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Author : Gustaf Olsson
Publisher :
Page : 456 pages
File Size : 38,56 MB
Release : 1992
Category : Technology & Engineering
ISBN : 9780134575810
Computer Applications -- Physical Sciences and Engineering.
Author : Reinhold Güth
Publisher : Springer Science & Business Media
Page : 358 pages
File Size : 17,65 MB
Release : 2012-12-06
Category : Computers
ISBN : 1461322375
The Brown Boveri Symposia are by now part of a firm!ly established tradition. This is the ninth event in a series which was initiated shortly after Corporate Research was created as a separate entity within our Company; the Symposia are held every other year. The themes to date have been: 1969 Flow Research on Blading 1971 Real-Time Control of Electric Power Systems 1973 High-Temperature Materials in Gas Turbines 1975 Nonemissive Electrooptic Displays 1977 Current Interruption in High-Voltage Networks 1979 Surges in High-Voltage Networks 1981 Semiconductor Devices for Power Conditionling 1983 Corrosion in Power Generating Equipment 1985 Computer Systems for Process Control Why have we chosen these topics? At the outset we established certain selection criteria; we felt that a subject for a symposium should fulfill the following three requirements: It should characterize a part of a thoroughly scientific discipline; in other words it should describe an area of scholarly study and research. r - It should be of current interest in the sense that important results have recently been obtained and considerable research effort is presently underway in the international scientific community. - It should bear some relation to the scientific and technological activity of our Company. Let us look at the requirement "current interest": Some of the topics on the list above have been the subject of research for several decades, some even from the - v vi FOREWORD ginning of the century.
Author : 3Island Press
Publisher :
Page : 378 pages
File Size : 34,77 MB
Release : 1986-09-30
Category :
ISBN : 9781461322382
Author : Emanuel S. Savas
Publisher :
Page : 426 pages
File Size : 41,65 MB
Release : 1965
Category : Automation
ISBN :
Author : Programming Services, Inc
Publisher :
Page : pages
File Size : 17,87 MB
Release : 1968
Category :
ISBN :
Author : VijayP. Bhatkar
Publisher : Routledge
Page : 730 pages
File Size : 46,17 MB
Release : 2017-11-22
Category : Technology & Engineering
ISBN : 1351454692
A reference guide for professionals or text for graduate and postgraduate students, this volume emphasizes practical designs and applications of distributed computer control systems. It demonstrates how to improve plant productivity, enhance product quality, and increase the safety, reliability, and
Author : S. K. Singh
Publisher : PHI Learning Pvt. Ltd.
Page : 735 pages
File Size : 45,75 MB
Release : 2007-12
Category : Technology & Engineering
ISBN : 812033678X
This book is a comprehensive introduction to the vast and important field of control systems. The text introduces the theory of automatic control and its applications to the chemical process industries with emphasis on topics that are of use to the process control engineers and specialists. It also covers the advanced control strategies and its practical implementation with an excellent balance of theoretical concepts and engineering practice.
Author : Fran. Jovic
Publisher : Springer Science & Business Media
Page : 449 pages
File Size : 49,92 MB
Release : 2012-12-06
Category : Science
ISBN : 1468483757
Stratification of computer tasks 94 Example I 94 Example 2 96 Controllevels and computer input/output hardware 104 Leveli 105 Level 2 118 Level 3 118 Level4 118 Level5 119 Characteristics of process control computer systems 119 A survey of process control computer hardware 120 Communication codes and circuits 138 Channe1 capacity 138 Types of connection and communication hardware 140 Practical suggestions and recommendations 152 Rcferences 153 Part II: The Role of Software in Process Control Systems 155 Chapter 4: The relative roles of software and hardware 157 In troduction 157 Data processing 158 Hardware 159 Computingpower 163 Software for process control data processing 169 Process software 170 Intercomputer communication software 173 Message switching software 173 Software for engineering ca1culations 173 Extcnded real-time software 173 Software versus hardware 174 Program loop 175 References 183 Chapter 5: System software 185 Introduction 185 Basic concepts of real-time operating systems 186 Structure and functions of real-time operating systems 190 Data and symbols for the operating system 200 System software 204 Cost, safety and reliability of operating system software 208 References 209 Chapter 6: Application pro grams and databases 211 Introduction 211 Application program tasks 211 Structure and timing requirement of application programs 220 Direct communication 227 Multiprogramming constraints 228 Database and basic process software 233 Access to database 235 Basic faciJities of an on-line database 236 Database organization 240 Contention resolution 243 Distributed database 244 Extended real-time software 247 Referenees 257 Part III: The Man-Machine Interface 259
Author : Stuart Bennett
Publisher : IET
Page : 328 pages
File Size : 29,50 MB
Release : 1990
Category : Computers
ISBN : 9780863412202
Based on a series of lectures given at a Vacation School for postgraduate students in the areas of control and instrumentation, held at the University of Sheffield. It covers four major themes: design and tuning of controllers, the hardware technology, software design and applications.
Author : Leon Urbas
Publisher : Deutscher Industrieverlag
Page : 304 pages
File Size : 17,34 MB
Release : 2012
Category :
ISBN : 9783835631984
Process Control Systems (PCS) are distributed control systems (DCS) that are specialized to meet the requirements of the process industries. Many processes and plants of that domain have high safety and availability requirements, are instrumented with a large number of sensors and actuators and show a rather high degree of automation at least in standard operation regimes. There are remarkable differences and cross-discipline interdependencies between chemical-physical properties of the substances, procedures, unit operations, equipment, instrumentation and control strategies. This results in the observation that there hardly any two plants that are identical, even if the products are interchangeable.There are remarkable differences and cross-discipline interdependencies between chemical-physical properties of the substances, prodedures, unit operations, equipment, instrumentation and control strategies. This results in the observation that there hardly any two plants that are identical, even if the products are interchangeable. Thus, it is not surprising, that there is an ongoing discussion if each domain of the process industries, namely chemicals, pharma, pulp & paper, oil & gas, food & beverages and water/waste water treatment should have its own specialized automation system. On the contrary, there are some opinions that PCS architectures that address all of the distinct requirements of the process industries, should even be generic enough to render the distinction between PCS and e.g. DCS for power generation and distribution a merely marketing or historical issue, not a technical one.This text book contributes towards that discussion simply by putting its focus on PCS engineering basics that are common to the different domains of the process industries. The examples and exercises are related to an experimental research plant which serves for the exploration of the interaction between process modularization and process automation methods in the process industries. This makes it possible to capture features of highly specialized and integrated mono-product plants (e.g. chemicals) as well as application areas which are dominated by locally standardized general-purpose apparatus and multi-product schemes (bio-chemistry, pharma). While the theory presented in this text book is applicable for all of the PCS of the different established vendors, the examples as well as most of the screen shots refer to PCS 7, Siemens control system for the process industries. Focusing on a single PCS makes it possible to use this text book not only in basic lectures on PCS Engineering but also in computer lab courses that allow students gaining hands-on experience."