Introduction to Avionics
Author: Mª Ángeles Martín Prats
University of Seville
TABLE OF CONTENTS
Introduction. Basics concepts
Critical systems
More Electric Aircraft
Digital engine control. FADEC
Research and development of electronics technology in
aeronautics
New trends
Master GSC & AIO 2011-2012
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Module 2: Introduction to Avionics
Introduction
On board systems:
- communication
- navegation
- identification
- control, processing and storage subsystems.
High reliability, reducing weight, volume and EMI.
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Module 2: Introduction to Avionics
Military Avionics
Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
Concept “Avionics”
Avionics systems
Cockpit displays.
Communications: HF, U/VHF, satellite communications.
Flight control system, flight control computer, auto pilot, flight
director.
Aids to navigation electronics systems.
Fly-by-wire.
Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
Avionics
systems
Flight data recorder and cockpit voice recorder: FDR y CVR.
Air data sensors.
Inertial data system. IMU.
Angle of attack.
GPS, SATCOM.
VOR/DME, ILS, MLS, TACAN, DF, ADF, MB.
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Module 2: Introduction to Avionics
Avionics
systems
Identification systems: IFF, transponders.
Diagnosis and prognosis. Maintenance.
Mission and defense systems.
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Module 2: Introduction to Avionics
Examples
of critical systems
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Module 2: Introduction to Avionics
Air Data Sistem
(ADS)
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Module 2: Introduction to Avionics
Attitude,
heading and reference system
(AHRS)
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Module 2: Introduction to Avionics
Attitude,
heading and
reference system (AHRS)
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Module 2: Introduction to Avionics
Systems integration
Master GSC & AIO 2011-2012
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Module 2: Introduction to Avionics
Main functions
of avionics systems
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Module 2: Introduction to Avionics
Procedure of
development of avionics systems
F15C Eagle
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Module 2: Introduction to Avionics
The cockpit of
F15C Eagle
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Module 2: Introduction to Avionics
More Electric Aircraft
1. Introduction.
2. Automatic flight control system, flight director:
- Fly by Wire.
- Active control.
- Flight control computers.
- Flight control systems (FCS).
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Module 2: Introduction to Avionics
Trends
Replacememt of pneumatic, hydraulic and mechanic
systems by electrical systems controlled by electronics
devices
NAI (ATA 30) NAI (ATA 30)
Eng. 1 Eng. 2
IPV HPV IPV SFAV
SFAV HPV HRIV
User Systems TBC
PRV ATA 21, 29, 30, 38 PRV
SACV‘s
Pneumatic system
PCE Overboard HPGC Overboard PCE
ATA 30 W AIV
(Slat 3,4,5) Starter
(Thirdt one is
space proision) Starter
ATA 30 W AIV
(Slat 3,4,5)
INSTALACION NEUMATICA
ATA 80 ATA 80
OPV XFV OPV
OC OC
APU check valve
ATA 21 CSAS
ATA 21 CSAS
CIV CIV
TSOV FCV 1 FCV 2 TSOV
(ATA 21) (ATA 21)
ATA 21Trim Air ATA 21Trim Air
Pack Pack
1 2
MasterSISTEMA
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NEUMATICO
APU BV SV (ATA 49)
(ATA 49)
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ATA 49 - APU
Module 2: Introduction to Avionics
More Electric Aircraft (MEA)
Advantages of MEA
Reduction of kerosene consumption.
Reduction of maintenance cost.
50% less delays due to power systems.
Improvement of the competitiveness, the
production and the validation of the technology.
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Module 2: Introduction to Avionics
Potencia - MTOW
700,0
A350 A380
600,0
500,0
400,0
KVA
A340
300,0
B777-200 B747-400
A330 MD-11
200,0
A320 A310 B767_300 DC-10
A300
B737-900
100,0
B717
MD-80
MIRAGE 2000
0,0
0,0 100,0 200,0 300,0 400,0 500,0 600,0
MTOW
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Module 2: Introduction to Avionics
A380:
MORE ELECTRICAL AIRCRAFT
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Module 2: Introduction to Avionics
Fligh control computers
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Module 2: Introduction to Avionics
Flux diagram
of modern flight control systems
Full Authority Digital Engine Control
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Module 2: Introduction to Avionics
Digital Engine Control
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Module 2: Introduction to Avionics
FADEC
DECU of Eurofighter
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Module 2: Introduction to Avionics
EMU
Lines of interest
of electronics
technology applied to Aeronautics
Aircraft systems.
Test benchs and simulators.
Integrated and modular avionics.
Electronics and electrical systems. Power electronics.
Generation, control and distribution systems.
Hardware and software.
Planning and maintenance of aircrafts.
Electromagnetic compatibility.
Antennas.
Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
New trends
Replace:
Analog by digital electronics.
Hardware by software.
Instrumentation and control by
multifunction displays.
Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
Conclusion
Introduction to Avionics. Basics and critical systems.
Fly by wire. Flight control computers.
Digital engine control.
More Electrical Aircraft.
Research and development
New trends. Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
References
[1] Avionic Systems Design. John R. Newport. CRC Press, 1994. ISBN. 0-8493-2465-
3.
[2] The Avionics Handbook. Cary R. Spitzer. CRC Press. 2001. ISBN 0-8493-8348-X.
[3] Flight Control Systems practical issues in design and implementation, editado
por Roger W. Pratt, 2000. ISBN: 0 85296 766 7
[4] Introduction to Airborne Radar, 2nd ed. G.W.Stimson. Scitech Publishing,
1998.
[5] Strapdown Inertial Navigation Technology. D.H.Titterton, J.L.Weston.
Peter Peregrinis Ltd. 2005.
Master GSC & AIO 2011-2012
GLOBAL SUPPLY CHAIN & AERONAUTICAL INDUSTRIAL OPERATIONS
Module 2: Introduction to Avionics
