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Based on Kalker's linear theory and the heuristic nonlinear creep model, the nonlinear coupled differential equations of the motion of twenty degrees of freedom car system, considering the lateral displacement and the yaw angle of each wheelset, the lateral displacement, vertical displacement, roll angle and yaw angle of the truck frames and the car body moving on curved tracks, are derived completely...
This paper presents a control strategy consisting of a fuzzy cross-coupled linear quadratic regulator (FCCLQR) and a feedforward (FF) compensator to improve the contour accuracy of bi-axis machine tools. The linear quadratic penalty function applied in the proposed controller includes the contour error, the tracking error and the control effort over a finite future time window. The time-varying feedback...
The objective of this paper is to investigate a novel design for local motion vectors (LMVs) of image sequences, which are often used in a digital image stabilization (IS) system. The IS technique removes unwanted shaking phenomenon in image sequences captured by hand-held camcorders. It includes two main parts such as motion estimation and compensation. Most of computation power occurs in the part...
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