吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (02): 266-271.

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Yaw stability for steering motion of articulated vehicle

ZHANG Yang1, LIU Xin-hui2   

  1. 1. Shanghai Volkswagen, Shanghai 201805, China;
    2. State Key Laboratory of Automobile Simulation and Control, Jilin University, Changchun 130022, China
  • Received:2011-03-31 Online:2012-03-01 Published:2012-03-01

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Abstract: A 3 DoF dynamic equation was derived for the articulated vehicle taking into account the body mass-center sideslip angle, the wheel sideslip angle, the lateral motion of rear body and front body. The transfer function was derived with the steering angle as the input and the body absolute yaw rate as the output. The effects of different combinations of the front and rear body steering types on the vehicle steady steering characteristic were achieved from the yaw rate gain analysis. The steady steering test and the step response test results were in similar trends with the simulated results, proving the reasonableness of the proposed dynamic equation.

Key words: vehicle engineering, steering dynamics, Newton-Euler equation method, articulated vehicle, sideslip angle, yaw stability

CLC Number: 

  • U461.1
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