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Proportional valve hysteresis compensation method and device and electronic equipment

A compensation method and proportional valve technology, applied in the field of valve hysteresis compensation, can solve problems such as low construction efficiency and poor controllability, achieve good linearity, improve controllability and construction efficiency

Pending Publication Date: 2022-04-12
ZHEJIANG SANY EQUIP
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Problems solved by technology

[0005] The invention provides a proportional valve hysteresis compensation method, system and electronic equipment, which are used to solve the defects of poor equipment controllability and low construction efficiency caused by the hysteresis of the proportional valve in the prior art, and realize the hysteresis error optimization of the proportional valve , improve linear braking accuracy

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  • Proportional valve hysteresis compensation method and device and electronic equipment
  • Proportional valve hysteresis compensation method and device and electronic equipment
  • Proportional valve hysteresis compensation method and device and electronic equipment

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Embodiment Construction

[0052] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0053]It should be noted that, in order to make the subsequent description of a proportional valve hysteresis compensation method provided by the present invention easier to understand, the following takes the free-falling hook controlled by the proportional valve as an example, and first discusses the principle and process of using the proportional valve to control the free-falling hook Be e...

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Abstract

The invention provides a proportional valve hysteresis compensation method and device and electronic equipment. The method comprises the steps that action current is obtained; judging whether the action current belongs to a standard stage or not; wherein the standard stage is any one of an ascending stage or a descending stage of the action current; and when the action current does not belong to the standard stage, compensating the action current based on a compensation strategy obtained according to the relationship between the input current and the outlet pressure of the proportional valve obtained by testing. The method and the device are used for overcoming the defects of poor equipment controllability and low construction efficiency caused by hysteresis of the proportional valve in the prior art, realizing hysteresis error optimization of the proportional valve and improving the linear braking accuracy.

Description

technical field [0001] The invention relates to the technical field of valve hysteresis compensation, in particular to a proportional valve hysteresis compensation method, system and electronic equipment. Background technique [0002] As a commonly used pressure control valve, the proportional valve plays an important role in the field of hydraulic control technology. Under ideal conditions, the proportional valve has a linear relationship between the output pressure and the input current, that is, under different circumstances, for the same input current, the output pressure value output by the proportional valve should be equal. However, in fact, for the same input current of the proportional valve under different conditions, there are different deviations between the output outlet pressure and the ideal outlet pressure on the ideal curve. This phenomenon is called hysteresis, and the hysteresis is in the sequence The above performance is the hysteresis of the overall sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D16/20
Inventor 王春义齐芳董梁宗志锋
Owner ZHEJIANG SANY EQUIP
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