Reliability, Maintainability and Risk - 4th Edition - ISBN: 9780750608541, 9781483105147

Reliability, Maintainability and Risk

4th Edition

Practical Methods for Engineers

Authors: David J Smith
eBook ISBN: 9781483105147
Imprint: Butterworth-Heinemann
Published Date: 9th February 1993
Page Count: 334
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Reliability, Maintainability and Risk: Practical Methods for Engineers, Fourth edition presents the techniques in the analysis and assessment of reliability, maintainability, safety, and risk factors in engineering design.

The book contains chapters that are devoted to the discussion of reliability parameters and costs; the history of reliability and safety technology; cost-effective approaches to quality, reliability and safety; interpretation of failure rates; and prediction of reliability and risk. Risk assessment, design and assurance techniques, project management, and product liability are tackled as well.

Industrial engineers, contract administrators, project managers, designers, and professionals responsible for the design and implementation of engineering projects will find the book invaluable.

Table of Contents

Introduction to the Fourth Edition


Part One Understanding Reliability Parameters and Costs

1 The History of Reliability and Safety Technology

1.1 Failure Data

1.2 Hazardous Failures

1.3 Reliability and Risk Prediction

1.4 Achieving Reliability

1.5 Major Activities

1.6 Contractual Pressures

2 Understanding Terms and Jargon

2.1 Defining Failure and Failure Modes

2.2 Failure Rate and Mean Time Between Failures

2.3 Interrelationships of Terms

2.4 The Bathtub Distribution

2.5 Down Time and Repair Time

2.6 Availability

2.7 Hazard and Risk-Related Terms

2.8 Choosing the Appropriate Parameter

3 A cost-Effective Approach to Quality, Reliability and Safety

3.1 The Cost of Quality

3.2 Reliability and Cost

3.3 Costs and Safety

Part Two Interpreting Failure Rates

4 Realistic Failure Rates

4.1 Data Accuracy

4.2 Microelectronics Data

4.3 Overall Data

4.4 Sources of Failure Rate Data

5 Interpreting Data and Demonstrating Reliability

5.1 The Four Cases

5.2 Inference and Confidence Levels

5.3 The Chi-Square Test

5.4 Double-Sided Confidence Limits

5.5 Summarizing the Chi-Square Test

5.6 Reliability Demonstration

5.7 Sequential Testing

5.8 Setting up Demonstration Tests


6 Variable Failure Rates and Probability Plotting

6.1 The Weibull Distribution

6.2 Using the Weibull Method

6.3 More Complex Cases of the Weibull Distribution

6.4 Continuous Processes


Part Three Predicting Reliability and Risk

7 Essential Reliability Theory

7.1 Why Predict?

7.2 Probability Theory

7.3 Reliability of Series Systems

7.4 Redundancy Rules

7.5 General Features of Redundancy


8 Methods of Modeling

8.1 Markov Analysis


8.2 Fault Tree Analysis

8.3 Common Mode Effects

8.4 Cause Consequence Diagrams

8.5 Simulation

8.6 Human Factors

8.7 FMEA (Failure Mode and Effect Analysis)

9 Risk Assessment

9.1 Frequency and Consequence

9.2 Hazard Identification

9.3 Factors to Quantify

Part Four Achieving Reliability and Maintainability

10 Design and Assurance Techniques

10.1 Specifying and Allocating the Requirement

10.2 Stress Analysis

10.3 Environmental Stress Protection

10.4 Failure Mechanisms

10.5 Complexity and Parts

10.6 Burn-in and Screening

10.7 Maintenance Strategies

11 Design Review and Test

11.1 Review Techniques

11.2 Categories of Testing

11.3 Reliability Growth Modeling

12 Field Data Collection and Feedback

12.1 Reasons for Data Collection

12.2 Information and Difficulties

12.3 Spreadsheets and Databases

12.4 Analysis and Presentation of Results

12.5 Examples of Failure Report Forms

13 Factors Influencing Down Time

13.1 Key Design Areas

13.2 Maintenance Strategies and Handbooks

14 Predicting and Demonstrating Repair Times

14.1 Prediction Methods

14.2 Demonstration Plans

15 Software Quality/Reliability

15.1 Programmable Devices

15.2 Software Failures

15.3 Software Failure Modeling

15.4 Software Quality Assurance

15.5 Modern/Formal Methods

15.6 Software Checklists

Part Five Legal and Management Considerations

16 Project Management

16.1 Setting Objectives and Specifications

16.2 Planning, Feasibility and Allocation

16.3 Programme Activities

16.4 Responsibilities

16.5 Standards and Guidance Documents

17 Contract Clauses and their Pitfalls

17.1 Essential Areas

17.2 Other Areas

17.3 Pitfalls

17.4 Penalties

17.5 Subcontracted Reliability Assessments

17.6 Example

18 Product Liability and Safety Legislation

18.1 The General Situation

18.2 Strict Liability

18.3 The Consumer Protection Act 1987

18.4 Health and Safety at Work Act 1974

18.5 Insurance and Product Recall

19 Safety-Critical Systems and Major Incidents

19.1 History of Major Incidents

19.2 Major Incident Legislation

19.3 Safety-Critical Systems

19.4 Current Guidance

20 A case Study

20.1 Introduction

20.2 The DATAMET Concept

20.3 Formation of the Project Group

20.4 Reliability Requirements

20.5 First Design Review

20.6 Design and Development

20.7 Syndicate Study

20.8 Hints

Appendix 1 Glossary

Appendix 2 Percentage Points of the Chi-Square Distribution

Appendix 3 Microelectronics Failure Rates

Appendix 4 General Failure Rates

Appendix 5 Failure Mode Percentages

Appendix 6 Human Error Rates

Appendix 8 Answers to Exercises

Appendix 7 Fatality Rates

Appendix 9 Bibliography

Appendix 10 Software Packages

Appendix 11 Simulation Source Code



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About the Author

David J Smith

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