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JOURNALS // Avtomatika i Telemekhanika // Archive

Avtomat. i Telemekh., 1990 Issue 11, Pages 73–83 (Mi at6004)

Deterministic Systems

Decomposition of linear optimal singularly perturbed systems with retardation

È. M. Fridman

Kuibyshev Institute of railway transport engineers

Abstract: An optimal control problem for singular perturbed systems with aftereffect and with a quadratic performance criterion is considered. A change of variables is constructed, which splits the boundary value problem of the maximum principle into a boundary value problem for the slow variables without delay and two initial problems for the fast variables. This splitting allows us to reduce the problem of the design (with a large degree of accuracy) to the solution of an ordinary Riccati differential equation and a system of algebraic equations. One obtains the asymptotic expansion, with respect to the powers of a small parameter of the change of variables, of the “split problems”, and the reinforcement coefficient.

UDC: 517.977.55


Received: 27.03.1989


 English version:
Automation and Remote Control, 1990, 51:11, 1518–1527

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© Steklov Math. Inst. of RAS, 2026