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A new method for describing the shape and thickness of 2-D wall bounded boundary layer velocity profile is presented. The new method is based on calculating parameters using simple integrals of the velocity profile. In fact the basic integral kernel is that of the displacement thickness. It is shown that these new parameters can be used to describe both the inner and outer region of the turbulent...
This paper has proposed robust quasi-sliding mode control for four wheel steering (4WS) vehicle based on vehicle side slip angle tracking with consideration of the variation of the center of vehicle gravity and disturbance of lateral wind, which are both in bounded ranges. By replacing ideal switching function with saturation function and setting a proper thickness of boundary layer, the controller...
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