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In the coming advanced age society, an innovative technology to assist the activities of daily living of elderly and disabled people and the heavy work in nursing is desired. A wearable power assist robot is one of effective approaches as such a technology, which is equipped to the human body to assist the muscular force. Since this kind of robot directly acts on the human body, it should be friendly...
This study focuses on developing a safe, lightweight, power assist device that can be worn by people who like caregivers during lifting or static holding tasks to prevent low back pain (LBP). Therefore in consideration of their flexibility, light weight, and large force to weight ratio we have developed a Wearable Power Assist Wear for caregivers, two types of pneumatic actuators are employed in assisting...
Many kinds of power assist device have been developed, and are driven with various actuators such as an electric motor, a hydraulic cylinder and so on. By using the exoskeleton, a high generated torque actuator can be introduced. An assist performance of these devices becomes high. On the other hand, a realization of exoskeleton which has the same D.O.F of a human is not easy from considerations about...
Many kinds of power assist device have been developed, and are driven with various actuators such as an electric motor, a hydraulic cylinder and so on. By using the exoskeleton, a high generated torque actuator can be introduced. An assist performance of these devices becomes high. On the other hand, a realization of exoskeleton which has the same D.O.F of a human is not easy from considerations about...
We propose a technology for manipulating the position and orientation of an object in a contactless manner over an extended range. This technology involves multiple ejectors that stream jets of compressed air onto an object from various directions. By regulating the air jet directions and flow rates, the object can be actively “force closured” and its position and orientation can be manipulated freely...
A conventional curved type pneumatic rubber artificial muscle is composed of an internal bladder covered with a bellows sleeve extending axially. By inhibiting the extension of one side with a fiber reinforcement, bending motion occurs when air is supplied to the bladder. In this study, we developed a new actuator by replacing the fiber reinforcement with a shape-memory polymer (SMP). The SMP can...
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