In what ways can hydraulic systems be electronically controlled?

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What are the ways to realize the electronic control of the hydraulic system? To share with you.
        1, electro-hydraulic converter can be converted to electrical signals into force or displacement, so as to regulate the power, there are switching solenoid, proportional solenoid, servo valves, stepper motors and servo motors and other types. One of the imported proportional solenoid is currently the most used.
        2, the current hydraulic system used to regulate the flow of the most common is the reversing throttle valve electric control, in mobile hydraulics is often referred to as a multi-way valve. At present, the use of liquid control is common. To change to electric control, can be equipped with electric proportional pressure reducing valve, or stepping motor, or servo motor.
        3, with electro-hydraulic converter to regulate the displacement of the pump. The role of the hydraulic system to increase the force by changing the pressure.
 A complete hydraulic system consists of five parts, namely, power components, actuators, control components, auxiliary components (accessories) and hydraulic fluid. Hydraulic systems can be divided into two categories: hydraulic transmission systems and hydraulic control systems. Hydraulic transmission system to transfer power and movement as the main function. Hydraulic control system to make the hydraulic system output to meet specific performance requirements (especially dynamic performance), usually referred to as the hydraulic system mainly refers to the hydraulic transmission system.

        Hydraulic system consists of signal control and hydraulic power two parts, signal control part of the control valve used to drive the hydraulic power part of the action. Hydraulic power part of the circuit diagram way to show the interrelationship between different functional components. Hydraulic source contains hydraulic pumps, electric motors and hydraulic auxiliary components; hydraulic control part contains a variety of control valves, used to control the flow, pressure and direction of the working fluid; the implementation of the part contains hydraulic cylinders or hydraulic motors, which can be selected according to the actual requirements.

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