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LTS (Life Tracking System)

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Slide 2

LTS

07 04 2010

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

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Slide 3

LTS

07 04 2010

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

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Slide 4

LTS

07 04 2010

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)

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Slide 5

LTS

Day month year

LTS Overview

Pre-LTSPre-LTS

Maintenance SystemMaintenance System

Life Engine

Life Engine

LTS SERVER

LTS SERVER

LTS-DB

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Slide 6

LTS

Day month year

LTS Overview

Pre-LTSPre-LTSLife

EngineLife

Engine

LTS SERVER

LTS SERVER

LTS-DB

Maintenance SystemMaintenance System

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Slide 7

Steady State Data Creator (SSDC)

LTS

Day month year

SSDCSSDC

PreLTSDB

Performance Model

Performance Model

Secflow

Model

Secflow

Model

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Slide 8

Load fileLoad file

Pre-LTSPre-LTSPre-LTS

LTS

Day month year

LTS-TDLTS-TD FilterFilter

Add Properties

Add Properties

Select

Select

•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

MissionMission

PreLTSDB

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Slide 9

LTS

Day month year

LTS Overview

LTS SERVER

LTS SERVER

Pre-LTSPre-LTSLife

EngineLife

Engine LTS-DB

MissionMission

Maintenance SystemMaintenance System

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Slide 10

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

Day month year

LTS-DB

LTS SERV

ER

LTS SERV

ER

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Slide 11

LTS

Day month year

LTS Overview

LTS SERVER

LTS SERVER

Pre-LTSPre-LTSLife

EngineLife

Engine

MissionMission

LTS-DB

Maintenance SystemMaintenance System

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Slide 12

Life Engine, the brain of LTS

LTS

Day month year

Computer ClusterComputer ClusterLELE

Case DB

MissionsMissionsLTS results

LTS results

•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)

LELE

LELE

LELE

LELE

LELE

LELELELE

LELE

LELE

LELE

LELE

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Slide 13

LTS

Day month year, Slide 13

JAS39

ELCF CyclesMission Data Maintenance-

system

LTS – RM12 Data Flow

True Life Consumption

Life Update

LTSLife Engine

Mission Data

Configuration

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Slide 14

Development Process

• Specification

• Use Case (Overview)

• Technical Specification (Detailed)

• System Safety Reports

• Implementation

• Software Architecture Document

• Verification

• Test Case

• Test Report

• Documentation

• User Manual

LTS

Day month year