Abstract
In order to achieve better tracking accuracy effectively, a new smooth and near time-optimal trajectory planning approach is proposed for a parallel manipulator subject to kinematic and dynamic constraints. The complete dynamic model is constructed with consideration of all joint frictions. The presented planning problem can be solved efficiently by formulating a new limitation curve for dynamic constraints and a reduced form for jerk constraints. The motion trajectory is planned with quartic and quintic polynomial splines in Cartesian space and septuple polynomial splines in joint space. Experimental results show that smaller tracking error can be obtained. The developed method can be applied to any robots with analytical inverse kinematic and dynamic solutions.
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Recommended by Associate Editor Seul Jung under the direction of Editor Hyouk Ryeol Choi. This work was supported by the National Natural Science Foundation of China (No. 51275353, 51265289 and 51575544), Tianjin Natural Science Foundation of China (No. 14JCZDJC39100 and 12JCYBJC12200), Macao Science and Technology Development Fund (108/2012/A3 and 110/2013/A3), and Research Committee of University of Macau (MYRG2015-00194-FST and MYRG203(Y1-L4)-FST11-LYM).
Liang Liu received his B.S. degree in Electrical Engineering in 2001 and his M.S. degree in Electrical Engineering in 2006 from the School of Electrical Engineering both at Tianjin University of Technology, China. He received the second M.S. degree in Mechanical Engineering from Tianjin University of Technology in 2010. He is currently pursuing a Ph.D. from the School of Mechanical Engineering at Tianjin University, China. His research interests include robotics, mulitbody dynamics, and motion control.
Chaoying Chen received his B.S. degree in computer science in 1982 from the Harbin Institute of Technology, China and his M.S. degree in computer science in 1988 from the Free University of Brussels, Belgium. His research interests include robotics and inertial navigation.
Xinhua Zhao received his B.S. degree in Machinery Manufacturing Technolog-y in 1985 and his M.S. degree in Mechanical Engineering in 1988, both from Northeast Heavy Machinery Institute, China. He received his Ph.D. in Mechanical Design and Theory in 2000 from Tianjin University, China. He then joined the School of Mechanical Engineering at Tianjin University of Technology, China. He developed 3-RRRU parallel manipulator, 2-RRU&RRS parallel manipulator, and 2-PPU&PPS parallel manipulator. His research interests are robotics, mechanical design, dynamics, and control.
Yangmin Li received the B.S. and M.S. degrees from Jilin University, Changchun, China, in 1985 and 1988, respectively, and the Ph.D. degree from Tianjin University, Tianjin, China, in 1994, all in mechanical engineering. He is currently a Full Professor of electromechanical engineering with the University of Macau, Macau, China, he is the Director of the Mechatronics Laboratory. He is also a Tianjin Thousands of Talents Plan Chair Professor with the Tianjin University of Technology. He has authored or coauthored 356 scientific papers in journals and conferences. His research interests include micro-/nanomanipulation, nanorobotics, micromanipulators, mobile robots, modular robots, multibody dynamics, and control. He is a member of the American Society of Mechanical Engineers and a senior member of IEEE. From 2009 to 2012, he served as the Technical Editor of the IEEE/ASME Transactions on Mechatronics. He served as an Associate Editor of the IEEE Transactions on Automation Science Engineering from 2009 to 2013.
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Liu, L., Chen, C., Zhao, X. et al. Smooth trajectory planning for a parallel manipulator with joint friction and jerk constraints. Int. J. Control Autom. Syst. 14, 1022–1036 (2016). https://doi.org/10.1007/s12555-014-0495-4
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DOI: https://doi.org/10.1007/s12555-014-0495-4