It has been stated that a uniform rotating shaft in the Rayleigh beam model has only a finite number of critical speeds and precession modes. This paper presents a controller design of optimal sensor/actuator location and feedback gain for steady state unbalance response of a rotating shaft operating in a speed range. For systems under order-limit constraint such that only part of the precession modes can be included in the reduced-order controller design, the system stability can be evaluated. The example of a hinged-hinged rotating shaft is employed to illustrate the controller design of velocity feedback in collocated and noncollocated senor/actuator configuration. Analyses show that the reduced-order controller not only guarantees the closed loop system stability but also effectively suppress the unbalance response.
|Number of pages||5|
|Journal||Journal of Vibration and Acoustics, Transactions of the ASME|
|Publication status||Published - 2006 Apr 1|
All Science Journal Classification (ASJC) codes
- Mechanics of Materials
- Acoustics and Ultrasonics
- Mechanical Engineering