Durability testing stand of electric power-assisted steering system

An electric power steering, system life technology, applied in the direction of vehicle steering/jump performance, mechanical component testing, machine/structural component testing, etc. Achieve the effect of simplifying the structure, reducing the cost of manufacturing and testing
CN101017117AInactive Publication Date: 2007-08-15TSINGHUA UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2007-08-15
Estimated Expiration
Not applicable · inactive patent

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Abstract

This invention relates to one motor aid rotation system life test bench, which comprises tested EPS sample, signal generation module, display meter module and load device, wherein, the EPS sample comprises rotation disc, rotation part, rotation sensor and motor bus and controller; controller is to send the voltage signal into motor bus and to sensor with work power and to send the fault signal into display meter module; motor bus is connected with mechanic system through acceleration device with output end connected with load device; signal generation module is connected to controller, display device module.
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Description

technical field

[0001] The present invention relates to a life test bench of an automobile electric power steering system (hereinafter referred to as EPS), in particular to a life test bench using some functional components of the EPS itself as functional components of the test bench. Background technique

[0002] Steering system is a key component of automobile driving safety, and it is very necessary to carry out life test on it. The existing steering system life test bench is mainly equipped with a power drive device that replaces manual steering manipulation, a sensor assembly that detects steering manipulation force and angle, and a loading device that simulates steering resistance, which are used for data collection and processing, test bench fault detection, The control module with functions such as safety alarm and automatic stop test, the display instrument module for displaying the test status, and the signal generation module are composed, as shown in Figure 1. ...

Claims

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