Delta并联机械臂分拣移动速度与轨迹跟踪精度研究
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国家自然科学基金资助项目 (12532002, 12472022)


Research on Pick-Place Motion Speed and Trajectory Tracking Accuracy of Delta Parallel Manipulator
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    摘要:

    Delta并联机械臂在工业中拥有高刚度、低动平台质量、高加速度和高重复定位精度的优势,其应用场景通常集中在高速、轻载、节拍敏感型的工艺环节,而高速工况下会对机械臂末端精度造成影响.本文以翼菲BAT-1300-S并联机械臂为研究对象,使用向量闭环方程的几何解析法推导出了该Delta并联机械臂正逆运动学;针对高速分拣作业需求,利用PH(Pythagorean-Hodograph)曲线生成分拣轨迹;基于凯恩方程建立了机械臂的动力学模型,并通过MATLAB进行了仿真验证,验证了模型的有效性.最后,在给定末端笛卡尔空间轨迹下,研究移动速度以及控制参数对末端轨迹跟踪精度的影响.

    Abstract:

    Delta parallel manipulators possess advantages such as high structural stiffness, low moving-platform mass, high acceleration capability and repeatability, making them particularly suitable for high-speed, light-load, and cycle-time-sensitive industrial processes. However, under high-speed operating conditions, the end-effector positioning accuracy may be adversely affected. In this study, the Yifei BAT-1300-S Delta parallel manipulator is selected as the research object. The forward and inverse kinematics of the manipulator are derived using a geometric analytical approach based on vector loop-closure equations. To meet the requirements of high-speed Pick-Place operations, quintic Pythagorean-Hodograph (PH) curves are employed to generate smooth Pick-Place trajectories. Furthermore, a dynamic model of the manipulator is established based on Kane’s equations, and numerical simulations are conducted in MATLAB to verify the validity of the proposed model. Finally, under a prescribed Cartesian-space end-effector trajectory, the effects of motion speed and control parameters on trajectory tracking accuracy are systematically investigated.

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李浩岑,张舒. Delta并联机械臂分拣移动速度与轨迹跟踪精度研究[J].动力学与控制学报,2026,24(5):40~50; Li Haocen, Zhang Shu. Research on Pick-Place Motion Speed and Trajectory Tracking Accuracy of Delta Parallel Manipulator[J]. Journal of Dynamics and Control,2026,24(5):40-50.

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  • 收稿日期:2026-02-26
  • 最后修改日期:2026-03-12
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  • 在线发布日期: 2026-05-22
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