Results 201 to 210 of about 1,846,291 (243)
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1979
Abstract : Research under the following general headings was concluded: (1) Eigenvalue inequalities (Marcus, Thompson); (2) Numerical range calculations (Marcus); (3) Exact solutions of integral systems of linear equations (Newman); (4) Experiments on the ILLIAC IV, Sunnyvale, CA (Newman); (5) The Campbell Baker Hausdorff formula (Thompson); (6 ...
Henryk Minc +4 more
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Abstract : Research under the following general headings was concluded: (1) Eigenvalue inequalities (Marcus, Thompson); (2) Numerical range calculations (Marcus); (3) Exact solutions of integral systems of linear equations (Newman); (4) Experiments on the ILLIAC IV, Sunnyvale, CA (Newman); (5) The Campbell Baker Hausdorff formula (Thompson); (6 ...
Henryk Minc +4 more
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Theory of stability, and regulation and control of ecological system in oasis
Global and Planetary Change, 2003Abstract Starting with analysis on the evolving course of oasis and the characteristics and evolution of transitional zone between oasis and desert, in consideration of ecological elements including plant stomata resistance, area covered by vegetation, and physical elements including albedo of vegetation and bare soil, atmosphere temperature, and ...
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Controlling Chaos in Permanent Magnet Synchronous Motor Based on Tridiagonal Matrix Stability Theory
2011 3rd International Workshop on Intelligent Systems and Applications, 2011When system parameters falling into a certain area, the permanent magnet synchronous motor (PMSM) is experiencing chaotic behavior, which threatens the secure and stable operation of drive system. To control the undesirable chaos in PMSM, a new controller is proposed based on tridiagonal structure matrix stability theory.
Yaonan Tong, Chunlai Li, Wangbin Cheng
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Controlling chaos in permanent magnet synchronous motor based on finite-time stability theory
Chinese Physics B, 2009This paper reports that the performance of permanent magnet synchronous motor (PMSM) degrades due to chaos when its systemic parameters fall into a certain area. To control the undesirable chaos in PMSM, a nonlinear controller, which is simple and easy to be constructed, is presented to achieve finite-time chaos control based on the finite-time ...
Wei Du-Qu, Zhang Bo
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An approach to stability and controllability analysis in batch processes using set theory methods
2010 IEEE ANDESCON, 2010A barely approached of the topics in the area of Batch Process (BP) Control is controllability and stability analysis. This is because the dynamic characteristic of BPs makes the traditional analysis of these properties harder. Characteristics like the transitory dynamics of the states and the irreversibility of the states (from the dynamic systems ...
Cesar A. Gomez +2 more
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2021
Driving the state of dynamical systems to a desired point or set is a problem of crucial practical importance. Various constraints are present in real-world applications due to structural and operational requirements. Spatial constraints, i.e., constraints requiring the system trajectories to evolve in some textit{safe} set, while visiting some goal ...
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Driving the state of dynamical systems to a desired point or set is a problem of crucial practical importance. Various constraints are present in real-world applications due to structural and operational requirements. Spatial constraints, i.e., constraints requiring the system trajectories to evolve in some textit{safe} set, while visiting some goal ...
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Verification of Asymptotic Stability for Interval Matrices and Applications in Control Theory
1993Publisher Summary This chapter discusses the classic control theory on the basis of systems of linear ordinary differential equations y' = Ay , where A represents a constant matrix. In a realistic mathematical simulation, intervals must be admitted for the values of at least some of the constant elements of A .
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Control theory in practice : stabilization of a self-balancing robot using LQR and SMC
2023Control theory plays an important role in the design and stability of dynamic systems. It is necessary to understand how control strategies must be implemented and how they are tuned and modified to make them work in an actual system. This report presents result in a short study on the design, implementation, and analysis of two distinct control ...
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IFAC Proceedings Volumes, 1984
Abstract By the symmetric positive definite solutions of Riccati matrix equation and Riccati differential matrix equation we construct positive definite, quadratic form functions, and give the equivalence of linear constant control systems and linear constant control systems with time-lags, and that of linear time-varying control systems and linear ...
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Abstract By the symmetric positive definite solutions of Riccati matrix equation and Riccati differential matrix equation we construct positive definite, quadratic form functions, and give the equivalence of linear constant control systems and linear constant control systems with time-lags, and that of linear time-varying control systems and linear ...
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On equivalent systems in optimal control and stability theory
IEEE Transactions on Automatic Control, 1967N. McClamroch, J. Aggarwal
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