SIRENA SIRENA External EMC simulation for radio electric systems, - PowerPoint PPT Presentation

SIRENA SIRENA External EMC simulation for radio electric systems, in the close environment of the aircraft Aeronautics Days 2006, Vienna 19-21 June

SIRENA technical main objectives technical main objectives SIRENA Development of software and methods, adapted to EM field computation for large areas, including a terrain and lots of complex objects, for frequencies from 100 MHz up to 100 GHz Aeronautics Days 2006, Vienna 19-21 June

Partners Partners Euro Inter TUBS Aeronautics Days 2006, Vienna 19-21 June

THE WHOLE PROCESS THE WHOLE PROCESS Reference GAÏA EM Input/Output Editing of physical parameters Editable script and assignment to 3D geometrical scenes AGETIM Automatic 3D terrain modelling PTT EM from 2D geographical data Creating a physical material EM Material based classified texture from a DataBase visible texture Geometrical DataBase Scenario: SPECRAY EM EM field Objects EM sensor Sensors Trajectories VEM3D Trajectory Field Visualization GAIA PERF Real Time 3D visualization for scenario observation Aeronautics Days 2006, Vienna 19-21 June

Overview of SIRENA WPs WP0 : MANAGEMENT WP1 : OPERATIONAL REQUIREMENTS WP2 : TECHNICAL REQUIREMENTS WP3 : EXPLOITATION REQUIREMENTS WP4 : DATABASE MODELLING T4.1 : AUTOMATIC AIRPORT 3D MODELLING T4.2 : EM SOURCES MODELLING T4.3 : ENHANCEMENT WITH PHYSICAL DATA T4.4 : EXPERIMENT ON A REAL SITE WP5 : EM FIELD COMPUTATION T5.1 : RAY TRACING FOR EM PROPAGATION T5.2 : PHYSICAL MODEL WP6 : EM FIELD ANALYSIS T6.1 : VISUALISATION T6.2 : INTERPRETATION WP7 : VALIDATION WP8 : RECOMMANDATION AND ADVICE WP9 : DISSEMINATION & EXPLOITATION Aeronautics Days 2006, Vienna 19-21 June

WP 1 WP 1 OBJECTIVES To define precisely the operational perimeter of any kind of emission/reception antennas and radars of the selected aircraft and airport PARTNERS OKTAL-SE AIRBUS ONERA DELIVERABLES • Operational requirements, WP1 report • UML database available online, that gathers all EM equipments on airport • Operational requirements, dissemination document Aeronautics Days 2006, Vienna 19-21 June

WP 1 : Example of result WP 1 : Example of result Output power 100 W to 1 kW versions Frequency 960 MHz – 1215 MHz ± 0,001% Frequency stability Channels 252 (X and Y) RF pulse spectrum, spurious outputs and ICAO annex 10 harmonics 2,5 ms ± 0,5 ms Pulse rise and fall time 3,5 ms ± 0,5 ms Pulse duration X channel - 12 ms ± 0,25 ms Pulse pair spacing Y channel - 30 ms ± 0,25 ms Ident signal ICAO annex 10 1350 ± 25 pp/s Ident rate PRF 700 to 5400 pp/s X channel – 35 to 51 ms System reply delay Y channel – 48 to 57 ms Microprocessor control ± 0,025 ms Receiver Frequency 1025 MHz to 1150 MHz (1 MHz channels) Sensitivity -91 dBm for 70% reply efficiency Adjacent channel and IF frequency rejection 83 dB minimum 2020 DME co-located with ILS Spurious rejection 75 dB min for spurious frequencies X channel - 12 ms ± 1 ms Receiver decodes (N) mode Y channel - 36 ms ± 1 ms Aircraft handling capacity 200 interrogators Power consumption 210 W (nom) for 100 W Aeronautics Days 2006, Vienna 19-21 June

WP 2 WP 2 OBJECTIVES To define the level of detail, which is required for the modelling of the different features that will be represented PARTNERS OKTAL-SE AIRBUS ONERA DELIVERABLES Technical requirements, WP2 report Technical requirements, dissemination document Aeronautics Days 2006, Vienna 19-21 June

WP 2 : Example of result WP 2 : Example of result Pre analyse of performance limitation for ray casting Problem of chordal deviation on a curve and tessalisation strateg 2 Tesselled sphere RCS 11 dB.m dB.m 2 14 13 12 11 10 9 Chordal deviation 8 λ/ 00 λ/ 10 λ/ 20 λ/ 30 λ/ 40 λ/ 50 λ/ 60 λ/ 70 λ/ 80 λ/ 90 λ/ 100 λ/ 110 λ/ 120 λ/ 130 λ/ 140 λ/ 150 RCS sphere ( tesselled: 2.4° / Ray Tracing precision 1°) RSC sphere (Ray Tracing precision 2.4°) RSC sphere (Ray Tracing precision 1°) Aeronautics Days 2006, Vienna 19-21 June

WP 3 WP 3 OBJECTIVES To define precisely the exploitation perimeter in term of scenarios enabling to assess a wide field of situations PARTNERS OKTAL-SE AIRBUS ONERA DELIVERABLES Exploitation requirements, WP3 report Exploitation requirements, dissemination document Aeronautics Days 2006, Vienna 19-21 June

WP 3 : Example of result WP 3 : Example of result Observer located at 8NM from the end of runway. 14R PRS Example of scenario definition In flight observer ILS glide and DME 14L with ground vehicles GSM 193 TWR Terminal 194 GSM 201 Terminal 196 Odyssud (FM) GSM 195 Terminal 197 GSM 199 GSM 188 Old TWR 32L GSM 205 ILS localiser GSM 207 32R Aeronautics Days 2006, Vienna 19-21 June

WP 4.1 WP 4.1 OBJECTIVES To provide software means for automatic airport mock-up generation and validate them with the modelling of Blagnac airport PARTNERS OKTAL-SE ONERA DELIVERABLES Automatic airport modelling, WP4.1 report New Blagnac’s airport mock-up AGETIM software with a module for airport generation Aeronautics Days 2006, Vienna 19-21 June

AGETIM Modeling Process AGETIM Modeling Process Feature data Photos Elevation data GIS facilities painting plaster «source» database brick fusion rough coat painting Multi-layer material EM physical data modelling 3D profiling & EM enhancement using templates Road Template 3D meshed mock-up with EM & attributes Aeronautics Days 2006, Vienna 19-21 June

WP 4.1 : Example of WP 4.1 : Example of result result Treatment of feature source data Mapping of the aerial photograph Aeronautics Days 2006, Vienna 19-21 June

WP 4.1 : Example of WP 4.1 : Example of result result Specific 3D modelling of antennas (ILS/glide, ILS/loc, radar) Aeronautics Days 2006, Vienna 19-21 June

WP 4.2 WP 4.2 OBJECTIVES To define precisely the operational perimeter of any kind of emission/reception antennas and radars of the selected aircraft and airport PARTNERS ICCS IKT IBK OKTAL-SE ONERA DELIVERABLES Methodology and module for designing antennas Aeronautics Days 2006, Vienna 19-21 June

WP 4.2 : Example of WP 4.2 : Example of result result Tool prototyping Aeronautics Days 2006, Vienna 19-21 June

WP 4.3 WP 4.3 OBJECTIVES To model the new virtual mock-up of Blagnac airport enhanced with EM physical data Blagnac airport PARTNERS ICCS OKTAL-SE ONERA DELIVERABLES EM materials dataset Virtual mock-up of Blagnac enhanced with physical data Aeronautics Days 2006, Vienna 19-21 June

WP 4.3 : Example of WP 4.3 : Example of result result Sketch of the EM materials database 5x10E7 1x10E8 3x10E8 1x10E9 3x10E9 1x10E10 2x10E10 2,5xE10 Soil tan Materials e/e e/eo tan δ e/eo tan δ e/eo tan δ e/eo tan δ e/eo tan δ e/eo tan δ e/eo tan δ o δ Light grey Clay, 100 2.5 70 2 65 1 48 0.35 47 0.25 10,M=75.5% Light grey Clay, 8 0.22 7 0.25 5.7 0.3 4.5 0.26 3.8 0.21 3.5 0.07 3.3 0.07 3.2 0.65 =20,M=13% Light grey Clay, 90 2.7 82 2 56 1.1 45 0.5 40 0.23 38 0.08 20,M=75,5% Clay, Grey, 65 1.1 60 0.75 55 0.34 48 0.18 47 0.25 36 0.8 20 1.5 10,M=77,9% Clay, Grey, 7 0.4 6 0.38 5 0.21 4 0.24 3.5 0.15 3.4 0.11 3.1 0.12 20, M=6,8% Clay, Grey, 65 1.6 60 0.9 55 0.45 50 0.21 50 0.22 37 0.55 20 1 20,M=70,9% Clayey Silt, ace of Sand, 3,8 0,11 3,7 0,13 3,8 0,2 3,1 0,19 10, M=7,6% Clayey Silt, ace of Sand, 40 0,55 36 0,38 32 0,18 31 0,12 30 0,2 10,M=46,1% Clayey Silt, ace of Sand, 3,8 0,3 3,15 0,22 3,1 0,6 2,9 0,1 2,9 0,07 2,8 0,041 2,7 0,03 2,7 0,03 20, M=2,5% Clayey Silt, ace of Sand, 42 0,6 39 0,41 36 0,27 31 0,014 31 0,017 20,M=46,1% Aeronautics Days 2006, Vienna 19-21 June

WP 4.4 WP 4.4 OBJECTIVES To perform accurate measurements on the Blagnac airport site PARTNERS TUBS ONERA DELIVERABLES Measurement report Aeronautics Days 2006, Vienna 19-21 June

WP 4.4 : Example of WP 4.4 : Example of result result Reflection measurements for a large reflective corner List of measured frequencies measured frequency band [MHz] Signal Frequency GPS-coordinates Power source from to [MHz] [W] ILS-Localizer 108,1 111,95 110,7 43° 36' 53'' N 1° 22' 35 '' E 25 Television 550 710 GSM 1 921 960 DME 960 1215 1005,0 43° 38' 33'' N 1° 20' 59 '' E 100 Secondary Radar 1020 1040 1030 43° 34' 00'' N 1° 08' 00'' E 1600 GSM 2 1805 1880 Primary Radar 2700 2900 2750 / 2850 43° 38' 13'' N 1° 20' 24'' E 18000 5031 5091 5038,80 43° 36' 56'' N 1° 22' 31'' E 30 MLS Surface-movement- radar 9170 9490 9430 43° 37' 23'' N 1° 22' 49'' E 17000 Aeronautics Days 2006, Vienna 19-21 June

WP 4.4 : Example of WP 4.4 : Example of result result Locations where passive field strength measurements have been conducted Aeronautics Days 2006, Vienna 19-21 June

WP 5.1 WP 5.1 OBJECTIVES To optimise the simulation kernel for SIRENA, from the existing software SPECRAY EM/FERMAT PARTNERS OKTAL-SE ONERA DELIVERABLES Specification of the software Software implementation release Aeronautics Days 2006, Vienna 19-21 June

WP 5.1 : Example of WP 5.1 : Example of result result Introduction of the divergence factor into the EM formulations OG OP 20 10 0 0 20 40 60 80 100 120 140 160 180 200 -10 -20 dB -30 -40 -50 -60 -70 PhiIn OG(CYL->PLATE),OP (NO DIV) OG(CYL->PLATE),OP (DIV) Aeronautics Days 2006, Vienna 19-21 June