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LTS (Life Tracking System) The information contained in this document is Volvo Aero Corporation LTS (Life Tracking System) The information contained in this document is Volvo Aero Corporation Proprietary Information and it shall not – either in its original or in any modified form, in whole or in part – be reproduced, disclosed to a third party, or used for any purpose other than that for which it is supplied, without the written consent of Volvo Aero Corporation. Any infringement of these conditions will be liable to legal action.

What is LTS? • LTS is a software, which calculates life consumptions for the What is LTS? • LTS is a software, which calculates life consumptions for the life limited parts based on the registered load data files and valid life models • LTS uses information from the performance and secflow models when the load data is not measured 07 04 2010 Slide 2 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

Necessary conditions for LTS • • Access to registered load data files Access to Necessary conditions for LTS • • Access to registered load data files Access to data from performance and secflow models Access to valid life analysis models Access to historical and present engine configuration 07 04 2010 Slide 3 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

Life Analysis System (LAS) • Life Analysis System (LAS) is used to develop and Life Analysis System (LAS) • Life Analysis System (LAS) is used to develop and verify life analysis models in the Life Management program • LTS and LAS use the same life calculation methods, Life Engine (LE) 07 04 2010 Slide 4 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

LTS Overview Maintenance System Pre-LTS Day month year Slide 5 Department, Name Volvo Aero LTS Overview Maintenance System Pre-LTS Day month year Slide 5 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS SERVER LTS-DB LTS Life Engine

LTS Overview Maintenance System Pre-LTS Day month year Slide 6 Department, Name Volvo Aero LTS Overview Maintenance System Pre-LTS Day month year Slide 6 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS SERVER LTS-DB LTS Life Engine

Steady State Data Creator (SSDC) SSDC Secflo w Model Performance Model Pre. LTSDB Day Steady State Data Creator (SSDC) SSDC Secflo w Model Performance Model Pre. LTSDB Day month year Slide 7 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

Pre-LTS Load file LTS -TD Filter Select Add Proper ties Mission Pre. LTSDB • Pre-LTS Load file LTS -TD Filter Select Add Proper ties Mission Pre. LTSDB • LTS-TD: Check input signals and add Thrust Droop parameters • Filter: Filter mission according to settings • Select: Select engine steady state conditions from database • Add Properties: Add mission meta data Day month year Slide 8 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

LTS Overview Maintenance System Mission Pre-LTS Day month year Slide 9 Department, Name Volvo LTS Overview Maintenance System Mission Pre-LTS Day month year Slide 9 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS SERVER LTS-DB LTS Life Engine

LTS Server, the spider in the net • • • Register new load data LTS Server, the spider in the net • • • Register new load data files from Pre-LTS Collect and store data from Maintenance System Connect load data files with part individuals Send load data files for life analysis to LE Collect and store life consumption results Send life consumption corrections to Maintenance System LTS SERV ER LTS-DB Day month year Slide 10 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

LTS Overview Maintenance System Pre-LTS Day month year Slide 11 Department, Name Volvo Aero LTS Overview Maintenance System Pre-LTS Day month year Slide 11 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS SERVER LTS-DB LTS Mission Life Engine

Life Engine, the brain of LTS Missions Computer Cluster L LE LE E L Life Engine, the brain of LTS Missions Computer Cluster L LE LE E L LE LE LE LTS results LE Case DB • Fully automated analysis models • The Volvo Aero Best Practice of doing life analyses is implemented • Two types of models • Very accurate and time consuming (days) • Accurate and fast (minutes) Day month year Slide 12 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

LTS – RM 12 Data Flow Mission Data ELCF Cycles Maintenancesystem Configuration Life Update LTS – RM 12 Data Flow Mission Data ELCF Cycles Maintenancesystem Configuration Life Update LTS Life Engine True Life Consumption Mission Data Day month year, Slide 13 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS

Development Process • Specification • Use Case (Overview) • Technical Specification (Detailed) • System Development Process • Specification • Use Case (Overview) • Technical Specification (Detailed) • System Safety Reports • Implementation • Software Architecture Document • Verification • Test Case • Test Report • Documentation • User Manual Day month year Slide 14 Department, Name Volvo Aero Corporation Proprietary Information. This information is subject to restrictions on first page. 10110 Utg. 4 10110 Utg. 11 LTS