文章摘要
曹磊,马春生,李瑞琴,张斌.3-PUPU并联机构的运动学分析与仿真[J].包装工程,2018,39(3):118-123.
CAO Lei,MA Chun-sheng,LI Rui-qin,ZHANG Bin.Kinematic Analysis and Simulation of 3-PUPU Parallel Mechanism[J].Packaging Engineering,2018,39(3):118-123.
3-PUPU并联机构的运动学分析与仿真
Kinematic Analysis and Simulation of 3-PUPU Parallel Mechanism
投稿时间:2017-07-15  修订日期:2018-02-10
DOI:10.19554/j.cnki.1001-3563.2018.03.023
中文关键词: 并联机构  自由度  运动学  虚拟样机
英文关键词: parallel mechanism  degree of freedom  kinematics  virtual prototyping
基金项目:国家自然科学基金(51275486)
作者单位
曹磊 中北大学太原 030051 
马春生 中北大学太原 030051 
李瑞琴 中北大学太原 030051 
张斌 中北大学太原 030051 
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中文摘要:
      目的 对一种新型6自由度3-PUPU并联机构进行运动学分析和仿真,验证其是否具有良好的运动学性能。方法 首先基于螺旋理论对3-PUPU机构的自由度进行分析,通过修正(G-K)公式对其自由度进行计算。然后利用雅可比矩阵,研究3-PUPU机构执行末端和各部件主要节点的速度和加速度的运动学参数。最后将SolidWorks软件建立好的模型导入ADAMS软件中进行位移、速度和加速度的分析。结果 通过ADAMS得到的各项参数的曲线都呈周期性变化,曲线并未出现突变点和断点,变化范围稳定。结论 3-PUPU并联机构的运动学性能良好,具有很强的可靠性。
英文摘要:
      The work aims to analyze and simulate the kinematic properties of a new type of 3-PUPU parallel mechanism with 6-DOF, to verify whether the parallel mechanism has good kinematic performance. Firstly, the degree of freedom of the 3-PUPU mechanism was analyzed by the helix theory. The degree of freedom was calculated by the modified (GK) formula. Then, the Jacobian matrix was used to study the kinematic parameters of velocity and acceleration of execution end and main component nodes of the 3-PUPU mechanism. Finally, the model established by Solidworks software was imported into ADAMS software for displacement, velocity and acceleration analysis. The curves of all parameters obtained by ADAMS periodically changed. The curves had no sudden change points and break points, and its change range was stable. The kinematic performance of 3-PUPU parallel mechanism is superior with strong reliability.
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