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首页> 外文期刊>Optimal Control Applications and Methods >Solving complex optimal control problems with nonlinear controls using trigonometric functions
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Solving complex optimal control problems with nonlinear controls using trigonometric functions

机译:使用三角函函数解决非线性控制的复杂最优控制问题

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摘要

This study investigates the use of trigonometric functions to resolve two major issues encountered when solving practical optimal control problems (OCPs) that are characterized by nonlinear controls. First, OCPs with constraints on nonlinear controls require the solution to a multipoint boundary value problem, which poses additional computational difficulties. Second, in certain unconstrained OCPs with nonlinear controls, the extremum found from the necessary conditions can be opposite than expected (e.g., a maximum instead of a minimum) due to the absence of control options. The aforementioned issues and their effective resolution by using trigonometric functions are explained through two examples including a second-order system problem and an aerocapture problem of a slender entry vehicle in the Martian atmosphere.
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