Future Satellite Based Landing Applications Dr.-Ing. Thomas Feuerle (TU Braunschweig) Galileo Application Congress Prague 2012
Content Motivation and Background Precision GNSS landing applications Examples of roadmaps Research activities of TU Braunschweig Dual constellation GBAS for flexible CAT III approach and landing applications Summary and Outlook January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 2
Motivation / Background: precision GNSS landing applications Space Based Augmentation System (SBAS) e.g. EGNOS for LPV in Europe, WAAS in CONUS Ground Based Augmentation System (GBAS) GPS-Stand alone (GAST C equals CAT I) GPS with augmentation (GAST D equals CAT III) Dual constellation GPS (GAST F equals CAT III) Worldwide ongoing research and development for GBAS with different kinds of installations Source: IFF, 2009 Advantage: GBAS and SBAS can be used for straight-in and flexible approach procedures with one navigation system for all phases of flight January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 3 SCAT-1 Operational Trials / Certification Proposed Source: flygls.net
Motivation / Background: examples of roadmaps FAA 2.746 published LPV approaches in the US (December 2011, www.faa.gov) Commitment towards GBAS usage Source: FAA, 2011 EUROCONTROL 6 published LPV approaches in Europe (December 2011, http://www.essp-sas.eu) Commitment towards GBAS usage e.g. worldwide first GBAS approach published for public usage in Bremen (Germany) Implementation roadmap dependent on strategies of countries Source: ESSP, 2011 Japan CARATS (Collaborative Actions for Renovation of Air Traffic Systems) Realizing Satellite-based navigation for All Flight Phases Source: CARATS, 2011 January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 4
Past Research Activities at TU Braunschweig (Examples) Initial Flight Calibration of GBAS Station in Bremen (contract with DFS) GIFTaS GBAS Initial Flight Tests and SBAS Comparison Flight Trials and Data evaluation in Egelsbach and Toulouse Partners: PilDo Labs, IntegNav (funded by EUROCONTROL) GMPC GBAS Malaga Performance Comparison Data evaluation of Malaga Flight Trials Partners: PilDo Labs (funded by EUROCONTROL) GRIT GBAS Russian Interoperability Trials Flight Trials and Data Evaluation with Russian GBAS ground station (funded by EUROCONTROL) January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 5
Current Research Activities at TU Braunschweig Galileo test bed at Braunschweig Research Airport user defined / variable transmission of navigation message time synchronisation The aviationgate has been built by the Institute of Flight Guidance (IFF) at Technische Universitaet Braunschweig as part of the project UniTaS IV founded by the Bundesministerium für Wirtschaft und Technologie (BMWi), administered by the Agency of Astronautics of the DLR January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 6
Current Research Activities at TU Braunschweig Coverage of approach region Final approach segment Apron and taxi ways Restrictions only caused by local constructions and curvature of the earth January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 7
Current Research Activities at TU Braunschweig Adaption of all system components needed Further development of aviationgate Extension of experimental GBAS/INS on-board equipment GBAS/INS navigation & monitor algorithms GPS / aviationgate dual-constellation Test environment for dual-constellation GBAS Research January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 8
Current Research Activities at TU Braunschweig January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 9
Altitude [m] Current Research Activities at TU Braunschweig 1800 Different GLS Approaches 1600 1400 1200 1000 800 600 400 200 ideal 3.5 ideal 4.5 ideal 7.5 ideal 11 ideal 14 real approach 3.5 real approach 14 0 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 Distance to threshold [m] x 10 4 DLR FL, 2011 January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 10
Current Research Activities at TU Braunschweig 3 approaches one Haneda approach two Kansai approaches approaches have been flown with continuous descent, but without online guidance January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 11
Conclusions and Outlook Braunschweig offers a unique research and test environment for GBAS approach procedure design and testing, especially for dual-constellation (GPS/Galileo) applications Curved and segmented approach procedures have been shown and validated with research and commercial aircraft Even with high requirements for GAST-D approaches these flexible approach procedures will be possible Continuous work will be done at Research Airport Braunschweig by University and DLR January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 12
Thank you for your attention! Contact Dr.-Ing. Thomas Feuerle Phone: +49 531 3919812 E-Mail: t.feuerle@tu-braunschweig.de January 2012 T. Feuerle Galileo Application Congress Prague 2012 Seite 13