《Civil Avionics Systems》PDF下载

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  • 作  者:Ian Moir
  • 出 版 社:Wiley
  • 出版年份:2003
  • ISBN:
  • 页数:561 页
图书介绍:

1 Introduction 1

1.1 Advances since 2003 1

1.2 Comparison of Boeing and Airbus Solutions 2

1.3 Outline of Book Content 2

1.3.1 Enabling Technologies and Techniques 3

1.3.2 Functional Avionics Systems 4

1.3.3 The Flight Deck 4

1.4 The Appendices 4

2 Avionics Technology 7

2.1 Introduction 7

2.2 Avionics Technology Evolution 8

2.2.1 Introduction 8

2.2.2 Technology Evolution 8

2.3 Avionics Computing 11

2.3.1 The Nature of an Avionics Computer 11

2.3.2 Resolution (Digitisation) 13

2.3.3 The Sampling Frequency (Refresh Rate) 14

2.4 Digital Systems Input and Output 19

2.4.1 Introduction 19

2.4.2 Analogue to Digital Process 20

2.4.3 Sampling Rate 22

2.4.4 Digital to Analogue Process 23

2.4.5 Analogue Signal Conditioning 25

2.4.6 Input Signal Protection and Filtering 27

2.4.7 Analogue Signal Types 29

2.5 Binary Arithmetic 29

2.5.1 Binary Notations 29

2.5.2 Binary Addition,Subtraction,Multiplication and Division 32

2.5.3 The Arithmetic Logic Unit 32

2.6 The Central Processing Unit (CPU) 34

2.6.1 CPU Instruction Format 35

2.6.2 Instruction Execution Sequence 35

2.6.3 Extended Operand Addressing Modes 42

2.7 Software 43

2.7.1 Software Introduction 43

2.7.2 Assemblers and Compilers 43

2.7.3 Software Engineering 44

2.7.4 Software Design Process Assurance 45

2.7.5 Languages 47

2.7.6 Object-Oriented Design 49

2.7.7 Auto-code Generation 50

2.7.8 Real-Time Operating System (RTOS) 51

2.8 Microprocessors 53

2.8.1 Moore’s Law 53

2.8.2 Significant Microprocessors used in Aerospace Applications 54

2.8.3 CPU Cache 57

2.8.4 Microcontrollers 58

2.8.5 Rock’s Law 59

2.9 Memory Technologies 59

2.9.1 Desired Avionics Memory Attributes 60

2.9.2 Available Memory Technology Attributes 60

2.9.3 Memory Device Summary 64

2.9.4 Memory Hierarchy 64

2.10 Application-Specific Integrated Circuits (ASICs) 64

2.10.1 Main Types of ASICs 64

2.10.2 Field Programmable Gate Array (FPGA) 66

2.10.3 Semi-custom Standard Cell Design ASIC 68

2.10.4 Design Tools 68

2.10.5 RTCA-DO-254/ED 80 69

2.11 Integrated Circuits 70

2.11.1 Logic Functions 70

2.11.2 The MOS Field Effect Transistor (MOSFET) 70

2.11.3 IC Fabrication 70

2.12 Integrated Circuit Packaging 73

2.12.1 Wafer Probe and Test 74

2.12.2 Wafer Separation and Die Attachment 74

2.12.3 Wire Bonding 75

2.12.4 Packaging 75

References 77

3 Data Bus Networks 79

3.1 Introduction 79

3.2 Digital Data Bus Basics 80

3.2.1 Data Bus Overview 80

3.2.2 Bit Encoding 82

3.2.3 Attributes 83

3.2.4 Transmission Classes 83

3.2.5 Topologies 83

3.2.6 Transmission Rates 84

3.3 Transmission Protocols 84

3.3.1 Transmission Protocols Overview 84

3.3.2 Time-Slot Allocation Protocol 86

3.3.3 Command/Response Protocol 87

3.3.4 Token Passing Protocol 88

3.3.5 Contention Protocol 88

3.4 ARINC 429 88

3.4.1 ARINC 429 Overview 88

3.4.2 ARINC 429 Architecture Realisation 90

3.5 MIL-STD-1553B 91

3.5.1 MIL-STD-1553B Overview 91

3.5.2 MIL-STD-1553B Word Formats 92

3.5.3 Bus Controller to Remote Terminal (BC-RT) Protocol 94

3.5.4 Remote Terminal to Bus Controller (RT-BC) Protocol 94

3.5.5 Remote Terminal to Remote Terminal (RT-RT) Protocol 95

3.5.6 Broadcast Protocol 95

3.5.7 Error Management 95

3.6 ARINC 629 97

3.6.1 ARINC 629 Overview 97

3.6.2 ARINC 629 Protocol 97

3.6.3 ARINC 629 Bus Coupler 99

3.6.4 ARINC 629 Architecture Realisation 99

3.7 ARINC 664 Part 7 100

3.7.1 ARINC 664 Overview 100

3.7.2 Ethernet Frame Format 101

3.7.3 Network Topology 101

3.7.4 Contention Avoidance 103

3.7.5 Virtual Links 105

3.7.6 Protocol 107

3.7.7 SummaRY 109

3.7.8 Cables 109

3.8 CANbus 110

3.8.1 CANbus Overview 110

3.8.2 CANbus Message Formats 110

3.8.3 CANbus Variants 112

3.9 Time Triggered Protocol 113

3.10 Fibre-optic Data Communications 113

3.10.1 Attributes of Fibre-optic Data Transmission 113

3.10.2 Physical Implementation 114

3.11 Data Bus Summary 115

3.11.1 Data Bus Overview 115

3.11.2 Contrasting Traffic Management Techniques 117

References 118

4 System Safety 119

4.1 Introduction 119

4.2 Flight Safety 120

4.2.1 Introduction 120

4.2.2 Flight Safety Overview 120

4.2.3 Accident Causes 124

4.3 System Safety Assessment 124

4.3.1 Introduction 124

4.3.2 Key Agencies,Documents and Guidelines 125

4.3.3 Failure Classification 126

4.3.4 In-Service Experience 127

4.3.5 Safety Assessment Processes 127

4.4 Reliability 128

4.4.1 Introduction 128

4.4.2 Failure Mechanisms 128

4.4.3 The Relationship between Probability and Mean Time between Failures 130

4.4.4 Assessment of Failure Probability 132

4.4.5 Reliability Management 133

4.5 Availability 134

4.5.1 Introduction 134

4.5.2 Classic Probability Theory 135

4.5.3 Simplex Architecture 135

4.5.4 Triplex Architecture 136

4.5.5 Triplex Architecture plus Backup 136

4.6 Integrity 138

4.6.1 Built-in-Test 139

4.6.2 Cross-Monitoring 140

4.7 Redundancy 141

4.7.1 Simplex Architecture 142

4.7.2 Duplex Architecture 142

4.7.3 Dual Command:Monitor Architecture 143

4.7.4 Triplex Architecture 145

4.7.5 Quadruplex Architecture 146

4.7.6 Summary 147

4.8 Analysis Methods 148

4.8.1 Top-Down Methods 148

4.8.2 Bottom-Up Methods 149

4.8.3 Lighting System Example 149

4.9 Other Considerations 151

4.9.1 Exposure Time (Time at Risk) 151

4.9.2 Cascade and Common Mode Faults 152

4.9.3 Dissimilarity 153

4.9.4 Segregation and Partitioning 155

4.9.5 Dispatch Availability 156

References 157

5 Avionics Architectures 159

5.1 Introduction 159

5.2 Avionics Architecture Evolution 159

5.2.1 Overview of Architecture Evolution 159

5.2.2 Distributed Analogue Architecture 161

5.2.3 Distributed Digital Architecture 162

5.2.4 Federated Digital Architecture 164

5.2.5 Integrated Modular Avionics 166

5.2.6 Open System Standards 169

5.3 Avionic Systems Domains 169

5.3.1 The Aircraft as a System of Systems 169

5.3.2 ATA Classification 171

5.4 Avionics Architecture Examples 172

5.4.1 The Manifestations of IMA 172

5.4.2 The Airbus A320 Avionics Architecture 173

5.4.3 The Boeing 777 Avionics Architecture 174

5.4.4 Honeywell EPIC Architecture 179

5.4.5 The Airbus A380 and A350 180

5.4.6 The Boeing 787 184

5.5 IMA Design Principles 188

5.6 The Virtual System 189

5.6.1 Introduction to Virtual Mapping 189

5.6.2 Implementation Example:Airbus A380 191

5.6.3 Implementation Example:Boeing 787 193

5.7 Partitioning 194

5.8 IMA Fault Tolerance 195

5.8.1 Fault Tolerance Principles 195

5.8.2 Data Integrity 196

5.8.3 Platform Health Management 197

5.9 Network Definition 197

5.10 Certification 198

5.10.1 IMA Certification Philosophy 198

5.10.2 Platform Acceptance 199

5.10.3 Hosted Function Acceptance 200

5.10.4 Cost of Change 200

5.10.5 Configuration Management 201

5.11 IMA Standards 201

References 203

6 Systems Development 205

6.1 Introduction 205

6.1.1 Systems Design 205

6.1.2 Development Processes 206

6.2 System Design Guidelines 206

6.2.1 Key Agencies and Documentation 206

6.2.2 Design Guidelines and Certification Techniques 207

6.2.3 Guidelines for Development of Civil Aircraft and Systems - SAE ARP 4754A 208

6.2.4 Guidelines and Methods for Conducting the Safety Assessment - SAE ARP 4761 208

6.2.5 Software Considerations - RTCA DO-178B 209

6.2.6 Hardware Development - RTCA DO-254 209

6.2.7 Integrated Modular Avionics - RTCA DO-297 209

6.2.8 Equivalence of US and European Specifications 210

6.3 Interrelationship of Design Processes 210

6.3.1 Functional Hazard Assessment (FHA) 210

6.3.2 Preliminary System Safety Assessment (PSSA) 212

6.3.3 System Safety Assessment (SSA) 213

6.3.4 Common Cause Analysis (CCA) 213

6.4 Requirements Capture and Analysis 213

6.4.1 Top-Down Approach 214

6.4.2 Bottom-Up Approach 214

6.4.3 Requirements Capture Example 215

6.5 Development Processes 217

6.5.1 The Product Life-Cycle 217

6.5.2 Concept Phase 218

6.5.3 Definition Phase 219

6.5.4 Design Phase 220

6.5.5 Build Phase 221

6.5.6 Test Phase 222

6.5.7 Operate Phase 223

6.5.8 Disposal or Refurbish Phase 223

6.6 Development Programme 224

6.6.1 Typical Development Programme 224

6.6.2 ‘V’ Diagram 226

6.7 Extended Operations Requirements 226

6.7.1 ETOPS Requirements 226

6.7.2 Equipment Requirements 228

6.8 ARINC Specifications and Design Rigour 229

6.8.1 ARINC 400 Series 229

6.8.2 ARINC 500 Series 229

6.8.3 ARINC 600 Series 229

6.8.4 ARINC 700 Series 230

6.8.5 ARINC 800 Series 230

6.8.6 ARINC 900 Series 230

6.9 Interface Control 231

6.9.1 Introduction 231

6.9.2 Interface Control Document 231

6.9.3 Aircraft-Level Data-Bus Data 231

6.9.4 System Internal Data-Bus Data 233

6.9.5 Internal System Input/Output Data 233

6.9.6 Fuel Component Interfaces 233

References 233

7 Electrical Systems 235

7.1 Electrical Systems Overview 235

7.1.1 Introduction 235

7.1.2 Wider Development Trends 236

7.1.3 Typical Civil Electrical System 238

7.2 Electrical Power Generation 239

7.2.1 Generator Control Function 239

7.2.2 DC System Generation Control 240

7.2.3 AC Power Generation Control 242

7.3 Power Distribution and Protection 248

7.3.1 Electrical Power System Layers 248

7.3.2 Electrical System Configuration 248

7.3.3 Electrical Load Protection 250

7.3.4 Power Conversion 253

7.4 Emergency Power 254

7.4.1 Ram Air Turbine 255

7.4.2 Permanent Magnet Generators 256

7.4.3 Backup Systems 257

7.4.4 Batteries 258

7.5 Power System Architectures 259

7.5.1 Airbus A320 Electrical System 259

7.5.2 Boeing 777 Electrical System 261

7.5.3 Airbus A380 Electrical System 264

7.5.4 Boeing 787 Electrical System 265

7.6 Aircraft Wiring 268

7.6.1 Aircraft Breaks 269

7.6.2 Wiring Bundle Definition 270

7.6.3 Wiring Routing 271

7.6.4 Wiring Sizing 272

7.6.5 Aircraft Electrical Signal Types 272

7.6.6 Electrical Segregation 274

7.6.7 The Nature of Aircraft Wiring and Connectors 274

7.6.8 Used of Twisted Pairs and Quads 275

7.7 Electrical Installation 276

7.7.1 Temperature and Power Dissipation 278

7.7.2 Electromagnetic Interference 278

7.7.3 Lightning Strikes 280

7.8 Bonding and Earthing 280

7.9 Signal Conditioning 282

7.9.1 Signal Types 282

7.9.2 Signal Conditioning 283

7.10 Central Maintenance Systems 284

7.10.1 Airbus A330/340 Central Maintenance System 285

7.10.2 Boeing 777 Central Maintenance Computing System 288

References 290

Further Reading 290

8 Sensors 291

8.1 Introduction 291

8.2 Air Data Sensors 292

8.2.1 Air Data Parameters 292

8.2.2 Pressure Sensing 292

8.2.3 Temperature Sensing 292

8.2.4 Use of Pressure Data 294

8.2.5 Pressure Datum Settings 295

8.2.6 Air Data Computers (ADCs) 297

8.2.7 Airstream Direction Detectors 299

8.2.8 Total Aircraft Pitot-Static System 300

8.3 Magnetic Sensors 301

8.3.1 Introduction 301

8.3.2 Magnetic Field Components 302

8.3.3 Magnetic Variation 303

8.3.4 Magnetic Heading Reference System 305

8.4 Inertial Sensors 306

8.4.1 Introduction 306

8.4.2 Position Gyroscopes 306

8.4.3 Rate Gyroscopes 306

8.4.4 Accelerometers 308

8.4.5 Inertial Reference Set 309

8.4.6 Platform Alignment 312

8.4.7 Gimballed Platform 315

8.4.8 Strap-Down System 317

8.5 Combined Air Data and Inertial 317

8.5.1 Introduction 317

8.5.2 Evolution of Combined Systems 317

8.5.3 Boeing 777 Example 319

8.5.4 ADIRS Data-Set 320

8.5.5 Further System Integration 320

8.6 Radar Sensors 323

8.6.1 Radar Altimeter 323

8.6.2 Weather Radar 324

References 327

9 Communications and Navigation Aids 329

9.1 Introduction 329

9.1.1 Introduction and RF Spectrum 329

9.1.2 Equipment 331

9.1.3 Antennae 332

9.2 Communications 332

9.2.1 Simple Modulation Techniques 332

9.2.2 HF Communications 335

9.2.3 VHF Communications 337

9.2.4 SATCOM 339

9.2.5 Air Traffic Control (ATC) Transponder 342

9.2.6 Traffic Collision Avoidance System (TCAS) 345

9.3 Ground-Based Navigation Aids 347

9.3.1 Introduction 347

9.3.2 Non-Directional Beacon 348

9.3.3 VHF Omni-Range 348

9.3.4 Distance Measuring Equipment 348

9.3.5 TACAN 350

9.3.6 VOR/TAC 350

9.4 Instrument Landing Systems 350

9.4.1 Overview 350

9.4.2 Instrument Landing System 351

9.4.3 Microwave Landing System 354

9.4.4 GNSS Based Systems 354

9.5 Space-Based Navigation Systems 354

9.5.1 Introduction 354

9.5.2 Global Positioning System 355

9.5.3 GLONASS 358

9.5.4 Galileo 359

9.5.5 COMPASS 359

9.5.6 Differential GPS 360

9.5.7 Wide Area Augmentation System (WAAS/SBAS) 360

9.5.8 Local Area Augmentation System (LAAS/LBAS) 360

9.6 Communications Control Systems 362

References 363

10 Flight Control Systems 365

10.1 Principles of Flight Control 365

10.1.1 Frame of Reference 365

10.1.2 Typical Flight Control Surfaces 366

10.2 Flight Control Elements 368

10.2.1 Interrelationship of Flight Control Functions 368

10.2.2 Flight Crew Interface 370

10.3 Flight Control Actuation 371

10.3.1 Conventional Linear Actuation 372

10.3.2 Linear Actuation with Manual and Autopilot Inputs 372

10.3.3 Screwjack Actuation 373

10.3.4 Integrated Actuation Package 374

10.3.5 FBW and Direct Electrical Link 376

10.3.6 Electrohydrostatic Actuation (EHA) 377

10.3.7 Electromechanical Actuation (EMA) 378

10.3.8 Actuator Applications 379

10.4 Principles of Fly-By-Wire 379

10.4.1 Fly-By-Wire Overview 379

10.4.2 Typical Operating Modes 380

10.4.3 Boeing and Airbus Philosophies 382

10.5 Boeing 777 Flight Control System 383

10.5.1 Top Level Primary Flight Control System 383

10.5.2 Actuator Control Unit Interface 384

10.5.3 Pitch and Yaw Channel Overview 386

10.5.4 Channel Control Logic 387

10.5.5 Overall System Integration 389

10.6 Airbus Flight Control Systems 389

10.6.1 Airbus FBW Evolution 389

10.6.2 A320 FBW System 391

10.6.3 A330/340 FBW System 393

10.6.4 A380 FBW System 394

10.7 Autopilot Flight Director System 396

10.7.1 Autopilot Principles 396

10.7.2 Interrelationship with the Flight Deck 398

10.7.3 Automatic Landing 400

10.8 Flight Data Recorders 401

10.8.1 Principles of Flight Data Recording 401

10.8.2 Data Recording Environments 403

10.8.3 Future Requirements 403

References 404

11 Navigation Systems 405

11.1 Principles of Navigation 405

11.1.1 Basic Navigation 405

11.1.2 Navigation using Ground-Based Navigation Aids 407

11.1.3 Navigation using Air Data and Inertial Navigation 408

11.1.4 Navigation using Global Navigation Satellite Systems 410

11.1.5 Flight Technical Error - Lateral Navigation 411

11.1.6 Flight Technical Error - Vertical Navigation 412

11.2 Flight Management System 413

11.2.1 Principles of Flight Management Systems (FMS) 413

11.2.2 FMS Crew Interface - Navigation Display 414

11.2.3 FMS Crew Interface - Control and Display Unit 417

11.2.4 FMS Functions 420

11.2.5 FMS Procedures 421

11.2.6 Standard Instrument Departure 423

11.2.7 En-Route Procedures 423

11.2.8 Standard Terminal Arrival Routes 424

11.2.9 ILS Procedures 427

11.2.10 Typical FMS Architecture 427

11.3 Electronic Flight Bag 427

11.3.1 EFB Functions 427

11.3.2 EFB Implementation 429

11.4 Air Traffic Management 430

11.4.1 Aims of Air Traffic Management 430

11.4.2 Communications,Navigation,Surveillance 430

11.4.3 NextGen 431

11.4.4 Single European Sky ATM Research (SESAR) 432

11.5 Performance-Based Navigation 433

11.5.1 Performance-Based Navigation Definition 433

11.5.2 Area Navigation (RNAV) 434

11.5.3 Required Navigation Performance (RNP) 438

11.5.4 Precision Approaches 440

11.6 Automatic Dependent Surveillance - Broadcast 442

11.7 Boeing and Airbus Implementations 442

11.7.1 Boeing Implementation 442

11.7.2 Airbus Implementation 444

11.8 Terrain Avoidance Warning System (TAWS) 444

References 447

Historical References (in Chronological Order) 447

12 Flight Deck Displays 449

12.1 Introduction 449

12.2 First Generation Flight Deck:the Electromagnetic Era 450

12.2.1 Embryonic Primary Flight Instruments 450

12.2.2 The Early Pioneers 451

12.2.3 The ‘Classic’ Electromechanical Flight Deck 453

12.3 Second Generation Flight Deck:the Electro-Optic Era 455

12.3.1 The Advanced Civil Flight Deck 455

12.3.2 The Boeing 757 and 767 456

12.3.3 The Airbus A320,A330 and A340 457

12.3.4 The Boeing 747-400 and 777 458

12.3.5 The Airbus A380 460

12.3.6 The Boeing 787 461

12.3.7 The Airbus A350 462

12.4 Third Generation:the Next Generation Flight Deck 463

12.4.1 Loss of Situational Awareness in Adverse Operational Conditions 463

12.4.2 Research Areas 463

12.4.3 Concepts 464

12.5 Electronic Centralised Aircraft Monitor (ECAM) System 465

12.5.1 ECAM Scheduling 465

12.5.2 ECAM Moding 465

12.5.3 ECAM Pages 466

12.5.4 Qantas Flight QF32 466

12.5.5 The Boeing Engine Indicating and Crew Alerting System (EICAS) 468

12.6 Standby Instruments 468

12.7 Head-Up Display Visual Guidance System (HVGS) 469

12.7.1 Introduction to Visual Guidance Systems 469

12.7.2 HVGS on Civil Transport Aircraft 470

12.7.3 HVGS Installation 470

12.7.4 HVGS Symbology 471

12.8 Enhanced and Synthetic Vision Systems 473

12.8.1 Overview 473

12.8.2 EVS,EFVS and SVS Architecture Diagrams 474

12.8.3 Minimum Aviation System Performance Standard (MASPS) 474

12.8.4 Enhanced Vision Systems (EVS) 474

12.8.5 Enhanced Flight Vision Systems (EFVS) 478

12.8.6 Synthetic Vision Systems (SVS) 481

12.8.7 Combined Vision Systems 484

12.9 Display System Architectures 486

12.9.1 Airworthiness Regulations 486

12.9.2 Display Availability and Integrity 486

12.9.3 Display System Functional Elements 487

12.9.4 Dumb Display Architecture 488

12.9.5 Semi-Smart Display Architecture 490

12.9.6 Fully Smart (Integrated) Display Architecture 490

12.10 Display Usability 491

12.10.1 Regulatory Requirements 491

12.10.2 Display Format and Symbology Guidelines 492

12.10.3 Flight Deck Geometry 492

12.10.4 Legibility:Resolution,Symbol Line Width and Sizing 494

12.10.5 Colour 494

12.10.6 Ambient Lighting Conditions 496

12.11 Display Technologies 498

12.11.1 Active Matrix Liquid Crystal Displays (AMLCD) 499

12.11.2 Plasma Panels 501

12.11.3 Organic Light-Emitting Diodes (O-LED) 501

12.11.4 Electronic Paper (e-paper) 502

12.11.5 Micro-Projection Display Technologies 503

12.11.6 Head-Up Display Technologies 504

12.11.7 Inceptors 505

12.12 Flight Control Inceptors 506

12.12.1 Handling Qualities 507

12.12.2 Response Types 507

12.12.3 Envelope Protection 508

12.12.4 Inceptors 508

References 509

13 Military Aircraft Adaptations 511

13.1 Introduction 511

13.2 Avionic and Mission System Interface 512

13.2.1 Navigation and Flight Management 515

13.2.2 Navigation Aids 516

13.2.3 Flight Deck Displays 517

13.2.4 Communications 518

13.2.5 Aircraft Systems 518

13.3 Applications 519

13.3.1 Green Aircraft Conversion 519

13.3.2 Personnel,Material and Vehicle Transport 521

13.3.3 Air-to-Air Refuelling 521

13.3.4 Maritime Patrol 522

13.3.5 Airborne Early Warning 528

13.3.6 Ground Surveillance 528

13.3.7 Electronic Warfare 530

13.3.8 Flying Classroom 530

13.3.9 Range Target/Safety 530

Reference 531

Further Reading 531

Appendices 533

Introduction to Appendices 533

Appendix A:Safety Analysis - Flight Control System 534

A.1 Flight Control System Architecture 534

A.2 Dependency Diagram 535

A.3 Fault Tree Analysis 537

Appendix B:Safety Analysis - Electronic Flight Instrument System 539

B.1 Electronic Flight Instrument System Architecture 539

B.2 Fault Tree Analysis 540

Appendix C:Safety Analysis - Electrical System 543

C.1 Electrical System Architecture 543

C.2 Fault Tree Analysis 543

Appendix D:Safety Analysis - Engine Control System 546

D.1 Factors Resulting in an In-Flight Shut Down 546

D.2 Engine Control System Architecture 546

D.3 Markov Analysis 548

Simplified Example (all failure rates per flight hour) 549

Index 551