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Adopting a Component-Based Software Architecture for an Industrial Control Systems – A Case Study
Mälardalen University, Department of Computer Science and Electronics.ORCID iD: 0000-0002-0424-7639
Lund University, Sweden.
2005 (English)In: Component-Based Software Development for Embedded Systems: An Overview of Current Research Trends, Springer Berlin/Heidelberg, 2005, 232-248 p.Chapter in book (Other academic)
Abstract [en]

This chapter presents a case study from a global company developing a new generation of programmable controllers to replace several existing products. The system needs to incorporate support for a large number of I/O systems, network types, and communication protocols. To leverage its global development resources and the competency of different development centers, the company decided to adopt a component-based software architecture that allows I/O and communication functions to be realized by independently developed components. The architecture incorporates a subset of a standard component model. The process of redesigning the software architecture is presented, along with the experiences made during and after the project. An analysis of these experiences shows that the component-based architecture effectively supports distributed development and that the effort required for implementing certain functionality has been substantially reduced while, at the same time, the system's performance and other run-time quality attributes have been kept on a satisfactory level.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2005. 232-248 p.
Series
Lecture Notes in Computer Science, ISSN 0302-9743 ; 3778
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-4033DOI: 10.1007/11591962_12ISI: 000234563300012Scopus ID: 2-s2.0-34548794745ISBN: 9783540306443 (print)OAI: oai:DiVA.org:mdh-4033DiVA: diva2:120570
Available from: 2006-11-20 Created: 2006-11-20 Last updated: 2016-01-13Bibliographically approved
In thesis
1. An Evolutionary Approach to Software Components in Embedded Real-Time Systems
Open this publication in new window or tab >>An Evolutionary Approach to Software Components in Embedded Real-Time Systems
2006 (English)Doctoral thesis, comprehensive summary (Other scientific)
Abstract [en]

Component-based software engineering denotes the practice of building software from pre-existing smaller products, in particular when this is done using standardized software component models. The main expected benefits of this practice over traditional software engineering approaches are increased productivity and timeliness of development projects. While the use of software component models has become common for desktop and server-side software, this is not the case in the domain of embedded real-time systems, presumably due to the special requirements such systems have to meet with respect to predictable timing and limited use of resources. Much research exists that aims to define new component models for this domain, typically focusing on source code components, static system configuration, and relatively narrow application domains.

This dissertation explores the alternative approach of using components based on binary code, allowing dynamic configuration, and targeting a broader domain. A study of a general purpose component model shows that the model is compatible with real-time requirements, although putting some restrictions on its use may be necessary to ensure predictability. A case study demonstrates how the model has been used with advantage in an industrial control system. The dissertation furthermore proposes an approach for extending the component model with run-time services for embedded real-time systems. It presents a prototype tool for supporting such services, along with two empirical studies to evaluate the approach and the tool as well as the component model itself. One study shows that both the component model and the services provided by the tool result in very modest and predictable run-time overheads. The other study, evaluating the effects on productivity and quality of using the approach in a software development project, did not produce quantitative evidence, but concludes that the approach is promising and identifies possible adjustments to it and opportunities for further studies.

Place, publisher, year, edition, pages
Västerås: Institutionen för Datavetenskap och Elektronik, 2006. 207 p.
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 35
Keyword
Software Components, Embedded Real-Time Systems
National Category
Software Engineering
Research subject
Datavetenskap
Identifiers
urn:nbn:se:mdh:diva-166 (URN)91-85485-29-2 (ISBN)
Public defence
2006-12-18, Zeta, T, Högskoleplan 1, Västerås, 13:00
Opponent
Supervisors
Available from: 2006-11-20 Created: 2006-11-20 Last updated: 2013-12-03

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CiteExportLink to record
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Citation style
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