Improved Sensitivity Relations in State Constrained Optimal Control
Improved Sensitivity Relations in State Constrained Optimal Control
复制标题
状态约束最优控制中改进的敏感性关系
DOI:
10.1007/s00245-014-9260-6
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发表时间:
2014
影响因子:
1.8
通讯作者:
Bettiol P
中科院分区:
文献类型:
--
作者:
Bettiol P
Sensitivity relations in optimal control provide an interpretation of the costate trajectory and the Hamiltonian, evaluated along an optimal trajectory, in terms of gradients of the value function. While sensitivity relations are a straightforward consequence of standard transversality conditions for state constraint free optimal control problems formulated in terms of control-dependent differential equations with smooth data, their verification for problems with either pathwise state constraints, nonsmooth data, or for problems where the dynamic constraint takes the form of a differential inclusion, requires careful analysis. In this paper we establish validity of both ‘full’ and ‘partial’ sensitivity relations for an adjoint state of the maximum principle, for optimal control problems with pathwise state constraints, where the underlying control system is described by a differential inclusion. The partial sensitivity relation interprets the costate in terms of partial Clarke subgradients of the value function with respect to the state variable, while the full sensitivity relation interprets the couple, comprising the costate and Hamiltonian, as the Clarke subgradient of the value function with respect to both time and state variables. These relations are distinct because, for nonsmooth data, the partial Clarke subdifferential does not coincide with the projection of the (full) Clarke subdifferential on the relevant coordinate space. We show for the first time (even for problems without state constraints) that a costate trajectory can be chosen to satisfy the partial and full sensitivity relations simultaneously. The partial sensitivity relation in this paper is new for state constraint problems, while the full sensitivity relation improves on earlier results in the literature (for optimal control problems formulated in terms of Lipschitz continuous multifunctions), because a less restrictive inward pointing hypothesis is invoked in the proof, and because it is validated for a stronger set of necessary conditions.
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DOI:
10.1137/s0363012998340223
发表时间:
2000
期刊:
SIAM J. Control. Optim.
影响因子:
--
作者:
F. Rampazzo;R. Vinter
通讯作者:
R. Vinter
DOI:
10.1007/bf02551239
发表时间:
1988
期刊:
Mathematics of Control, Signals and Systems
影响因子:
--
作者:
R. Vinter
通讯作者:
R. Vinter
影响因子:
1.1
作者:
F. Clarke
通讯作者:
F. Clarke
影响因子:
2.2
作者:
F. Clarke;Richard D. Vinter
通讯作者:
Richard D. Vinter
DOI:
10.1137/s0363012903430585
发表时间:
2005
期刊:
SIAM J. Control. Optim.
影响因子:
--
作者:
A. Cernea;H. Frankowska
通讯作者:
H. Frankowska