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首页> 外文会议>International Conference on Mechanical Engineering and Mechanics vol.1; 20051026-28; Nanjing(CN) >Coupling Dynamic Model of A Hybrid Elastic Five-bar Linkage Mechanism System
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Coupling Dynamic Model of A Hybrid Elastic Five-bar Linkage Mechanism System

机译：混合弹性五连杆机构系统的耦合动力学模型

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摘要

This paper deals with a modeling process of electromechanical coupling dynamic equation of a hybrid elastic five-bar linkage mechanism system. Based on the air-gap field of non-uniform airspace of two-phase AC servomotor caused by the vibration eccentricity of rotor, the servomotor element, which defined the transverse vibration and torsional vibration of the servomotor as its nodal displacement, is established. Through analyzing the electromechanical coupling relation in the real running state of servomotor, the mass matrix and stiffness matrix of the servomotor element are deduced respectively. In the element analysis of the mechanism, the links of linkage mechanism are simulated using beam element, and the mass matrix and stiffness matrix of the beam element are established respectively. An electromechanical coupling dynamic model of the system, which including electromagnetic parameters of the servomotors and structural parameters of the elastic linkages, is established by the finite element method in the end. This paper is the base for further study on the dynamic characteristics of this kind of electromechanical system, such as stability, multiple resonance and so on.
机译：本文研究了混合弹性五连杆机构系统机电耦合动力学方程的建模过程。基于转子的振动偏心引起的两相交流伺服电动机空域不均匀的气隙场，建立了以伺服电动机的横向振动和扭转振动作为节点位移的伺服电动机元件。通过分析伺服电机实际运行状态下的机电耦合关系，分别推导了伺服电机元件的质量矩阵和刚度矩阵。在机构的单元分析中，利用梁单元模拟了连杆机构的连杆，分别建立了梁单元的质量矩阵和刚度矩阵。最后通过有限元方法建立了系统的机电耦合动力学模型，包括伺服电动机的电磁参数和弹性连杆的结构参数。本文为进一步研究此类机电系统的动态特性（如稳定性，多重共振等）奠定了基础。

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