Design of Experiments(doc52)

CCC工厂审查指南-工厂产品质量检测要求(doc48).docTable of Contents
 Introduction 3
 Agenda 3
 Purpose of the Course 5
 Goal 5
 Objectives 5
 Design of Experiments (DOE) History 7
 DOE and the STA Engineer 7
 Definition of DOE 7
 Uses of DOE 9
 Planning 10
 Steps for Experimental Design 10
 DOE Plan Analysis 13
 Common Failures 13
 Influences on Control Factors 13
 Evaluation Procedures 15
 Steps of the DOE 17
 Checklist for DOE 19
 Questions to Ask the Supplier about the Plan 21
  Adding up (Pool) Standard Deviations 22
 Steps for Simple Analysis 24
 Factorial Experiments 25
 Basic Concept 25
 Interaction Effects 29
 Fractional Factorials 30
 Use of the Results 32
 A Practical Aid for Experimenters 33
 Significance of Factor Effects 35
 Activity: Typical Three-factor two-level experiment 36
 Fractional Factorial Design 37
 DOE Methods 39
 Classical Versus Taguchi Methods 39
 Taguchi’s Loss Function 41
 Optimal cost of quality 42
 Taguchi Method 44
 Taguchi Cake-Baking Example 45
 Tips from Taguchi 47
 Signal-to-Noise Ratio 49
 Controlling Noise 51
 Inner and Outer Arrays 52
 Signal to Noise for Maximum or Minimum 54
 Confirming the Experiment 56
 Evolutionary Operation (EvOp) 58
 ANOVA Methods 60
 Assumptions for Applying ANOVA 60
 Analysis of Variance 62
 Calculations for  ANOVA Table 64
 Case Studies 69
 Case Study 1 — The Mismatched Muffler 70
 Case Study 2 71
 Summary 74
 Additional Resources 76
 Subject Matter Expert (SME) 76
 Additional Training 76
 References 76
 Review of Answers to Pre-Test and Post-Test 77
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