1. Skogforsk Redogörelse;Ahlgren T.,1982
2. An improved pseudoinverse solution for redundant hydraulic manipulators
3. A weighted least-norm solution based scheme for avoiding joint limits for redundant joint manipulators
4. Chen, W., Zhang, Q., Yang, Z. and Gruver, W.A. Optimizing multiple performance criteria in redundant manipulators by sub-task-priority control. Proc. of the 1995 IEEE International Conf. on Systems, Man, and Cybernetics. Oct, Vancouver, Canada. pp.2534–2539.In:
5. Chen, W., Zhang, Q., Yang, Z. and Gruver, W.A. A new approach to the kinematic control of redundant manipulators. Proc. of the 1995 IEEE International Conf. on Systems, Man, and Cybernetics. Oct, Vancouver, Canada. pp.2528–2533.In: