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Books > Professional & Technical > Mechanical engineering & materials > Production engineering > Industrial quality control
The field of "On-Line Fault Detection and Supervision in the Chemical Process Industries" is relatively young. Major activity in this area has taken place only in the last fifteen years. The goals of the first workshop in Delaware were to discuss various methodologies necessary for solving industrial problems in fault diagnosis/supervision and to encourage interactions between academia and industry. This workshop also focused on development and evaluation of methodologies for on-line fault detection and supervision in the chemical process industries. It addressed theory, application, validation, performance and evaluation of methodologies such as parameter estimation, observers, parity equations, signal analysis methods, classification, rule-based systems with probabilistic approaches, fuzzy logic and neural networks. There are several trends that make the topic of this workshop especially relevant in today's world. The first is the tremendous advances made in automation and information technology that can potentially bring in an ever-increasing amount of information on to computer screens in the operating room of a plant. Avoiding problems of information overload and converting plant data to "on-line useful knowledge" is a key challenge. In some respects, one can draw parallels here to biological evolution where, over billions of years, human beings have evolved "mental models" to interpret the huge amount of information received through their senses. In the absence of the time advantage that evolution has had, we have to rely on methodologies such as those presented in this workshop to provide assistance to operators and engineers in interpreting plant information. A second trend that makes this field relevant in today's world is the increasing emphasis on environment and safety. Community activism and accidents such as those in Bhopal, India have caused media spotlights to be turned on the smallest of toxic releases or loss of life due to chemical accidents. The negative publicity generated by such events as well as the need to maintain the image of an environmentally conscious company make industry more sensitive to the issues of early detection of faults. The third trend that makes this field very relevant is that of
the globalization of the world economy. Increasing globalization of
the chemical process industry puts pressure on economic
competitiveness and higher productivity. This implies reduced
down-time due to faults, quick and flexible response of production
to supply and demand changes, increasing reliance on automation and
reduced personnel.
This volume contains the proceedings of the IFAC Workshop on "Singular Solutions and Perturbations in Control Systems "(SSPCS-97) held at Pereslavl-Zalessky, Russia on 7-11 July 1997. The Workshop was sponsored by IFAC and organized jointly by the Russian National Committee of Automatic Control, the Program Systems Institute and the Institute for Information Transmission Problems at the Russian Academy of Sciences, and the University of Pereslavl. The objective of this workshop was to provide an international forum for the discussion of recent developments and advances in the fields of singular control problems, impulsive control, singular perturbations technique in control systems, computational problems and others. The Workshop was devoted both to theoretical and applicative aspects of the so-called "nonclassical" problems in the area of control theory, such as problems with singular perturbations, impulse and generalized controls. These problems arise in various areas of applications, including mechanics, information processing, medicine and economy. At the same time they stimulate the development of new mathematical tools in the classical theory of control and differential equations. All papers included in this volume are given in the form presented by the authors.
It is increasingly accepted that future dependable, real-time
digital computer control systems will have distributed
architectures. Advantages of distributed computer control systems
include the possibility of composing large systems out of
pre-tested components with minimal integration effort, their
well-defined fault containment properties and their capacity to
make effective use of mass-produced silicon chips. The IFAC Workshop series on Distributed Computer Control Systems
(DCCS) focuses on design requirements and fundamental principles
encountered in such systems and highlights and traces the growth of
key concepts at their various stages of development. Theoretical
and application-oriented viewpoints receive equal emphasis. These
Workshops also provide an excellent forum for the exchange of
information on recent technological advances and practices in the
distributed computer control field. The 1997 DCCS Workshop was notable for the attention given to
practical implementations of ideas that have been under discussion
for decades and maintained the high technical standard set by
previous Workshops in the series - the policy of concentrating on a
specific topic, inviting a number of key authors and of accepting
only a limited number of papers paid dividends.
Control often follows predictions: predictive control has been highly successful in producing robust and practical solutions in many real-life, real-time applications. Adaptive prediction covers a variety of ways of adding 'intelligence' to predictive control techniques. Many different groups, with widely varying disciplinary backgrounds and approaches, are tackling the same problem from different angles; these groups are sometimes unaware of alternative approaches from other disciplines. This book attempts to give a unified and comprehensive coverage of the principles and methods that these groups have developed. It avoids basing its descriptions on very complex mathematical formulations but still gives a rigorous exposure to the subject, and illustrates the theory with many practical examples. It is chiefly aimed at students, researchers and practitioners, but will also be accessible to the non-specialist.
Nach 25 Jahren erscheint das Buch in der 10. uberarbeiteten Auflage mit neuem Gesicht, ohne seine bisherige Konzeption verloren zu haben. Es ist weiterhin ein Buch fur Einsteiger in das interessante Gebiet der Werkstoff- technik und gibt - bei sparsamem Gebrauch von Fakten - Erklarungen fur die Eigenschaftsun erschiede und -Veranderungen der Materie. Das geschieht durch vergleichende Betrachtung der Strukturen als methodisches Prinzip. Die ersten Seiten der bisherigen Auflage sind nun zu einem eigenen Kapitel zusammengefasst worden. Es wirkt durch ein Aufzeigen der Bedeutung und Verflechtung der Werkstofftechnik motivierend. Gleichzeitig werden wichtige Lehr-und Lernprinzipien vorgestellt. Die folgende Gliederung entspricht der 9. Auflage. Den Verbundwerkstoffen wurde ein eigenes Kapitel gewidmet. Die zunehmende Bedeutung dieser Werk- stoffgruppe fur Konstruktion und Fertigungstechnik machte diese Erweite- rung notwendig. Die gesamte Werkstoffkunde liegt jetzt in zweispaltiger Anordnung des Textes vor und bietet damit ein durchgangiges Vermittlungskonzept Bei der UEberarbeitung wurden wesentliche Texte z. T. gestrafft, dem Stand der Technik und Normung angepasst und durch zusatzliche Bilder und Beispiele erganzt. Nach dem Inhaltsverzeichnis sind Hinweise fur den Benutzer sowie ein Verzeichnis von Formelzeichen und gebrauchlichen Abkurzungen einge- schoben. Fur die 10. Auflage konnte Herr Dipl.-Ing. Uwe Bleyer als Mitarbeiter ge- wonnen werden. Er ist bereits als Mitautor der Aufgabensammlung bekannt. Autoren und Verlag danken Firmen und Instituten fur die Unterstutzung durch Bilder und Informationen und den Lesern fur Kritik und Anregungen. Braunschweig, im Mai 1992 Wolfgang Weissbach, Uwe Bleyer Die 11. Auflage entspricht im wesentlichen der vorangegangenen.
The term ""Taguchi methods"" was coined in the United States. It pertains to the evaluation and improvement of the robustness of products - or what may also be termed ""quality engineering"". The purpose of this book is to explain these terms and it is aimed at managers, technology developers and engineers of manufacturing enterprises. The book contains a general discussion about the productivity of manufacturing enterprises, which is equivalent to cost reduction and quality improvement at the following five manufacturing stages - technology development, product planning, product design, design of the production process and management of the production process.
Messtechnik und Qualitatssicherung sind zwei Gebiete, die in der modernen arbeits- teiligen und spezialisierten Produktion immer enger zusammenwachsen. Es sind zwei Gebiete, die in Forschung, Entwicklung, Produktion und Anwendung gesetzmassig zu- nehmend Gewicht erhalten. Die Messtechnik liefert die Messinformationen zur Analyse, Beurteilung und Steuerung kontinuierlicher und diskontinuierlicher technischer Prozesse. Sie ist unerlasslich fur die Produktions- und Qualitatssteuerung sowie die Produktionsorganisation Und Produk- tionssicherheit. Daruber hinaus wird die Messtechnik zunehmend in Landwirtschaft, Medizin und Verkehrswesen angewendet sowie in technische Konsumguter integriert. Die Qualitatssicherung umfasst die Gesamtheit aller Massnahmen, die von der Pla- nung bis zum Absatz von Erzeugnissen durchgehend aufeinander abgestimmt sind, um die volkswirtschaftlich effektivste Qualitat sowohl der Erzeugnisse als auch der Produk- tion zu gewahrleisten. Im Buch ist beabsichtigt, das Lehrgebaude der Messtechnik und Qualitatssicherung in seinen Konturen zu umreissen und dabei disziplinare und interdisziplinare Gesetz- massigkeiten aufzuzeigen. Ausserdem wird angestrebt, Zusammenhange zwischen volks- wirtschaftlichen AufgabensteIlungen und daraus resultierenden Anforderungen an die Messtechnik und Qualitatssicherung deutlich zu machen. Das Buch stellt einen Versuch dar, das Gerust der Messtechnik und Qualitatssicherung mit knappen Worten in UEbersichten darzustellen. Um seinen Umfang in Grenzen zu halten und die UEbersichtlichkeit nicht in Frage zu stellen, waren Kompromisseerforder- lich. Besonders deutlich kommt das in zwei Punkten zum Ausdruck. Erstens musste bei der Theorie der Messtechnik und Qualitatssicherung zur weiteren Erklarung von Einzelheiten vielfach auf SpeziaIIiteratur verwiesen werden, die sehr um- fangreich ist.
Philipp Wittke charakterisiert spanlos gefertigte Innengewinde aus den Aluminium- und Magnesiumlegierungen AlSi10Mg, AZ31 und AZ91. Neben der Entwicklung einer zerstoerungsfreien Methode zur Beurteilung der Gewindequalitat werden vom Autor grundlagenorientierte Untersuchungen durchgefuhrt, um den Einfluss von Prozessparametervariationen wahrend der Gewindefertigung auf die Mikrostrukturen und somit auf die quasistatischen und zyklischen Eigenschaften der Innengewinde zu ermitteln. In diesem Zuge werden Strategien zur Abkurzung der Versuchszeiten fur zyklische Untersuchungen entwickelt, bei denen mittels anwendungsoptimierter Sensorik charakteristische Kennwerte zur Lebensdauervorhersage ermittelt werden. Der Autor: Philipp Wittke arbeitete als wissenschaftlich Beschaftigter am Fachgebiet Werkstoffpruftechnik (WPT) der Technischen Universitat Dortmund und schloss dort seine Promotion mit dem Fokus auf die zeiteffiziente Charakterisierung der Ermudungseigenschaften neuartiger Gewindeverbindungen in Kooperation mit dem Institut fur Spanende Fertigung (ISF) der Technischen Universitat Dortmund ab.
The first book to integrate axiomatic design and robust design for
a comprehensive quality approach Acclaro DFSS Light, a Java-based software package that
implements axiomatic design processes, is available for download
from a Wiley ftp site. Acclaro DFSS Light is a software product of
Axiomatic Design Solutions, Inc.
Dieses Buch behandelt die wichtigsten Aspekte des European Train Control System (ETCS) als Bestandteil des European Rail Traffic Management System (ERTMS). Lars Schnieder fuhrt, ausgehend von den rechtlichen Grundlagen, in die technischen Grundprinzipien von ETCS ein. Der Autor stellt den Aufbau- und die Wirkungsweise der unterschiedlichen Ausrustungsstufen dar und beschreibt die einzelnen Komponenten der Fahrzeug- und Streckeneinrichtung. Mit den von ETCS unterstutzten Betriebsarten wird aufgezeigt, wie ETCS in den verschiedenen Landern in den Bahnbetrieb integriert werden kann. Durch die Darstellung grundlegender technischer Zusammenhange und Sicherungsfunktionen wird ein Verstandnis fur das zukunftige einheitliche Europaische Zugsteuerungs- und Zugsicherungssystem geschaffen.
Innerstadtische Schienenverkehrssysteme stossen bei steigender Verkehrsnachfrage zunehmend an ihre Grenzen. Die Sicherheit und die Leistungsfahigkeit dieser Verkehrssysteme werden wesentlich durch die eingesetzte Leit- und Sicherungstechnik bestimmt. Eine Ausweitung des Verkehrsangebots erfordert leistungsfahige signaltechnische Systeme, die als Communications-Based Train Control (CBTC) bezeichnet werden. Lars Schnieder stellt in diesem essential die Systemumgebung dar, in die sich die CBTC-Systeme in Nahverkehrsunternehmen integrieren. Daruber hinaus leitet er her, welchen Beitrag die einzelnen Sicherungsfunktionen von CBTC-Loesungen zur Gefahrdungsbeherrschung leisten. Auf dieser Grundlage zeigt der Autor, wie mit zunehmender Automatisierung sukzessive ein hoeherer Funktionsumfang von technischen Systemen ubernommen wird. Zum Abschluss diskutiert er an CBTC-Systeme gestellte nicht-funktionale Anforderungen wie Sicherheit, Verfugbarkeit, Leistungsfahigkeit und Wirtschaftlichkeit. Der Autor: Dr.-Ing. Lars Schnieder verantwortet in einer Software-Entwicklungsfirma das Geschaftsfeld Sicherheitsbegutachtung. Er ist international als anerkannter Sachverstandiger fur Zugsicherungsanlagen tatig.
The validation of equipment, processes and methods is a basic requirement that nowadays has to be met in most industries. This handbook deals with the validation of computerized systems in general as well as with analytical method validation. The many detailed practical examples focus on thermal analysis of materials, such as plastics and rubber. The handbook is intended for newcomers interested in the theoretical and regulatory aspects of validation and for thermal analysis practitioners who have to validate their equipment and methods.
When humans are well, they are in a state where body, mind, and spirit are holistically integrated, and, as a result, are healthy, happy, and resilient. The same can be said for a thriving business. Industrial and Manufacturing Wellness: The Complete Guide to Successful Enterprise Asset Management explains how to use reliability engineering principles to design and build companies that are robust, reliable, self-improving, integrated business systems best suited for achieving optimal results. Written by asset management expert Mike Sondalini, creator and author of The Plant Wellness Way, this revolutionary work goes beyond basic plant management. Instead, it reveals a completely new way to engineer and implement business processes and work flow strategies that deliver overall operational excellence. The author introduces risk management, decision-making methods that prove the worth or not of a change before it is initiated in the organization, thus protecting a company from making the wrong choices. His universally applicable process improvement concepts empower readers to take a system-wide approach that can be repeated infinitely to deliver maximum success. Features Presents the first reliability engineering-based design and business process management solution. Includes a complete methodology to deliver enterprise asset management, plant maintenance, and equipment reliability. Shows how to maximize production uptime while minimizing costs and, uniquely, how to sustain those improvements. Incorporates the ISO 55001 framework in re-engineering business processes for operational success. Uses tips to reduce business processes to the fewest, simplest, quickest, safest, and most productive solutions. "Mike created what could basically be referred to as an ISO55001 implementation manual, with a big picture holistic engineering reliability approach to asset management. You will be surprised how he did that while also expanding on his existing 'Plant Wellness Way' methodology in just 286 pages! I also like how he emphasized throughout the book, attention to life cycle cost. Something that has been lacking in our industry. A must-read in today's world." -Don Fitchett, Business Industrial Network (BIN95.com)"Mike Sondalini's new book Industrial and Manufacturing Wellness is one of the best in our field that I have seen." -Len Bradshaw, Editor of Asset Management and Maintenance Journal(AMMJ)Mike Sondalini, MBA, CP Eng., is an expert in information and knowledge management, risk management and elimination, quality management systems, asset management, and operational excellence and reliability engineering. His immersion in these areas led him to create "The Plant Wellness Way," a life cycle asset management methodology. He subsequently coined the term "Industrial and Manufacturing Wellness" to depict a holistic, business-wide system of reliability. Introduction Reliability of Work, Processes, and Machines The Physics of Failure Variability in Outcomes Preventing Life-Cycle Risks Process 1-Identify Business and Operational Risks Asset Management For Plant Wellness Operating Equipment Risk Assessment Process 2-Order Risks by Importance Removing Risks And Raising Reliability Chance Reduction Risk Management Selecting Reliability Strategy Process 3-Numerate Risk Elimination Options The Accuracy-Controlled Enterprise Precision Maintenance Skills and Standards Process 4-Introduce Risk Control Solutions Reliability Growth Measuring to Improve Performance The Chance of Success Process 5-Control Operational Processes Failure Root Cause Prevention Change Management for Workplace Innovation Plant Wellness Index Process 6-Synthesize Ideas to Continuously Improve Bibliography Index
Reliability, Maintainability and Risk: Practical Methods for Engineers, Ninth Edition, has taught reliability and safety engineers techniques to minimize process design, operation defects, and failures for 35 years. For beginners, the book provides tactics on how to avoid pitfalls in this complex and wide field. For experts in the field, well-described, realistic, and illustrative examples and case studies add new insight and assistance. The author uses his 40 years of experience to create a comprehensive and detailed guide to the field, also providing an excellent description of reliability and risk computation concepts. The book is organized into five parts. Part One covers reliability parameters and costs traces the history of reliability and safety technology, presenting a cost-effective approach to quality, reliability, and safety. Part Two deals with the interpretation of failure rates, while Part Three focuses on the prediction of reliability and risk. Part Four discusses design and assurance techniques, review and testing techniques, reliability growth modeling, field data collection and feedback, predicting and demonstrating repair times, quantified reliability maintenance, and systematic failures, while Part 5 deals with legal, management and safety issues, such as project management, product liability, and safety legislation.
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