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FlexRay and its applications : real time multiplexed network

Author: Dominique Paret
Publisher: Hoboken, NJ : Wiley, 2012.
Edition/Format:   Print book : EnglishView all editions and formats
Summary:
"An authoritative yet highly accessible guide to the design and operation of the FlexRay bus, the latest protocol for automotive network communications A translation of the French edition, originally published in January 2011, this work is the result of numerous training courses that Dominique Paret has given in companies, and it provides detailed explanations of the design and operation of the FlexRay bus.  Read more...
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Document Type: Book
All Authors / Contributors: Dominique Paret
ISBN: 9781119979562 1119979560
OCLC Number: 756596951
Language Note: Translated from the French.
Description: xviii, 316 pages : illustrations ; 25 cm
Contents: Preface xiii List of Abbreviations xvii Part A 'SECURE REAL TIME' APPLICATIONS 1 Reminders about the CAN Protocol 3 1.1 The Limitations of CAN 3 1.2 'Event-Triggered' and 'Time-Triggered' Aspects 4 2 The TTCAN Protocol 7 2.1 TTCAN ISO 11898-4 7 2.2 Session Layer 8 2.3 Principle of Operation of TTCAN 8 3 Emergence of X-by-Wire Systems 11 3.1 High Throughput and X-by-Wire 11 3.2 Redundancy 11 3.3 High-Level Application Requirements 13 3.4 High-Level Functional Requirements 14 Part B THE FLEXRAY CONCEPT AND ITS COMMUNICATION PROTOCOL 4 The Genesis of FlexRay 19 4.1 The TTP/C Protocol 19 4.2 FlexRay 20 4.3 The FlexRay Consortium 20 4.4 The Aim of FlexRay 23 5 FlexRay and Real Time 29 5.1 Physical Time 29 5.2 Local Time 30 5.3 Global View at Network Level Global Time 32 5.4 Summarising: Time and its Hierarchies in FlexRay 36 6 The FlexRay Protocol 41 6.1 History 41 6.2 General Channels, Cycles, Segments and Slots 41 6.3 Channels and Cycles 44 6.4 Segments 47 6.5 Communication Frames 57 6.6 'SW Symbol Window' Segment 74 6.7 'NIT Network Idle Time' Segment 76 7 Access to the Physical Layer 77 7.1 Definition of Tasks 77 7.2 Execution of the Communication Cycle 80 7.3 Frame ID (11 Bits) 80 7.4 Arbitration Grid Level 81 7.5 Conditions of Transmission and Access to the Medium during the Static Segment 83 7.6 Conditions of Transmission and Access to the Medium during the Dynamic Segment 84 7.7 Similarity of the Use of the Dynamic Segment to the Network Access of the CAN Protocol 88 7.8 Some Additions in the Case of FlexRay Being Used with Two Channels 89 Appendices of Part B 91 Appendix B1 Examples of Applications 93 The BMW X5 (Development Code L6) 93 A Little Strategy 93 Global View of the Parameters of the FlexRay System 95 Desired Functional Parameters 96 Description and Justification of the Implemented Choice 97 Appendix B2 Scheduling Problems Application of the FlexRay Protocol to Static and Dynamic Segments 103 Introduction 103 Problems of Real Time Systems 104 FlexRay 108 Scheduling Real Time Systems 109 Different Approaches to Real Time Scheduling 113 Scheduling in Single-Processor Systems 116 Algorithms Based on Priorities 116 Scheduling Communications in Distributed Systems 120 Problem of Task Allocation in a Distributed System 121 Scheduling Communications 121 Policy of Assigning Priorities 126 Class of Scheduling Problem 127 Scheduling Algorithm 128 Conclusion 129 Part C THE FLEXRAY PHYSICAL LAYER 8 Creation and Transmission (Tx) of the FlexRay Signal 135 8.1 Creation of the Signal 135 8.2 Physical Representation of Bits 136 8.3 Line Driver Tx 138 9 Medium, Topology and Transport of the FlexRay Signal 143 9.1 Medium 143 9.2 Effects Linked to Propagation 146 9.3 Topologies and Consequences for Network Performance 147 9.4 Single-Channel, Dual-Channel and Multi-Channel Communication Topologies 151 9.5 The FlexRay Topologies 153 9.6 Examples of Topologies 159 10 Reception of the FlexRay Signal 165 10.1 Signal Reception Stage 165 10.2 Processing of the Received Signal by the Communication Controller 170 11 The Bit Error Rate (BER) 175 11.1 Integrity of Signal and BER 175 11.2 Eye Diagram 175 11.3 Relationship between the Integrity of the Signal, the Eye Diagram and the BER 180 12 Modelling and Simulating the Performance of a Network 185 12.1 Modelling and Simulating the Performance of a Network and its Topology 185 12.2 Modelling the Elements of the Network 185 12.3 Simulation 188 13 Summary on the Physical Layer of FlexRay 193 Part D SYNCHRONISATION AND GLOBAL TIME 14 Communication Cycle, Macrotick and Microtick 197 14.1 The FlexRay Time Hierarchy 197 14.2 Synchronisation in a Network of TDMA FlexRay Type 198 14.3 Proposed Solution to the Problem 202 14.4 Application and Implementation of Corrective Values 214 14.5 Summary 218 15 Network Wakeup, Network Startup and Error Management 223 15.1 Network Wakeup Phase 223 15.2 Network Startup Phase 225 15.3 Error Management 226 16 FlexRay v3.0 231 16.1 Protocol Enhancements 231 16.2 Physical Layer Enhancements 235 16.3 FlexRay and ISO 239 16.4 FlexRay in Other Industries 240 Part E ARCHITECTURE OF A NODE, COMPONENTS AND DEVELOPMENT AID TOOLS 17 Architecture of a FlexRay Node 245 17.1 The Major Components of a Node 245 17.2 Architecture of the Processor and Protocol Manager 245 18 Electronic Components for the FlexRay Network 249 18.1 The Component Range 249 18.1.1 FlexRay Protocol Manager 250 18.2 EMC and EMC Measurements 263 18.3 Protection from ESD 265 18.4 Conformity Tests 265 18.5 Bus Guardian 267 19 Tools for Development, Integration, Analysis and Testing 271 19.1 The V-Shaped Development Cycle 271 19.2 DaVinci Network Designer (Point 1 of the V Cycle) 271 19.3 CANoe.FlexRay 273 19.4 FlexRay CANalyzer (Covers Points 2, 4 and 5 of the V Cycle) 276 19.5 Test and Diagnostics (Point 6 of the V Cycle) 277 19.6 Features of the FlexRay Protocol 278 19.7 Communication Interface 280 20 Implementation of FlexRay Communication in Automotive Logic Controllers 283 20.1 FlexRay and AUTOSAR 283 20.2 The AUTOSAR Partnership 284 20.3 Communication in an AUTOSAR System 284 Appendix of Part E 291 21 Conclusion 297 Appendix 1 The Official Documents 299 Appendix 2 Principal Parameters of the FlexRay Protocol 301 Bibliography 311 Index 313
Other Titles: FlexRay et ses applications.
Responsibility: Dominique Paret.
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Abstract:

A guide to the design and operation of the FlexRay bus, the protocol for automotive network communications. It covers: the FlexRay concept and its communication protocol; the FlexRay physical layer;  Read more...

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