吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 325-329.doi: 10.13229/j.cnki.jdxbgxb201402008

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Stability of vehicles’cornering case based on TRIZ theory

YU Zhen-huan1, LIU Shun-an1, ZHANG Na2   

  1. 1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2. Mechanical and Engineering Department, Changchun Automobile Industry Institute, Changchun 130011, China
  • Received:2012-09-06 Online:2014-02-01 Published:2014-02-01

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Abstract:

In this paper, based on the contradiction matrix and innovation principle of TRIZ theory, three strategies are proposed for the vehicle braking system. The transition wheel load is changed by controlling the damping force of the semi-active suspension shock absorber. Thereby, the outer front wheel braking force is controlled. This can improve the vehicle handling stability when the vehicle steering wheel rotation is over large. To verify the effect of the above method vehicle running test is carried out. As a reverse damping force semi-active suspension is employed to control the vertical load, so the vehicle height sensor is not needed in the test. Test result show that, by control of the vertical damping force of the semi-active suspension shock absorber, the vehicle slip angle is significantly improved.

Key words: vehicle engineering, vehicle dynamics, skidding, shock basorber, slip angle, vertical load, TRIZ theory

CLC Number: 

  • U463

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