Optimal design of ripple-free deadbeat controllers based on an ITSE index

This paper describes an optimal ripple-free dead-beat controller for SISO linear sampled-data plant models. A step reference is assumed and the deadbeat horizon is considered to be one of the designer's choices. The cost function to be minimized is a cumulative index that penalizes the time-wei...

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Bibliographic Details
Published in:	18th Mediterranean Conference on Control and Automation, MED'10 pp. 401 - 406
Main Authors:	Vargas, Francisco J, Salgado, Mario E, Silva, Eduardo I
Format:	Conference Proceeding
Language:	English
Published:	IEEE 01-06-2010
Subjects:	Cost function Finite impulse response filter Indexes ITSE index Opti-mal control Optimized production technology Polynomials Ripple-free deadbeat control Transfer functions
Online Access:	Get full text
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Summary:	This paper describes an optimal ripple-free dead-beat controller for SISO linear sampled-data plant models. A step reference is assumed and the deadbeat horizon is considered to be one of the designer's choices. The cost function to be minimized is a cumulative index that penalizes the time-weighted squared tracking error (i.e., it corresponds to an ITSE cost term). The corresponding optimization problem turns out to be convex, leading to closed form solutions. Examples are included to illustrate the main results.
ISBN:	1424480914 9781424480913
DOI:	10.1109/MED.2010.5547701