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This paper proposes a fault tolerant control scheme for nonlinear systems in descriptor form. The approach is based on the design of an unknown input observer in order to estimate the missing state variables as well as actuator faults, such design is carried out once a proper estimation error system is obtained via a recent factorization method; then, the estimated signals are employed in the control law in order to drive the states asymptotically to the origin despite actuator faults. The designing...

Condiciones algebraicas de existencia y estabilidad para el diseño de controladores para sistemas lineales multivariables interconectados.

Manuel de la Sen (1986)

Stochastica

This paper presents an algebraic design theory for interconnected systems. Usual multivariable linear systems are described in a unified way. Both square and nonsquare plants and controllers are included in the study and an easy characterization of the achievable I/O (input-to-output) and D/O (disturbance-to-output) maps is presented through the use of appropriate controllers. Sufficient conditions of stability are given.

Conjugated and symmetric polynomial equations. I. Continuous-time systems

Jan Ježek (1983)

Kybernetika

Control synthesis for practical stabilization of quantized linear systems.

Bicchi, A., Picasso, B. (2005)

Rendiconti del Seminario Matematico

Decentralized control of linear dynamical systems with partial aggregation

Vojtech Veselý (1989)

Kybernetika

Decentralized design of feedback control for large-scale systems

Lubomír Bakule, Jan Lunze (1988)

Kybernetika

Design of an adaptive controller of LQG type: spline-based approach

Tatiana V. Guy, Miroslav Kárný (2000)

Kybernetika

The paper presents an alternative approach to the design of a hybrid adaptive controller of Linear Quadratic Gaussian (LQG) type for linear stochastic controlled system. The approach is based on the combination standard building blocks of discrete LQG adaptive controller with the non-standard technique of modelling of a controlled system and spline approximation of involved signals. The method could be of interest for control of systems with complex models, in particular distributed parameter systems....

Design of linear feedback for bilinear control systems

Vasiliy Belozyorov (2002)

International Journal of Applied Mathematics and Computer Science

Sufficient conditions for the conditional stability of trivial solutions for quadratic systems of ordinary differential equations are obtained. These conditions are then used to design linear control laws on the output for a bilinear system of any order. In the case of a homogeneous system, a domain of the conditional stability is also indicated (it is a cone). Some examples are given.

Design of spline-based self-tuners

Miroslav Kárný, Ivan Nagy, Josef Böhm, Alena Halousková (1990)

Kybernetika

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