On the Optimal Digital State Vector Feedback Controller With Integral and Preview Actions

[+] Author and Article Information
Masayoshi Tomizuka, Dan E. Rosenthal

Department of Mechanical Engineering, University of California, Berkeley, Calif. 94720

J. Dyn. Sys., Meas., Control 101(2), 172-178 (Jun 01, 1979) (7 pages) doi:10.1115/1.3426416 History: Received April 23, 1979; Online July 13, 2010


A digital state vector feedback controller with integral and preview actions, which can be called a proportional plus integral plus derivative plus preview (PIDP) controller, is derived based on linear quadratic optimal control theory. The preview action is a generalization of the feedforward concept which has been exercised in many process control situations. Preview of future system disturbance inputs is shown to be effective to improve the performance of the control system.

Copyright © 1979 by ASME
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