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1. A lifting desk control system for an imperceptible intelligent adjustment function, comprising an imperceptible control system module configured to control lifting of the lifting desk in an imperceptible mode, a switching module electrically connected with the imperceptible control system module, a motor module configured to drive the lifting desk to do a lifting action, a motor drive module electrically connected between the imperceptible control system module and the motor module, a desktop, a transmission module configured to be mechanically connected with the motor module and the desktop, and a power module configured to supply power, wherein the power module is respectively electrically connected with the switching module, the imperceptible control system module and the motor drive module, the imperceptible control system module comprises a switching signal processing unit, an MCU arithmetic unit, an imperceptible operation PID adjustment unit and a PWM generator unit, the switching signal processing unit is electrically connected with the switching module, the switching signal processing unit, the MCU arithmetic unit, the imperceptible operation PID adjustment unit and the PWM generator unit are electrically connected in sequence, the PWM generator unit is electrically connected to the motor drive module, the MCU arithmetic unit is electrically connected with a motor operation parameter calculation unit, the motor module is arranged with a rotor position sensor, the rotor position sensor is electrically connected with a rotor position sensor capture unit, and the rotor position sensor is electrically connected with the motor operation parameter calculation unit.
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