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In this paper, we propose an omnidirectional electric wheelchair (OEW). The proposed OEW has four omniwheels for the omnidirectional movement. Two of the omniwheels are arranged to X-axis direction and the other two are arranged to Y-axis direction. By controlling the movement of the omniwheels, the OEW can instantaneously rotate and move in all directions. Hence that, especially in the narrow spaced...
This paper describes an algorithm of behavior labeling and anomaly detection for elder people living alone. In order to grasp the personpsilas life pattern, we set some pyroelectric sensors in the house and measure the personpsilas movement data all the time. From those sequential data, we extract two kinds of information, time and duration, and calculate two-dimensional probabilistic density function...
The authors proposed a methodology of assisting the patients who were suffering from mobility impairment of finger and thumb joints, with exoskeletal devices. The types of exoskeletal assistive devices for such patients were categorized into several groups based on required functions which are derived from the patients' condition. One of the categories, "joint motion compensator" is a novel...
The authors propose an exoskeletal robotic hand for assisting the rheumatoid arthritis patients physically. In this paper, we categorized the types of exoskeletal devices into five groups, based on the patients' condition or capability of movement. Then, we constructed a prototype of one of the groups, which amplifies the motion of index-finger PIP joint. Some verification experiments were conducted,...
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