Abstract

Recently, research and development in robotics of rehabilitation and power assist have focused on pneumatically driven robots, because of their low cost, light weight, and simple systems. Because there is a failure characteristic in the pneumatic actuators, it is possible to build a safe and flexible drive. As drive mechanism of pneumatically driven robots, we take particular note of Mckibben-type pneumatic actuator. We developed a low-pressure, low-volume pneumatic actuator in previous studies. However, generative force of this pneumatic actuator is small, if you use equipment such as rehabilitation assistance. To solve this problem, we develop originally membrane-type pneumatic actuators. We reveal the characteristics of a pneumatic actuator from experiment. We construct a model of the relationship between pressure and force on the results.

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