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首页> 外文会议>International Conference on Information Communication and Embedded Systems >Design of a controller for the pneumatic flow control valve and pressure regulation for application related to pneumatically powered orthosis
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Design of a controller for the pneumatic flow control valve and pressure regulation for application related to pneumatically powered orthosis

机译：用于气动流量控制阀的控制器设计和施用与气动通电矫形器有关的施用压力调节

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摘要

An assistive limb or powered orthosis helps to overcome the physical disability of the differently able. Though conventional orthosis are designed using electrical actuators, a pneumatic actuator proves itself more suitable and preferable with its low cost and clean driving source (i.e. air). A portion of the pneumatically powered orthosis design is addressed in this work. Here an attempt has been made to overcome the issues namely valve damage and pressure drop in air tank. Also a special emphasis is given on controlling the flow-control valve which plays a crucial role in setting the angular velocity of the hip-joint and regulating the input pressure to the pneumatic actuator. For this a PID controller is designed and programmed into a ATmega328 micro-controller. The PID controller response was satisfactory and a desired pressure (1 to 2 bar) corresponding to desired angular velocity (0 to 10 rad/s) was achieved. The powered orthosis is a mobile system and therefore a wireless data acquisition system is designed to retrieve the hip joint angle as primary feedback.
机译：辅助肢体或动力矫形器有助于克服不同能力的物理残疾。虽然使用电动执行器设计了传统的矫形器，但气动致动器通过其低成本和清洁的驱动源（即空气）证明了更适合和优选的。在这项工作中解决了一部分气动动力的矫形器设计。这里已经尝试克服问题即空气箱中的阀门损坏和压降。还给出了控制流量控制阀的特殊重点在于在设定髋关节的角速度并将输入压力调节到气动执行器时起着至关重要的作用。对于此，PID控制器设计并编程到ATMEga328微控制器中。 PID控制器响应是令人满意的，并且实现了对应于所需角速度（0至10 rad / s）的所需压力（1至2巴）。动力矫反效是移动系统，因此无线数据采集系统被设计为作为主要反馈作为主要反馈检索髋关节角度。

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