arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1902.09004math.OC
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加速Optimization的最优控制理论

An Optimal Control Theory for Accelerated Optimization

I. M. Ross

摘要:

一般非线性最优化问题的一阶最优性条件被生成为最优控制问题的终端横截性条件的一部分。证明了最优化问题的拉格朗日量与最优控制问题的哈密顿量通过一个零哈密顿量的无限阶奇异弧相连接。奇异最优控制问题的必要条件用于产生辅助可控动力系统,其轨迹生成最优化问题的算法原语。通过半离散化步骤,设计了一种遗传算法的三步迭代映射。既不需要显式地导出反馈控制律,也不需要显式地导出控制算法的微分方程。一个搜索方向是由一个近端瞄准型的方法,消散控制李雅普诺夫函数。新的步长程序的基础上最小化控制李雅普诺夫函数沿搜索向量完成的加速算法的设计。

英文摘要:

The first-order optimality conditions for a generic nonlinear optimization problem are generated as part of the terminal transversality conditions of an optimal control problem. It is shown that the Lagrangian of the optimization problem is connected to the Hamiltonian of the optimal control problem via a zero-Hamiltonian, infinite-order, singular arc. The necessary conditions for the singular optimal control problem are used to produce an auxiliary controllable dynamical system whose trajectories generate algorithm primitives for the optimization problem. A three-step iterative map for a generic algorithm is designed by a semi-discretization step. Neither the feedback control law nor the differential equation governing the algorithm need be derived explicitly. A search direction is produced by a proximal-aiming-type method that dissipates a control Lyapunov function. New step size procedures based on minimizing control Lyapunov functions along a search vector complete the design of the accelerated algorithms.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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