Hybrid active vibration control of rotorbearing systems using piezoelectric actuators
Journal Article
·
· Journal of Vibration, Acoustics, Stress, and Reliability in Design; (United States)
- Texas A and M Univ., College Station, TX (United States)
The vibrations of a flexible rotor are controlled using piezoelectric actuators. The controller includes active analog components and a hybrid interface with a digital computer. The computer utilizes a grid search algorithm to select feedback gains that minimize a vibration norm at a specific operating speed. These gains are then downloaded as active stiffnesses and dampings with a linear fit throughout the operating speed range to obtain a very effective vibration control.
- OSTI ID:
- 6068907
- Journal Information:
- Journal of Vibration, Acoustics, Stress, and Reliability in Design; (United States), Vol. 115:1; ISSN 0739-3717
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
MECHANICAL VIBRATIONS
CLOSED-LOOP CONTROL
ROTORS
TURBOMACHINERY
ACTUATORS
COMPUTERIZED CONTROL SYSTEMS
PZT
ROBOTS
CONTROL
CONTROL SYSTEMS
EQUIPMENT
LEAD COMPOUNDS
MACHINERY
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
OXYGEN COMPOUNDS
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONATES
ZIRCONIUM COMPOUNDS
426002* - Engineering- Lasers & Masers- (1990-)
MECHANICAL VIBRATIONS
CLOSED-LOOP CONTROL
ROTORS
TURBOMACHINERY
ACTUATORS
COMPUTERIZED CONTROL SYSTEMS
PZT
ROBOTS
CONTROL
CONTROL SYSTEMS
EQUIPMENT
LEAD COMPOUNDS
MACHINERY
ON-LINE CONTROL SYSTEMS
ON-LINE SYSTEMS
OXYGEN COMPOUNDS
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ZIRCONATES
ZIRCONIUM COMPOUNDS
426002* - Engineering- Lasers & Masers- (1990-)