期刊
IEEE TRANSACTIONS ON HAPTICS
卷 10, 期 1, 页码 5-16出版社
IEEE COMPUTER SOC
DOI: 10.1109/TOH.2016.2581807
关键词
Haptics; shared-control; decision-making; assistance; telerobotics; drift-diffusion models
资金
- European Union [ICT-2013-600796]
- Institute of Advanced Studies of the Technische Universitat Munchen
- National PhD Support Program, Instituto Colombiano para el desarrollo de la Ciencia y la Tecnologia (COLCIENCIAS), Colombia
This paper presents a haptic assistance strategy for teleoperation that makes a task and situation-specific compromise between improving tracking performance or human-machine interaction in partially structured environments via the scheduling of the parameters of an admittance controller. The proposed assistance strategy builds on decision-making models and combines one of them with impedance control techniques that are standard in bilateral teleoperation systems. Even though several decision-making models have been proposed in cognitive science, their application to assisted teleoperation and assisted robotics has hardly been explored yet. Experimental data supports the Drift-Diffusion model as a suitable scheduling strategy for haptic shared control, in which the assistance mechanism can be adapted via the parameters of reward functions. Guidelines to tune the decision making model are presented. The influence of the reward structure on the realized haptic assistances is evaluated in a user study and results are compared to the no assistance and human assistance case.
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