1.中南大学 机电工程学院, 湖南 长沙 410083
2.中南大学 轻合金研究院, 湖南 长沙 410083
3.中南大学 高性能复杂制造国家重点实验室, 湖南 长沙 410083
张绪烨(1993— ),男,湖北黄石人,硕士研究生,主要研究方向为机器人定位。
李群明(1969— ),男,湖南长沙人,博士,副教授,主要研究方向为机器人学、机电控制及自动化。
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张绪烨,李群明,韩志强等.基于激光扫描测量臂的工业机器人运动学标定[J].机械传动,XXXX,XX(XX):127-133.
Zhang Xuye,Li Qunming,Han Zhiqiang,et al.Kinematics Calibration Method for Six-axis Industrial Robot based on Laser Scanning Measuring Arm[J].Journal of Mechanical Transmission,XXXX,XX(XX):127-133.
张绪烨,李群明,韩志强等.基于激光扫描测量臂的工业机器人运动学标定[J].机械传动,XXXX,XX(XX):127-133. DOI: 10.16578/j.issn.1004.2539.2019.11.023.
Zhang Xuye,Li Qunming,Han Zhiqiang,et al.Kinematics Calibration Method for Six-axis Industrial Robot based on Laser Scanning Measuring Arm[J].Journal of Mechanical Transmission,XXXX,XX(XX):127-133. DOI: 10.16578/j.issn.1004.2539.2019.11.023.
提出一种基于激光扫描测量臂测量系统的6轴工业机器人运动学标定方法。分析了机器人本身的运动偏差和综合考虑测量系统构造的机器人坐标系与真实基座标系之间的不重合问题;建立机器人末端位置与各连杆参数相关的绝对定位误差方程,基于该误差方程,利用便携式激光扫描测量臂测量系统对不同空间位置姿态下机器人的法兰中心点进行测量,并用最小二乘法对误差方程进行解算,利用计算出的参数误差修正机器人模型中的各名义参数值,可以提高机器人运动的准确度。将该方法应用在Staubli TX90工业机器人上,实验结果表明,机器人的绝对定位精度由标定前的均值/标准差0.742 5 mm /0.191 0 mm减少到标定后的0.242 8 mm/0.098 1 mm,提高了近50%,表明该标定方法的有效性和准确性。
A six-axis industrial robot kinematics calibration method based on laser scanning measurement arm measurement system is proposed. Firstly,the motion deviation of the robot itself is analyzed and the problem of non-coincidence between the robot coordinate system constructed by the measurement system and the real base calibration system is comprehensively considered. The absolute positioning error equation related to the parameters of each end of the robot is established, based on the error equation,using the portable laser scanning measurement arm measurement system, the flange center point of the robot in different spatial position posture is measured, and the error equation is solved by least square method. By using the calculated parameter error, the nominal parameters in the robot model are corrected, the accuracy of the robot movement can be improved. By applying the method to the Staubli TX90 industrial robot,the experimental results show that the absolute positioning accuracy of the robot is reduced from the mean/standard deviation of 0.742 5 mm/0.191 0 mm before calibration to 0.242 8 mm/0.098 1 mm after calibration,which is increased by nearly 50%,indicating the validity and accuracy of the calibration method.
工业机器人 绝对定位精度 便携式激光扫描测量臂 最小二乘法 运动学标定
Industrial robotAbsolute positioning accuracyPortable laser scanning measuring armLeast squares methodKinematics calibration
李峻宏,高建波,李际周,等.中子衍射残余应力无损测量与谱仪研发[J].无损检测,2010,32(10):765-769.
孙光爱,陈波,黄朝强.中子衍射应力分析实验技术[J].中国核科技报告,2009(1):1-12.
张旭,郑泽龙,齐勇.6自由度串联机器人D-H模型参数辨识及标定[J].机器人,2016,38(3):360-370.
李定坤,叶声华,任永杰,等.机器人定位精度标定技术的研究[J].计量学报,2007,28(3):224-227.
齐飞,平雪良,刘洁,等.工业机器人参数辨识及误差补偿方法研究[J].机械传动,2015,39(9):32-36.
王旭,李东升,王明明.工业机器人大负载刚度辨识及误差补偿研究[J].机械传动,2017,41(5):39-42.
任永杰,邾继贵,杨学友,等.利用激光跟踪仪对机器人进行标定的方法[J].机械工程学报,2007,43(9):195-200.
DENAVIT J,HARTENBERG R S.A kinematic notation for lower-pair mechanisms based on matrices[J].Journal of Applied Mechanics,1955(22):215-221.
陈宵燕,张秋菊,孙沂琳,等.工业机器人位姿误差空间IDSW插值补偿方法研究[J].机械科学与技术,2017,36(3):378-385.
NUBIOLA A,BONEV I A.Absolute robot calibration with a single telescoping ballbar[J].Precision Engineering,2014,38:472-480.
WHITNEY D E,LOZINSKI C A,ROURKE J M.Industrial robot forward calibration method and results[J].Journal of Dynamic Systems,Measurement,and Control,1986,108(1):1-8.
NUBIOLA A.Calibration of a serial robot using a laser tracker[D].Montréal:École de Technologie Supérieure,2011:23-27.
CHRIS L ,SAMUEL H,TONY S,et al.Improved positioning accuracy of the PA10-6CE robot with geometric and flexibility calibration[J].IEEE Transactions on Robotics,2008,24(2):452-456.
吴晗,李巍,董明利.基于RANSAC的便携式激光扫描测量臂手眼标定方法[J].计算机工程与应用,2017,53(23):256-260.
丁学亮.Staubli工业机器人标定算法和实验研究[D].杭州:浙江理工大学,2014:17-18.
南小海.6R型工业机器人标定算法与实验研究[D].武汉: 华中科技大学,2008:23-24.
王品,廖启征,庄育锋,等.一般7R串联机器人标定的仿真与实验[J].机器人,2006,28(5):483-487.
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