the story of the plcs standard. - pdt europe
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2018 © Eurostep Group
Why PLCS is a good fit for the MBE and the MBEE (Model Based Extended Enterprise) and Systems Lifecycle Management and where it is in use
The story of the PLCS standard.
Nigel Shaw
2018 © Eurostep Group
Introduction
• Nigel Shaw• Managing Director for Eurostep Limited since 1995
• Chair of ISO TC184 SC4 Editing committee for STEP (ISO 10303) first release
• Lead modeller for the NATO CALS Data Model
• Technical Lead for PLCS, Inc.
• And more…
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What is PLCS?
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Boeing’s Standards Radar Chart
PLCS
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Product Life Cycle Support (PLCS) ISO 10303-239
• A joint industry and government initiative to accelerate development of new standards for product support information
• An international project to produce an approved ISO standard within 4 years
• Commenced November 1999
• PLCS, Inc. closed down late 2004
• Standard published by ISO in 2005
• Edition 2 published in 2012
• PLCS will ensure support information is aligned to the evolving product definition over the entire life cycle
• PLCS extends ISO 10303 STEP - the STandard for Exchange of Product model data
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Before PLCS there was the AECMA standards and …
The STEP standard
Started 1984
First release of
12 parts late 1994
The NATO effort
to combine scopes
of S1000D, S2000M
and 1388/00-60
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FinnishDefence Forces
Product Life Cycle Support (PLCS)Membership – Nov 2002
Supported by: and
Each member
provided both
funding and
expert effort
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The Key Business ProblemHow to keep the information needed to operate and maintain a
product aligned with the changing product over its life cycle in a heterogeneous organization, process and system environment?
Tools
Test
Equipment
Support
Facilities
Consumables
Software
Transportation
Spares
Storage
Requirements
Training
Product Definition
Information
Maintenance
Schedules
Product
Feedback
2018 © Eurostep Group
Product Life Cycle Support (PLCS)Inputs to the Initiative
NATO
PilotProject #1
PLCS
ISO 10303
AP239
ISO
15288OMG
STEP
Mil Spec
CM2549
ATA
Effectivity
AP208
POSC/
Caesar
FMV
CTG2
AP214
ISO
TC184/SC4
WG3/T8
PWI
PDM
Schema
AP 233
PLIB
Def Stan
00-60
+ Others
NCDM
Mil Spec
1388
AECMA
1000D
2000M
AP203
Commentary:
This slide was created
early in the
development of PLCS.
The set of input
standards goes
beyond ILS
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• ISO 10303-239 edition 1 containing:
• Data Model
• Activity Model
• DEXlib containing:
• Example DEX
• Reference data
• Autogenerated XML schemas (per ISO 10303-28)
PLCS deliverables
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What has happened since 2005?
A potted history of PLCS
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AP239e3 activity
PLCS key developments
2005 2010 2015
ISO 10303-239: 2005
DEXlib
ISO 10303-239: 2012 ISO 10303-239: 2019
PLCS V 1.0Committee Specification 01
PLCSlibConcerns over file size,
xml schema
complexity, EXPRESS
as a language
Systems
EngineeringISO 10303-233: 2012
STEP future architecturePLCS
Concept Model
Uses SysML
to define mappings
Into DEXs
PLCS Technical Committee
ASD DEXsPLCS
Platform Specific
Model (PSM)
In SysML
+ XML Schema
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PLCS key developments plus some related standards
AP239e3 activity
2005 2010 2015
ISO 10303-239: 2005
DEXlib
ISO 10303-239: 2012 ISO 10303-239: 2019
PLCS V 1.0Committee Specification 01
PLCSlibConcerns over file size,
xml schema
complexity, EXPRESS
as a language
Systems
EngineeringISO 10303-233: 2012
STEP future architecturePLCS
Concept Model
Uses SysML
to define mappings
Into DEXs
PLCS Technical Committee
ASD DEXsPLCS
Platform Specific
Model (PSM)
In SysML
+ XML Schema
GEIA 0007 GEIA 0007b
ASD S5000FASD S3000L 1.0 ASD S3000L 1.11388
00-60 00-600
SX000i 1.0
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• Like DEXlib but driven from SysML models
• Starting point was translation into SysML from Express
• Some model revision to make implementation easier
• Initial harmonization with AP242 performed
• Support for DEX definition using SysML with computer sensible mappings described via parametric diagrams
• Tools ensure conformance to the underlying model
• More help and background information
• Snap shot of PLCSlib published as the OASIS PLCS TC Committee specification
• PLCS PSM
• Decided to create a single XML schema
• Contrast with one per DEX
• Works with current XML tools
• Much smaller file sizes
• Greater use of encapsulation
PLCSlib - see http://www.plcs.org/plcslib/plcslib/
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Why use PLCS now?
Business cases
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There are many potential business cases for using PLCS
• Standard information interfaces for contracting
• Maintaining an Assured Product and Support Information set
• Information integration/linking across disciplines/areas/tools
• Digital Thread (including Digital Twins)
• Collaboration Hub core model (Eurostep)
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• The problem scenario:
• Defence systems come with their own IT
• Data needed for operations is locked into that IT
• And may never be available for Defence organization use
• Each system supplier has their own approach
• Each supplier contract is unique and there is little or no commonality between suppliers
• The objective
• Suppliers use an information delivery mechanism defined on the basis of a standard
• All suppliers of equivalent systems are treated the same and subject to the same contracted requirements
• Data delivered from suppliers can be imported via a single mechanism
• No system specific IT is needed
• The same mechanisms can be used to supply data from the Defence Organization to its suppliers
Standard information interfaces for contracting
This is the approach being taken by Sweden’s FMV and France’s DGA, using PLCS DEXs to contract.
It has also been used between Norway’s NDLO and BAE Systems Hagglunds.
MINISTÈRE DE LA DÉFENSE
SIMMT - DTE Focal point Slide N°23 / 32PDT Europe 2014 - 15 October 2014
Généralisation de PENCIL & intégration dans SIM@T
LECLERC
VHM
CAESARVBCI
PPT
Commandes
CR IT, Commandes
Relevé de potentiels
Assistance technique
CR IT, Commandes
Relevé de potentiels
Assistance technique.dat
.docCR IT, Commandes
Relevé de potentiels
.xls
.doc
SACRAL
SOPRANO
Logiciels
pilotage
CHEOPS
CREDO
SILCENT
SAGEE
CONCERTODRHAT
STOCKEURS
SICS
CIMD
EMA
SIOC
CFT
EMAT
CHORUS MINEFINSPA COMMIT
NNO
Disponibilité
Consommation de
potentiels
Données
de référence
Ordres de
magasinage
Pièces
disponibles
Localisation
Optimisation des parcs
Référentiel des
personnels
Dispositif
organique
Finances
Patrimoine
PEN CILPEN CIL
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• This is exactly in line with the original problem statement:
How to keep the information needed to operate and maintain a product aligned with the changing product over its life cycle in a heterogeneous organization, process and system environment?
• Assured Product and Support Information (APSI) is a term defined in the PLCS Activity Model
Maintaining an Assured Product and Support Information set
Eurostep have an active project concerning Naval
Ships
BAE Systems have also implemented PLCS (by
autogeneration) for their Titanium system
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Information integration/linking across disciplines/areas/toolsRequire Make Support
Use
rS
yst
em
Su
pp
lier
Main
ten
ean
ce
Su
pp
lier
Relationships that
cross over between
data sets of systems
are shown as
By holding data within
the PLCS model we can
instantiate and use such
relationships for tracing
and change management
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• The digital thread refers to the communication framework that allows a connected data flow and integrated view of the asset’s data throughout its lifecycle across traditionally siloed functional perspectives.
• The digital twin refers to a digital model of a particular asset that includes design specifications and engineering models describing its geometry, materials, components and behavior. More important, it also includes the as-built and operational data unique to the specific physical asset that it represents. • For example, for an aircraft, the digital twin would be identified to the physical product unit
identifier which is referred to as the tail number. The data in the digital twin of an aircraft includes things like specific geometry extracted from aircraft 3D models, aerodynamic models, engineering changes cut in during the production cycle, material properties, inspection, operation and maintenance data, aerodynamic models, and any deviations from the original design specifications approved due to issues and work-arounds on the specific product unit.
What is the Digital Thread
Taken from: http://www.industryweek.com/systems-integration/demystifying-digital-thread-and-digital-twin-concepts
2018 © Eurostep Group
PLCS Objective – Digital thread through the life cycle
The Key Business Problem:
How to keep the information needed to operate and maintain a
product aligned with the changing product over its life cycle?
, manufacture
V
, simulate
Product Definition
Information
Tools
Test
Equipment
Support
Facilities
Consumables
Software
Transportation
Spares
Storage
Requirements
Training
Product Definition
Information
Maintenance
Schedules
Product
in Focus
Feedback
ISO 10303-239Product Definition
Information
Feedback
including modelsfor MB(S)E
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Needed for a Digital Thread
• Distinguish between designs and actuals (individuals).
• Different BOM views (such as as-designed, as-manufactured and as-maintained) of a product, including the actuals, and link/trace between them.
• Different breakdown views (such as physical and functional breakdowns) of a product and link between them and to different BOM views.
• Different properties and record their values over time or against different views.
• Requirements, their allocation, tracing, Verification and Validation.
• Recording of processes and other actions applied to the product (or done by the product).
• Handling subsidiary products such as tools and equipment and their use and properties.
• Associated documents and other information, such as CAD and simulation models, related to the product and any subsidiary products.
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Already included in the PLCS model
✓Distinguish between designs and actuals (individuals).
✓Different BOM views (such as as-designed, as-manufactured and as-maintained) of a product, including the actuals, and link/trace between them.
✓Different breakdown views (such as physical and functional breakdowns) of a product and link between them and to different BOM views.
✓Different properties and record their values over time or against different views.
✓Requirements, their allocation, tracing, Verification and Validation.
✓Recording of processes and other actions applied to the product (or done by the product).
✓Handling subsidiary products such as tools and equipment and their use and properties.
✓Associated documents and other information, such as CAD and simulation models, related to the product and any subsidiary products.
PLCS DEX CASE STUDY
Business Benefits and Promises applying a Model Based Engineering environment with data and information in focus
Mats E NilssonHead of Technical InformationBusiness Area Saab Kockums 2018-02-19
Internal & External Information Management
- an operational view
EXTENDED DIGITAL THREAD AND DIGITAL SHIP
- BASED ON PLCS, DEX AND S1000D
Common standard and supporting database through the product life cycle
CustomerSupplier
DEX:es:
• FaultDefinition
• FunctionalStructure
• ItemDefinition
• ItemOfSupplyIndividual
• MaintenanceReport
• OperationalData
• PhysicalStructure
• Requirement
• TaskMethod
• TechnicalPublication
Pilot test scenarios
S01-S04
PLM
Aveva ERM
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Where else is there a life cycle element?
Other domains
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Energy
Slides as presented PI Congress 2014
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Road and Rail in Sweden (Acando & Eurostep for Trafikverket)
Managing asset data for road and rail networks in Sweden
Not what PLCS was aimed at but still complex products with long life cycles and on-going maintenance
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KiraDigi “Lifecycle API for BIM” pilot project:
RES
T A
PI
RES
T A
PI
IFC
BIM models
Cloud deployment
Design, implementationAsset
Management
x
Owner
Goal
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Työn sisältö
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and then questions!
Conclusions
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The bigger picture
Internet
Of Things
Big
Data
Machine
Learning
Changing
Product
Model Based
Systems
Engineering
Digital
ThreadSimulation
History
Logistic
Support
Analysis
Use History
+ Feedback
Digital
Twins
2018 © Eurostep Group
The bigger picture
Internet
Of Things
Big
Data
Machine
Learning
Changing
Product
Model Based
Systems
Engineering
Digital
ThreadSimulation
History
Logistic
Support
Analysis
Use & Maintenance
History + Feedback
Digital
Twins
2018 © Eurostep Group
Conclusions
• The core data model within PLCS has stood the test of time and been successfully applied beyond its original domain
• The need for a standard like PLCS is becoming clearer as the push for the digital thread grows
• To maintain a Digital Thread through life will need a standards basis
• PLCS provides the life-cycle view that many existing standards lack
• And can be used with alongside those standards to add history capabilities
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