Name: Reliability and Warranties: Methods for Product Development and Quality Improvement
Price: $139.86 USD
Availability: InStock
ISBN: 9780849371493

Our modern view of quality is a multifaceted conglomeration of probability, planning, and perception. Although warranties are important first as an estimate and then as a measurement of reliability, most books on reliability and quality relegate the topic of warranties to a single chapter. Today's engineering student needs an integrated view that considers all aspects that contribute to overall quality along with methods to analyze, predict, measure, and improve each component.Reliability and Warranties: Methods for Product Development and Quality Improvement provides this unified treatment along with illustrative examples, end-of-chapter problems, and background material. Based on the author's distinguished experience as a practicing engineer and educator, this text supplies students with a modern education in quality engineering and the skills and knowledge necessary to succeed in the real world. It begins with preliminary results for dealing with failures followed by the modern definition and view of quality, various types and models for warranties, quality improvement, and perspective for achieving reliability and quality goals. It also includes a unique framework for measuring and tracking overall quality performance.Ideal for senior undergraduate and first-year graduate students taking courses on quality, reliability, or industrial engineering, Reliability and Warranties presents a practical, thoroughly integrated path to meeting both engineering and customer quality goals.

Chapter 1 Product Quality and Warranty

1

(6)

1.1 Introduction

1

(1)

1.2 Background and Scope

2

(3)

References

5

(2)

Chapter 2 Preliminary Results for Analyzing Product Failures

7

(28)

2.1 Failure Time Distributions

7

(14)

2.1.1 Some Common Continuous Distributions

8

(3)

2.1.2 Laplace Transforms

11

(4)

2.1.3 Some Common Discrete Distributions

15

(1)

2.1.4 Probability Generating Functions

16

(5)

2.2 Fitting Distributions

21

(5)

2.2.1 Goodness of Fit Testing

22

(2)

2.2.2 Probability Plotting

24

(2)

2.3 Counting the Number of Failures

26

(6)

2.3.1 Binomial Failure Process

27

(2)

2.3.2 Poisson Failure Process

29

(1)

2.3.3 Approximations to M(t)

30

(2)

2.4 Exercises

32

(2)

References

34

(1)

Chapter 3 Quality and Reliability

35

(24)

3.1 Quality Concepts

35

(3)

3.1.1 Product Life and Quality

37

(1)

3.1.2 The Product System

37

(1)

3.2 Product Reliability

38

(13)

3.2.1 Reliability Measures

38

(6)

3.2.1.1 Exponential Failure Times

41

(1)

3.2.1.2 Weibull Failure Times

42

(2)

3.2.2 Failures and Lifetime Characteristics

44

(2)

3.2.2.1 Infant Mortality Period

45

(1)

3.2.2.2 Useful Life Period

45

(1)

3.2.2.3 Wear-out Period

45

(1)

3.2.3 System Configurations

46

(4)

3.2.3.1 Series System

46

(1)

3.2.3.2 Parallel System

46

(1)

3.2.3.3 Combined Series/Parallel System

47

(3)

3.2.4 Reliability Improvement and Redundancy

50

(1)

3.3 Load and Capacity Models

51

(5)

3.3.1 Periodic Loadings

54

(1)

3.3.2 Random Loadings

55

(1)

3.4 Exercises

56

(2)

References

58

(1)

Chapter 4 Economic Models for Product Warranties

59

(26)

4.1 Definitions and Types of Warranties

59

(7)

4.1.1 Free-Replacement Warranty (FRW)

60

(1)

4.1.2 Pro Rata Replacement Warranty (PRW)

61

(1)

4.1.3 Warranty Costs and Discounting

62

(2)

4.1.4 Combined FRW/PRW

64

(2)

4.2 Warranty Cost Models

66

(8)

4.2.1 Nonrenewing Warranty

67

(5)

4.2.1.1 FRW Policy

68

(4)

4.2.1.2 PRW and Combined Policies

72

(1)

4.2.2 Renewing Warranty

72

(2)

4.3 Determining Optimum Warranty Periods

74

(3)

4.3.1 Exponential Failure Times

76

(1)

4.3.2 Weibull Failure Times

76

(1)

4.4 Estimating Warranty Reserve

77

(3)

4.4.1 Exponential Failure Times

78

(1)

4.4.2 Weibull Failure Times

79

(1)

4.5 Exercises

80

(2)

References

82

(3)

Chapter 5 Product Quality Monitoring and Feedback

85

(30)

5.1 Quality System Monitoring and Control

85

(5)

5.1.1 Features for an Effective TQC System

88

(2)

5.2 Multiattribute Quality Assessment

90

(5)

5.2.1 An Approach for Assessing Overall Product Quality

91

(3)

5.2.2 Relative Quality Indicators

94

(1)

5.3 Warranty Information Feedback Models

95

(9)

5.3.1 The Claims Process

95

(1)

5.3.2 Poisson Warranty Claims

96

(5)

5.3.3 Poisson Warranty Claims with Lags

101

(3)

5.4 MOP/MIS Charts

104

(7)

5.4.1 Average Defects per Unit Sold (DPUS)

107

(1)

5.4.2 Average Warranty Cost per Unit Sold (CPUS)

108

(1)

5.4.3 MOP/MIS Charts with Lag Factors

108

(8)

5.4.3.1 Lag Factor Model

109

(2)

5.5 Exercises

111

(3)

References

114

(1)

Chapter 6 The Quality Improvement Process

115

(32)

6.1 Introduction

115

(1)

6.2 Identifying Quality Problems

116

(25)

6.2.1 FMECA Process

116

(3)

6.2.2 Fault Tree Analysis

119

(6)

6.2.2.1 Procedure for Generating Cut Sets

121

(4)

6.3 Developing Quality Improvement Goals

125

(8)

6.3.1 Thomas-Richard Method

127

(6)

6.3.1.1 Constant Failure Rate (CFR) Allocation

128

(3)

6.3.1.2 Increasing Failure Rate (IFR) Allocation

131

(2)

6.4 Decision Analysis Framework

133

(14)

6.4.1 Decisions under Risk Conditions

134

(4)

6.4.2 A Generalized Maximum Entropy Principle (GMEP)

138

(2)

6.4.3 Decisions under Complete Uncertainty

140

(1)

6.5 Exercises

141

(3)

References

144

(3)

Chapter 7 Toward an Integrated Product Quality System

147

(8)

7.1 Introduction

147

(1)

7.2 The Quality Movement

147

(3)

7.2.1 Quality Control Philosophies

148

(1)

7.2.1.1 Deming Philosophy

148

(1)

7.2.1.2 Crosby Philosophy

149

(1)

7.2.1.3 Juran Philosophy

149

(1)

7.2.2 A Modern View of Quality

149

(1)

7.3 A QRW (Quality, Reliability, and Warranty) Paradigm

150

(2)

7.4 Some Concluding Remarks

152

(1)

References

152

(3)

Appendix A Notations and Acronyms

155

(4)

Appendix B Selected Tables

159

(8)

Appendix C Counting Distributions

167

(6)

C.1 Binomial Counting Distribution

167

(1)

C.2 Poisson Counting Distribution

168

(2)

C.3 Renewal Function for Erlang (A,2) Distributed Times

170

(3)

Appendix D Solutions to Exercises

173

(18)

Index

191

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