1. Khatib O, Yokoi K, Chang K, et al. Vehicle/arm coordination and multiple mobile manipulator decentralized cooperation. In: Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems. Osaka: IEEE, 1996. 546–553
2. Khatib O, Yokoi K, Brock O, et al. Robots in human environments: Basic autonomous capabilities. Int J Robot Res, 1999, 18: 684–696
3. Bischoff R. HERMES: A humanoid mobile manipulator for service tasks. In: FSR’97 International Conference on Field and Service Robots. Canberra, 1997. 1–8
4. Helms E, Schraft R D, Hagele M. Rob@work: Robot assistant in industrial environments. In: Proceedings of 11th IEEE International Workshop on Robot and Human Interactive Communication. Berlin: IEEE, 2002. 399–404
5. Stopp A, Horstmann S, Kristensen S, et al. Towards interactive learning for manufacturing assistants. In: Proceedings of 10th IEEE International Workshop on Robot and Human Interactive Communication. Paris: IEEE, 2001. 338–342