In pneumatic position servo system with proportional directional control valve and control cylinder, the centre adjust emt voltage is one of the important factors that influence control precision.
在比例方向阀控缸气动位置伺服系统中，置中电压是影响控制精度的重要因素之一。
The actual disk arms must find the correct cylinder, the control needs to access the correct blocks, and the disk heads have to wait while the blocks rotate to them.
实际的磁臂必须找到正确的柱面，控制部分需要访问正确的块，并且磁头必须等到这些块旋转到磁头下面。
Design of a hydraulic cylinder test rig, designed their control system.
设计了一台液压缸试验台，设计了其控制系统。
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