SysML models based on a domain specific manufacturing system language can be automatically translated into simulation models to analyze electronic assembly systems. The methodology involves defining metamodels and using model transformation from SysML to Arena simulation models. Tools like MagicDraw and ATL are used to define domain specific languages for bill of materials, process plans, resources in SysML and then transform these into Arena simulation models through defined mapping rules. This reduces the time and cost of building manufacturing simulations.

1. SysML to Discrete-event Simulation
to Analyze Electronic Assembly
Systems
Ola Batarseh
3/25/2012
Leon McGinnis
Keck Factory Lab
Georgia Tech
2nd International Workshop on
Model-driven Approaches for
Simulation Engineering
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2. Abstract
Model Driven Architecture paradigm from software engineering
SysML models
based on
Simulation Models
domain specific Automatically
manufacturing Translated
system
language Cost/time of manufacturing
simulation
Flexibility/adabtability in
managing manufacturing systems
Improve design and analysis of
manufacturing systems
Central repository for system
specifications shared by all
stakeholders
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3. Outline
• Methodology
• Tools Involved in the Technology
• Steps to Employ the Technology
• Electronic Assembly DSL
• Analysis DSL
• SysML Transformation into Arena
• Conclusions and Future Work
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4. Methodology
M3 (Meta-metamodel) MOF
Conform to Conform to
Metamodel A ATL Metamodel B
Electronic Assembly semantics in Mapping Rules Arena discrete-event
M2 (Metamodel)
a SysML profile simulation models
Execute
Conform to
SysML Arena
Target User Analysis
M1 (Model) Source User Model Transformation
Model
Model Transformation Concepts from SysML to Arena™
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5. Tools involved
SysML Meta-Model
SysML User (Accessed from EMF Registry)
Model
SysML XMI File Arena
XMI File
Arena Meta-Model ATL Script
ATL Script Access
(Built in Ecore) Database
Arena User
Model
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6. Steps of Transforming Process
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7. Electronic Assembly DSL in SysML
• Bill of Material: composed of manufacturing parts (as Blocks)
connected together using composition relationship that represents
the number of sub-components in a part.
▫ Block Definitions Diagrams in SysML (BDD)
FinalProduct Part BOMLink
Attributes: Attributes:
Attributes:
• maxWIP • quantity
• interarrivalTime
• mrpLeadTime
• maxWIP
• processPlan
• productionSchedule
• mrpLeadTime
• processPlan
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8. Electronic Assembly DSL in SysML cont.
• Final products could have monthly (18 months) or weekly (78
weeks) production schedules. Moreover, the user can include
the fiscal days per month in the model.
ProductionSchedule FiscaldaysPerMonth
MonthlyPS WeeklyPS
Attributes:
• Month01
• Month02
.
Attributes: Attributes: .
• Month01 • Week01 • Month18
• Month02 • Week02
. .
. .
• Month18 • Week78
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9. Electronic Assembly DSL in SysML cont.
• Example:
▫ Production Schedules MagicDraw
Customized
Menu for Production
Schedules
Monthly
Fiscal Days Production
Per Month Schedule
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10. Electronic Assembly DSL in SysML cont.
• Example:
▫ Bill of Material
MagicDraw
Final Product: has a process
plan and production schedule
or inter-arrival time
Parts: each has
a process plan
Customized
Menu for BOM
Composition relationship
for BOM links with
quantity as its attribute
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11. Electronic Assembly DSL in SysML cont.
• Process Plan: composed of manufacturing processes (as
CallBehaviorActions) connected by routings.
▫ Activity Diagrams in SysML (ACT)
OfflineProcess AssemblyProcess TroubleshootingProcess ReworkProcess
Attributes: Attributes: Attributes: Attributes:
• processTime • batchSize • processTime • batchSize
• processTime • processTime
• humanResources • humanResources
• dryTime • dryTime
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12. Electronic Assembly DSL in SysML cont.
InspectionProcess TestProcess MultiCycleProcess CustomProcess
Attributes: Attributes:
• batchSize • batchSize All possible attributes of:
• processTime Attributes:
• isAutomated • Offline
• humanResources • cycles
• yieldRate • Assembly
•yieldRate • failFreeCycles
• setupTime • Rework
• batchSize
• processTime • Troubleshoot
• yieldRate
• teardownTime • Inspection
• setupTime
• humanResources • Test
• processTime
• machineResources
• teardownTime
• humanResources
• machineResources
• dryTime
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13. Electronic Assembly DSL in SysML cont.
• Processes are connected using routings (as Object Flows)
and each have pins (one input pin and one pass output pin
and/or one fail output pin).
Routing
Pass / Fail Output Pins
Attributes: Decision Node
• batchSize
• routingTime
• routingResources
• routingProbability
For multiple possible routings.
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14. Electronic Assembly DSL in SysML cont.
• Example:
▫ Process Plan (Color Coded based on Process Type)
MagicDraw
Decision Nodes for
multiple routing
Routing
Processes connected using routings
Customized Menu for
Process Plan Disallow Copying

15. Electronic Assembly DSL in SysML cont.
• Resources: they could be a single or a group of human resources
or machines. They are defined as Blocks.
▫ Block Definitions Diagrams in SysML (BDD)
Human Resources Machines
Part
Attributes Single:
Attributes Single: • capacity
• capacity
• schedule Attributes Group: Attributes Group:
• groupElements • groupElements
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16. Electronic Assembly DSL in SysML cont.
• Example:
▫ Resources: (Color Coded based on type)
MagicDraw
Customized Menu
for Resources
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17. Analysis DSL in SysML for DES
• A separate Analysis Profile is provided to enter the simulation
parameters using one Block as follows:
MagicDraw
Simulation Parameters
Customized Menu
for Simulation
Parameters
Attributes Single:
• Number of Replications
• Warm up Period
•Replication Length
•Base Time Units
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18. Transformations
UML®/OMG SysML XML definitions for
definitions. ARENA®.
ARENA® metamodel
UML® metamodel (.ecore)
(.url)
2
1 Defined
EMF in Ecore
Registry Eclipse™
ATL Eclipse Model-to-Model
Transformation™ project ATL
Transformation Engine
ATL translation
3 (.atl)
Written
in ATL
ATL translation code based on the
manufacturing DSL. Disallow Copying

19. ARENA® metamodel
• Example: Entity
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20. Transformation Script
Matched Rule:
manufacturingParttoEntity
Called Rule:
toProcessPlan
module ATLTransformation ;
create OUT: Arena from IN: uml; Matched Rule:
manufacturingParttoEntity
rule manufacturingParttoEntity { Checks if Block is stereotyped
from as FinalProduct or Part to
dt: uml!Class (
translate it into an Entity in
(not dt.getAppliedStereotype
Arena
('ElectronicAssemblyProfile ::FinalProduct').oclIsUndefined())
or
(not dt.getAppliedStereotype
('ElectronicAssemblyProfile ::Part').oclIsUndefined ()))
to
out: Arena!"BasicProcess_x007C_Entity" (
SerialNumber <- dt.name.hashCode().toString(),
ModelLevelID <- '1',
X <- '0',
Y <- '0',
UserDescription <- '',
Name <- dt.name,
ReportStatistics <- 'Yes',
Other <- '0.0',
InitTranCost <- '0.0', Called Rule:
Waiting <- '0.0', toProcessPlan
Holding_x0020_Cost <- '0.0',
Checks the processes and
InitNVACost <- '0.0',
InitVACost <- '0.0', translates them into Arena as
Picture <- 'Picture.Report') appropiate
do {thisModule.toProcessPlan (dt); }}
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21. DSL Process and Impact
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22. Conclusions
• Ability to create SysML models using manufacturing
semantics.
• Provide a central repository of manufacturing
systems specifications to all stakeholders.
• Automatically translate SysML models into discrete-
event simulation in Arena which reduces the time of
building simulation models in order-of-magnitude.
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23. Future Opportunities with this Technology
• Extend this technology to different application domains.
• Possibility of translating SysML models into multiple
simulation tools simultaneously (i.e., Arena, AnyLogic, etc.)
and to different analysis models (i.e., discrete-event
simulation, optimization, etc. )
• Productize this approach to make it available for different
companies to analyze their manufacturing systems.
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24. THANK YOU!
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