[1] C F Yang, Q T Huang, J W Han, et al. Decoupling control for spatial six-degree-of-freedom electro-hydraulic parallel robot. Robotics and Computer-Integrated Manufacturing, 2012, 28(1): 14-23.
[2] S H Koekebakker. Coordinate reconstruction in model based control of a stewart platform. IFAC Proceedings Volumes, 1998, 31(27): 103-108.
[3] D Wang, J Wu, L P Wang, et al. A method for designing control parameters of a 3-DOF parallel tool head. Mechatronics, 2017: 102-113.
[4] J T Yao, D L Wang, D J Cai, et al. Fault-tolerant strategy and experimental study on compliance assembly of a redundant parallel six-component force sensor. Sensors and Actuators A-Physical, 2017: 114-124.
[5] M Honegger, R Brega, G Schweiter, et al. Application of a nonlinear adaptive controller to a 6 DOF parallel manipulator. International Conference on Robotics and Automation, San Francisco, California, 2000: 1930-1935.
[6] A Shukla, H Karki. Modeling simulation & control of 6-DOF parallel Manipulator using PID controller and compensator. IFAC Proceedings Volumes, 2014, 47(1): 421-428.
[7] P S Londhe, Y Singh, M Santhakumar, et al. Robust nonlinear PID-like fuzzy logic control of a planar parallel (2PRP-PPR) manipulator. ISA Transactions, 2016: 218-232.
[8] H Cheng, Y K Yiu, Z X Li, et al. Dynamics and control of redundantly actuated parallel manipulators. IEEE/ASME Transactions on Mechatronics, 2003, 8(4): 483-491.
[9] A Codourey. Dynamic modeling of parallel robots for computed-torque control implementation. The International Journal of Robotics Research, 1998, 17(12): 1325-1336.
[10] H Abdellatif, B Heimann. Advanced model-based control of a 6-DOF hexapod robot: a case study. IEEE/ASME Transactions on Mechatronics, 2010, 15(2): 269-279.
[11] J S Wang, J Wu, L P Wang, et al. Dynamic feed-forward control of a parallel kinematic machine. Mechatronics, 2009, 19(3): 313-324.
[12] W W Shang, S Cong, Y Ge, et al. Adaptive computed torque control for a parallel manipulator with redundant actuation. Robotica, 2012, 30(3): 457-466.
[13] L Ren, J K Mills, D Sun, et al. Experimental comparison of control approaches on trajectory tracking control of a 3-DOF parallel robot. IEEE Transactions on Control Systems and Technology, 2007, 15(5): 982-988.
[14] H S Kim, Y M Cho, K Lee, et al. Robust nonlinear task space control for 6 DOF parallel manipulator. Automatica, 2005, 41(9): 1591-1600.
[15] D H Kim, J Y Kang, K Lee, et al. Robust tracking control design for a 6 DOF parallel manipulator. Journal of Robotic Systems, 2000, 17(10): 527-547.
[16] T D Le, H J Kang, Y S Suh, et al. An online self-gain tuning method using neural networks for nonlinear PD computed torque controller of a 2-DOF parallel manipulator. Neurocomputing, 2013: 53-61.
[17] C F Yang, Q T Huang, J W Han, et al. Computed force and velocity control for spatial multi-DOF electro-hydraulic parallel manipulator. Mechatronics, 2012, 22(6): 715-722.
[18] J Cazalilla, M Valles, V Mata, et al. Adaptive control of a 3-DOF parallel manipulator considering payload handling and relevant parameter models. Robotics and Computer-integrated Manufacturing, 2014, 30(5): 468-477.
[19] Y M Li, Q S Xu. Dynamic modeling and robust control of a 3-PRC translational parallel kinematic machine. Robotics and Computer-integrated Manufacturing, 2009, 25(3): 630-640.
[20] H T Liu, X H Tian, Wang G, et al. Finite-time Hinf control for high-precision tracking in robotic manipulators using backstepping control. IEEE Transactions on Industrial Electronics, 2016, 63(9): 5501-5513.
[21] Y Singh, V Vinoth, Y R Kiran, et al. Inverse dynamics and control of a 3-DOF planar parallel (U-shaped 3-PPR) manipulator. Robotics and Computer-Integrated Manufacturing, 2015: 164-179.
[22] N Hogan. Impedance control: An approach to manipulation: Part Ⅰ-Theory. Journal of Dynamic Systems Measurement and Control-Transactions of the ASME, 1985, 107(1): 1-7.
[23] H Sadjadian, H D Taghiradf. Impedance control of the hydraulic shoulder a 3-DOF parallel manipulator. Robotics and Biomimetics, 2006: 526-531.
[24] H Z Arabshahi, A B Novinzadeh. Impedance control of the 3RPS parallel manipulator. International Conference on Robotics and Mechatronics, Bali, Indonesia, 2014: 486-492.
[25] A K Ghosh. Dynamics and robust control of robotic systems: a bond graph approach. Kharagpur: Indian Institute of Technology, 1990.
[26] P M Pathak, A Mukherjee, A Dasgupta, et al. Impedance control of space robots using passive degrees of freedom in controller domain. Journal of Dynamic Systems Measurement and Control-Transactions of the ASME, 2005, 127(4): 564-578.
[27] W Ye, Q C Li. Type synthesis of lower mobility parallel mechanisms: A review. Chinese Journal of Mechanical Engineering, 2019, 32(1): 1-11.
[28] Q Liu, J L Xiao, X Yang, et al. An iterative tuning approach for feedforward control of parallel manipulators by considering joint couplings. Mechanism and Machine Theory, 2019: 159-169.
[29] S Mohan. Error analysis and control scheme for the error correction in trajectory-tracking of a planar 2PRP-PPR parallel manipulator. Mechatronics, 2017: 70-83.
[30] L Angel, J Viola. Fractional order PID for tracking control of a parallel robotic manipulator type delta. ISA Transactions, 2018: 172-188.
[31] J Mattila, J Koivumaki, D G Caldwell, et al. A survey on control of hydraulic robotic manipulators with projection to future trends. IEEE-ASME Transactions on Mechatronics, 2017, 22(2): 669-680.
[32] W H Ding, H Deng, Y M Xia, et al. Tracking control of electro-hydraulic servo multi-closed-chain mechanisms with the use of an approximate nonlinear internal model. Control Engineering Practice, 2017: 225-241.
[33] H B Guo, Y G Liu, G R Liu, et al. Cascade control of a hydraulically driven 6-DOF parallel robot manipulator based on a sliding mode. Control Engineering Practice, 2008, 16(9): 1055-1068.
[34] S H Chen, L C Fu. Observer-based backstepping control of a 6-dof parallel hydraulic manipulator. Control Engineering Practice, 2015, 36(36): 100-112.
[35] J Koivumaki, J Mattila. Stability-guaranteed force-sensorless contact force/motion control of heavy-duty hydraulic manipulators. IEEE Transactions on Robotics, 2015, 31(4): 918-935.
[36] Y Z Huang, D M Pool, O Stroosma, et al. Long-stroke hydraulic robot motion control with incremental nonlinear dynamic inversion. IEEE/ASME Transactions on Mechatronics, 2019, 24(1): 304-314.
[37] S Yoo, W Lee, W K Chung, et al. Impedance control of hydraulic actuation systems with inherent backdrivability. IEEE/ASME Transactions on Mechatronics, 2019, 24(5): 1921-1930.
[38] Hassan K Khalil. Nonlinear systems. 3rd ed. Prentice Hall, 2001.
[39] C W Wang, L Quan, S J Zhang, et al. Reduced-order model based active disturbance rejection control of hydraulic servo system with singular value perturbation theory. ISA Transactions, 2017, 67: 455-465.
[40] A Zubizarreta, M Larrea, E Irigoyen, et al. Real time direct kinematic problem computation of the 3PRS robot using neural networks. Neurocomputing, 2018, 271: 104-114.
[41] J H Chin, Y Sun, Y M Cheng, et al. Force computation and continuous path tracking for hydraulic parallel manipulators. Control Engineering Practice, 2008, 16(6): 697-709.
