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Dynamic Modeling and Eigenvalue Evaluation of a 3-DOF PKM Module
dynamic modeling parallel kinematic machine natural frequency
2010/3/5
Due to the structural complexity, the dynamic modeling and quick performance evaluation for the parallel kinematic machines (PKMs) are still to be remained as two challenges in the stage of conceptual...
基于网论的数控系统动态性能仿真（Simulation of CNC System Dynamic Performance Based on Net Theory）
数控系统 运行时 网论
2009/5/22
为校验数控系统运行时的逻辑与性能可达性，引入了基于网论原理的系统动态建模与分析技术。提出了带抑制弧TTPN的有条件等价转换策略，可有效降低分析模型的维度与复杂度。建立了系统运动控制相关过程的分析模型，经等效转换处理后进行了仿真分析，并给出了系统调整的量化依据。仿真表明经调整后的系统能达到预期指标。
FFT-based spectral dynamic analysis for linear discrete dynamic systems
Numerical techniques Linear discrete system Spectral analysis method
2007/11/30
Purpose: An FFT-based spectral dynamic analysis method is developed for the viscously damped, linear discrete dynamic systems subjected to nonzero initial conditions.
Design/methodology/approach: The...