Accession Number : ADA324822

Title :   Robust Wiener-Hopf Design for Multivariable Control Systems and Applications to Vibration Suppression on a Weapon System.

Descriptive Note : Final rept. 20 Sep 93-26 Jan 96,

Corporate Author : POLYTECHNIC UNIV BROOKLYN NY

Personal Author(s) : Khorrami, Farshad ; Bongiorno, Joseph J., Jr.

PDF Url : ADA324822

Report Date : 20 APR 1997

Pagination or Media Count : 49

Abstract : Trade offs between stability margin and performance are considered in two and three degree of freedom multivariable control systems using a Wiener Hopf design approach. Maximum improvement in an approximate measure of stability margin is achieved at the expense of a prescribed increase in the quadratic cost functional measuring system performance. In order to attain an analytical solution to this fundamental trade off problem, the approximate measure of stability margin chosen is also a quadratic cost function. A novel approach is introduced which allows structured perturbations in the coprime polynomial matrix fraction description of the plant transfer matrix to be taken into account. As a consequence, it is believed that the use of an approximate measure of stability margin is mitigated. Moreover, if needed, the solution obtained could serve as a very good initial one from which to search for better solutions iteratively. The aforementioned control design methodology was implemented on the available testbeds for advanced weapon pointing systems at the Picatinny Army Arsenal in New Jersey.

Descriptors :   *EXPERIMENTAL DESIGN, *VIBRATION ISOLATORS, TEST BEDS, MULTIVARIATE ANALYSIS, PRODUCTION ENGINEERING, COSTS, FEEDBACK, PERTURBATIONS, FIRE CONTROL SYSTEMS, NUMERICAL QUADRATURE.

Subject Categories : Mfg & Industrial Eng & Control of Product Sys
      Fire Control and Bombing Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE