••• •• y.c. ZHU , A.C.P.M. BACKX· and P. EYKHOFF IPooS Group, Datex Industry Tinnegieterstraat 12, NL-5232 BM 's-Hertogenbosch The Netherlands tel. 31-73-412225, fax: 31-73-426055 Dept. EE, Eindhoven University of Technology P.O. Box 513, NL-5600 MB Eindhoven The Netherlands Tel. 31-40-473300

Abstract---This paper deals with the problem of decentralized robust control for a class of interconnected uncertain systems with state delays. The parameter uncertainties are unknown but norm-bounded. A new sufficient condition is obtained for each subsystem and overall system to be stabilizable via linear memoryless state feedback robust decentralized controllers. The results depend on the si...

Adaptive Robust Control (ARC) is a synergistic combination of adaptive control and deterministic robust control (DRC). It provides a robust performance with predictable transients while avoiding chattering typical in DRC. Antiintegration windup mechanism is built in the ARC and thus the problem of control saturation is alleviated. In this paper, ARC is applied to the motion control of machine t...

Control system models must often explicitly incorporate in them “uncertainties”, which model a number of factors, including: dynamics that are neglected to make the model tractable, as with large scale structures; nonlinearities that are either hard to model or too complicated; and parameters that are not known exactly, either because they are hard to measure or because of varying manufacturing...

Robust control systems may successfully be designed by ~'=-optimization, in particular, by reformulating the design problem as a mixed sensitivity problem. Abstract-The paper presents a tutorial exposition of ~=-optimal regulation theory, emphasizing the relevance of the mixed sensitivity problem for robust control system design.

Chen Jinli*, Xue Yali, Liu Xingang Aircraft Airworthiness CertificationDepartment, Civil Aviation Management Institute of China (CAMIC) No. 3 East Road Huajiadi, Chaoyang District, Beijing, China, 100102, Ph./Fax: +8610-58250631/58250630 State Key Lab of Power Systems, Thermal Engineering Department, Tsinghua University No. 30Shuangqing Road, Haidian District, Beijing, China, 100084, Ph./Fax: +...

Model mis-specification can cause substantial utility losses in portfolio planning. In this paper, we compare two approaches to cope with this problem, robust control and learning. We derive the optimal portfolio strategies and the utility losses due to model mis-specification. Surprisingly, neither learning nor robust control is uniformly superior to the naive approach where the investor simpl...

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In this paper, the Generalized Kharitonov Theorem for quasi-polynomials is exploited for the purpose of synthesizing a robust controller. The aim here is to develop a controller to simultaneously stabilize a given interval plant family with unknowing and bounded time delay. Using a constructive procedure based on Hermite Biehler theorem, we obtain all PI gains that stabilize an uncertain ̄rst-or...