A servo control method, device and system
A technology of servo control and feedback signal, applied in the direction of control using feedback, etc., to achieve the effect of stable sensing signal, accurate judgment, and small size
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[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.
[0061] The present invention provides an embodiment of a servo control method, which is used to control the movement of a piston in a pneumatic actuator. The piston divides the pneumatic actuator into a first chamber and a second chamber. The method includes:
[0062] Obtain a position feedback signal, which is generated by a non-contact displacement sensor located outside the pneumatic actuator and used to identify the position of the piston;
[0063] According to the position of the piston, the valve switch connected with the first chamber and the s...
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Abstract
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