Control method and control system of electro-hydraulic proportional directional valve
An electro-hydraulic proportional and control method technology, applied in the field of electro-hydraulic proportional directional valve control system, electro-hydraulic proportional directional valve control, and electro-hydraulic proportional directional valve for engineering cranes, can solve the problem of limited response delay effect of electro-hydraulic proportional directional valve, The handle's anti-misoperation range is small, the response delay is too long, etc., to improve the quickness and flexibility, the effect is obvious, and the realization is convenient.
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[0059] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the protection scope of the present invention is not limited to the following specific embodiments. .
[0060] see figure 1 with image 3 ,in figure 1 A schematic diagram showing the structure of an electro-hydraulic proportional directional valve widely used on construction machinery equipment, image 3 A block diagram showing the response flow during the control process of the electro-hydraulic proportional directional valve. The main process of the electro-hydraulic proportional directional valve is that the operator pulls the control handle, the control handle converts the signal of the movement range into an electrical signal and transmits it to the controller, the controller processes the electrical...
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