Universitá degli Studi di
MSc Thesis
L’Aquila
in Global Software Engineering (GSEEM)
Integrating Wireless Systems
into Process Industry and
Business Management
Federico Ciccozzi
Mälardalens Högskola, Västerås (Sweden)
Universitá degli Studi, L’Aquila (Italy)
ABB Corporate Research, Västerås (Sweden)
Examiner:
Ivica Crnkovic (MDH)
Supervisors:
Tiberiu Seceleanu (ABB CR)
Antonio Cicchetti (MDH)
Mälardalens Högskola, Västerås
10th September 2009
1
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Agenda
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•
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•
•
Thesis topic
Wired-Wireless network protocols
Application development process
Live demonstration
Conclusions
Västerås, 10th September 2009
2
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Thesis Topic (1/3)
• Service-Oriented Cross-layer infRAstructure for
Distributed smart Embedded deviceS
• Development of a design, execution and management
platform for next-generation industrial
automation systems.
• The thesis work provides a system which
integrates different control layers of
the same industrial process:
– Wired control
– Wireless control
– Remote control by the Enterprise Business
Management layer through the Internet
Västerås, 10th September 2009
3
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Thesis Topic (2/3)
SAP
Plant
Control
System
Västerås, 10th September 2009
4
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Thesis Topic (3/3)
SAP
Plant
Control
System
Västerås, 10th September 2009
5
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Networks
• Wired network protocols:
– Fieldbus Foundation
– PROFINET
– Ethernet Industrial Protocol (EtherNet/IP)
– DeviceNet
– CANopen
– MODBUS
Västerås, 10th September 2009
6
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
MODBUS
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•
•
•
•
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Messaging protocol
Client/Server communication between
devices placed among different networks/buses
De-facto standard for industrial wired networks
From serial communication lines
to TCP/IP networks
Messages’ format not dependable on the
physical interface
Simplicity, flexibility
Västerås, 10th September 2009
7
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Networks (2/2)
• Wireless network protocols:
– IEEE 802.11(1997/a/b/g/n)
– IEEE 802.15 (Bluetooth - ZigBee)
– IEEE 802.16 (WiMax)
– WirelessHART
Västerås, 10th September 2009
8
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
WirelessHART
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•
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•
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First open wireless communication standard designed for industrial
environments
Reliability: mesh networking, channel hopping, time-synchronized messaging
Security & Privacy: encryption, authentication, verification, key management
Effective power management: smart data publishing
Self-organizing ability through three steps: advertising, joining, scheduling
Västerås, 10th September 2009
9
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
XML-RPC Communication Protocol
• XML-encoded remote procedure calls over
HTTP transport mechanism
• Combination of three standards:
– Communication architecture (RPC)
– Vocabulary (XML)
– Transport mechanism (HTTP)
Västerås, 10th September 2009
10
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Communication Manager Application
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•
•
•
Development process
Requirements specification
Design specification
Implementation
Västerås, 10th September 2009
11
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Development Process
Västerås, 10th September 2009
12
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Requirements Specification
• Functional Requirements
• Extra-Functional Requirements
Västerås, 10th September 2009
13
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Functional Requirements
Västerås, 10th September 2009
14
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Extra-Functional Requirements
• Reliability of data in the shared memory:
replies to network configuration requests within 1 sec
• Shared memory race-conditions-free
access: mutex lock system granting single access to
the critical region
Västerås, 10th September 2009
15
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Design Specification
• Conceptual design
• Structural design
• Behavioral design
Västerås, 10th September 2009
16
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Conceptual Design
Västerås, 10th September 2009
17
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Structural Design
Västerås, 10th September 2009
18
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Behavioral Design (1/3)
Västerås, 10th September 2009
19
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Behavioral Design (2/3)
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Västerås, 10th September 2009
20
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Behavioral Design (3/3)
Västerås, 10th September 2009
21
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Implementation
• Unix (Linux Ubuntu 7.10)
• ANSI-C: programming language
• Xmlrpc-C: library for xml-rpc client/server
applications development in C
• Libmodbus: library for MODBUS master/slave
applications development in C
Västerås, 10th September 2009
22
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Live Demonstration Scenario
SAP
Plant
Control
System
Västerås, 10th September 2009
23
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Operator’s Perspective
Västerås, 10th September 2009
24
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Business Management Layer
Västerås, 10th September 2009
25
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Conclusions
• Challenges:
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Wired/Wireless protocols interaction
Reliabilty and security of shared common data
Actual plant loops modeling
Parallel control: local, remote (Internet)
• Future developments:
– Usage of the communication manager application in a real-life
demonstration
– Extensions for supporting other important fieldbuses:
PROFINET, PROFIBUS, Fieldbus Foundation
– Tool for user-mapping of shared data between wired/wireless
devices.
Västerås, 10th September 2009
26
Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
I would like to Thank…
• Tiberiu Seceleanu, Johan Åkerberg (ABB CR)
• Prof. Ivica Crnkovic, Antonio Cicchetti (MDH)
Västerås, 10th September 2009
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Integrating Wireless Systems into Process
Industry and Business Management
Universitá degli Studi di
L’Aquila
Thanks for the attention..
Questions?!
Västerås, 10th September 2009
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Integrating Wireless Systems into Process
Industry and Business Management