This paper presents a systematic methodology and formulation for determining optimal strategies for four-wheel steering of vehicles. The methodology is based on multibody dynamics, design sensitivity, and optimization techniques, and is applicable to a wide variety of mechanical systems. The particular application discussed in this paper considers a vehicle model with four-wheel steering capability, and the presented methodology determines an optimal steering angle ratio strategy for the vehicle. It is shown that such a strategy can improve the ride stability of the vehicle, during a variety of maneuvers, when compared against similar strategies obtained from linearized and simplified vehicle models.
Optimal four-wheel steering strategy using nonlinear analyitcal vehicle models
Optimale Strategie des Vierrad-Antriebes mittels nichtlinearer analytischer Fahrzeugmodelle
SAE Technical Papers ; 1-8
1993
8 Seiten, 15 Bilder, 10 Quellen
Conference paper
English
Optimal four-wheel steering strategy using nonlinear analytical vehicle models
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