Air spindle attitude control via proof mass actuators
Jinglai Shen
McClamroch, N.H.
Bernstein, D.S.
Dept. of Aerosp. Eng., Michigan Univ., Ann Arbor, MI;
This paper appears in: Decision and Control, 2001. Proceedings of the 40th IEEE Conference on
Publication Date: 2001
Volume: 5,
On page(s): 4616-4621 vol.5
Meeting Date: 12/04/2001 - 12/07/2001
Location: Orlando, FL, USA
ISBN: 0-7803-7061-9
References Cited: 7
INSPEC Accession Number: 7198005
Digital Object Identifier: 10.1109/.2001.980932
Current Version Published: 2002-08-06
Abstract
Attitude control of a single-axis air spindle testbed using two
proof mass actuators is studied by means of analytical models and
laboratory experiments. A key feature of the air spindle testbed is that
ideally there is no external moment; hence the total angular momentum
can be assumed to be conserved. After a brief hardware description of
the air spindle testbed and proof mass actuators, the equations of
motion are derived, assuming the total angular momentum is zero. It is
shown that arbitrary platform reorientation can be achieved using
periodic proof mass motions. Two proof mass actuator control strategies
are constructed based on piecewise constant motions and sinusoidal
motions. Experimental results are summarized and are compared with
simulation results
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