The landing of a helicopter in autorotation is formulated as a nonlinear optimal control problem.
本文将直升机的自转着陆过程定义为一个非线性的最优控制问题。
A nonlinear optimal control model for designing three-dimensional trajectory of horizontal well was established.
针对三维水平井井眼轨道设计问题，建立了一个非线性最优控制模型。
A nonlinear optimal control model for designing three-dimensional trajectory of horizontal well was established.
针对三维水平井井眼轨道设计问题，建立了一个非线性最优控制模型。
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