Electromagnetic valve performance analysis method based on multi-physical field optimization

An analysis method and multi-physics technology, applied in design optimization/simulation, geometric CAD, CAD numerical modeling, etc., can solve problems such as large deviations of response characteristic parameters, reduce development costs, avoid calculation errors, and be fast and accurate Optimized effect

Active Publication Date: 2020-02-28
SOUTH CHINA UNIV OF TECH
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

This method can obtain the response characteristic parameters of the solenoid valve, and further analyze the performance of the solenoid valv

Method used

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  • Electromagnetic valve performance analysis method based on multi-physical field optimization
  • Electromagnetic valve performance analysis method based on multi-physical field optimization
  • Electromagnetic valve performance analysis method based on multi-physical field optimization

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0031] Such as figure 1 As shown, a solenoid valve performance analysis method based on multi-physics field optimization includes the following steps:

[0032] S1. Establish a dynamic electromagnetic differential equation: the electric field and magnetic field of the solenoid valve are coupled through the flux linkage. When the solenoid valve coil is energized, a magnetic field is generated around the solenoid valve coil due to electromagnetic induction. The magnetic field acts on the valve core, causing the valve core to move, thus changing The magnetic resistance at the air gap of the spool changes the magnetic flux accordingly. According to Kirchhoff’s voltage law, the driving voltage of the solenoid valve can be divided into a resistance component and an inductance c...

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Abstract

The invention discloses an electromagnetic valve performance analysis method based on multi-physical-field optimization, and the method comprises the steps: building an electromagnetic differential equation and a valve element kinetic equation of a dynamic process of an electromagnetic valve through employing theoretical knowledge according to a plurality of physical fields related to the electromagnetic valve; according to the established mathematical physical model, calculating by utilizing finite element software to obtain part of physical field input parameters required in the equation; and then subjecting the mathematical model of the electromagnetic valve to joint simulation through mathematical calculation software, so that the performance law of the electromagnetic valve is furtherresearched, and meanwhile, electromagnetic valve design parameters in a joint simulation model are optimized by utilizing a genetic algorithm. According to the method, the response characteristic parameters of the electromagnetic valve can be accurately calculated, meanwhile, performance analysis and parameter optimization can be further conducted on the electromagnetic valve, a new method is provided for optimization design of the electromagnetic valve, the design efficiency and the design quality of the electromagnetic valve are improved, and the development cost is reduced. The invention relates to the technical field of electromagnetic valve optimization design.

Description

technical field [0001] The invention relates to the technical field of optimization design of electromagnetic valves, in particular to a method for analyzing the performance of electromagnetic valves based on multi-physics field optimization. Background technique [0002] Due to its compact structure, small size, simple control method, fast response, good repeatability and reliable operation, solenoid valves are widely used in modern automobiles, aviation, nuclear energy and engineering machinery, and are widely used in automotive engines, aircraft engine fuel and cooling. In the power switching and actuators of electromechanical hydraulic control systems such as lubrication systems, landing gear hydraulic systems, rudder surface control systems, and mechanical operating arms, the stability and reliability of solenoid valve performance will directly affect the quality and quality of the entire electromechanical hydraulic control system and even equipment movement. Safety. S...

Claims

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Application Information

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IPC IPC(8): G06F30/23G06F30/17G06F111/10
Inventor 上官文斌郭长建贺频艳段耀龙王新玲虞宁
Owner SOUTH CHINA UNIV OF TECH
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