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简体中文PWM driving method of hydraulic double headed proportional solenoids
In industrial automation, hydraulic systems are often used to control robotic arms or hydraulic drives. By using PWM to control hydraulic double headed proportional solenoids, the system is able to quickly adjust hydraulic output according to load changes, enabling precise positioning and fast response. For example, in automobile manufacturing, PWM is used to control the position and speed of hydraulic cylinders to ensure efficiency and accuracy on the assembly line.
Drive characteristics
High energy efficiency: A significant advantage of the PWM drive method is high energy efficiency. The traditional analog signal driving method may cause the solenoid valve to heat up, while PWM reduces the continuous current by quickly switching the switching state, thereby reducing energy consumption and heat generation.
Control accuracy: Because the PWM signal can finely adjust the duty cycle, the hydraulic double-head proportional solenoid valve can maintain high-precision control under different working conditions. The system responds quickly to dynamically changing hydraulic demands.
Strong adaptability: PWM can easily adapt to a variety of control needs, from simple on/off control to complex flow regulation, all can be achieved by adjusting the duty cycle.
In practical applications, PWM signals are usually generated by a microcontroller or PLC. These controllers program the PWM frequency and duty cycle to meet the specific needs of the hydraulic system. Generally, the PWM frequency is between 1 kHz and 10 kHz. This range can ensure the response speed of the solenoid valve and avoid control instability caused by excessive frequency.
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