R. Rajamani, D. Piyabongkarn, J. Lew, K. Yi, G. Phanomchoeng
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引用次数: 142
Abstract
Tire-road forces are crucial in vehicle dynamics and control because they are the only forces that a vehicle experiences from the ground. These forces significantly affect the lateral, longitudinal, yaw, and roll behavior of the vehicle. The maximum force that a tire can supply is determined by the maximum value of the tire-road friction coefficient for a given normal vertical load on the tire. For each tire, the normalized traction force p, alternatively called the coefficient of traction, is defined as VfI + F (1) where Fχ, Fψ and Fζ are the longitudinal, lateral, and normal, that is, vertical, forces acting on the tire. The objective of friction-coefficient estimation is to predict the maximum value of the normalized traction force p that each tire can provide. This value, which is called the tire-road friction coefficient μ, depends on the characteristics of the road surface. The value of μ varies between zero and one depending on the type of road surface under consideration, such as icy, snow covered, gravel, and dry asphalt.
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As the official means of communication for the IEEE Control Systems Society, the IEEE Control Systems Magazine publishes interesting, useful, and informative material on all aspects of control system technology for the benefit of control educators, practitioners, and researchers.
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