1Bhaskar Dasgupta, et al. Singularity-Free Path Planning for the Stewart Platform Manipulator[J]. Mech. Mach. Theory, 1998, 33(6):711～725
2Z. Huang, Y. S. Zhao, J.Wang, J.J.Yu. Kinematic Principle and Geometrical Condition of Gerneral Linear-Complex Special Configuration of Parallel. Mech. Mach. Theory, 34(1999)1171～ 1186
3Prasun Choudhury, Ashitava Ghosal. Singularity and controllability analysis of parallel manipulators and closed-loop mechanisms. Mech.Maeh. Theory, 35(2000)1455～1479
4Tuna Balkan,et al. A method of inverse kinematics solution including singular and multiple configuration for a class of robotic manipulators. Mech. Mach. Theory, 35(2000)1221 ～ 1237
5J.Michael McCarthy, R.Mohan Bodduluri. Avoiding singular conrigu rations in finite position synthesis of spherical 4R linkages. Mech.Mach. Theory, 35(2000)451 ～ 462
