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Deadzone compensation of a XY table using fuzzy logic  

장준오 (위덕대학교 컴퓨터멀티미디어공학부)
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Abstract
A deadzone compensator is designed for a XY positioning table using fuzzy logic. The classification property of fuzzy logic systems makes them a natural candidate for the rejection of errors induced by the deadzone, which has regions in which it behaves differently. A tuning algorithm is given for the fuzzy logic parameters, so that the deadzone compensation scheme becomes adaptive, guaranteeing small tracking errors and bounded parameter estimates. Formal nonlinear stability proofs are given to show that the tracking error is small. The fuzzy logic deadzone compensator is implemented on a XY positioning table to show its efficacy.
Keywords
Deadzone compensation; XY positioning table; Fuzzy logic; Actuator nonlinearity;
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