Artificial intelligence-based model-adaptive approach to flexible structure control

A method of explicit self-tuning adaptive control for discontinuously time-varying flexible structures has been developed, by using artificial intelligence techniques of heuristic search and object-oriented programming to find new models when the controlled structure undergoes sudden model changes. The frequency-domain response of the structure is used to generate a heuristic model-evaluation index based on response error for possible models. The optimal model, returned by a best-first search algorithm, is then reformulated in a state form, and a new controller is obtained by using an optimal output feedback approach.