In this paper, definitions of degree of controllability/observability, which are defined based on a scalar value dependent on the controllability/observability Grammian matrix, are presented for discrete-time systems. The concepts of degree of controllability/observability are applied to the actuator/sensor placement problem for thin flexible orbiting square platforms. The LQG transient time responses for several typical systems with different degrees of controllability and observability are also displayed.
Actuator/Sensor Placement Using Degree of Controllability and Observability for Digitally Controlled Orbiting Platforms
J of Astronaut Sci
The Journal of the Astronautical Sciences ; 45 , 1 ; 73-89
1997-03-01
17 pages
Article (Journal)
Electronic Resource
English
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