Julien Villemure

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Many people who have to rely on powered wheelchairs find it hard to fulfill daily navigation tasks with their chairs. The SmartWheeler project aims at developing an intelligent wheelchair that minimizes the physical and cognitive load required in steering it. In this paper we briefly outline the SmartWheeler project and its goals. We then argue that it is(More)
Robotics technology has made progress on a number of important issues in the last decade. However many challenges remain when it comes to the development of systems for human-robot interaction. This paper presents a case study featuring a robust dialogue interface for human-robot communication onboard an intelligent wheelchair. Underlying this interface is(More)
Many people with mobility impairments, who require the use of powered wheelchairs, have difficulty completing basic maneuvering tasks during their activities of daily living (ADL). In order to provide assistance to this population, robotic and intelligent system technologies have been used to design an intelligent powered wheelchair (IPW). This paper(More)
Many people who have to rely on electric wheelchairs find it hard or even impossible to fulfill daily navigation tasks with their chairs. The SmartWheeler project aims at developing an intelligent wheelchair that minimizes the physical and cognitive load required in steering it. In this paper we briefly outline the SmartWheeler project and its goals. We(More)
Decision-making under uncertainty has become critical as autonomous and semiautonomous agents become more ubiquitious in our society. These agents must deal with uncertainty and ambiguity from the environment and still perform desired tasks robustly. Partially observable Markov decision processes (POMDPs) provide a principled mathematical framework for(More)
New-generation, intelligent, powered wheelchairs promise to increase the mobility and freedom of individuals with serious chronic mobility impairments. And while rapid progress continues to be made in terms of the engineering capabilities of robotic wheelchairs, many projects fall short of the target in terms of ease of use, conviviality, and robustness.(More)
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