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This paper proposes a novel control architecture for bilateral teleoperation with time delay. The proposed bilateral teleoperation system has transparency under the presence of time delay. The conventional bilateral teleoperation system cannot have transparency under time delay because the control goals are not clear and inappropriate in the presence of time delay. The proposed method utilizes the...
In bilateral control system under time delay, contact motion becomes unstable. Damping injection is the method to stabilize contact motion. However, large operational force is induced by damping injection and operationality is deteriorated. To solve this deteriorating, this paper proposes damping injection without deteriorating operationality. In proposed method, free motion and contact motion are...
This paper proposes a novel method to improve the stability of time-delayed bilateral control systems. 3-channel bilateral control system is one of teleoperation systems with haptic feedback. It can transmit haptic sense without large operational force even under time delay. However, the stability of contact motion with hard environments is not ensured. Therefore, this paper proposes a new damping...
This paper introduces a method to realize multilateral teleoperation(multi operator/multi robot teleoperation) under time delay. This method provides stability regardless of the size of the delay and good performance including force feedback. We first introduce the four channel based multilateral control scheme to realize multilateral teleoperation and show using small gain theorem that as in traditional...
This paper presents an augmented 4 channel architecture for stable teleoperation under time delay by using damping injection on each robot. The 4 channel architecture is optimized for good performance, but can easily become unstable under delay. By introducing local damping to the robots, we can obtain a 4 channel teleoperation architecture which is more robust against time delays. By using the hybrid...
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