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研究生:王佐文
研究生(外文):Zuo-Wen Wang
論文名稱:嵌入式防鎖死煞車系統之容錯FlexRay ECU設計與實現
論文名稱(外文):The Design and Implementation of Fault-Tolerant FlexRay ECU for Embedded Anti-Braking System
指導教授:許永和許永和引用關係
學位類別:碩士
校院名稱:國立虎尾科技大學
系所名稱:資訊工程研究所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2014
畢業學年度:102
語文別:中文
論文頁數:72
中文關鍵詞:FlexRay容錯線傳控制任務搬移
外文關鍵詞:FlexRayfault-tolerantDrive-by-WireTask Migration
相關次數:
  • 被引用被引用:1
  • 點閱點閱:340
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
FlexRay 為汽車控制系統的通訊網路協定,用來讓電子控制單元在系統運作時具有更高的安全性與舒適性,以滿足日益增長的需求。車用電子控制單元比其他系統需要更高的可靠度,也使得這些系統必須加入容錯技術來達到高可靠度的要求。
本研究針對車輛的主動安全部分,以車輛模擬軟體CarSim整合LabVIEW與相關介面卡,做為模擬測試車輛,並以此研發出具備容錯功能的嵌入式防鎖死煞車系統之容錯FlexRay ECU節點。此節點透過FlexRay的高速通訊,可立即將ABS剎車的狀態與資料數據,傳送至FlexRay網路。
此外,在節點中,採用任務搬移 ( Task Migration ) 概念並加以改良,並由容錯FlexRay ABS ECU以及容錯協同周邊控制處理器組成。其中,容錯FlexRay ABS ECU負責ABS的輪速與滑差速的計算以及實現FlexRay通訊。而容錯協同周邊控制處理器負責控制ABS周邊的輸入與輸出控制。
此容錯節點透過連接NI PXI平台與CarSim軟體來驗證FlexRay車載通訊網路完全符合容錯機制的需求。未來,更可將相關成果整合至需高安全性要求的車用主動安全系統中。


FlexRay, as a communication protocol for automotive control systems, is developed to fulfill the increasing demand on the electronic control units for implementing systems with higher safety and more comfort. There is an ultimate need that the automotive electronic control units must possess higher reliability compared with the other systems.
This study design the fault-tolerant of FlexRay ECU using improved task migration concept. The node is assemble by the fault-tolerant of FlexRay ECU and the coordinator. The responsibility of fault-tolerant of FlexRay ECU are FlexRay communication. The responsibility of coordinator are the control of peripheral. Construct a FlexRay automotive communication network, and then complete the design of a fault-tolerant mechanisms X-by-wire control system.
Finally, fault-tolerant FlexRay ECU nodes connected NI PXI platform and CarSim software verification FlexRay automotive communication networks.


摘要 ...i
Abstract ...ii
目錄 ...iii
表目錄 ...v
圖目錄 ...vi
第一章 簡介 ...1
1. 1 背景介紹 ...2
1. 2 錯誤型態介紹 ...3
1. 3 容錯設計簡介 ...4
1. 4 動機與論文章節概述 ...5
第二章 系統原理 ...7
2. 1 FlexRay通訊協議 ...7
2. 1.1 FlexRay簡介 ...7
2. 1.2 FlexRay核心機制概述 ...8
2. 1.3 訊框格式與特色 ...11
2. 2 通用序列匯流排(USB)通訊原理 ...12
2. 2.1 控制型傳輸 ...13
2. 2.2 中斷型傳輸 ...14
2. 2.3 人性化介面裝置群組 ...15
2. 3 SPI 通訊匯流排 ...16
2. 3.1 SPI 簡介 ...16
2. 3.2 SPI 工作原理 ...17
2. 4 I2C 通訊匯流排 ...18
2. 4.1 I2C 簡介 ...18
2. 4.2 I2C 匯流排傳輸協定 ...20
2. 4.3 I2C 匯流排設計考量性 ...22
2. 4.4 I2C 匯流排硬體特性 ...23
2. 5 ABS原理 ...24
第三章 系統設計 ...26
3. 1 系統架構 ...26
3. 2 FlexRay網路設計 ...27
3. 3 容錯FlexRay ECU設計 ...32
3. 4 容錯協同周邊控制處理器設計 ...34
3. 5 FlexRay容錯機制設計 ...35
3. 6 ABS控制設計 ...37
3. 6.1 小型車輛模擬分析軟體(CarSim)介紹 ...37
3. 6.2 LabVIEW介紹 ...42
3. 6.3 CarSim與LabVIEW結合 ...45
3. 6.4 ABS控制方法 ...51
第四章 系統測試 ...53
4. 1 系統介紹 ...53
4. 2 容錯機制測試 ...54
4. 2.1 通道A故障測試 ...54
4. 2.2 通道B故障測試 ...56
4. 2.3 容錯FlexRay ECU故障測試 ...58
4. 2.4 具備容錯的ABS節點測試 ...59
第五章 結論與未來展望 ...64
5. 1 結論 ...64
5. 2 未來展望 ...64
參考文獻 ...65
Extended Abstract ...67
簡歷 ...72


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