Post-valve pressure compensation system parameter sensitivity analysis method

Abstract

The invention discloses a downstream pressure compensation system parameter sensitivity analysis method, which comprises the following steps of: 1, constructing a power bonding graph model of a downstream pressure compensation system; 2, deducing a state equation of a downstream pressure compensation system; and 3, deducing a parameter sensitivity differential equation of the downstream pressure compensation system, and determining the parameter sensitivity. The invention provides a post-valve pressure compensation system parameter sensitivity analysis method, which establishes a post-valve pressure compensation system mathematical model based on a power bonding graph theory so as to solve the sensitivity analysis problem of a post-valve pressure compensation system, and aims to provide a post-valve pressure compensation system parameter sensitivity analysis method. And a research foundation and a theoretical basis are laid for analyzing key parameters influencing the dynamic characteristics of the load-sensitive proportional multi-way valve in the pressure compensation valve and optimizing the dynamic characteristics of the load-sensitive proportional multi-way valve and design parameters of the pressure compensation valve.

Description

technical field [0001] The present application relates to the technical field of pressure compensation valves, in particular to a parameter sensitivity analysis method of a pressure compensation system after a valve. Background technique [0002] As the core component of the load-sensitive proportional multi-way valve, the pressure compensation valve ensures that the flow required for the action of each actuator is distributed in proportion, so that the movement speed of each actuator is not affected by the load, and the function of the entire valve and even the entire system work performance plays a decisive role. The sensitivity analysis method is used to explore the key parameters affecting the dynamic characteristics of the load-sensitive proportional multi-way valve in the pressure compensation valve, which lays a research foundation and theoretical basis for optimizing the dynamic characteristics of the load-sensitive proportional multi-way valve and the design paramet...

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Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the present invention proposes a parameter sensitivity analysis method of the post-valve pressure compensation system, which establishes a mathematical model of the post-valve pressure compensation system based on the power bond graph to solve the sensitivity analysis problem of the post-valve pressure compensation system , the purpose is to provide a sensitivity analysis method for the post-valve pressure compensation system, to analyze the key parameters affecting the dynamic characteristics of the load-sensitive proportional multi-way valve in the pressure compensation valve and to optimize the dynamic characteristics of the load-sensitive proportional multi-way valve and the pressure compensation valve. Design parameters to lay the research foundation and theoretical basis

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