Design and Tuning of Reduced Order H-Infinity Feedforward Compensators for Active Vibration Control

被引:18
作者
Alma, Marouane [1 ]
Martinez, John J. [1 ]
Landau, Ioan D. [1 ]
Buche, Gabriel [1 ]
机构
[1] Gipsa Lab, Control Syst Dept, F-38402 St Martin Dheres, France
关键词
External disturbance rejection; feedforward compensator; H-infinity control; inertial actuators; SINUSOIDAL DISTURBANCE REJECTION; DISCRETE-TIME-SYSTEMS; CLOSED-LOOP; IDENTIFICATION; REDUCTION;
D O I
10.1109/TCST.2011.2119485
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This brief presents a procedure for design and tuning of reduced orders H-infinity feedforward compensators for active vibration control systems subject to wide band disturbances. The procedure takes in account the inherent "positive" feedback coupling between the compensator system and the measurement of the image of the disturbance. It also takes advantage of the availability of reliable models obtained by system identification. A controller order reduction technique is proposed for reducing the complexity of the nominal H-infinity controller without degrading the performance. Experimental results obtained on an active vibration control system for a flexible mechanical structure will illustrate the procedure.
引用
收藏
页码:554 / 561
页数:8
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