具精密時間同步的無線即時資料收集網路

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姓名

賴俊達(Chun-Ta Lai) 查詢紙本館藏

畢業系所

資訊工程學系在職專班

論文名稱

具精密時間同步的無線即時資料收集網路
(Wireless Real-Time Data Collection Network with Precision Time Protocol)

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摘要(中)

如何開創出基於物聯網的架構，滿足資料傳輸的需求，確保資料的連續性、一致性，是物聯網時代即時大數據收集的重要課題。本研究設計了一個具精密時間同步的藍牙即時資料收集網路，系統由三個功能模組所組成，包括檔案系統模組、時間同步模組、和資料同步模組，該系統採主從架構，在面對藍牙網路的低可靠度資料通訊問題，確保從屬端與主控端斷線期間還能獨立運作且資料具備連續性和一致性。我們將原本基於以太網的IEEE-1588精密時間同步協定導入藍牙物聯網中，以降低時間誤差並有效提高資料的正確性。通過一系列實驗，驗證藍牙即時資料收集、傳輸和儲存的連續性和一致性需求。

摘要(英)

How to create a web-based architecture, meet the need for adequate data transmission and achieve the continuity and consistency of information, is an important topic of instant data collection in the Internet Era. The research designed a Bluetooth instant data collection network with precise time synchronization, the system consists of three functional modules, including the file system module, time synchronization module and data synchronization module. The system takes the master-slave architecture. In this way, the system can operate independently and achieve data continuity and consistency when the subordinate end and the main control end are disconnected, thus avoiding Bluetooth network low reliability data communication problems. We will introduce the Ethernet based IEEE-1588 Precision Time Synchronization Protocol into Bluetooth Internet of Things to reduce time error and effectively improve data correctness. Through a series of experiments, we verify the continuity and consistency requirements of Bluetooth real-time data collection, transmission and storage.

關鍵字(中)

★ 物聯網
★ 精密時間同步
★ 即時資料收集

關鍵字(英)

★ IOT
★ Precision Time Protocol
★ Real-Time Data Collection

論文目次

目錄
摘要 .............................................................................................................................................i
Abstract ...................................................................................................................................... ii
誌謝 ........................................................................................................................................... iii
目錄 ........................................................................................................................................... iv
圖目錄 ...................................................................................................................................... vii
表目錄 ....................................................................................................................................... ix
第一章、諸論 ........................................................................................................................... 1
1.1 研究背景與動機 ............................................................................................................ 1
1.2 研究目的 ........................................................................................................................ 3
1.3 論文架構 ........................................................................................................................ 4
第二章、相關技術回顧 ........................................................................................................... 5
2.1 檔案系統 ........................................................................................................................ 5
2.1.1 檔案配置表 ............................................................................................................. 5
2.1.2 檔案配置文件系統 ................................................................................................. 6
2.2 結構化查詢語言 ............................................................................................................ 7
2.2.1 語法元件 ................................................................................................................. 8
2.3 STM32F429 FLASH Control 介紹 ................................................................................ 9
2.3.1 控制STM32F429快閃記憶體[11] ........................................................................ 9
2.4 低功耗藍芽Bluetooth Low Energy (BLE) ............................................................... 10
2.4.1 Physical Layer (實體層) ......................................................................................... 12
2.4.2 Link Layer (鏈路控制層) ....................................................................................... 12
2.4.3 Logical Link Control Adaptation Protocol (L2CAP) ............................................. 13
2.4.4 Generic Access Profile (GAP) ................................................................................ 13
2.4.5 Attribute Protocol (ATT) ........................................................................................ 14
2.4.6 Generic Attribute Profile (GATT) .......................................................................... 14
v
2.4.7 Security Manager Protocol (SMP) ......................................................................... 15
2.5 時間同步技術 .............................................................................................................. 15
2.5.1 IEEE 1588協定 ..................................................................................................... 16
2.5.2 PTP封包格式 ........................................................................................................ 17
第三章、嵌入式即時資料收集設計 ..................................................................................... 20
3.1 MIAT嵌入式設計方法論 ............................................................................................ 20
3.1.1 IDEF0階層式架構設計 ........................................................................................ 21
3.1.2 Grafcet離散事件建模 ........................................................................................... 23
3.2 具精密時間同步的無線即時資料收集網路系統架構 .............................................. 25
3.3具精密時間同步的無線即時資料收集網路系統模組設計 ....................................... 26
3.3.1時間同步模組 ........................................................................................................ 26
3.3.2資料同步模組 ........................................................................................................ 28
3.3.3檔案系統模組 ........................................................................................................ 30
第四章、系統驗證 ................................................................................................................. 33
4.1 實驗環境 ...................................................................................................................... 33
4.1.1 MCU開發板 .......................................................................................................... 33
4.1.2 BLE藍芽模組........................................................................................................ 34
4.1.3 溫度感測器 ........................................................................................................... 35
4.1.4 Micro SD模組 ....................................................................................................... 36
4.1.5 USB to UART 模組 .............................................................................................. 37
4.2系統實作與驗證 ........................................................................................................... 38
4.2.1檔案系統模組驗證:從屬端檔案系統模組 ........................................................... 40
4.2.2時間同步模組驗證 ................................................................................................ 40
4.2.3資料同步模組驗證 ................................................................................................ 43
4.2.4檔案系統模組驗證:主控端檔案系統模組 ........................................................... 44
4.3 實驗結果與討論 .......................................................................................................... 45
第五章、結論與未來方向 ..................................................................................................... 46
5.1 結論 .............................................................................................................................. 46
vi
5.2 未來方向 ...................................................................................................................... 47
參考文獻 ................................................................................................................................. 48

參考文獻

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指導教授

陳慶瀚(Ching-Han Chen)

審核日期

2017-7-24

推文