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理學院
資訊工程學系
學位論文
學位論文
Permanent URI for this collection
http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/73912
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search.filters.author.Chang, Tin-Shao
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search.filters.author.張庭韶
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search.filters.subject.定位預估
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search.filters.subject.Location Estimation
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search.filters.subject.Path Planning
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search.filters.subject.Search and Rescue (SAR) Operation
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search.filters.subject.Unmanned Aerial Vehicle (UAV)
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無人機以動態飛行協助搜尋與救援行動
(
2018
)
張庭韶
;
Chang, Tin-Shao
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在大規模災害發生的環境下,地形與時間的限制是目前搜救團隊所面臨的最大問題,因此也越來越多案例使用無人機來對災害環境進行勘查,情報的蒐集以及定位受災戶位置。 本研究利用了當今社會手機普及率的特性,由無人機搜尋手機無線訊號位置,也因無線訊號的特性,結合RSSI與Log-Distance Model,來預估當前無人機位置與訊號源間的距離。因此比起生命探測儀,更能從較大範圍的距離下開始搜查任務。此外,我們也設計了一種動態路徑規劃(Dynamic Path Planning)演算法,能夠根據現場無線訊號源的變化,使得無人機可以更快速接近受災戶,並定位出其位置。研究致力的方向為縮小搜尋時間與定位誤差,蒐集現場環境情報來提供給搜救團隊參考。而最後我們實驗的結果也顯示了使用了動態規劃演算法,比起一般的固定路徑規劃,更快速且精準的定位出受災戶位置。
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