基于3-UPS／RRR的并联踝关节康复机构及其性能分析
基于踝关节的生理解剖结构和运动特性分析，提出了一种适用于踝关节康复的3自由度3-UPS／RRR并联机构．该机构采用三个主动支链倾斜布置避开了机构的奇异位形，能满足踝关节康复运动需要，同时约束支链和动平台的设计使机构的转动中心与患者的踝关节转动中心重合．应用解析法得到了机构的位置反解，建立了速度雅可比矩阵和静力雅可比矩阵，求解了机构的工作空间．基于雅可比矩阵，仿真分析了机构的运动学性能和静力学性能．结果表明在规定的工作空间内机构具有良好的可操作性、运动灵活性、刚度特性和力矩传递性能．最后运用牛顿欧拉法建立了机构的逆动力学方程，得到了驱动力、约束力与运动参数的关系，并给出了仿真实例．...
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| Published in | 自动化学报 Vol. 42; no. 12; pp. 1794 - 1807 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京工业大学北京市先进制造技术重点实验室 北京 100124%国家康复辅具研究中心 北京 100176
2016
北京工业大学机械工程与应用电子技术学院 北京 100124 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0254-4156 1874-1029 |
| DOI | 10.16383/j.aas.2016.c160144 |
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| Abstract | 基于踝关节的生理解剖结构和运动特性分析，提出了一种适用于踝关节康复的3自由度3-UPS／RRR并联机构．该机构采用三个主动支链倾斜布置避开了机构的奇异位形，能满足踝关节康复运动需要，同时约束支链和动平台的设计使机构的转动中心与患者的踝关节转动中心重合．应用解析法得到了机构的位置反解，建立了速度雅可比矩阵和静力雅可比矩阵，求解了机构的工作空间．基于雅可比矩阵，仿真分析了机构的运动学性能和静力学性能．结果表明在规定的工作空间内机构具有良好的可操作性、运动灵活性、刚度特性和力矩传递性能．最后运用牛顿欧拉法建立了机构的逆动力学方程，得到了驱动力、约束力与运动参数的关系，并给出了仿真实例． |
|---|---|
| AbstractList | 基于踝关节的生理解剖结构和运动特性分析，提出了一种适用于踝关节康复的3自由度3-UPS／RRR并联机构．该机构采用三个主动支链倾斜布置避开了机构的奇异位形，能满足踝关节康复运动需要，同时约束支链和动平台的设计使机构的转动中心与患者的踝关节转动中心重合．应用解析法得到了机构的位置反解，建立了速度雅可比矩阵和静力雅可比矩阵，求解了机构的工作空间．基于雅可比矩阵，仿真分析了机构的运动学性能和静力学性能．结果表明在规定的工作空间内机构具有良好的可操作性、运动灵活性、刚度特性和力矩传递性能．最后运用牛顿欧拉法建立了机构的逆动力学方程，得到了驱动力、约束力与运动参数的关系，并给出了仿真实例． 基于踝关节的生理解剖结构和运动特性分析，提出了一种适用于踝关节康复的3自由度3-UPS/RRR 并联机构。该机构采用三个主动支链倾斜布置避开了机构的奇异位形，能满足踝关节康复运动需要，同时约束支链和动平台的设计使机构的转动中心与患者的踝关节转动中心重合。应用解析法得到了机构的位置反解，建立了速度雅可比矩阵和静力雅可比矩阵，求解了机构的工作空间。基于雅可比矩阵，仿真分析了机构的运动学性能和静力学性能。结果表明在规定的工作空间内机构具有良好的可操作性、运动灵活性、刚度特性和力矩传递性能。最后运用牛顿–欧拉法建立了机构的逆动力学方程，得到了驱动力、约束力与运动参数的关系，并给出了仿真实例。 |
| Abstract_FL | Based on the physiological anatomical structure and movement characteristics analysis of human ankle joint, a 3 degree of freedom (DoF) 3-UPS/RRR ankle rehabilitation parallel mechanism is presented. Its three active branched chain inclination arrangement avoids the singular configuration of the mechanism and meets the required ankle reha-bilitation workspaces. By means of constraint branches and the moving platform, the mechanism center of rotations matches the patient0s ankle center of rotations. Inverse kinematics is solved analytically velocity Jacobian matrix and statics Jacobian matrix are established, and mechanism workspace is coped with. Moreover, in view of Jacobian matrix, kinematics performance and statics performance of the mechanism are analyzed and simulated. The result shows that the mechanism is of favorable operability, flexibility, and stiffness characteristics, and its torque transmission is within the specified workspace. Lastly, inverse dynamics equations of the mechanism are modeled by Newton-Euler formulation;the relationship among driving forces, constraint forces and motion parameters are obtained. A computational example is provided. |
| Author | 李剑锋 徐成辉 陶春静 季润 李世才 张兆晶 |
| AuthorAffiliation | 北京工业大学机械工程与应用电子技术学院,北京100124 北京工业大学北京市先进制造技术重点实验室,北京100124 国家康复辅具研究中心,北京100176 |
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| Author_FL | TAO Chun-Jing XU Cheng-Hui JI Run LI Jian-Feng ZHANG Zhao-Jing LI Shi-Cai |
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| DocumentTitleAlternate | A Parallel Ankle Rehabilitation Mechanism and Its Performance Analysis Based on 3-UPS/RRR |
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| Keywords | Newton-Euler Ankle rehabilitation 力矩传递性能 parallel mechanism 并联机构 torque transmission performance 约束支链 踝关节康复 constrained branched chain 牛顿-欧拉法 |
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| Notes | Based on the physiological anatomical structure and movement characteristics analysis of human ankle joint, a 3 degree of freedom （DoF） 3-UPS/RRR ankle rehabilitation parallel mechanism is presented. Its three active branched chain inclination arrangement avoids the singular configuration of the mechanism and meets the required ankle rehabilitation workspaces. By means of constraint branches and the moving platform, the mechanism center of rotations matches the patient＇s ankle center of rotations. Inverse kinematics is solved analytically velocity Jacobian matrix and statics Jacobian matrix are established, and mechanism workspace is coped with. Moreover, in view of Jacobian matrix, kinematics performance and statics performance of the mechanism are analyzed and simulated. The result shows that the mechanism is of favorable operability, flexibility, and stiffness characteristics, and its torque transmission is within the specified workspace. Lastly, inverse dynamics equations of the mechanism are modeled by N |
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| Publisher | 北京工业大学北京市先进制造技术重点实验室 北京 100124%国家康复辅具研究中心 北京 100176 北京工业大学机械工程与应用电子技术学院 北京 100124 |
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| Snippet | ... 基于踝关节的生理解剖结构和运动特性分析，提出了一种适用于踝关节康复的3自由度3-UPS/RRR... |
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| SubjectTerms | 力矩传递性能 并联机构 牛顿-欧拉法 约束支链 踝关节康复 |
| Title | 基于3-UPS／RRR的并联踝关节康复机构及其性能分析 |
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