吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (06): 1510-1516.doi: 10.7964/jdxbgxb201306013

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Evaluation for matching between hydrodynamic torque converter and engine based on improved radar chart method

YAN Qing-dong1,2, LIU Shu-cheng1, WEI Wei1,2, YANG Hui-bin1   

  1. 1. School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China;
    2. National Key Laboratory of Vehicular Transmission, Beijing Institute of Technology, Beijing 100081, China
  • Received:2012-07-30 Online:2013-11-01 Published:2013-11-01

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Abstract:

In order to quantitatively evaluate the rationality of matching scheme between engine and torque converter, a series of dimensionless matching evaluation indexes were developed according to the ideal matching principle, and a standardized scoring method for every index was put forward. Considering the differences of importance of the evaluation indexes in different applications, relative weights of each index was determined using analytic hierarchy process. A matching evaluation system consisting of matching evaluation vector and matching evaluation function was established based on an improved radar chart method. Taking the powered matching demand as an example, three groups of hydrodynamic torque converters for a total of sixteen matching schemes were quantitatively evaluated. Evaluation results show that, using the proposed method, the optimal matching scheme can be determined accurately.

Key words: hydrodynamic torque converter, torque converter matching, improved radar chart method, analytic hierarchy process

CLC Number: 

  • TH137

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