1. A cooperative assembly system using two manipulators with precise positioning devices;Arai;Annals of the CIRP,1995
2. Cooperative control of two industrial robots with force control devices;Osumi,1995
3. Minimizing complexity in controlling a mobile robot population;Matarić,1992
4. Motion planning of multiple mobile robots using dynamic groups;Ota,1993
5. Dynamic grouping in multiple mobile robots system;Ota,1993