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In rehabilitation field, clean actuators driven by water are required. In particular, water hydraulic McKibben muscles receive remarkable publicity. However, pressure level of tap-water in Japan is not sufficient to drive the actuators. To overcome the problem, a novel pressure intensifier for water hydraulic McKibben muscles is developed. The intensifier is driven by only tap-water and its working...
In typical pneumatic driving system, the cost of control valve occupies in major cost of the whole system. In addition, in wearable driving system, the mass and size of valve become serious concerns compared with wearable actuator such as a rubber artificial muscle. In our previous study, a low-cost and small-sized servo valve using buckled tubes was proposed and developed. In this paper, the compactification...
In a pneumatic driving system, a servo valve is most expensive equipment compared with pneumatic actuators. In a wearable driving system, the mass and size of a valve also becomes serious concern. The purpose of this study is to reduce the burden of the user by using a small and light-weight quasi-servo valve that consists of inexpensive on/off valves and an embedded controller. The relation between...
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