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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/98144完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 李綱 | zh_TW |
| dc.contributor.advisor | Kang Li | en |
| dc.contributor.author | 王耀徵 | zh_TW |
| dc.contributor.author | Yao-Cheng Wang | en |
| dc.date.accessioned | 2025-07-30T16:05:57Z | - |
| dc.date.available | 2025-07-31 | - |
| dc.date.copyright | 2025-07-30 | - |
| dc.date.issued | 2025 | - |
| dc.date.submitted | 2025-07-24 | - |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/98144 | - |
| dc.description.abstract | 本研究延續本實驗室前期的錯誤偵測與排除架構，使用雙塔結構的 Transformer 對多感測器的數據進行資訊整合與特徵學習，改善傳統方法在多重故障辨識上的不足。在訓練模型的過程中，本研究分析並模擬感測器的錯誤訊號，結合開源資料集進行自監督學習。此外，根據道路設計規範與車輛自主定位需求，文中明確界定定位失效的判斷標準，用來評估模型在定位精度與系統安全性的效益。實驗結果顯示，本模型在單一感測器故障情境下可排除 80 % 以上的失效案例；在多感測器同時故障的情境下，亦能成功偵測超過 70 % 的錯誤訊號，展現出良好的穩定性與偵測能力。此外，本模型可於無顯示卡加速的環境下運行，適用於資源受限的車載系統部署。 | zh_TW |
| dc.description.abstract | This study builds upon our laboratory’s previous fault detection and exclusion (FDE) framework by employing a dual-tower Transformer architecture to perform information integration and feature learning from multi-sensor data, addressing the limitations of traditional methods in identifying multiple simultaneous faults. During model training, common sensor faults are analyzed and simulated, and self-supervised learning is conducted using an open-source dataset. In addition, based on road design standards and the requirements of autonomous vehicle localization, this study defines clear criteria for localization failure, which serve as the basis for evaluating the model’s effectiveness in improving localization accuracy and system safety. Experimental results show that our model can excluding over 80 % of localization failures caused by single-sensor faults. In scenarios involving multiple simultaneous sensor failures, the model successfully detects more than 70 % of faulty signals, demonstrating strong stability and detection capability. Moreover, the model operates efficiently without GPU acceleration, making it suitable for deployment in resource-constrained in-vehicle systems. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2025-07-30T16:05:57Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2025-07-30T16:05:57Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 致謝 i
摘要 ii Abstract iii 目次 v 圖次 viii 表次 ix 第一章緒論 1 1.1 研究背景 1 1.2 研究動機與目的 3 第二章文獻探討 5 2.1 感測器模組及誤差來源分析 5 2.1.1 全球導航衛星系統 5 2.1.2 光學雷達 6 2.2 多感測器錯誤偵測與排除 8 2.2.1 模型基底方法 8 2.2.2 資料導向方法 10 第三章研究方法12 3.1 數據預處理 12 3.1.1 光學雷達 12 3.1.2 全球衛星導航系統 13 3.1.3 慣性量測單元 14 3.1.4 滑動窗口 15 3.2 深度模型架構 16 3.2.1 Transformer Encoder 16 3.2.2 Gated Transformer Networks 19 3.3 模型訓練方法 20 3.3.1 訓練架構 21 3.3.2 損失函數 21 3.3.3 錯誤注入方法 22 3.4 評估標準 24 3.4.1 分類性能評估 25 3.4.2 定位有效性評估 27 第四章實驗結果與討論 36 4.1 實驗數據 36 4.2 實驗結果 37 4.2.1 常態分佈 39 4.2.2 t 分佈 40 4.2.3 累計誤差 42 4.2.4 資料定格 46 4.2.5 多感測器錯誤 47 第五章結論與未來建議 51 5.1 結論 51 5.2 未來建議 52 參考文獻 53 | - |
| dc.language.iso | zh_TW | - |
| dc.subject | 自動駕駛 | zh_TW |
| dc.subject | 定位系統 | zh_TW |
| dc.subject | 故障檢測與排除 | zh_TW |
| dc.subject | 深度學習 | zh_TW |
| dc.subject | Localization Systems | en |
| dc.subject | Fault Detection and Exclusion | en |
| dc.subject | Autonomous Vehicles | en |
| dc.subject | Deep Learning | en |
| dc.title | 基於 Transformer 的自主載具定位系統之故障檢測與排除 | zh_TW |
| dc.title | Transformer-based Fault Detection and Exclusion in Localization Systems for Autonomous Vehicles | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 113-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 林峻永;陳亮光 | zh_TW |
| dc.contributor.oralexamcommittee | Chun-Yeon Lin;Liang-Kuang Chen | en |
| dc.subject.keyword | 自動駕駛,定位系統,故障檢測與排除,深度學習, | zh_TW |
| dc.subject.keyword | Autonomous Vehicles,Localization Systems,Fault Detection and Exclusion,Deep Learning, | en |
| dc.relation.page | 59 | - |
| dc.identifier.doi | 10.6342/NTU202501900 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2025-07-26 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 機械工程學系 | - |
| dc.date.embargo-lift | 2025-07-31 | - |
| 顯示於系所單位： | 機械工程學系 | |
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