In this paper, a pneumatic actuator position servo system is described, which controlled by a five-point switch PWM control method using high-speed switching valves.

本文使用一种五点开关pwm控制算法对高速开关阀控气动执行器进行位置伺服控制。

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The 360 app will take pictures using the phone's built-in five megapixel camera, and will act as a method of establishing the satellite's position.

BBC: Smartphone fired into space to see if screams can be heard