results.

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