TY - JOUR
T1 - A generic approach to the design of decentralized linear output- feedback controllers
AU - Bavafa-Toosi, Yazdan
AU - Ohmori, Hiromitsu
AU - Labibi, Batool
N1 - Funding Information:
The work of Y. Bavafa-Toosi and H. Ohmori was supported in part by a Grant in Aid for the 21st Century Center of Excellence for “System Design: Paradigm Shift from Intelligence to Life” from The Ministry of Education, Culture, Sport and Technology of Japan. The work of B. Labibi was supported in part by a Grant in Aid from K.N. Toosi University of Technology, Tehran, Iran.
PY - 2006/4
Y1 - 2006/4
N2 - A sufficient condition for failure-tolerant performance stabilization in a desirable performance region under decentralized linear output-feedback is established. To exploit the flexibility in decentralized control beyond multivariable pole assignment, and to address the subsystem design objectives along with those of the overall system, a generic problem on decentralized linear output-feedback is then defined. The problem is reformulated in terms of a constrained nonlinear optimization problem. The proposed methodology results in the optimal reconciliation of failure-tolerant robust performance of the overall system, and (maximal) robustness, disturbance rejection, noninteractive performance, reliability and low actuator gains in the isolated subsystems in the face of unstructured perturbations in the controller and plant parameters. The effectiveness of the proposed approach is demonstrated by a numerical example.
AB - A sufficient condition for failure-tolerant performance stabilization in a desirable performance region under decentralized linear output-feedback is established. To exploit the flexibility in decentralized control beyond multivariable pole assignment, and to address the subsystem design objectives along with those of the overall system, a generic problem on decentralized linear output-feedback is then defined. The problem is reformulated in terms of a constrained nonlinear optimization problem. The proposed methodology results in the optimal reconciliation of failure-tolerant robust performance of the overall system, and (maximal) robustness, disturbance rejection, noninteractive performance, reliability and low actuator gains in the isolated subsystems in the face of unstructured perturbations in the controller and plant parameters. The effectiveness of the proposed approach is demonstrated by a numerical example.
KW - Decentralized linear output-feedback
KW - Disturbance rejection
KW - Failure tolerance
KW - Minimal sensitivity
KW - Noninteractive performance
KW - Optimization techniques
KW - Performance robustness
UR - http://www.scopus.com/inward/record.url?scp=32644438538&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=32644438538&partnerID=8YFLogxK
U2 - 10.1016/j.sysconle.2005.08.002
DO - 10.1016/j.sysconle.2005.08.002
M3 - Article
AN - SCOPUS:32644438538
SN - 0167-6911
VL - 55
SP - 282
EP - 292
JO - Systems and Control Letters
JF - Systems and Control Letters
IS - 4
ER -