نتایج جستجو برای: discrete linear quadratic control

تعداد نتایج: 1914338  

2017
Huyên Pham Xiaoli Wei Huyên PHAM Xiaoli WEI

We consider the stochastic optimal control problem of nonlinear mean-field systems in discrete time. We reformulate the problem into a deterministic control problem with marginal distribution as controlled state variable, and prove that dynamic programming principle holds in its general form. We apply our method for solving explicitly the mean-variance portfolio selection and the multivariate l...

2004
Matthias Heinkenschloss

We study a class of time-domain decomposition-based methods for the numerical solution of large-scale linear quadratic optimal control problems. Our methods are based on a multiple shooting reformulation of the linear quadratic optimal control problem as a discrete-time optimal control (DTOC) problem. The optimality conditions for this DTOC problem lead to a linear block tridiagonal system. The...

Journal: :IEEE Transactions on Automatic Control 2006

2014
José De Doná Claus Müller Ryan McCloy

This paper studies the discrete-time sampled-data approximation of the input-constrained finite-horizon linear quadratic regulator problem. Explicit estimates for the error in the performance index rendered by the solution of a discrete-time approximation are provided. This result can be used to evaluate the level of sub-optimality of the sampled-data solution corresponding to a given discretis...

2012

This paper presents the application of discrete-time variable structure control with sliding mode based on the ‘reaching law’ method for robust control of a ‘simple inverted pendulum on moving cart’ a standard nonlinear benchmark system. The controllers designed using the above techniques are completely insensitive to parametric uncertainty and external disturbance. The controller design is car...

2002
Alberto Bemporad Francesco Borrelli Manfred Morari

In this paper we study the solution to optimal control problems for discrete time linear hybrid systems. First, we prove that the closed form of the state-feedback solution to finite time optimal control based on quadratic or linear norms performance criteria is a time-varying piecewise affine feedback control law. Then, we give an insight into the structure of the optimal state-feedback soluti...

2016
Yakup H. HACI Muhammet CANDAN

The mathematical theory of optimal control consisting all the continuous and discrete systems is strong studied more than 40 years. L. S. Pontryagin et al. first obtained basic results of the theory of optimal control and then this theory was developed and simplificated by other academicians [1-4]. Gaishun presented a detailed works regarding the optimal control problem to multidimensional diff...

Journal: :SIAM J. Control and Optimization 2008
Mato Baotic Francesco Borrelli Alberto Bemporad Manfred Morari

We consider constrained finite-time optimal control problems for discrete-time linear time-invariant systems with constraints on inputs and outputs based on linear and quadratic performance indices. The solution to such problems is a time-varying piecewise affine (PWA) state-feedback law and it can be computed by means of multiparametric programming. By exploiting the properties of the value fu...

Journal: :CoRR 2016
Rabih Salhab Roland P. Malhamé Jerome Le Ny

We consider within the framework of the Mean Field Games theory a dynamic discrete choice model with social interactions, where a large number of agents/players are choosing between two alternatives while influenced by the group’s behavior. We introduce the “Min-LQG” optimal control problem, a modified Linear Quadratic Gaussian (LQG) optimal control problem that includes a minimum term in its f...

2002
MARTIN BOHNER

We consider symplectic difference systems, which contain as special cases linear Hamiltonian difference systems and Sturm–Liouville difference equations of any even order. An associated discrete quadratic functional is important in discrete variational analysis, and while its positive definiteness has been characterized and is well understood, a characterization of its positive semidefiniteness...

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