Vibration Control of Rotor Systems With Noncollocated Sensor/Actuator by Experimental Design

[+] Author and Article Information
S. M. Yang, G. J. Sheu, C. D. Yang

Institute of Aeronautics and Astronautics, National Cheng Kung University, Taiwan, ROC

J. Vib. Acoust 119(3), 420-427 (Jul 01, 1997) (8 pages) doi:10.1115/1.2889741 History: Received March 01, 1995; Revised October 01, 1995; Online February 26, 2008


This paper presents a controller design methodology for vibration suppression of rotor systems in noncollocated sensor/actuator configuration. The methodology combines the experimental design method of quality engineering and the active damping control technique such that their advantages in implementation feasibility and performance-robustness can be integrated together. By using the locations of sensor/actuator and the feedback gains as design parameters, the controller design is shown to achieve a near optimal performance within the two-sigma confidence among all possible parameter combinations. Compared with LQ-based designs, the controller order is smaller and it is applicable to systems in an operation speed range. In addition, neither preselected sensor/actuator location(s) nor state measurement/ estimation is needed.

Copyright © 1997 by The American Society of Mechanical Engineers
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