Vehicle dynamics integrated control for four-wheel-distributed steering and four-wheel-distributed traction/braking systems

In this article, vehicle dynamics integrated control algorithm using an on-line non-linear optimization method is proposed for 4-wheel-distributed steering and 4-wheel-distributed traction/braking systems. The proposed distribution algorithm minimizes work load of each tire, which is controlled to b...

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Bibliographic Details
Published in:Vehicle System Dynamics 2006-02, Vol.44 (2), p.139-151
Main Authors: Ono, E., Hattori, Y., Muragishi, Y., Koibuchi, K.
Format: Article
Language:English
Subjects:
4-wheel-distributed steering
4-wheel-distributed traction/braking
Applied sciences
Exact sciences and technology
Machine components
Mechanical engineering. Machine design
Non-linear optimization
Springs and dampers
Vehicle integrated control
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Summary:In this article, vehicle dynamics integrated control algorithm using an on-line non-linear optimization method is proposed for 4-wheel-distributed steering and 4-wheel-distributed traction/braking systems. The proposed distribution algorithm minimizes work load of each tire, which is controlled to become the same value. The global optimality of the convergent solution of the recursive algorithm can be proved by extension to convex problems. This implies that theoretical limited performance of vehicle dynamics integrated control is clarified. Furthermore, the effect of this vehicle dynamics control for the 4-wheel-distributed steering and 4-wheel-distributed traction/braking systems is demonstrated by simulation to compare with the combination of the various actuators.
ISSN:0042-3114
1744-5159
DOI:10.1080/00423110500385790