SmartPath™ Dave Jensen, John Howard Honeywell, Precision Landing Systems 29-30 Oct 2009 CAAC New Technology Seminar - GNSS SmartPath™ Technical Overview Honeywell.com SmartPathTM Technical Overview • SmartPath CAT-I GBAS 每 FAA Certified 每 Capabilities 每 Architecture, Components 每 GPS Integrity Monitors 每 Siting & Installation •SmartPath Development Continues 每 Curved Approach Paths 每 Missed Approaches 每 Guided Departures 每 Positioning Service 每 CAT-II, CAT-III Final Approaches Dave Jensen/John Howard 2 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 World＊s First FAA-Certified GBAS Honeywell.com SmartPathTM CAT-I GBAS • Category-I Ground Based Augmentation System (GBAS) 每Compliant with FAA-E-AJW44-2937A (Category-I LGF) 每 FAA System Design Approval (SDA) granted September 3, 2009 • Cross-Over to Digital Technology 每 GBAS replaces Category-I Instrument Landing System (ILS) • ILS uses analog radio beam to guide approach 每 Aircraft now receives omni-directional digital data broadcast • GBAS uses ＆virtual＊ path to guide approach • Critical Subsystem Redundant Architecture 每 4 Reference Receivers (minimum 3) 每 2 Corrections Processor Subsystems 每 2 VHF Data Broadcast (VDB) Subsystems 每 2 Communication Busses (Ethernet) 每 3 Power Sources (2 Primary AC + 10h Battery Backup) Dave Jensen/John Howard 3 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 World＊s First FAA-Certified GBAS Honeywell.com SmartPathTM Capabilities • Category-I Precision Approach (200 ft DH) 每 99% availability in most locations • Approach Paths: Uplinks Final Approach Segments (FAS) 每 Supports all runways at an airport with single system 每 Provides multiple glide slopes/approaches per runway 每 Up to 26 final approaches 每 Flexible siting anywhere within 6 km of all Decision Heights • Integrity: Monitors GPS Satellites, Signal-in-Space, Ground 每 Aircraft raw GPS unable to ensure GPS satellite integrity 每 Monitoring of satellite, space and ground error sources 每 1.5 x 10-7 approach integrity (to 23 NM) • Accuracy: Corrects up to 13 pseudoranges 每 L1 used for all pseudorange measurements 每 50 cm accuracy (95%) • Connectivity: Ethernet Interface 每 Read-only monitoring via Ethernet interface 每 Up to 6 remote GBAS monitors Dave Jensen/John Howard 4 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Provides Approaches, Integrity, Accuracy Honeywell.com SmartPathTM Components GPS Antennas Corrections Processor •Four GPS RRA/RSMU per GBAS •Multipath limiting design •Sharp cut-off/rejection at horizon •entium M, 1.8 GHz CPU •Real time monitoring for GPS failures, local error sources •Differential corrections VHF Antenna •Horizontal polarized (HPOL) •Omni-directional GPS Receivers •48-channel, L1 C/A GPS •Signal Quality Monitoring VHF Radios •Nav band, 108-118 MHz Omni g Q y g •D8PSK modulation, TDMA •Digital data broadcast Maintenance Data Terminal Ai T ffi St t U it •Windows OS •System mode & control •Component status •Approach •Windows OS •System mode •Current/Predicted Air Traffic Status Unit Dave Jensen/John Howard 5 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 control Availability Honeywell.com SmartPathTM Architecture Dave Jensen/John Howard 6 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Redundant Critical Subsystems Honeywell.com SmartPathTM Integrity Monitors • Satellite Errors 每 Satellite Position 每 Signal Deformation 每 Code/Carrier Divergence (CCD) 每 Excessive Acceleration 每 Low Signal Power •Space & Atmosphere Errors 每 Ionosphere 每 Troposphere • Ground & Receiver Errors 每 Multipath 每 Radio Frequency Interference 每 Cross-Correlation 每 Cycle Slip Dave Jensen/John Howard 7 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Honeywell.com SmartPathTM Siting • Select Possible Locations 每Map & Paper study determines candidate locations 每 On-Site assessment evaluates candidate locations • Assess Airport Siting Constraints 每 Airport Operational Requirements 每 Safety and Obstruction Zones 每 Keep-out Areas, e.g. VOR, ILS 每 Future Airport Development Plans • Apply GBAS General Siting Requirements 每 Power, Communications, Access, Security • Meet GBAS Subsystem Siting Requirements 每 Reference Receivers, Shelter, VDB Antenna 每 Minimum & Maximum Separation 每 Ensure Signal Coverage Volume Dave Jensen/John Howard 8 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Flexible Siting Honeywell.com SmartPathTM Installation • Construct Infrastructure 每 4 Reference receiver footings and masts (up to 6 ft) 每 Shelter (existing or build) 每 VHF Antenna footing and mast (up to 35 ft) 每 Trench and bury cabling • Install GBAS Equipment 每 Interconnect system components • Baseline System Performance 每 Identify system error bounds 每 Identify unacceptable multipath regions mask • Conduct 14-day Stability Test • Complete Facility Approval • Complete Operational Approval Dave Jensen/John Howard 9 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Quick Installation Honeywell.com Future Development • Terminal Area Paths (TAP) 每 Provide curved paths into final approach 每 Provide missed approach path 每 Provide guided departures 每 Provide transition from RNP to GLS final • Quantas has developed world＊s first RNP to GLS final at Sydney • Differential Correction Positioning Service (DCPS) 每 RNP-0.1 achievable using positioning service • Availability Enhancements 每 Monitor optimization to reduce 0.50 cm accuracy 每 Reduce system start-up time • Category-II Precision Approaches 每 >100 ft Decision Height (including CAT-I) 每 Expect no HW upgrade for CAT-III • Category-III Precision Approaches 每 <100 ft Decision Height (including CAT-I) 每 ICAO, RTCA requirements being approved, validated Dave Jensen/John Howard 10 CAAC New Technology Seminar 每 GBAS 29-30 October 2009 Clear path to CAT-II and CAT-III Honeywell.com Recap • SmartPath is World＊s First FAA-Certified CAT-I GBAS • SmartPath Provides 每 26 GLS Approaches 每 14 GPS Integrity Monitors 每 13 GPS Corrections 每 Integrity to 23 NM 每 Critical redundant architecture • SmartPath Leading the Way to 每 Improved accuracy (<0.50 m) 每 Curved paths into GLS final 每 Missed approaches, guided departures 每 Positioning service to support RNP-0.1 每 CAT-II, CAT-III precision approaches • Questions? Dave Jensen/John Howard 11 CAAC New Technology Seminar 每 GBAS 29-30 October 2009釬氪: skycloud1011 奀潔: 2011-2-14 09:52:03
entium M, 1.8 GHz CPU