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非完整约束动力系统的离散积分方法

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Indexed by:期刊论文

Date of Publication:2012-09-20

Journal:动力学与控制学报

Included Journals:ISTIC

Issue:3

Page Number:193-198

ISSN No.:1672-6553

Key Words:数值积分;非完整约束;参变量变分原理;非线性

Abstract:采用了微分-代数方程求解的雷同策略,只在离散区段内满足无约束的积分,而在离散节点处则用约束冲量(Lagrange乘子向量)让轨道发生转折,给出了非完整约束动力系统的离散积分格式.数值例题的效果表明,本文给出的积分算法严格满足节点的非完整约束,具有良好的长时间积分性能.

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