DSP Implementation of an Active Bearing Mount for Rotors Using Hybrid Control

• Published in: Journal of vibration and acoustics Vol. 122; no. 4; pp. 420 - 428
• Main Authors: Bai, Mingsian R, Luo, Weibin
• Format: Journal Article
• Language: English
• Published: New York, NY ASME 01.10.2000; American Society of Mechanical Engineers
• Subjects: Applied sciences; Bearings, bushings, rolling bearings; Computer science; control theory; systems; Control system synthesis; Control theory. Systems; Drives; Exact sciences and technology; Fundamental areas of phenomenology (including applications); Mechanical engineering. Machine design; Physics; Solid mechanics; Structural and continuum mechanics; Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...); Vibrations and mechanical waves; feedback; linear quadratic Gaussian control; machine bearings; feedforward; vibration control; LQG control; Feedback regulation; Control synthesis; Magnetic force; Digital processing; Experimental study; Implementation; Rolling bearing; Digital signal; Digital control; Mounting; Ball bearing; Active system; Least squares method; Testing equipment; Shaft; Vibration control; Feedforward; Actuator

An on-line active technique for suppressing rotor vibration is proposed. Electromagnetic actuators are mounted on the housing of a ball bearing for generating counter forces to cancel the transverse vibrations due to imbalance, misalignment, and so forth. Controllers based on feedback structure, fee...