應用在邊緣計算的嵌入式磁碟陣列設計與實作

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吳敬賢(Ching-Hsien Wu) 查詢紙本館藏

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資訊工程學系在職專班

論文名稱

應用在邊緣計算的嵌入式磁碟陣列設計與實作
(Embedded RAID system applied to edge computing: design and implementation)

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摘要(中)

微控制器的應用領域廣泛，對於使用在高可靠性的控制系統中，往往會造成其應用上的限制。備份技術是最有效提高系統可靠性的方法之一。在物聯網應用，資料以雲中心來備份，但備份資料時易受網路的不定因素所影響，難以達到可靠、即時的資料蒐集目標。本研究提出一個創新的嵌入式資料備份系統架構，結合微控制器和FPGA硬體加速器，實現一個本地端儲存的嵌入式資料備份系統。藉由分散式，資料讀寫硬體加速設計，此磁碟陣列系統可以有效地備份即時資料與還原部分受損資料。本研究提出的嵌入式磁碟陣列系統與現有的雲中心備份方法進行比較，在資料可靠性、備份響應時間均有明顯改善，可滿足邊緣計算平台的嵌入式儲存需求。

摘要(英)

Although micro control units have been widely applied to various areas, they tend to cause highly reliable control systems to be subject to application constraints. When applied to Internet of Things applications, backup technology, one of the most effective approaches for enhancing system reliability, enables backup data to be stored in a cloud center. However, this backup method is easily affected by the uncertainty of the Internet and therefore is unlikely to achieve reliable and real-time data collection. This study proposed an innovative, embedded system architecture for data backup, which serves as a local repository system for data backup purposes through the integration of micro control units and field programmable gate array-based hardware accelerators. The distributed system infrastructure features a hardware acceleration design for data reading and writing functions. Using this design, the redundant array of independent disks (RAID) system can effectively and simultaneously back up data and recover partially damaged data. A comparison of the proposed embedded RAID system and an existing cloud-based data backup technique revealed that the proposed system considerably improved data reliability and backup response time and can satisfy the need for embedded storage of an edge computing platform.

關鍵字(中)

★ 資料可靠性
★ 備份響應時間
★ 邊緣計算
★ 硬體加速器
★ 磁碟陣列

關鍵字(英)

★ Data reliability
★ Backup response time
★ Edge Computing
★ Hardware Accelerator
★ RAID

論文目次

摘要 I
ABSTRACT II
誌謝 III
目錄 IV
圖目錄 VII
表目錄 XI
第一章、緒論 1
1.1 研究動機 1
1.2 研究目的 2
1.3 論文架構 3
第二章、文獻回顧 4
2.1 資料儲存系統介紹 4
2.1.1 資料儲存裝置 5
2.1.2 資料傳輸介面通訊 8
2.1.2.1 時脈控制 9
2.1.2.2 指令傳輸 10
2.1.2.3 資料傳輸 13
2.2 磁碟陣列系統介紹 15
2.2.1 磁碟陣列模式 16
2.2.1.1 RAID 0 16
2.2.1.2 RAID 1 17
2.2.1.3 RAID 10 18
2.2.1.4 RAID 5 18
2.2.2 磁碟陣列介面通訊 20
第三章、嵌入式磁碟陣列系統設計 21
3.1 系統設計方法論 22
3.1.1 IDEF0階層式架構設計 23
3.1.2 Grafcet離散事件建模 24
3.2 嵌入式磁碟陣列系統模組設計 25
3.2.1 微控制器協定模組設計 26
3.2.2 嵌入式磁碟陣列控制器模組設計 39
第四章、嵌入式磁碟陣列系統實作與驗證 49
4.1 實驗環境 49
4.2 嵌入式磁碟陣列系統驗證 51
4.2.1 微控制器協定驗證 52
4.2.1.1 磁碟陣列控制器初始化協定 52
4.2.1.2 資料寫入/讀取協定 56
4.2.2 嵌入式磁碟陣列控制器驗證 56
4.2.2.1 時脈產生器模組 57
4.2.2.2 資料儲存系統 58
4.2.2.3 錯誤偵測模組 61
4.3 整體系統功能驗證與評估 62
第五章、結論與未來方向 66
5.1 結論 66
5.2 未來方向 67
參考文獻 68

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指導教授

陳慶瀚(Ching-Han Chen)

審核日期

2018-6-25

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