Control of large flexible structures-an experiment on the NASA Mini-Mast facility
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The output variance constraint (OVC) controller design procedure is integrated with model reduction by modal cost analysis (MCA). A procedure is given for tuning MIMO controller designs to find the maximal RMS performance of the actual system. Controller designs based on a finite element model of the system are compared with controller designs based on an identified model (obtained using the Q-Markov Cover algorithm). The identified model and the finite element model led to similar closed loop performance, when tested in the MINI-MAST facility at Langley Research Center. 1991 IEEE