Results 281 to 290 of about 1,665,516 (335)

Sensitivity controller for uncertain systems [PDF]

Journal of Guidance, Control, and Dynamics, 1988
In 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 ...
Robert E. Skelton, Kenji Okada
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Systems of Sensitized Robots Supervisory Control

IFAC Proceedings Volumes, 1977
The 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-
N.S. Teleshev, E.I. Jurevich, S.I. Novatchenko, V.A. Pavlov   +3 more
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Sensitivity in Multivariable Control Systems

Journal of Basic Engineering, 1969
Definitions of system sensitivity for linear single variable systems have been extended, in the past, to linear multivariable systems in the form of a sensitivity matrix. The role of the sensitivity matrix in multivariable feedback control systems is studied further in this paper. The sensitivity matrix serves the dual function of governing the effects
C. T. Leondes, W. F. Horton
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Sensitivity reduction in modal control systems

Journal of the Franklin Institute, 1974
Abstract The conventional modal control theory is concerned with the problem of determining a state feedback matrix-valued gain which drives the system eigenvalues to prescribed positions. When the parameters of the open-loop system involve certain variations, the closed-loop eigenvalues, obtained by using a feedback gain determined as above, also ...
P.N. Paraskevopoulos, Spyros G. Tzafestas   +1 more
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Sensitivity in optimal control systems

Proceedings of the IEEE, 1968
Some 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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On stochastic sensitivity control in discrete systems

Automation and Remote Control, 2010
For a discrete nonlinear controlled stochastic system, we consider the scatter range of random states around the equilibrium. We consider the problem of designing a regulator that would allow to form a stable stationary probability distribution with a given covariance around this equilibrium.
Lev Ryashko, Irina Bashkirtseva
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A location sensitive access control system

2012 Annual IEEE India Conference (INDICON), 2012
Role Based Access control (RBAC) is a popular security technique to impose restriction on different resources. To capture various emerging security requirements, RBAC has been evolved from time to time. Due to advancement in wireless devices new security requirements have come up and it is quite challenging for the existing access control models to ...
Vasu Devulapalli, Samrat Mondal
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Sensitivity of large-scale control systems

Journal of the Franklin Institute, 1981
Abstract The purpose of this paper is to consider sensitivity of suboptimal decentralized control schemes for large-scale systems composed of interconnected subsystems. It is shown that sensitivity of suboptimal systems with respect to distortions in the local control laws can be expressed in terms of the classical notions of the gain and phase ...
Dragoslav D. Šiljak, M.E. Sezer
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Optimally sensitive and adaptive control systems

AIChE Journal, 1971
AbstractThe sensitivity of optimally controlled systems to parameter variations is examined in this paper. Two general approaches toward compensating for these variations are employed. The first, for open‐loop systems, involves augmenting the performance index with sensitivity terms and minimizing this combined index.
S. D. Weinrich, Leon Lapidus
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Sensitivity and dynamic accuracy of control systems

IFAC Proceedings Volumes, 1964
Publisher 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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