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Theses

Faciliter la téléopération d'un robot mobile non-holonome

Abstract : Enabling older people to live in their homes as long as possible is supposed to respond to the growth of life expectancy in the west and the increasing costs to society. The present thesis was conducted in the framework of the companionable, which aims to provide an integrated smart home - robot for the elderly, which are living alone. The objective is to maintain the end of life comfort at a high level and to deal with dangerous situations for them, such as falls, before the consequences become too costly. The elements that interest me in this context are the robot and the remote operator, which is outside the home, and can teleoperate the robot to interact with the elderly, for recreational activities ( videoconferencing, cognitive stimulation exercises) or for emergency situations (falls, loss of consciousness, etc.). To keep the system costs to a reasonable level, we considered using the public internet as the connection between the master site (where the operator is) and the slave site (where the robot is). another unique feature of our system is that users are not specialists in teleoperation. As such, i tried to ease the task of controlling the robot, in this specific context. On the remote control interface side, we tried to help the operator in dealing with the problems associated with transmission delays (due to the possible use of the internet) and we gave him/her the option of using an ecological interface, which uses elements of augmented reality. On the robot side, we added a new command mode, semi-autonomous, so that the operator is more at ease as he/she controls the robot. finally, we examined the possibility of switching from one control mode to another, so that the operator is the least affected by possible disturbances and system performance is kept acceptable. The proposed solutions have been implemented on a real system and evaluated in the laboratory and in real situations, in the framework of the european CompanionAble project.
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Paul Nadrag. Faciliter la téléopération d'un robot mobile non-holonome. Automatique / Robotique. Université d'Evry-Val d'Essonne, 2011. Français. ⟨tel-00875810⟩

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