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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/94536


    題名: 以信令資料判讀捷運旅客搭乘區段變化與站間運量
    作者: 劉緯紳;shen, liu wei
    貢獻者: 土木工程學系
    關鍵詞: 手機信令資料;捷運站間量;HMM隱馬可夫模型;sighting data;inter-station traffic estimation in metro systems;Hidden Markov Model
    日期: 2024-08-23
    上傳時間: 2024-10-09 14:53:06 (UTC+8)
    出版者: 國立中央大學
    摘要: 大眾捷運系統(MRT) 在運量穩定成長的情況之下,同時隨著捷運路網的擴建,路網逐漸複雜化,乘客搭乘的區段選擇越來越多樣,對於列車營運計畫的準確度只會隨著路網的複雜程度,導致站間量的準確度逐漸下降。因此本研究利用行動定位服務中的手機信令資料,建立乘客在臺北捷運移動區段模型,將乘客手機信令資料判讀為乘客的移動區段,透過信令資料建立尖峰時段的捷運站間量了解旅客乘車需求。
    本研究透過手機信令資料蒐集計畫獲得真實的信令資料,將實際的信令資料經過處理,速度基礎法、型態基礎法與基於HMM隱馬可夫模型的地圖匹配,以及匹配路網後,透過路網資訊的合理路徑集合判斷,建立移動區段模型,利用移動區段模型產出乘客移動區段資料,將乘客移動區段資料轉換成乘客移動區段比例與捷運電子票證OD資料結合,獲得信令資料的捷運尖峰站間量。
    信令資料建立的尖峰站間量與目前臺北捷運站間量相比,人流變化更多乘客選擇在忠孝復興進行轉乘,而非南京復興站,因南京復興站需要花費大量的轉乘時間,松山新店線與臺北車站周圍的搭乘選擇則可以觀察到松山新店線的中正紀念堂站至中山站之間真實人流更傾向主要幹道,而非以臺北車站四周的綠線。乘客在搭乘捷運進入三重與蘆洲區域更多選擇往台北車站方向搭乘,導致松江南京至大橋頭方向在站間量被低估,同時信令資料建立的尖峰小時站間量在臺北大眾捷運股份有限公司系統服務指標中的舒適度計算中,臺北捷運都保有足夠的乘載量,預留充裕的舒適度。
    ;The Mass Rapid Transit (MRT) system is steadily expanding its network, leading to increased complexity in the road network and diversification in passenger routes. As the network grows more intricate, the accuracy of train operation planning gradually diminishes.
    In this study, sighting data underwent preprocessing using a collection plan that included velocity-based, type-based methods, Hidden Markov Models (HMM), and alignment with the road network. This process converted movement segment data into passenger movement segment ratios. These ratios, combined with MRT E-ticket Origin-Destination (OD) data, facilitated the determination of peak inter-station volumes for the MRT.
    Compared to the current station-to-station volumes on the Taipei Metro, peak hour data derived from signaling information reveals a shift in passenger flow, with more passengers opting to transfer at Zhongxiao Fuxing Station rather than at Nanjing Fuxing Station. This shift occurs because transferring at Nanjing Fuxing Station takes significantly more time.
    On the Songshan-Xindian Line and in the vicinity of Taipei Main Station, it is observed that real passenger flow between Zhongzheng Memorial Hall Station and Zhongshan Station leans more toward the main routes rather than the green line around Taipei Main Station. Passengers traveling towards the Sanchong and Luzhou areas often board trains heading in the direction of Taipei Main Station, leading to an underestimation of passenger volume in the direction from Songjiang Nanjing to Daqiaotou.
    Despite these observations, peak hour station-to-station volumes derived from signaling data indicate that the Taipei Metro system maintains adequate capacity and offers ample comfort, ensuring a pleasant riding experience.
    顯示於類別:[土木工程研究所] 博碩士論文

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