Wolfgang A Halang's Books

Real-time Systems: Implementation Of Industrial Computerized Process Automation

By: Wolfgang A Halang,Krzysztof M Sacha

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Real-time Systems: Implementation Of Industrial Computerized Process Automation

By: Wolfgang A Halang,Krzysztof M Sacha

This book represents the first comprehensive text in English on real-time and embedded computing systems. It is addressed to engineering students of universities and polytechnics as well as to practitioners and provides the knowledge required for the implementation of industrial computerized process control and manufacturing automation systems. The book avoids mathematical treatment and supports the relevance of the concepts introduced by practical examples and case studies. Special emphasis is placed on a sound conceptual basis and on methodologies and tools for the development of high quality control software, since software dependability has been identified as the major problem area of computerized process automation.

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Page Count

379

Publisher

World Scientific

Published Date

ISBN 10

9814518034

ISBN 13

9789814518031

A Safety Licensable Computing Architecture

By: Wolfgang A. Halang,S. K. Jung,B. J. Kramer

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A Safety Licensable Computing Architecture

By: Wolfgang A. Halang,S. K. Jung,B. J. Kramer

This book describes the design of a low complexity, fault-detecting computer architecture for utilisation in programmable logic controllers (PLCs) for process control purposes. The cyclic operating mode of PLCs and a specification level graphical programming paradigm based on interconnecting application-oriented standard software function modules are architecturally supported. Thus, by design, there is no semantic gap between the specification, programming and machine execution levels enabling the safety licensing of application software by diverse back translation, an extremely simple but rigorous method.

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Page Count

280

Publisher

World Scientific

Published Date

ISBN 10

9810216289

ISBN 13

9789810216283

Discovery and Selection of Semantic Web Services

By: Xia Wang,Wolfgang A. Halang

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Discovery and Selection of Semantic Web Services

By: Xia Wang,Wolfgang A. Halang

For advanced web search engines to be able not only to search for semantically related information dispersed over different web pages, but also for semantic services providing certain functionalities, discovering semantic services is the key issue. Addressing four problems of current solution, this book presents the following contributions. A novel service model independent of semantic service description models is proposed, which clearly defines all elements necessary for service discovery and selection. It takes service selection as its gist and improves efficiency. Corresponding selection algorithms and their implementation as components of the extended Semantically Enabled Service-oriented Architecture in the Web Service Modeling Environment are detailed. Many applications of semantic web services, e.g. discovery, composition and mediation, can benefit from a general approach for building application ontologies. With application ontologies thus built, services are discovered in the same way as with single domain ontologies, and the mediation problem between service ontologies is solved. Further, an ontology-based approach to improve service discovery is proposed and validated. Within the service model, a service selection approach oriented at quality criteria is proposed. It normalises diverse qualities of a service in their respective metrics and employs a service selection algorithm based on soundness.

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Page Count

154

Publisher

Springer

Published Date

ISBN 10

3642339387

ISBN 13

9783642339387

Phonological Representation and Phonetic Phasing

Affricates and Laryngeals

By: Wolfgang Kehrein

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Phonological Representation and Phonetic Phasing

Affricates and Laryngeals

By: Wolfgang Kehrein

This monograph contains two detailed case studies dealing with the phonetics and phonology of affricates and laryngeals. Based on a survey of 281 languages it states a number of universal generalizations which go counter to common assumptions in the phonological and phonetic literature. Most importantly, (1) a phonological concept >affricate Based on the empirical findings the book addresses a number of theoretical issues as, e.g., the interaction of phonetics and phonology, or questions of phonological representation. It is claimed that phonetics fulfills important functions with regard to phonology: 'affrication' and laryngeal phasings (e.g. pre- vs. postaspiration) are presented as purely phonetic strategies which serve to make phonological specifications acoustically more salient. Finally, two revisions to current models of feature theory are proposed, both of which lead to a leaner structure of phonological segments: first, stricture contours are eliminated from phonological representation; second, the 'Laryngeal Node' is attached directly to onsets, nuclei, and codas. Die Monographie enthält zwei Einzelstudien zur Phonologie und Phonetik von Affrikaten und Laryngalen aus insgesamt 281 Sprachen. Die empirischen Ergebnisse widerlegen eine Reihe gängiger Lehrmeinungen, z.B.: (1) Affrikaten sind phonologisch ausschließlich Plosive, (2) Laryngale sind Eigenschaften prosodischer Domänen (Anlaut, Nukleus, Koda), (3) Phonetische Strategien (Affrikatisierung, laryngale Phasierung) dienen der akustischen Verstärkung phonologischer Kontraste. Auf theoretischer Ebene werden Fragen der phonologischen Repräsentation (Merkmalskonturen, prososodische Lizensierung etc.) sowie der Schnittstelle von Phonologie und Phonetik diskutiert.

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Page Count

244

Publisher

Walter de Gruyter

Published Date

ISBN 10

3110911639

ISBN 13

9783110911633

Distributed Embedded Control Systems

Improving Dependability with Coherent Design

By: Matjaž Colnaric,Domen Verber

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Distributed Embedded Control Systems

Improving Dependability with Coherent Design

By: Matjaž Colnaric,Domen Verber

This fascinating new work comes complete with more than 100 illustrations and a detailed practical prototype. It explores the domains encountered when designing a distributed embedded computer control system as an integrated whole. Basic issues about real-time systems and their properties, especially safety, are examined first. Then, system and hardware architectures are dealt with, along with programming issues, embodying desired properties, basic language subsets, object orientation and language support for hardware and software specifications.

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Page Count

260

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1848000529

ISBN 13

9781848000520

A Safety Licensable Computing Architecture

By: Wolfgang A Halang,Bernd J Kramer,Soon-key Jung,Johan J Scheepstra

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A Safety Licensable Computing Architecture

By: Wolfgang A Halang,Bernd J Kramer,Soon-key Jung,Johan J Scheepstra

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Page Count

280

Publisher

World Scientific

Published Date

ISBN 10

9814502472

ISBN 13

9789814502474

Real-time Systems' Quality of Service

Introducing Quality of Service Considerations in the Life Cycle of Real-time Systems

By: Roman Gumzej

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Real-time Systems' Quality of Service

Introducing Quality of Service Considerations in the Life Cycle of Real-time Systems

By: Roman Gumzej

Real-time Systems’ Quality of Service" examines the attainability of efficiency, economy, and ease of use, which make up the quality of service of technologically advanced products. "Real-time Systems’ Quality of Service" reviews the state of the art in quality of service evaluation for real-time systems. It gives a classification of the relevant parameters for quality of service evaluation and also determines the critical points in the design and development process of real-time systems – where performance criteria should be applied or checked. Then, software development and certification standards are assessed, and finally the authors elaborate on how the suggested criteria should be applied to the design, development, and certification process of real-time systems. "Real-time Systems’ Quality of Service" will guide researchers and postgraduates in embedded and real-time systems through the process of introducing quality of service parameters into real-time systems.

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Page Count

145

Publisher

Springer Science & Business Media

Published Date

ISBN 10

1848828489

ISBN 13

9781848828483

Contributions to Ubiquitous Computing

By: Bernd Krämer

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Contributions to Ubiquitous Computing

By: Bernd Krämer

This book takes a holistic view on mobile and distributed computing systems. It presents innovative solutions at all system layers. These range from hardware over vertical and horizontal infrastructure services and novel middleware techniques to various types of application software. Some chapters address core properties of ubiquitous applications including mobility, self-healing and self-organization of both technical and social-technical systems.

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Page Count

350

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3540449094

ISBN 13

9783540449096

Real-time Systems

Implementation of Industrial Computerised Process Automation

By: Wolfgang A. Halang,Krzysztof M. Sacha

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Real-time Systems

Implementation of Industrial Computerised Process Automation

By: Wolfgang A. Halang,Krzysztof M. Sacha

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Page Count

388

Publisher

World Scientific

Published Date

ISBN 10

9810210647

ISBN 13

9789810210649

Book's by Wolfgang A Halang

Real-time Systems: Implementation Of Industrial Computerized Process Automation

Real-time Systems: Implementation Of Industrial Computerized Process Automation

A Safety Licensable Computing Architecture

A Safety Licensable Computing Architecture

Discovery and Selection of Semantic Web Services

Discovery and Selection of Semantic Web Services

Phonological Representation and Phonetic Phasing

Phonological Representation and Phonetic Phasing

Distributed Embedded Control Systems

Distributed Embedded Control Systems

A Safety Licensable Computing Architecture

A Safety Licensable Computing Architecture

Real-time Systems' Quality of Service

Real-time Systems' Quality of Service

Contributions to Ubiquitous Computing

Contributions to Ubiquitous Computing

Real-time Systems

Real-time Systems

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