Testing system for integral vehicle running station

A motion state, measurement system technology, applied in measurement devices, vehicle testing, mapping and navigation, etc., can solve problems such as large measurement errors, poor test repeatability, and inability to use on wet roads, and improve reliability and robustness. , the effect of reducing complexity and good fault-tolerant performance
CN1869630AInactive Publication Date: 2006-11-29JILIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
JILIN UNIV
Publication Date
2006-11-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an automobile movement state measuring system for automobile movement safety evaluation field test, providing a complete automobile movement state measuring system based on RTKDGPS and high accuracy IMU for automobile performance field test, and the system comprises high accuracy GPS receiver, high accuracy inertia measuring unit (IMU), embedded special processing system and corresponding interfaces, where the original data collected by the high accuracy GPS receiver and IMU are together transmitted through the respective interfaces into the embedded special processing system, and the embedded special processing system runs GPS data coordinate transform, preprocessing module, inertia navigating system (INS) algorithm module, improved Kalman filter fusion algorithm software and real-timely records and displays and supplies high accuracy automobile movement states including acceleration, angular speed, automobile speed, displacement, and posture through interface to upper computer.
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Description

technical field

[0001] The invention relates to an automobile movement state measurement system used for field tests of automobile movement safety performance evaluation. Background technique

[0002] Automobile test is an extremely important method to help us understand the nature and laws of various phenomena in actual use of automobiles, discuss and solve existing problems, verify the effect and degree of problem solving, and promote its technological progress. Performance, an important means to improve product quality and market competitiveness.

[0003] Automobile field road test concentrates on the typical road conditions of various road conditions in the actual use of automobiles. It is mutually verified, interdependent and complementary with the virtual test methods such as automobile indoor tests and driving simulators popular this year. One of the most important means to comprehensively test and evaluate the safety performance and reliability of motor sports. [...

Claims

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