One, Introduction
The electro-hydraulic servo valve is an indispensable part of modern industrial automation systems, playing a key role in fields such as automation control, precision measurement, and servo systems. This article will discuss the technical research and application of the electro-hydraulic servo valve, aiming to provide readers with a comprehensive and in-depth understanding.
Two, Technical Research of Electro-hydraulic Servo Valve
The electro-hydraulic servo valve is a device that converts electrical signals into hydraulic signals, usually used to control the position, speed, or pressure of actuating elements, etc. Its core is to convert the input electrical signal into the output hydraulic signal, and change the flow direction and flow rate of the oil path by controlling the position of the valve core, thereby achieving precise control of the controlled object.
Structural Design: The electro-hydraulic servo valve is usually composed of valve body, valve core, spring, electromagnet, and other components. Among them, the valve core is a key component of the electro-hydraulic servo valve, and its position determines the flow direction and flow rate of the oil path.
Control Strategy: The control strategy of the electro-hydraulic servo valve usually includes feedback control, feedforward control, and fuzzy control, etc. Among them, feedback control adjusts the control parameters by comparing the deviation between the actual output and the expected output to achieve precise control.
Electromagnet Design: The electromagnet of the electro-hydraulic servo valve is the main component for controlling the movement of the valve core, and its design directly affects the performance of the electro-hydraulic servo valve. The design of the electromagnet needs to consider parameters such as magnetic flux density, current size, and the number of turns of the coil.
Three, Application Exploration of Electro-hydraulic Servo Valve
The electro-hydraulic servo valve is widely used in various industrial fields, such as aeronautics and astronautics, automotive manufacturing, precision machinery processing, etc. Taking the field of aeronautics and astronautics as an example, the electro-hydraulic servo valve plays a key role in aircraft engine control and flight attitude control, ensuring the safe flight of the aircraft. In the field of automotive manufacturing, the electro-hydraulic servo valve is used for the inflation control of car airbags, ensuring rapid and accurate inflation in emergencies to protect the safety of drivers and passengers.
Four, Conclusion
The electro-hydraulic servo valve, as an important part of modern industrial automation systems, its technical research and application exploration is of great significance to promote industrial automation and improve production efficiency. In the future, with the continuous development of technology, the electro-hydraulic servo valve will play a greater role in more fields.