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Multi-dimensional electric vehicle test bench and test method

A vehicle test, multi-dimensional technology, applied in vehicle testing, machine/structural component testing, instruments, etc., can solve the problem of difficult to reproduce the driver's life, car body structure dangerous test conditions, impossible vehicle testing, replacement testing Vehicle process is cumbersome and other issues

Pending Publication Date: 2022-07-15
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The results of the road test are limited by the external environmental conditions, while the outdoor bench test may be affected by uncertain factors such as weather and road environment during the test, and it is difficult to reproduce the threat to the life of the driver and the structure of the car body in the road test. dangerous test conditions
In addition, vehicles with different wheelbases and wheelbases cannot be tested in outdoor road experiments, and the process of replacing test vehicles is relatively cumbersome

Method used

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  • Multi-dimensional electric vehicle test bench and test method

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Embodiment Construction

[0040] In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

[0041] The terms "first", "second", "third" and "fourth" in the description and claims of the present application and the drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "comprising" and "having", and any variations thereof, are intended to cover non-exclusi...

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Abstract

The invention discloses a multi-dimensional electric vehicle test bench, which comprises a test bench, a feedback control system, a data acquisition system and a Dspace computing platform, the test bench comprises a hydraulic actuator, a double-roller structure, a universal transmission structure, a rotating speed sensor, an electromagnetic clutch, a flywheel, a dynamometer, a bench supporting structure, a transverse loading system and a vertical loading system, and the test bench is used for supporting and testing operation parameters of the whole electric vehicle. According to the invention, some basic performance tests can be carried out, and dangerous test working conditions which are difficult to realize and even threaten the life of a driver and a vehicle body structure in a road test can be recovered. Meanwhile, modular design is carried out on the rack, so that the use requirements of testing vehicles with different axle distances and wheel distances can be met.

Description

technical field [0001] The present application relates to the field of electric vehicle testing, in particular to a multi-dimensional electric vehicle test bench and a test method. Background technique [0002] At present, the performance test of the whole electric vehicle generally takes the road test as the main test method, and the related technology lacks the bench for testing the whole vehicle. The results of the road test are limited by the external environmental conditions, while the outdoor bench test may be affected by uncertain factors such as weather and road environment during the test, and it is difficult to reproduce the life of the driver and the structure of the car body that threaten the road test. hazardous test conditions. In addition, vehicles with different wheelbases and wheelbases cannot be tested in outdoor road experiments, and the process of replacing test vehicles is cumbersome. [0003] Therefore, the above-mentioned technical problems existing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G01D21/02
CPCG01M17/007G01D21/02
Inventor 付翔唐茂家万佳琦黄斌王玉新谭雨豪
Owner WUHAN UNIV OF TECH
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