This paper investigates an independent suspension with invariable alignment parameters by using flexible links of anisotropic elasticity. It focuses on the synthesis of elasticity of compliant flat links and establishes the mapping from the internal forces during jounce and rebound to the perturbation of the alignment parameters of the knuckle. The equivalent substitution of a flexible link to the infinite-R kinematic chain is first discussed by investigating the free motion and constraint of planar R-type kinematic chains. The rigid guidance capability of the suspension is then discussed from the viewpoint of perturbations of alignment parameters via investigating the lateral deflections of the anisotropic flexible links. At last the rib strengthened double level links on each side of the knuckle are proposed for engineering applications. Numerical simulations and model test show that this kind of suspension can provide very good alignment for the wheel.
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November 2014
Research-Article
Independent Suspension of Invariable Alignment Parameters by Using Flexible Links With Anisotropic Elasticity
Jing-Shan Zhao,
Jing-Shan Zhao
1
Department of Mechanical Engineering,
e-mail: jingshanzhao@mail.tsinghua.edu.cn
Tsinghua University
,Beijing 100084
, China
e-mail: jingshanzhao@mail.tsinghua.edu.cn
1Corresponding author.
Search for other works by this author on:
Jian-Yi Wang,
Jian-Yi Wang
Department of Mechanical Engineering,
Tsinghua University
,Beijing 100084
, China
Automotive Engineering Institute,
e-maiil: wangjy05@mails.tsinghua.edu.cn
Guangzhou Automobile Group Co., Ltd
,Guangzhou 511434
, China
e-maiil: wangjy05@mails.tsinghua.edu.cn
Search for other works by this author on:
Fulei Chu,
Fulei Chu
Department of Mechanical Engineering,
e-mail: chufl@tsinghua.edu.cn
Tsinghua University
,Beijing 100084
, China
e-mail: chufl@tsinghua.edu.cn
Search for other works by this author on:
Jian S. Dai
Jian S. Dai
Centre for Advanced Mechanisms and Robotics,
Tianjin University
,Tianjin 300072
, China
Search for other works by this author on:
Jing-Shan Zhao
Department of Mechanical Engineering,
e-mail: jingshanzhao@mail.tsinghua.edu.cn
Tsinghua University
,Beijing 100084
, China
e-mail: jingshanzhao@mail.tsinghua.edu.cn
Jian-Yi Wang
Department of Mechanical Engineering,
Tsinghua University
,Beijing 100084
, China
Automotive Engineering Institute,
e-maiil: wangjy05@mails.tsinghua.edu.cn
Guangzhou Automobile Group Co., Ltd
,Guangzhou 511434
, China
e-maiil: wangjy05@mails.tsinghua.edu.cn
Fulei Chu
Department of Mechanical Engineering,
e-mail: chufl@tsinghua.edu.cn
Tsinghua University
,Beijing 100084
, China
e-mail: chufl@tsinghua.edu.cn
Jian S. Dai
Centre for Advanced Mechanisms and Robotics,
Tianjin University
,Tianjin 300072
, China
1Corresponding author.
Contributed by the Mechanisms and Robotics Committee of ASME for publication in the JOURNAL OF MECHANISMS AND ROBOTICS. Manuscript received March 16, 2012; final manuscript received February 24, 2014; published online June 5, 2014. Assoc. Editor: Pierre M. Larochelle.
J. Mechanisms Robotics. Nov 2014, 6(4): 041002 (8 pages)
Published Online: June 5, 2014
Article history
Received:
March 16, 2012
Revision Received:
February 24, 2014
Citation
Zhao, J., Wang, J., Chu, F., and Dai, J. S. (June 5, 2014). "Independent Suspension of Invariable Alignment Parameters by Using Flexible Links With Anisotropic Elasticity." ASME. J. Mechanisms Robotics. November 2014; 6(4): 041002. https://doi.org/10.1115/1.4027232
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