双曲柄串联曲柄滑块压力机机构计算机仿真向量键合图法

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振动与冲击 ›› 2020, Vol. 39 ›› Issue (5) : 208-213.

论文

王中双，高梦琦，尹久政

作者信息 +

Vector bonding graph method for simulation of double-crank series crank slider press mechanism

WANG Zhongshuang, GAO Mengqi, YIN Jiuzheng

Author information +

文章历史 +

摘要

为提高双曲柄串联曲柄滑块压力机机构动力学建模与仿真的效率及可靠性，提出了相应的向量键合图法。根据机构构件间的运动约束关系，将机构运动构件、旋转铰及移动副的向量键合图模型组合起来，建立了双曲柄串联曲柄滑块压力机机构的向量键合图模型。通过有效的增广方法，消除了机构向量键合图模型中的微分因果关系，克服了其给机构自动建模所带来的代数困难。在此基础上，实现了双曲柄串联曲柄滑块压力机机构动力学自动建模与仿真，分析了脉冲形式的工作阻力对机构动态性能的影响，说明了所述方法的有效性。

Abstract

To improve the efficiency and reliability of dynamic modeling and simulation for a double-crank series crank slider press mechanism, the vector bonding graph method was proposed.According to kinematic constraint relations among mechanism components, vector bonding graph models for mechanism moving components, revolute joints and translational ones were combined to establish the whole mechanism’s vector bonding graph model.Using the effective augmented method, the differential causality in the mechanism vector bonding graph model was eliminated to overcome the algebraic difficulty brought by it to mechanism automatic modeling, and realize the mechanism’s automatic modeling and simulation.Effects of working resistance in form of pulse on the mechanism dynamic performance were analyzed, and the effectiveness of the proposed method was presented.

导出引用

王中双，高梦琦，尹久政. 双曲柄串联曲柄滑块压力机机构计算机仿真向量键合图法[J]. 振动与冲击, 2020, 39(5): 208-213

WANG Zhongshuang, GAO Mengqi, YIN Jiuzheng. Vector bonding graph method for simulation of double-crank series crank slider press mechanism[J]. Journal of Vibration and Shock, 2020, 39(5): 208-213

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