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Computer Model and Performance Appraisement about Metal-Belt Type CVT’s Automobile

Author: GuanPing
Tutor: ZhouYunShan
School: Hunan University
Course: Mechanical and Electronic Engineering
Keywords: CVT Vehicle model PID control Performance Evaluation Bench test
CLC: U463.212
Type: Master's thesis
Year: 2007
Downloads: 288
Quote: 5
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Abstract


The car has become an important part of modern civilized society , people put forward higher requirements for the performance of the car , economy and power . In order to improve the car performance , people have tried a number of efforts . This article is in this context . Adhere to the original structure of the transmission system , the use of new metal belt type continuously variable transmission (CVT) instead of the original transmission . Metal belt type continuously variable transmission (CVT) as the ideal car variable speed drive , has broad prospects for development and market space , compared to the the broader automatic transmission (AT) with the application , its excellent performance , simple structure , can be achieved car a continuously variable transmission . Reasonable control of the continuously variable transmission , the car automatically implement dynamic best match between a car driving resistance and engine output power play to the limit , the car 's economy , power driver's intention . Metal belt CVT increasing attention has been paid and the rapid development , the major automobile manufacturers in the world are conducting research and development work of the CVT . Computer modeling and simulation and to conduct transmission Indoor bench test has been recognized as the most effective research methods . In view of this, the paper aims to establish a computer simulation system , the system can change the model parameters and engine parameters simulation study different models , plus a performance evaluation system , and on the basis of the vehicle model , can last preliminary evaluation assembly metal belt CVT car 's power and economy , the article describes CVT bench test to verify the correctness of the model and the accuracy of the speed ratio control method . The sources subject of this article is the Hunan Science and Technology Key Project (05GK2007), Limited to undertake \

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Transmission > Mechanical transmission > Transmission
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