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Active Vibration Control of a Cantilever Beam Using Fuzzy Control Scheme and PID Controller  

최수영 (성균관대학교 정보통신공학부)
김진태 (삼성종합기술원)
박기헌 (성균관대학교 정보통신공학부)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.40, no.1, 2003 , pp. 1-10 More about this Journal
Abstract
This paper is concerned with the fuzzy control scheme and PID controller for the vibration suppression control of a cantilever beam equipped with a laser sensor and an electromagnetic actuator. The PID controller is being widely used in industrial applications. However, it is difficult to determine the appropriate PID gains in nonlinear systems and systems with time variant characteristic and so on. In this paper, we design the fuzzy based PID controller of which output gains are adjusted automatically and the designed controller is applied to active vibration control of a cantilever beam using electromagnetic actuator with strong nonlinearity. The tuning PID parameters of proposed controller are determined by using Fuzzy algorithm. Effectiveness and performance of the designed controller are verified by both simulation and experiment results. Experimental results demonstrate that better control performance can be achieved in comparison with the PID cotroller.
Keywords
active vibration control; cantilever beam; electromagnetic actuator; fuzzy algorithm;
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