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    Title: 以敲擊為輸入方式之人機介面設計
    Other Titles: Using knock as input method for designing the human computer interface
    Authors: 陳奐侖;Chen, Huan-Lun
    Contributors: 淡江大學電機工程學系碩士班
    周建興;Chou, Chien-Hsing
    Keywords: 震動;人機介面;knock;Human Computer Interface
    Date: 2013
    Issue Date: 2014-01-23 14:45:33 (UTC+8)
    Abstract: 希望設計一道兼顧安全又可不需攜帶鑰匙的門鎖。在設計門鎖上,希望打破傳統的鑰匙鎖的機制但又希望有別於數字密碼鎖的方式,而選擇類似目前手機常用的圖形鎖的方式,修改滑動解鎖過於難使用於門板上,而圖形鎖也可以修改為許多不同方式的密碼。
    我們提出一種使用自定圖形並結合敲擊震動來解門鎖的系統,並對感測器獲取的資料作解析與演算法的運算,做到敲擊位置與解鎖圖形的定位;系統中使用六個振動裝置來定位敲擊獲取六維資料,並做KNN運算取得最近點,定義敲擊範圍的分類,來作圖形解鎖。
    為了瞭解系統的正確性,對多個圖形作測試:
    1.單個圓形的正確率。
    2.多個圓形的正確率,多個圓型的互擾,大小圓差異。
    3.直線圖形的正確率,直線外的錯誤率與錯誤範圍。
    4.圓圈邊框圖形正確率,圓圈內的錯誤率與圓圈外的干擾率。
    系統流程為:
    1.使用者可於門板上畫上圖形,並敲擊定義密碼區域,而非密碼區域則定為error或者other。
    2.感測器運算敲擊點,將資料作分群,定義解鎖圖形位置。
    3.解鎖時敲擊定義的區域,敲擊資料匯入分類器看是否為正確解鎖區域。
    模擬門板測試,分析穩定性正確性與實際問題回餽,以作系統修正並裝置於測試門上作系統使用。
    We want to design a safe door lock without a key.In the design of the door, hoping to break the traditional key lock ,but different digital code lock, the choice of a similar pattern lock and you can modify the pattern lock password.
    We propose a system that uses percussion to solve door lock,and sensing data analysis and algorithms for computing,reached percussion point position and an unlocked position graphics.Using six vibrating device to locate percussion obtain six-dimensional data,and do the KNN to obtain the closest point to define the scope of the classification of percussion, to make graphics unlocked.
    In order to understand the accuracy of the system,we take a lot of graphics to do the test:
    1.The correct rate of a single circle.
    2.The correct rate of a plurality of circular, a plurality of circular cross-interference.
    3.The correct rate of linear.
    4.The correct rate of circle border.

    System processes:
    1.Users can draw graphics on the door, and knock-defined password area.
    2.Computing knock data to make classifications, definitions unlock pattern position.
    3.Unlocked, knock defined area, to see if the data is imported to the correct classification.
    Appears in Collections:[電機工程學系暨研究所] 學位論文

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