1.陕西工业职业技术学院 机械工程学院, 陕西 咸阳 712000
2.武警工程大学 信息工程学院, 陕西 西安 710086
王丽(1982— ),女,陕西合阳人,硕士,讲师,研究方向为机器人动力学及其控制。
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王丽,王蓉.3-RRR球面并联机器人运动干涉检查及工作空间研究[J].机械传动,2021,45(07):30-36.
Wang Li,Wang Rong.Motion Interference Inspection and Workspace Research of 3-RRR Spherical Parallel Robot[J].Journal of Mechanical Transmission,2021,45(07):30-36.
王丽,王蓉.3-RRR球面并联机器人运动干涉检查及工作空间研究[J].机械传动,2021,45(07):30-36. DOI: 10.16578/j.issn.1004.2539.2021.07.005.
Wang Li,Wang Rong.Motion Interference Inspection and Workspace Research of 3-RRR Spherical Parallel Robot[J].Journal of Mechanical Transmission,2021,45(07):30-36. DOI: 10.16578/j.issn.1004.2539.2021.07.005.
为了将3-RRR球面并联机器人用于空间定位跟踪的执行机构,以欧拉角描述机器人末端动平台的姿态,建立机器人位置方程,得到了关节转角的表达式。用几何分析的方法给出了机器人具有姿态空间的必要条件以及各关节必须满足的结构约束。将球面机构的连杆表示为球面上的大圆弧,连杆发生的运动干涉表现为两连杆圆弧的相交,采用球极映射的方法将代表连杆的空间圆弧映射为平面曲线,从而使得空间圆弧求交点问题简化为平面曲线求交。同时,考虑并联机器人在动平台的每个姿态下具有多种位置和每个连杆具有两侧边界的实际情形,提出了判别并联机器人发生运动学干涉的准则和流程。在实例中,以机器人各分支同时具有满足关节结构约束条件的运动学解为目标,探索出机器人姿态空间,进一步对姿态空间每一点进行运动干涉判别,得到了连杆运动干涉在姿态空间的分布。
The 3-RRR spherical parallel robot is applied as the actuator for spatial positioning and tracking,the Euler angle is described the pose of the robot end moving platform. The robot position equation is established,and the expression of joint angle is obtained. The necessary conditions of the robot have space and the structural constraints that each joint must satisfy are given by means of geometric analysis. The connecting rod of spherical mechanism is represented as a large circular arc on the spherical surface. The motion interference of the connecting rod is shown as the intersection of two connecting rod arcs. The spatial arc representing the connecting rod is mapped to a plane curve by using the method of spherical pole mapping. The problem of finding the intersection point of spatial circular arc is simplified to the intersection of plane curve. At the same time,considering the actual situation that the parallel robot has multiple positions in each posture of the moving platform and each link has two sides of the boundary. The criterion and process of identifying the kinematic interference of the parallel robot is proposed. In the example,the attitude space of the robot is explored by taking the kinematics solution of each branch of the robot satisfying the constraint conditions of joint structure as the target,and the motion interference discrimination of each point in the attitude space is further carried out,and the distribution of the motion interference of the linkage in the attitude space is obtained.
并联机器人球极映射运动干涉工作空间
Parallel robotSphere pole mappingMotion interferenceWorkspace
CHEN X,CHEN Z,XIE T.The synthesis of a stewart platform for a specific workspace with a genetic algorithm[J].High Technology Letters,2004(3):66-69.
MENG Q,XIE F,LIU X J.Conceptual design and kinematic analysis of a novel parallel robot for high-speed pick-and-place operations[J].Frontiers of Mechanical Engineering,2018,13(2).211-224.
MOSTASHIRI N,AKBARZADEH A,REZAEI A.Implementing the homotopy continuation method in a hybrid approach to solve the kinematics problem of spatial parallel robots[J].Intelligent Service Robotics,2017,10(3):257-270.
FARZANEH K M,MASOULEH M T,CARO S.Collision-free workspace of parallel mechanisms based on an interval analysis approach[J].Robotica,2016,35(8):1747-1760.
刘大炜,王立平.基于工作空间的4RRR冗余并联机构支链优化[J].清华大学学报(自然科学版),2010,50(8):1239-1242.
LIU Dawei,WANG Liping.4RRR redundant parallel mechanism branch chain optimization based on workspace[J].Journal of Tsinghua University (Natural Science Edition),2010,50(8):1239-1242.
运红丽,王欣欣,粘松鸽.3-UPS型并联机构的工作空间分析与参数优化[J].机械设计,2013,30(11):42-46.
YUN Hongli,WANG Xinxin,NIAN Songge.3-UPS parallel mechanism workspace analysis and parameter optimization[J].Journal of Mechanical Design,2013,30(11):42-46.
李浩,张玉茹,王党校.6-RSS并联机构工作空间优化算法对比分析[J].机械工程学报,2010,46(13):61-67.
LI Hao,ZHANG Yuru,WANG Dangxiao.Comparative analysis of 6-RSS parallel mechanism workspace optimization algorithms[J].Journal of Mechanical Engineering,2010,46(13):61-67.
周结华,彭侠夫.三自由度冗余驱动并联机构的奇异性和工作空间分析[J].中国机械工程,2014,25(6):751-756.
ZHOU Jiehua,PENG Xiafu.Analysis of the singularity and working space of a three-degree-of-freedom redundant drive parallel mechanism[J].China Mechanical Engineering,2014,25(6):751-756.
史革盟,鲁开讲.并联机构工作空间与奇异位形分析[J].机械传动,2014,38(11):54-59.
SHI Gemeng,LU Kaijiang.Work space and singular configuration analysis of parallel mechanism[J].Journal of Mechanical Transmission,2014,38(11):54-59.
魏宏波.并联机构运动干涉的判别方法[J].机械设计,2015,32(11):40-46.
WEI Hongbo.The method of judging the movement interference of parallel mechanism[J].Journal of Machine Design,2015,32(11):40-46.
王丽.基于3-RRR球面并联机器人的空间定位问题研究[J].机械传动,2019,43(10):18-22.
WANG Li.Research on spatial positioning of 3-RRR spherical parallel robots[J].Journal of Mechanical Transmission,2019,43(10):18-22.
周少瑞,刘宏昭.一种3-CRC/RCR对称并联机器人机构工作空间及运动学分析[J].中国机械工程,2017,28(20):2500-2507.
ZHOU Shaorui,LIU Hongzhao.Work space and kinematics analysis of a 3-CRC/RCR symmetrical parallel robot mechanism[J].China Mechanical Engineering,2017,28(20):2500-2507.
叶鹏达,尤晶晶,仇鑫,等.Stewart衍生型并联机器人的工作空间分析[J].机械设计与研究,2020,36(4):48-51.
YE Pengda,YOU Jingjing,QIU Xin,et al.Workspace analysis of Stewart-derived parallel robots[J].Machine Design and Research,2020,36(4):48-51.
刘卓,连宾宾,李祺.基于有限和瞬时旋量理论的Exechon并联机器人运动学分析[J].工程设计学报,2020,36(4):357-363.
LIU Zhuo,LIAN Binbin,LI Qi.Kinematics analysis of Exechon parallel robot based on finite and instantaneous screw theory[J].Chinese Journal of Engineering Design,2020,36(4):357-363.
房海蓉,李壮壮.新型大转角2T2R并联机构的设计与分析[J].北京航空航天大学学报,2020,46(3):465-473.
FANG Hairong,LI Zhuangzhuang.Design and analysis of a new type of large-angle 2T2R parallel mechanism[J].Journal of Beijing University of Aeronautics and Astronautics,2020,46(3):465-473.
李典,郭盛.一种变工作空间并联机构的设计及应用[J].中南大学学报(自然科学版),2020,51(10):2800-2810.
LI Dian,GUO Sheng.The design and application of a parallel mechanism with variable working space[J].Journal of Central South University(Science and Technology),2020,51(10):2800-2810.
张立杰,刘辛军.球面三自由度并联机器人可达工作空间的研究[J].中国机械工程,2001,12(10):1122-1124.
ZHANG Lijie,LIU Xinjun.Research on reachable workspace of spherical 3-DOF parallel robot[J].China Mechanical Engineering,2001,12(10):1122-1124.
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