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Low-Order Dynamic Output Feedback Controller Design Against Measurement Noise  

Son, Young-Ik (명지대 공대 전기공학과)
Jo, Nam-Hoon (숭실대 공대 전기제어시스템공학부)
Shim, Hyung-Bo (서울대 공대 전기컴퓨터공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.56, no.2, 2007 , pp. 383-388 More about this Journal
Abstract
This paper considers a low-order dynamic output feedback controller design problem. Since the proposed control law inherently has a low-pass filter property, it can alleviate the mal-effects of the sensor noise without additional filter designs. Frequency domain analysis shows the characteristics of the proposed control law against measurement noise. The effectiveness of the proposed control law is illustrated by numerical simulations with a rotary inverted pendulum and a convey-crane. Using only one integrator the proposed control law has the advantage to the stabilization problem with sensor noise as well as it can successfully replace the measurements of derivative terms in a state feedback control law.
Keywords
Dynamic Output Feedback; Low-Order Controller; Low-Pass Filter; Static Output Feedback; Rotary Inverted Pendulum;
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