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基于常微分方程数学模型的多体系统动力学设计灵敏度分析方法 被引量:3

SENSITIVITY ANALYSIS BASED ON ORDINARY DIFFERENTIAL EQUATIONS OF MOTION IN MULTIBODY SYSTEM DYNAMICS
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摘要 基于常微分方程数学模型建立了多体系统动力学设计灵敏度分析的伴随变量方法。系统的初始条件由隐函数给出 ,设计目标函数为通用的积分型 ,推导过程采用变分方法。最后 ,以简单的弹簧 The adjoint variable method for design sensitivity analysis of multibody system dynamics based on ordinary differential equations is presented.The initial value conditions are given as implicit functions.The objective function is integral type.Variation method is used to generate the results.A simple example consisting of a spring and a mass is used to compare the results with those obtained by exact analytical method.
出处 《青岛大学学报(工程技术版)》 CAS 2001年第2期1-5,共5页 Journal of Qingdao University(Engineering & Technology Edition)
基金 国家自然科学基金资助项目 项目编号为 :1990 2 0 0 6
关键词 多体系统动力学 常微分方程 设计灵敏度分析 伴随变量方法 数学模型 dynamics of multibody systems ordinary differential equations design sensitivity analysis adjoint variable method
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