Introduction to Statistical Process Control
Autor Muhammad Aslamen Limba Engleză Hardback – 16 sep 2020
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Specificații
ISBN-10: 1119528453
Pagini: 280
Dimensiuni: 161 x 236 x 21 mm
Greutate: 0.53 kg
Editura: Wiley
Locul publicării:Hoboken, United States
Notă biografică
Cuprins
About the Authors xi
Preface xiii
Acknowledgments xvii
1 Introduction and Genesis 1
1.1 Introduction 1
1.2 History and Background of Control Charts 3
1.3 What is Quality and Quality Improvement? 5
Types of Quality-Related Costs 7
1.4 Basic Concepts 9
Continuous Probability Distributions 14
Discrete Probability Distributions 18
1.5 Types of Control Charts 19
1.6 Meaning of Process Control 21
References 22
2 Shewhart Type Control Charts for Attributes 23
2.1 Proportion and Number of Nonconforming Charts 24
Variable Sample Size 28
Improved p-Chart 29
2.2 Number of Nonconformities and Average Nonconformity Charts 32
Dealing with Low Defect Levels 39
2.3 Control Charts for Over-Dispersed Data 40
2.4 Generalized and Flexible Control Charts for Dispersed Data 44
Process Monitoring 47
A Geometric Chart to Monitor Parameter ¿ 48
The OC Curve 52
2.5 Other Recent Developments 52
References 54
3 Variable Control Charts 57
3.1 Introduction 57
3.2 x¿ Control Charts 58
3.3 Range Charts 72
3.4 Construction of S-Chart 72
3.5 Variance S2-Charts 75
References 87
4 Control Chart for Multiple Dependent State Sampling 91
4.1 Introduction 91
4.2 Attribute Charts Using MDS Sampling 91
4.3 Conway-Maxwell-Poisson (COM-Poisson) Distribution 98
4.4 Variable Charts 106
4.5 Control Charts for Non-normal Distributions 107
4.6 Control Charts for Exponential Distribution 109
4.7 Control Charts for Gamma Distribution 111
References 118
5 EWMA Control Charts Using Repetitive Group Sampling Scheme 121
5.1 Concept of Exponentially Weighted Moving Average (EWMA) Methodology 121
5.2 Attraction of EWMA Methodology in Manufacturing Scenario 126
5.3 Development of EWMA Control Chart for Monitoring Averages 127
5.4 Development of EWMA Control Chart for Repetitive Sampling Scheme 127
5.5 EWMA Control Chart for Repetitive Sampling Using Mean Deviation 128
5.6 EWMA Control Chart for Sign Statistic Using the Repetitive Sampling Scheme 139
5.7 Designing of a Hybrid EWMA (HEWMA) Control Chart Using Repetitive Sampling 147
References 154
6 Sampling Schemes for Developing Control Charts 161
6.1 Single Sampling Scheme 161
6.2 Double Sampling Scheme 162
6.3 Repetitive Sampling Scheme 165
6.4 Mixed Sampling Scheme 176
6.5 Mixed Control Chart Using Process Capability Index 180
References 187
7 Memory-Type Control Charts for Attributes 191
7.1 Exponentially Weighted Moving Average (EWMA) Control Charts for Attributes 191
Performance Evaluation Measure 196
Calculation of ARLs Using the Markov Chain Approach 196
Geometric EWMA Chart 202
Conway-Maxwell-Poisson (COM-Poisson) EWMA Chart 204
7.2 CUSUM Control Charts for Attributes 209
Performance Measure 219
7.3 Moving Average (MA) Control Charts for Attributes 220
References 226
8 Multivariate Control Charts for Attributes 231
8.1 Multivariate Shewhart-Type Charts 231
Choice of Sample Size 233
8.2 Multivariate Memory-Type Control Charts 243
Design of MEWMA Chart 244
8.3 Multivariate Cumulative Sum (CUSUM) Schemes 246
References 248
Appendix A: Areas of the Cumulative Standard Normal Distribution 251
Appendix B: Factors for Constructing Variable Control Charts 253
Index 255