This paper proposes an output voltage tunable design for an adapter. Based on the reference voltage corresponding to the sensed output current and the output voltage of the adapter, a pwm signal is produced via the operation of the fuzzy control chip (implemented by Complex Programmable Logic Device (CPLD)), which consists of the Fuzzy Knowledge base (FKB), Fuzzifier Module, Fuzzy Inference Engine and Defuzzifier Module. The pwm signal is fed into the adapter to correct the adapter output voltage to align with the reference voltage. The The design can save energy, reduce temperature rising and acoustic noise when applied to the computers.
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第六屆台灣電力電子研討會論文集=Proceedings of the 6th Taiwan Power Electronics Conference,6頁