臺灣博碩士論文加值系統

本論文致力於提出一共振節能電動搖籃設計，並以當前廣受歡迎之開放原始碼單晶片Arduino UNO作為控制核心。鑑於大多數市售的電動搖籃，其設計大都將驅動馬達裝置於上方轉軸處，和轉軸緊密連結，這樣的設計將使搖籃成為一過阻尼系統，而造成大量的能量損耗並伴隨難耐的噪音。在本研究設計中，首先以培林軸作軸承，大量減少轉軸的摩擦力，使搖籃成為一極低阻尼之系統，大大減低搖籃的搖擺噪音。此外，將驅動力移至搖籃底部，用以增加施力點到轉軸中心的距離，由力矩增加故，而達到減少施力的效果。在搖籃下方，我們設計了與搖籃緊密接合的葉片，藉由一直流馬達驅動撥桿，進而敲擊葉片，即可驅動搖籃。搭配所設計的灰階色帶及紅外線感測器，可感測搖籃擺盪的幅度，以進行振幅控制，並確保能在最佳的時機驅動搖籃，以減少驅動次數，及能源消耗。實驗結果顯示，一般市售的電動搖籃，能源耗損約本研究設計之兩倍以上。

This paper proposes an energy-saving resonant cradle design, employing the currently popular Arduino UNO, an open-source electronics platform, as the core processor. For most commercially available electric cradles, the drive motor is closely combined with the bearing on the top. It will lead to an over damped system and result in a lot of energy consumption and noise. In this proposal, a ball bearing design was adopted to reduce friction and make an under damped system. It can also greatly reduce the noise while the cradle is swinging. Furthermore, the driving force is under the cradle to increase the distance from the object to fulcrum and torque. A DC motor was installed under the cradle as the driving force, and the blades were spaced at a distance and tightly bounded under the cradle body. A small wooden hammer is linked to the motor to strike the blade and drive the cradle. The infrared sensor and grayscale ribbon are designed to detect the oscillation state, and then the force is driven at the critical time to achieve the maximum output response while saving energy according to the principle of resonance. Experimental results show that the energy consumption of the commercially available electric cradle is over twice that of the proposed design.

摘 要
Abstract
致 謝
目 錄
表 目 錄
圖 目 錄
第一章 緒論
1.1 前言
1.2 搖籃介紹
1.3 系統簡介
第二章 實作方法
2.1 市售電動搖籃
2.2 風力驅動搖籃
2.3 馬達驅動葉片
第三章 實驗結果
耗電流比較
產生噪音比較
第四章 結論
獲獎紀錄
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