Shop Floor Information & SOA
Transcript of Shop Floor Information & SOA
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Abstract
y This paper attempts to fuse business with IT in the dynamically changing
and risk adverse environment.
y The authors have successfully discussed the Issues of business and IT
alignment in a well-defined system, namely the shop-floor domain in
discrete production industry through the realization of SOA.
y The paper results in an ANSI/ISA 95 compliant model-driven methodology
for manufacturing operations management.
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Intelligent Manufacturing Information Systems
y The objective of vertical integration from high-level Enterprise Resource
Planning (ERP) to the machine level is still unrivalled.
y The existing solution lacked the flexibility and scalability which were not
sufficient for the requirements of todays dynamic production environments.
y With the advent of internet , leveraging the latest technologies to achieve
distributed information systems has become easier.
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This figure depicts the internal and external service providers at the
shop floor control level.
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Public Services: It includes machine vendors who offers services like online
maintenance, education support, planning and optimization of production and logistics
systems or other e-Industrial/tele-services.
Private Services: These are company specific and require higher coordination demands
and security.
ERPMM: This ERP handles Purchasing and Inventory.
ERP_PP: This ERP handles Production Planning
SFDC: salesforce.com is a vendor of Customer Relationship Management (CRM).
SCADA: supervisory control and data acquisition refers to a computer system
monitoring and controlling a process.
ATP: Availability to promise checks the of quantities of stock available.
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Manufacturing DomainInformationArchitecture
Proposals
y Enterprise Architecture (EA) research led to evolution of many architectures
like MDA (Model Driven Architecture) or GRAI Integrated Method. These
concepts introduced important ideas at regarding modeling, modularization
and abstraction levels, but lacked standardization.
y T
his project, a proposal derived from PERA (an Europian innovationnetwork) utilizes UML and focus on the higher abstraction levels making it
a very promising approach.
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y More emphasis on Service Oriented Analysis and Design ( SOAD) is given
in this project. It consists of three phases, namely identification,
specification and realization. This project uses the hybrid SOAD modeling
approach which suggests a combination of Object Oriented Analysis andDesign, BPM and EA techniques.
y Finally author has introduced this concept of a Model driven security
accreditation (MDSA), a combined top-down/bottom-up methodology, for
the shop floors in a user friendly way. It optimizes the trade-off between
flexible interconnectivity and network infrastructure complexity.
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Model Driven Service Architecture for the Shop Floor
y Service Oriented Analysis and Design (SOAD) has to bring
together the domain dimensions of Business, Architecture andApplication to a common modelling concept.
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Model Driven Service Architecture for the shopfloor
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y Initial modelling of a given shop floor system has to
be supported by focusing on functionality and
connectivity of the system as a whole.
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Shop Floor Tool-Box (SFTB).
y The SFTB is an ANSI/ISA 95 compliant tool box which
enables fast and standardized modelling of particular shop floor
scenarios
y The tool consists of an abstract service repository of basic and
complex services (what dimension), concrete service providers
(who dimension), binding mechanisms and data entities (with
dimension).
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Particular Shop Floor Model (PSFM)
y PSFM can be platform independent or platform specific
y PSFM considers the actual system specification only roughly
y The PSFM has to support long term platform, infrastructure
and service provider decisions through as-is and to-be
comparisons.
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Executable Shop Floor Model(ESFM)
y This is platform specific
yPSFM model has to interact with the ESFM concerning processdefinition.
y The ESFM serves at a tactical level for the (re)design of
service flow definitions which are semantically rich enough forexecutable code generation.
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MDSA Implementation
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Rapid Terminology Review
SHOP FLOOR
SSME - SERVICE SCIENCE, MANAGEMENT, AND ENGINEERING
SOA SERVICE ORIENTED ARCHITECTURE
MDA MODEL DRIVEN ARCHIT
ECT
URE SOAD SERVICE ORIENTED ANALYSIS AND DESIGN
MES MANUFACTURING EXECUTION SYSTEM
DISCRETE PRODUCTION
ANSI/ISA 95
VERTICAL INTEGRATION
BPM BUSINESS PROCESS MANAGEMENT SFTB SHOP FLOORTOOL BOX
PSFM PATICULAR SHOP FLOOR MODEL
ESFM EXECUTIVE SHOP FLOOR MODEL
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H
ierarchies and
Fun
ction
s
Functionality Allocation and Categorization
FunctionalHierarchy
Model
EquipmentHierarchy
Model
Implemented Functionality
ManufacturingOperations
ManagementModel
Production Operations Management
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Modeling Particular Scenarios
y Top Down and Bottom Up approach can be used
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Supply
The actual systemconfiguration plus potential
future functionality providersof the repository, part of the
constructs of the SFTB
Demand
The to-be system with itsprocesses and goals defined by
the business analysts
Meets
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Service View from the Software
IBM Rational Software Modeler
y Scheduling Provider service view (Implementation Independent)
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Conclusion1
The project concluded that SOA can be used successfully in shop floor
designs supported by intelligent manufacturing information systems.
SOA is flexible enough to realize decentralized control structures and to
integrate a broad range of service providers in a loosely coupled way. With the proposed MDSA methodology, business and IT alignment has been
possible.
Firstly due to elimination of the following gaps
Implementation layer, which can be a very heterogeneous one in discrete
manufacturing involving sophisticated web applications as well as manualprocessing tasks.
The second gap is the one to the business layer, where business analysts
define processes including goal and performance indicator setting.
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Conclusion2
1. The outcome of this project is an ANSI/ISA 95 compliant model driven
methodology for manufacturing operations management.
2. The methodology is flexible enough to embed given shop floor scenariosand components smoothly into the framework with the help of predefined
modeling constructs.
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THANK YOU
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