On the design of the dissipative LQG-type controllersThe design of dissipative linear-quadratic-Gaussian-type compensators for positive real plants is considered. It is shown that if the noise covariance matrices (used as weighting matrices) satisfy certain conditions, the compensator has a strictly positive real transfer function matrix. The stability of the resulting closed-loop system is guaranteed regardless of modeling errors as long as the plant remains positive real. In view of this property, the controller is expected to be useful for vibration suppression in large, flexible space structures.
Document ID
19890041266
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lozano-Leal, R. (NASA Langley Research Center Hampton, VA, United States)
Joshi, S. M. (NASA Langley Research Center Hampton, VA, United States)