When the frequency error value is greater than or equal to the threshold value set by the deviation, the power supply generator of Ultrasonic welding machine adopts variable parameter PI control to quickly and accurately introduce the working frequency of the power supply into the phase-locked range; When the frequency error value is less than the threshold value set by the deviation, ADPLL control is used to make the working frequency of the ultrasonic Welding power supply accurately track the resonant frequency of the transducer. The test results show that the ultrasonic Welding power supply based on the variable parameter PI-ADPLL control has the advantages of good frequency tracking performance, fast response speed, and high work efficiency

20khz Ultrasonic Welding Generator Variable Frequency Manual Ultrasonic Plastic Welding Machine_Company dynamics_Pulisonic Ultrasonic

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