_In this paper we propose a new forthcoming research topic, the Intelligent Assisting System_IAS. Using this system, we are approaching the identification and analysis of human manipulation skills to be used for intelligent human operator assistance. A manipulation skill database enables the IAS to perform complex manipulations at the motion control level. Through repeated interaction with the operator for unknown environment states, the manipulation skills in the database can be increased on-line. A model for manipulation skill based on the grip transformation matrix is proposed, which describes the transformation between the object trajectory and the contact conditions. The dynamic behaviour of the grip transform is regarded as the essence of the performed manipulation skill. We describe the experimental system set-up of a skill acquisition and transfer system as a first approach to the IAS. A simple example of manipulation shows the feasibility of the proposed manipulation skill model. Furthermore, this paper derives a control algorithm that realizes object task trajectories, and its feasibility is shown by simulation.
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