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Title: Title in Arial Bold 40 pt. Author: System Administrator Last modified by: Yuanfang Cai Created Date: 3/7/2006 4:16:33 PM Document presentation format – PowerPoint PPT presentation

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Title: Title in Arial Bold 40 pt.


1
Architecture Research for the Dynamic Positioning
System Project SCR/Chemtech/Universities
2
Dynamic Positioning Systems
  • Dynamic Positioning (DP) systems were born in
    1960s as a result of the increasing demands of
    the rapidly expanding oil and gas offshore
    exploration industry
  • Definition Dynamic Positioning is a system which
    automatically controls a vessel to maintain her
    position and heading exclusively by means of
    active thrust
  • Presently, there are over 1000 DP-capable vessels
    where most of them are dedicated to the
    exploration or exploitation of oil and gas
    reserves
  • ,

3
Software Architecture Practitioners and
Researchers from SCR, Chemtech, COPPE, Drexel,
LÁquila, Pitt, UFF
We have built a global architecture research team
bringing together NFR expertise to perform
quantitative analysis the dynamic positioning
project architecture
4
Where we fit
SiemensCorporateResearch(SCR,Princeton)
Drexel and Pitt PA
LAquila Italy
5
SCR, Chemtech, University Collaboration
Architecture Expertise
Siemens Corporate Research Research
UFF
Architecture Process, Architecture Reviews, Test
Case Generation, Reliability Modeling
Architecture modeling and algorithm evaluation
for dyanmic positioning
Chemtech
Pitt
Architecture of Dynamic Positioning
System Integration and annotation with UML Models
Modeling Power generation algorithms to guarantee
uninterrupted operation of drilling ship
LAquila
Drexel
Analytical Models (DSMs) Modularity
Assessment Integration into UML Models
Modeling Dependability Assessment Integration
with UML Models
COPPE
Performance Analysis Model Integration with UML
Models
6
Architecture Research Problem
Chemtech Architect Creating UML Models
NFR Teams on several sites Use existing modeling
tools for quantitative analysis DSM,
Performance, Dependability, Architecture
Alternatives Evaluations.
Issues with Existing Approach -Dynamic
Positioning Project Architect is a scarce
expensive resource -NFR Teams require
architecture information to model NFR
requirements -How to maintain common architecture
view across sites as architecture evolves?
7
Suggested Architecture Research Solution Approach
How to provide seamless global architecture view
across multiple sites to enable seamless
collaboration without excessive overhead on the
architecture research teams?
Chemtech Architect Analyze Visualize by
Creating Annotated UML Models using Open-Source
tool
NFR Teams on several sites Understand Annotate
UML Models Convert UML Model Annotation into
existing modeling Tool
NFR Teams on several sites Integrate existing
tools with Open-Source UML Tool to enable
seamless integration of UML models with
quantitative assessment tools
8
Quantitative Architecture Analysis Models (Drexel)
  • Analytical Decision Models
  • Design Structure Matrix (DSM)
  • Augmented Constrain Network (ACN)
  • Architecture Analysis Enabled
  • Modularity Analysis can the parts be
    independently substituted with better versions
    without influencing the rest of the system?
  • Net Option Valuation
  • Independence Level Assessment
  • Stability Analysis How likely the architecture
    is going to change? Which part is most vulnerable
    and unstable?
  • Change Impact Analysis Given an envisioned
    change, which and how many parts of the system
    will be affected?
  • Task Parallelism Analysis How to assign task to
    minimize communication between remote teams and
    maximize task parallelism?
  • Automatic Model Transformation
  • From UML Component Diagram to ACN/DSM
  • From UML Class Diagram to ACN/DSM
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