Q-Markov covariance equivalent realization and its application to flexible structure identification
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The Q-Markov covariance equivalent realization algorithm is applied to NASAs Minimast structure to identify state-space models for the purpose of designing closed-loop controllers, and laboratory test results are shown for the identification and for the closed-loop performance. The paper also presents for the first time a deterministic formulation of co variance parameters from a pulse response, a stochastic formulation of Markov parameters from a white-noise response, and a simple Q-Markov covariance equivalent realization formulation. This requires only pulse laboratory tests or only white-noise laboratory tests to generate Q-Markov covariance equivalent realizations. 1993 American Institute of Aeronautics and Astronautics, Inc., All rights reserved.