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For stabilizing the steel plate conveyance process, feasibilities of incorporating the linear induction motor scheme to provide the desired normal and propulsive forces have been intensively proposed. With proper optical measurement system installation and electromagnetic force estimations, those gaps among the steel plate and the stator poles can be continuously evaluated and adjusted. Based on such...
The problem of the delay-time parameter difficult to be determined in controlling chaos was considered in this paper. The quadrature-axis stator voltage was used as the manipulated variable. Applied the fuzzy control method into chaotic control by time-delayed feedback. The input of the fuzzy controller was the difference between the feedback of output and the set value of system. Fuzzy controller...
Active magnetic bearings (AMB) are increasingly being used as an alternative to rolling element and fluid-film bearings in rotating machinery application. Stable operation of AMB can only be achieved via feedback control of which the most widely used controllers are of the linear PID type. Under extreme conditions, however, the dynamic response of the rotor in AMB becomes highly nonlinear. As a result,...
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