隨著節能減碳議題的日益重視，當今的任何電氣設備之設計，降低能源消耗為首要目標。近年來，隨著物聯網設備的興起與電器設備的智慧化，使得嵌入式系統的應用大幅提升。基於這些原因，本論文探討如何應用嵌入式系統並結合其它電子元件，以設計一個低待機功率消耗的遙控電動鐵捲門系統。
為了達到低待機功率消耗之需求，在設計的遙控電動鐵捲門系統中，我們結合了超級電容(Ultra capacitor)、閂鎖繼電器(Latching relay)、MCU (Microcontroller)以在待機時切斷交直流轉換器的市電供應，減少交直流轉換器的轉換能量損失。MCU系統待機時的電源則由超級電容預存的能量供應。
經由完成的遙控電動鐵捲門系統實驗結果顯示，量測系統的待機功耗可以低到10mW，而一般遙控電動鐵捲門在待機狀態時仍需要0.3到3 W的功率消耗，相較之下可以降低 97% 以上的待機功率消耗，且不會影響到原來遙控電動鐵捲門的功能。
關鍵字：超級電容、閂鎖繼電器、遙控電動鐵捲門系統、嵌入式系統、低待機功率消
耗

With the advent of issues of carbon reduction, nowadays the main objective of the design of any electrical devices is centered on such an issue. Recently, along with the popularity of Internet of thing (IOT) and the intelligence associated with electrical devices, the applications of embedded systems are dramatically increased. For these reasons, we explore in this thesis how to apply an embedded system together with other electrical components to design a remotely controlled automatic door system.
To achieve the requirement of low stand-by power consumption, in the design of the remotely controlled automatic door system, we combine a ultra capacitor, a latching relay, and a MCU (microcomputer) so as to cutoff the AC power of the AC-to-DC converter in the stand-by mode, thereby leading to the significant reduction of stand-by power consumption. The embedded system is powered by the ultra capacitor in the stand-by mode.
Through the experiments of the completed remotely controlled automatic door system, the measured stand-by power consumption can be as low as 10 mW, as compared to the 0.3 W to 3 W of traditional remotely controlled automatic door systems, a reduction of 97% stand-by power consumption can be achieved.
Keywords: ultra capacitor, latching relay, remotely controlled automatic door system, embedded system, low stand-by power consumption.

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