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ATN 2001, London - 18 Sep 01 1 PETAL II and II Extension Maastricht Multi-stack Implementation Lessons Learnt Prepared by Gustaaf Janssens/Konrad Koebe.

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Presentation on theme: "ATN 2001, London - 18 Sep 01 1 PETAL II and II Extension Maastricht Multi-stack Implementation Lessons Learnt Prepared by Gustaaf Janssens/Konrad Koebe."— Presentation transcript:

1 ATN 2001, London - 18 Sep 01 1 PETAL II and II Extension Maastricht Multi-stack Implementation Lessons Learnt Prepared by Gustaaf Janssens/Konrad Koebe Maastricht UAC

2 ATN 2001, London - 18 Sep 01 2 TOPICS n What Do We Mean by Multi-Stack? n Why Multi-Stack ? n What Are Multi-Stack Design Considerations ? n MUAC Ground Architecture n MUAC Schedule Achievements n How Do We Test ? n What Are Our Lessons Learnt ? n Next Steps n Conclusions

3 ATN 2001, London - 18 Sep 01 3 What Do We Mean by Multi-Stack ? n Accommodating Existing Specifications for AGDL uNEAN Extension (Prototype VDL4) uFANS-1/A uATN SARPs n Aim uCommunicate With Any Avionics Equipment Using One Of The Specifications

4 ATN 2001, London - 18 Sep 01 4 Why Multi-Stack ? n PETAL-II Project Needs for MUAC uOperations - Hide AGDL Technology for User F Operational Requirements Validation Independent From AGDL Technology uQuick Implementation F Project Has to Compete With Daily Life Activities at an Operational Centre uTake Advantage of Existing Operational Avionics Equipment uEncourage ATN SARPs based Air and Ground Implementations

5 ATN 2001, London - 18 Sep 01 5 Design Constraints (1) n Fit In MUAC Existing Ground Structure uHMI, FDPS, Gateways F Add Functionality in HMI and FDPS, Add AGDL Gateway uHMI F Add to Normal Controller Presentation and Interface uFDPS F Based on ATN SARPs Ground End User Applications Definitions u AGDL Gateway F Single Access Point for FDPS F Access Points for Underlying AGDL Technologies

6 ATN 2001, London - 18 Sep 01 6 Design Constraints (2) n Evolutionary Development uNext Step Building on Results of Predecessor

7 ATN 2001, London - 18 Sep 01 7 Maastricht Multi-stack GROUND End System (1) Controller HMI Controller HMI Controller HMI Controller HMI Flight Data Processing System ATM Services NEAN GWY NEAN 9705 BER P2GW (PETAL 2 GATEWAY) FANS-1/A GWY SITA ProATN ES 9705 PER VDL2-ATN ProATN ROUTER

8 ATN 2001, London - 18 Sep 01 8 Maastricht Multi-stack GROUND End System (2) Controller HMI Controller HMI Controller HMI Controller HMI Flight Data Processing System - Flight plan / address association - ATN SARPs (ICAO 9705) CM, ADS, CPDLC - All datalink service logic and dialogue control P2FEP NFEP - Aircraft address/state - ASE emulation CM, CPDLC, ADS - Conv. to NEAN specs. FAFEP - Aircraft address/state - ASE emulation CM, CPDLC, ADS - Conv. To FANS specs ALLA- P2PI - Aircraft address/state - BER-PER Conversion. ProATN - ASEs: CM, CPDLC, ADS - ATN Router FANS-1/A Gateway NEAN Server 9705 BER 9705 PER P2GW

9 ATN 2001, London - 18 Sep 01 9 Design Constraints (3) n P2GW uHolds and Manages Addressing Data uBuffers FDPS from Unexpected communications uMADAP Msg= { Msg ID, Infra ID+24bits+FID+Reg.Mark+9705-BER-Msg} uHides Communication and Network Specifics from FDPS

10 ATN 2001, London - 18 Sep Design Constraints (4) n AGDL Applications implemented u CM, ADS, CPDLC n FDPS AGDL Services Using these Applications uCM: DLIC Acceptance uADS: ADS demand (FLIPCY), ADS periodic (CAP) uCPDLC: (ACL, ACM, AMC) n FDPS Functionality Used for AGDL u Manages Flight plan Operational Status F DLIC acceptance and ADS, CPDLC requests F Terminates CPDLC, ADS

11 ATN 2001, London - 18 Sep Design Constraints (5) uController Authorisation F Only Controlling Sector handles CPDLC  FDP Controls Sequence Extraction  Next internal or external sector (NDA) identities  Controls Automatic Flight Plan Action F CMContact at OLDI ABI event  CPDLC (NDA) at OLDI ACT event  Extracts Information for Controller HMI  radar picture and tabular display uProvides Authorised Input Sequences and Guidance on Controller HMI

12 ATN 2001, London - 18 Sep 01 12

13 ATN 2001, London - 18 Sep MUAC Schedule Achievements (1) n NEAN IN 4/98 n FANS 1/A 2/99 n P2GW - BAC1/11 using ATIF/SATCOM, P-II message set. 5/00 n MC-P2GW-BAC1/11 Flight using ATIF/SATCOM, P-IIe message set. 9/00 n Application Testing: FDPS-Avionics11/00 n FDPS, P2GW Ready 3/01

14 ATN 2001, London - 18 Sep MUAC Schedule Achievements (2) n FANS1/A ONLINE: P-IIe Message set 4/01 n NEAN OUT 4/01 n CERTification Testing Support 5/01 n Non Revenue Flights 6/01 n MUAC-RUAC Shadow Flight 7/01 n Revenue Flight 8/01

15 ATN 2001, London - 18 Sep MUAC Technical Achievements (1) n ICAO 9705 Compliant FDPS Implementation n Usage of ATN, FANS1/A and Prototype VDL4 n First Fully Certified ATN avionics n CPDLC Flights May1998-June2001 = 8455 (FANS/NEAN) n Test Infrastructure n Test Methodology

16 ATN 2001, London - 18 Sep How Do We Test (1) ? n Test Approach uLocal Tests F HMI, FDPS, P2GW uEnd-to-End Application Tests: F FDPS- Other ATC Centre - Avionics grounded avionics airborne avionics F Operational Observation n Overview of Our Test Configurations

17 ATN 2001, London - 18 Sep P2GW EMUL FAME AGDG-FANS FDPS EMUL AFAME PSF AGDG ATN NON REV

18 ATN 2001, London - 18 Sep PIIe Operational Observation VDL M2 B767 P2GW MAASTRICHT UAC Control Centre PROATN R PROATN End System FDPS LAN CPDLC Services VIA ATN/VDL Mode 2

19 ATN 2001, London - 18 Sep What Are Our Lessons Learnt (1) ? n Step by Step Implementation uNEAN F Validation of Technical Concept and Architecture uFANS 1/A F Validation of ‘Multi Stack’ Concept HMI, FDPS Independent From AGDL Technology uATN SARPs F Validation of SARPs Compliant Implementation F Additional Operational Messages and Stack Functions uLessons F More Testing Effort due to Regression Testing ?

20 ATN 2001, London - 18 Sep What Are Our Lessons Learnt (2) ? n ATN SARPs Implementation Tests u Early Feedback = Early Application Error Detection and Correction F BAC1-11 Test Flights F ATIF-ground Testing F End-to-End Application testing uNo Application Errors Detected During CERT, Non- Revenue and Revenue Flights

21 ATN 2001, London - 18 Sep What Are Our Lessons Learnt (3) ? n Local Tests as Much as Possible u Avionics Emulators uTest Automation u Protocol Test facilities n External Testing is Expensive uTest Setup uTest Execution uTime Consuming n Good Test Objectives and Strategies

22 ATN 2001, London - 18 Sep What Are Our Lessons Learnt (4) ? n Future Requirements for Test Tools and Strategies uReference Test Tools Required F Available For All Implementers F Common Development F A lot of Tools exist. Usable to further develop ? uReference Test Objectives and Strategies n Separate Test Network Required uConnect Test Systems uIntra Centre Test uAvionics Tests

23 ATN 2001, London - 18 Sep Next Steps (1) n Complete PETAL-IIe uSystem Safety Assessment uDocument Lessons Learned uConsolidate Documentation uEvaluate Test Automation (GEODE) n New Project (P2L = PETAL To LINK2000+) (in approval and initiation phase)

24 ATN 2001, London - 18 Sep Next Steps (2) n P2L Objectives uMaintain a State of the Art Implementation of the Existing AGDL Implementation. uEnsure Safety of all Operational Systems uIncrease the Number of aircraft applying AGDL Services (FANS, ATN) uSupport the LINK Project F Enabler for aircraft to equip. F Enabler for other Centres F Enabler for COMS F Enabler for Test and Validation tools - Common Development and Support.

25 ATN 2001, London - 18 Sep CONCLUSION n MULTI STACK CONCEPT WORKS ! n SERVE MORE AIRCRAFT n CONNECT TO NEIGHBOUR ATC CENTRES THANK YOU PARTNERS FOR THE COOPERATION !


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