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http://dx.doi.org/10.5050/KSNVN.2005.15.9.1037

Design of Multi-input Multi-output Positive Position Feedback Controller Based on Block-inverse Technique  

Kwak, Moon K. (동국대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.9, 2005 , pp. 1037-1044 More about this Journal
Abstract
This paper is concerned with the active vibration control of a grid structure equipped with piezoceramic sensors and actuators. The grid structure is a replica of the solar panel commonly mounted on satellites, which contains complex natural mode shapes. The multi-input and multi-output positive position feedback controller is considered as an active vibration controller for the grid structure. A new concept, the block-inverse technique, is proposed to cope with more modes than the number of actuators and sensors. This study also deals with the stability and the spillover effect associated with the application of the multi-input multi-output positive position feedback controller based on the block-inverse technique. It was found that the theories developed in this study are capable of predicting the control system characteristics and its performance. The new multi-input multi-output positive position feedback controller was applied to the test structure using a digital signal processor and its efficacy was verified by experiments.
Keywords
Multi-input and Multi-output Control; Positive Position Feedback Control; Control Spillover;
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