Results 131 to 140 of about 31,809 (190)

Approximate feedforward control

2015 10th Asian Control Conference (ASCC), 2015
Disturbances are inevitable in most control systems. They drive the systems away from their set points. It takes time for feedback control to reject them. The feedforward control offers great potentials for regulation performance if the disturbances are measurable.
null Xian Li   +2 more
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Dual Approximations in Optimal Control

SIAM Journal on Control and Optimization, 1984
The following optimal control problem is considered: \[ (P)\quad \min imize\quad C(z)\quad subject\quad to\quad M(z)=0,\quad z\in {\mathcal Z}, \] where \({\mathcal Z}\) denotes the set of pairs \(z=(x,u)\) such that x: [0,1]\(\to {\mathbb{R}}^ n\) is absolutely continuous and u: [0,1]\(\to {\mathbb{R}}^ m\) is summable, and \(M(x,u)(t)=x'(t)-A(t)x(t ...
Hager, William W., Ianculescu, George D.
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Adaptive Control Using Stochastic Approximation

Journal of Cybernetics, 1974
Abstract Adaptive control of systems with uncertainty can be implemented without complete identification of the plant if the cost function is measured continuously and the parameters of the controller are adjusted, using an efficient gradient method, to obtain optimum performance.
Sinha, N. K., Prasad, T.
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Solvable approximations of control systems

The 23rd IEEE Conference on Decision and Control, 1984
The paper is concerned with the construction of affine systems in the Crouch canonical form, defined on vector spaces, which approximate locally the input-output behaviour of a given smooth affine system. A similar problem of approximation by bilinear systems has been considered first by \textit{A. J. Krener} [SIAM J.
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