The present invention relates to a dimming controller and a dimming control method capable of automatic dimming correction by self-learning, and a dimming control module, a wireless communication module, and an LED module of an LED lamp by generating a dimming reference value according to the illuminance obtained from the light quantity measuring device. A main control device equipped with a microcomputer for controlling the brightness and transmitting the generated dimming reference value to the lighting control server; A plurality of power supply channels installed between the main control device and the LED module to control power supplied to the LED module according to the control of the main control device; When detecting the presence or absence of an abnormality in the power supplied to the LED module from the main control device, a plurality of power supply channels are installed on each power supply channel to control the power supplied to the LED module in which an abnormality has occurred by transmitting an abnormality detection signal to the main control device. Including a fault detection unit; wherein the lighting control server includes a dimming reference value receiving/storing unit that accumulates and accumulates the dimming reference value received through the wireless communication module by time domain, and a dimming suitable for each season based on the accumulated dimming reference value. A dimming factor generator for generating a factor, and a dimming factor transmitter for retransmitting the dimming factor generated by the dimming factor generator to the dimming controller, wherein the main control device includes a dimming factor transmitted from the lighting control server and An optimal dimming control value generation unit that calculates the final dimming control value of the LED module by combining the dimming reference values measured in real time to enable dimming control; and provides a dimming control method of an LED lamp using the same. .
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