1. Ph.D. thesis, Department of Design, Engineering and Production, Delft University of Technology, Delft, The Netherlands;Herder,2001
2. Gravity compensation in robotics;Arakelian;Adv. Robot.,2016
3. Static balancing of spatial three-degree-of-freedom parallel mechanisms;Wang;Mech. Mach. Theory,1999
4. Static balancing of spatial four-degree-of-freedom parallel mechanisms;Wang;Mech. Mach. Theory,2000
5. On the design of gravity-compensated six-degree-of-freedom parallel mechanisms, in: IEEE International Conference on Robotics and Automation (ICRA), May 20;Gosselin,1998