Title :
Estimator based controller for high speed flywheel magnetic bearing system
Author :
Deuver, T.P. ; Brown, Gerald V. ; Jansen, Raloh H.
Author_Institution :
NASA Glenn Res. Center, Cleveland, OH, USA
Abstract :
A flywheel system and its operator interface are described. Measurements of magnetic bearing negative stiffness are performed. Two digital magnetic bearing control algorithms (PD and estimator based) are defined, and their implementations are described. Tuning of each controller is discussed. Comparison of the two controllers´ stability, damping noise and operating current are described. Results describing the superiority of the estimator-based controller are presented and discussed.
Keywords :
PD control; aerospace control; damping; flywheels; magnetic bearings; stability; damping noise; estimator based controller; flywheel system; magnetic bearing control algorithms; magnetic bearing negative stiffness; operating current; space system; stability; Control systems; Flywheels; Magnetic levitation; NASA; PD control; Pulse amplifiers; Pulse width modulation; Rotors; Sensorless control; Shafts;
Conference_Titel :
Energy Conversion Engineering Conference, 2002. IECEC '02. 2002 37th Intersociety
Print_ISBN :
0-7803-7296-4
DOI :
10.1109/IECEC.2002.1392014
