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Sensitivity controller for uncertain systems
Journal of Guidance, Control, and Dynamics, 1988In this paper a new controller design, which we Shall call the "trajectory sensitivity optimization" method, is presented to improve the robustness for parameter variations. The method uses the sensitivity trajectory to model the parameter uncertainty and introduces a special quadratic cost function involving an input and output sensitivity term ...
KENJI OKADA, ROBERT SKELTON
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Systems of Sensitized Robots Supervisory Control
IFAC Proceedings Volumes, 1977The paper exhibits the question of an organization of the sensitized robots supervisory control. The various approaches to the synthesis of robots control algorithms are described. The Algorithmic Robot Control System has been developed in Leningrad Polytechnical Institute to control the actions of Robots. The robot control language ROCOL and the built-
S.I. Novatchenko +3 more
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Solutions to the combined sensitivity and complementary sensitivity problem in control systems
IEEE Transactions on Automatic Control, 1996Summary: In a recent paper, a set of necessary and sufficient conditions for the existence of solutions to the combined sensitivity and complementary sensitivity (CSCS) problem in control systems was given. However, a practical method for constructing solutions to this problem was not presented.
Andrew E. B. Lim +2 more
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IEEE Transactions on Automatic Control, 1998
Summary: In the above-mentioned paper, a numerical example is given to show that the Nevanlinna-Pick interpolation formulas appearing in [1] and [2] are incorrect. By comparing [2] with [3] we illustrate that the correct formulas are obtained by simply taking the transpose of the Pick matrix given in [1] and [2].
Murat Zeren, Hitay Özbay
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Summary: In the above-mentioned paper, a numerical example is given to show that the Nevanlinna-Pick interpolation formulas appearing in [1] and [2] are incorrect. By comparing [2] with [3] we illustrate that the correct formulas are obtained by simply taking the transpose of the Pick matrix given in [1] and [2].
Murat Zeren, Hitay Özbay
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Sensitivity and dynamic accuracy of control systems
IFAC Proceedings Volumes, 1964Publisher Summary This chapter describes sensitivity and dynamic accuracy of control systems. The problem of sensitivity of dynamic systems, and particularly of control systems, with respect to parameter changes occupies a very important place in modern engineering. The interest in this problem is twofold. On the one hand, in the physical realization
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Sensitivity of automatic control systems with variable structure
IFAC Proceedings Volumes, 1964Publisher Summary This chapter discusses the sensitivity of automatic control systems with variable structure. It describes the task of synthesizing control systems for linear plants with variable parameters satisfying specified performance criteria. As one of the indices of dynamic properties of the system, the settling time is considered.
B.N. Petrov +3 more
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Sensitivity aspects of linear digital control systems
Automatica, 1969A technique for the sensitivity analysis of linear computer controlled systems is presented. The incremental covariance of estimation error is used to demonstrate quantitatively the deterioration in estimation quality under the perturbed initial conditions, system parameters, plant and measurement noise covariances.
A. F. Konar +2 more
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Engine Control System Sensitivity
SAE Technical Paper Series, 1982<div class="htmlview paragraph">THIS PAPER describes the use of sensitivity functions to investigate the sensitivity of engine control systems to unknown variations in parameters. The definition of output sensitivity functions and the derivation of their defining differential equations are reviewed.
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Sensitivity of linear control systems to large parameter variations
Automatica, 1969This paper is concerned with the sensitivity of a linear system-quadratic type cost functional to large parameter variations in the description of the linear system. For some class of parameter variations @e and some real number @r, the concept of @r-sensitivity is introduced: @r-sensitivity occurs if the value of the cost functional does not increase ...
N. Harris McClamroch +2 more
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Sensitivity in optimal control systems
Proceedings of the IEEE, 1968Some recent developments in the area of sensitivity in optimal control systems are summarized. The several sensitivity definitions, analysis methods, and design techniques are placed in perspective. A selected list of references is included.
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