Safety of Computer Control Systems

Safety of Computer Control Systems

Proceedings of the IFAC Workshop, Stuttgart, Federal Republic of Germany, 16-18 May 1979

1st Edition - January 1, 1980

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  • Editor: R. Lauber
  • eBook ISBN: 9781483153759

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Description

Safety of Computer Control Systems is a collection of papers from the Proceedings of the IFAC Workshop, held in Stuttgart, Germany on May 16-18, 1979. This book discusses the inherent problems in the hardware and software application of computerized control to automated systems safeguarding human life, property, and the environment. The papers discuss more specific concerns, such as railway systems, aircraft landing systems, nuclear power stations, chemical reactors, elevators, and cranes. The book also describes the safety and reliability of complex industrial computer systems together with an example showing the application of computers in power plants. One paper presents guidelines in documenting safety related computer systems that will help various parties who are involved in their purchase and operation. Another paper discusses how to detect failures in microcomputer systems such as memory violations and invalid operation code detectors. This book then concludes by discussing the necessity of inspecting process computers used in nuclear power plants, especially when computers are used in reactor protection, control rod, and authentication of log-in systems. This collection can be of interest for students of programming, process-computer analysts, heads of computer technology departments and institutions, and lecturers in industrial computer programming and design.

Table of Contents


  • Preface

    Session 1. Opening of the Workshop

    Introduction into the Subject of the Workshop

    Safety and Reliability - Their Terms and Models of Complex Systems

    Experience with Computers on some UK Power Plants

    Session 2. Project Management and Documentation

    Guidelines for the Documentation of Safety Related Computer Systems

    Safety Considerations in Project Management of Computerized Automation Systems

    Standards for the Production of High Quality Systems

    Session 3. Systems Design and Interfaces

    Functional Redundancy to Achieve High Reliability

    Communication Protocols for the PDV Bus in Network Representation

    Session 4. Software Diversity

    Software Diversity in Reactor Protection Systems: An experiment

    On a Diversified Parallel Microcomputer System

    An Investigation of Methods for Production and Verification of Highly Reliable Software

    Session 5. Software Testing

    A Survey of Methods for the Validation of Safety Related Software

    An Experience in Design and Validation of Software for a Reactor Protection System

    Graphs of Data Flow Dependencies

    Safety Program Validation by Means of Control Checking

    Session 6. Safety in Digital Control

    A Process Computer for Experimental Use

    Control of Nuclear Reaction by Pattern Recognition Methods

    Session 7. System Specification

    Specification, Design and Implementation of Computer-based Reactor Safety Systems

    Experience with a Specification Language in the Dual Development of Safety System Software

    Session 8. Hardware Design and Testing I

    Overview of Hardware-related Safety Problems of Computer Control Systems

    The Combined Role of Redundancy and Test Programs in Improving Fault Tolerance and Failure Detection

    A Fail-safe Comparator for Analogous Signals within Computer Control Systems

    Session 9. Hardware Design and Testing II

    Failure Detection in Microcomputer Systems

    Test Policy vs. Maintenance Policy and System Reliability

    Optimization of a Servo-system

    Session 10. Systems Approval and Licensing

    Inspection of Process Computers for Nuclear Power Plants

    Author Index


Product details

  • No. of pages: 230
  • Language: English
  • Copyright: © Pergamon 1980
  • Published: January 1, 1980
  • Imprint: Pergamon
  • eBook ISBN: 9781483153759

About the Editor

R. Lauber

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