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lliedSignal A E R O S P A C E Time from 1 st Flight to Certification USA Europe CIS B-737-200 8 B-737-300 9 B-737-400 7 B-737-500 10 B-747 10 B-747-400 9 B-757 10 B-767 10 B-777 10 DC-10 11 MD-80 10 MD-11 10 Average 10 mo. A-300 17 A-310 11 A-320 12 A-330 17 A-340 11 Average 14 mo. BAe-41 14 BAe-125 12 BAe-146 20 Average 15 mo. Falcon-50 27 Falcon-900 18 Average 22 mo. IL-86 48 IL-96 51 IL-114 57-69 TU-154 40 TU-204 60 Yak-42 66 Average 55 mo.
AlliedSignal h/w AlliedSignal h/w + core s/w AlliedSignal OTS from RMU-2 to Displays lliedSignal A E R O S P A C E cp to I/O-3 ARIA-200 system architecture WX-RDR PFD ND EICAS EICAS ND PFD brightness I/O 2 OM I/O AP AP PS FW DC + PS PS VS I/O I/O + DC FW PS 1 AT AT 3 4 Cabinet nr. 1 to Flt Ctl Cabinet nr. 2 VHF ADF ILS MLS TCAS opt. Sensors ADC-1 AHRS-1 RA to IOM-2/4 Display System 6"x8" AM-LCD's VOR DME TACAN opt. source sel. EFIS cp EICAS cp FC cp source sel. from A/C Systems XPDR HF opt. Flight & Radio Management cp cp to CNS-2 to CNS-1 to CNS-1 RMU-1 RMU-2 to CNS-2 FMS/GPS-1 FMS/GPS-2 to/from Engine Ctl to IOM-1/2/3/4 to FSM-1/2 cp DATA LOADER (portable) cp cp to Audio System opt. opt. opt. ACARS XPDR HF from A/C Systems CNS suite nr. 1 CNS suite nr. 2 VOR ADF VHF RA to IOM-1/3 Alt + IAS DME ADI RMI Stdby Instr. Sensors AHRS-2 ADC-2 to I/O-2 ILS from RMU-1 ref.: F. Dörenberg, L. LaForge: “An Overview of AlliedSignal’s Avionics Development in the CIS“, IEEE AES Systems Magazine, Feb. ‘95, pp. 8-12
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Integrated and Modular Systems for
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Integrated and Modular Systems for
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Integrated and Modular Avionics •
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Engine thrust Structure & Gear Comp
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Why change avionics? • Airline/Op
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Operators seek revenue enhancement
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Why change avionics? (cont’d) •
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Why change avionics? (cont’d) •
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Avionics business • high-tech but
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Changing airtransport environment 1
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5000 Pax-km (billions, log-scale) 1
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Billions of 1995 US $ 80 60 40 20 9
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24% 23% 23% 30% 737-300 ($1834/hr)
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Big $ numbers life-time maintenance
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Save now and save later • increas
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Average schedule deviation costs de
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Integrated Modular Avionics Archite
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Fault Avoidance - prevent (by const
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Fault Tolerance Taxonomy Fault Tole
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Redundancy • Attributes: � form
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Basic ways to increase system relia
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1 System Reliability λunit = 5x10-
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Note: log-log scale F (t) 2-out-of-
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System architecture and design deci
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1.0 Rconfig(t) 0.9 0.8 dual Redunda
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Simplex Dual Triplex Quad Dual-Dual
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Integration is necessary because...
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Integration trend: Multi-Mode Recei
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Integration issues • “integrate
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Fault Tolerance for Safety, Reliabi
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Quant. Prob. 1 10-3 10-5 10-7 10-9
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Failure System Condition Design Ass
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Electro-Magnetic Interference (EMI)
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Req's for Fault Avoidance (incl. Co
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Standardization issues • “gener
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Page 103 and 104: Integrated Flight & Thrust Control
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lliedSignal A E R O S P A C E Backp
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lliedSignal A E R O S P A C E sets
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lliedSignal A E R O S P A C E Growt
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lliedSignal A E R O S P A C E Fligh
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lliedSignal A E R O S P A C E Unifi
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lliedSignal A E R O S P A C E Allie
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lliedSignal A E R O S P A C E Typic
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lliedSignal A E R O S P A C E Integ
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lliedSignal A E R O S P A C E - Com
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Related utilities sub-systems that
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A/C Loads lliedSignal A E R O S P A
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lliedSignal A E R O S P A C E Integ
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lliedSignal A E R O S P A C E MAFT/
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lliedSignal A E R O S P A C E Globa
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from all other nodes + wrap from ow
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lliedSignal A E R O S P A C E RTEM
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lliedSignal A E R O S P A C E MAFT/
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1 Integrated and Modular Avionics
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3 FANS: Future Air Navigation Syste
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5 Component and System Performance
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7 Component and System Performance
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9 Future ........ (cont’d) • im
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11 150 k ↑ Total airplane signal
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13 100 MB 80 MB 20 MB 10 MB 747-200
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15 System Complexity and Size Typic
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17 Given: Extrapolation ...... •
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19 Enabling technologies - componen
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Enabling technologies - drivers for
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23 Enabling technologies - design /
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25 236-pin connector Example: PC mo
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27 Example: integrated X-band power
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29 Cold-Cathode Field Emission Disp
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31 Enabling technologies - componen
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33 Resource Partitioning - part of
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35 Enabling technologies - communic
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37 High Medium Low Enabling technol
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39 Enabling technologies � s/w
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1 BOOKS BIBLIOGRAPHY F.J. Redmill (
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3 M.L. Shooman: "A study of occurre
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