• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2026, Vol. 62 ›› Issue (15): 366-381.doi: 10.3901/JME.260452

• 机器人与机构学 • 上一篇    

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新型两支链单平台四自由度高速并联机器人动力学建模与动力尺度综合

马跃1,2, 彭盾1,2, 孙伟华1,2, 李彬1,2, 刘祺1,2, 陈龙1,2, 彭虹贵1,2, 杨玉维1,2   

  1. 1. 天津理工大学天津市先进机电系统设计与智能控制重点实验室 天津 300384;
    2. 机电工程国家级实验教学示范中心(天津理工大学) 天津 300384
  • 收稿日期:2025-08-29 修回日期:2025-12-05 发布日期:2026-10-13
  • 作者简介:马跃,男,1989年出生,博士,教授,博士研究生导师。主要研究方向为机器人机构学与装备数字化设计。E-mail:mayue002@126.com;彭盾,男,2000年出生,硕士研究生。主要研究方向为机器人机构学。E-mail:1526091612@qq.com;孙伟华,男,1999年出生,硕士。主要研究方向为机器人机构优化设计。E-mail:sunweihua1121@163.com;李彬,男,1981年出生,博士,教授,博士研究生导师。主要研究方向为机器人机构学。E-mail:cnrobot@tjut.edu.cn;刘祺(通信作者),男,1990年出生,博士,副教授,硕士研究生导师。主要研究方向为机器人机构学与控制。E-mail:rufei67@163.com;陈龙,男,1999年出生,硕士研究生。主要研究方向为机械系统动力学。E-mail:1804472509@qq.com;彭虹贵,男,2000年出生,硕士研究生。主要研究方向为机器人机构学与轨迹规划。E-mail:17802056173@139.com;杨玉维,男,1975年出生,博士,副教授,硕士研究生导师。主要研究方向为机器人技术、外骨骼、多体动力学等。E-mail:buddhawei@126.com
  • 基金资助:
    国家自然科学基金(52575033, 52575032, 52375026)和京津冀基础研究合作专项(24JCZXJC00270)资助项目。

Dynamic Modeling and Dimensional Synthesis of a 4-DOF High-speed Parallel Robot with Two Limbs and a Single Moving Platform

MA Yue1,2, PENG Dun1,2, SUN Weihua1,2, LI Bin1,2, LIU Qi1,2, CHEN Long1,2, PENG Honggui1,2, YANG Yuwei1,2   

  1. 1. Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, Tianjin University of Technology, Tianjin 300384;
    2. National Demonstration Center for Experimental Mechanical and Electrical Engineering Education (Tianjin University of Technology), Tianjin 300384
  • Received:2025-08-29 Revised:2025-12-05 Published:2026-10-13

摘要: 针对电子等轻工行业的分拣、抓取作业,提出一种两支链单动平台四自由度高速并联机器人机构,并对其开展动力学建模与动力尺度综合方法研究。相较于其他四自由度高速并联机器人,其仅需两条支链便可实现空间3T1R(3平动1转动)运动,具有兼顾大工作空间/机构体积比、高运动/力传递效能、优异的加减速能力等多种性能设计潜力。在运动学与刚体动力学建模及分析方面,分别基于闭环矢量方程与虚功原理建立了机器人的运动学与刚体动力学模型,定义了三种无量纲的动力学性能评价指标以及压力角与工作空间/机构体积比两种运动学指标。在此基础上,通过响应面建模与贡献度分析,确定出各设计参数对性能的影响程度,并据此提出一种以惯性矩阵对角占优和加减速能力最大为目标,以尺度与运动学性能为约束,以单轴惯性项驱动力矩全域最大值最小为目标匹配条件的多目标尺度参数决策方法,得到一组兼顾运动学与动力学性能的最优尺度参数,为工程样机的研制奠定重要基础。

关键词: 高速并联机器人, 运动学与动力学建模, 性能评价, 尺度综合

Abstract: Aiming at the sorting and grasping operations of light industry such as electronics, a 4-DOF high-speed parallel robot with two limbs and a single moving platform is proposed, and its dynamic modeling and design method is studied. Compared with other 4-DOF high-speed parallel robots, it only requires two limbs to achieve spatial 3T1R (three translations and one rotation) movement capabilities, and has the potential to be designed by balancing multiple performance indices, such as large workspace/mechanism volume ratio, high motion/force transmission efficiency, and excellent acceleration ability, etc. The kinematic and dynamic models are established based on the closed-loop vector equation and the principle of virtual work, respectively, leading to the definition of three dimensionless dynamic performance indices and two kinematic performance indices (pressure angle and workspace/mechanism volume ratio). On this basis, the influence of design parameters on the performance indices is determined by response surface modeling and contribution analysis. This is followed by a multi-objective dimensional optimization method by maximizing the diagonal dominance of the inertia matrix and acceleration capability subject to the geometrical and kinematic performance constraints. Decision of the optimized parameters are finally made by minimizing the maximum value of inertia term torque of the single motor shaft over the entire workspace. In this way, the kinematic and dynamic performance indices are balanced, laying a foundation for the development of engineering prototypes.

Key words: high speed parallel robot, kinematic and dynamic modeling, performance evaluation, dimensional synthesis

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