The online generalized predicitive control combined with a fast transversal filter

Suk-Min Moon; Robert L. Clark; Daniel G. Cole

doi:10.1117/12.484760

1 August 2003 Online generalized predicitive control combined with a fast transversal filter

Suk-Min Moon, Robert L. Clark, Daniel G. Cole

Proceedings Volume 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control; (2003) https://doi.org/10.1117/12.484760
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

The concept of generalized predictive control (GPC) design is extended by combining it with the recursive least squares (RLS) system identification algorithm. In this paper, GPC is combined with the classical RLS system identification algorithm, and with the fast transversal filter (FTF), a modified version of the classical RLS algorithm. The classical RLS algorithm is a straightforward approach for identifying a model from input and output data, and one of the advantages of the classical RLS algorithm is that a model is obtained without time-consuming processes like matrix inversion. The FTF is also an RLS algorithm, but it exploits the shifting property of serialized data and thereby results in a substantial reduction in computational complexity. The advantages of both combined algorithms are no prior system model is required, since the process of system identification is performed recursively from real-time system input and output data, and the controller is updated adaptively in the presence of a changing operating environment.

Citation Download Citation

Suk-Min Moon, Robert L. Clark, and Daniel G. Cole "Online generalized predicitive control combined with a fast transversal filter", Proc. SPIE 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control, (1 August 2003); https://doi.org/10.1117/12.484760

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