CONTENTS
Preface = ⅴ
1. Introduction to Design Assurance = 1
1.1 The Evolution of Controlling Product Quality = 1
1.2 The Concept of Design Assurance = 2
1.3 The Role of Engineering Management = 5
1.4 Relationships with Other Disciplines = 8
1.5 Starting a Design Assurance Program = 10
1.6 Summary = 15
2. Design Requirements = 16
2.1 Introduction = 16
2.2 External Sources of Requirements = 18
2.3 Internal Sources = 20
2.4 Functional Analysis = 22
2.5 Translation of Requirements into Designs = 27
2.6 Summary = 31
3. Drawing Control = 32
3.1 Introduction = 33
3.2 Types of Drawings = 33
3.3 Drawing Preparation = 46
3.4 Drawing Review and Approval = 50
3.5 Drawing Document Control = 53
3.6 Drawing Revisions = 57
3.7 Summary = 62
4. Specification Control = 63
4.1 Introduction = 63
4.2 Types of Specifications = 64
4.3 Specification Preparation = 72
4.4 Specification Review and Approval = 76
4.5 Specification Document Control = 78
4.6 Specification Revisions = 81
4.7 Summary = 83
5. Configuration Control = 84
5.1 Introduction = 84
5.2 Configuration Identification = 86
5.3 Control of Changes = 90
5.4 Configuration Verification = 102
5.5 Summary = 103
6. Design Methods and Analysis = 104
6.1 Introduction = 104
6.2 Design Methods = 105
6.3 Design Analysis = 114
6.4 Design Integration = 122
6.5 Summary = 122
7. Control of Engineering Software = 124
7.1 Introduction = 125
7.2 Software Design = 128
7.3 Coding and Debugging Computer Programs = 132
7.4 Program Verification = 138
7.5 Documentation and Control of Computer Programs = 141
7.6 Summary = 149
8. Product Testing = 151
8.1 Introduction = 151
8.2 Initiating the Test = 155
8.3 Performing the Test = 159
8.4 Reporting Results = 161
8.5 Summary = 165
9. Design Reviews = 166
9.1 Introduction = 166
9.2 Formal Design Reviews = 167
9.3 Requirements Review = 179
9.4 Design Verification Reviews = 179
9.5 Informal Design Reviews = 181
9.6 An Integrated Approach = 181
9.7 Summary = 182
10. Statistical Tools for Design Assurance = 183
10.1 Introduction = 183
10.2 Frequency Distributions = 184
10.3 The Normal Curve = 188
10.4 Process Capability = 192
10.5 Statistical Tolerancing = 195
10.6 Summary = 197
11. Control of Nonconformances = 198
11.1 Principles of Control = 198
11.2 Nonconformance Reporting = 201
11.3 Disposition of Nonconformances = 203
11.4 Closeout and Feedback = 204
11.5 Summary = 205
12. Engineering Records = 207
12.1 Introduction = 207
12.2 Methods for Indexing = 208
12.3 Filing Practices = 211
12.4 Records Retention = 218
12.5 Summary = 220
13. Supporting Documentation = 221
13.1 Introduction = 221
13.2 Operation and Maintenance Instructions = 222
13.3 Replacement Parts Lists = 228
13.4 Design Control Measures = 231
13.5 Summary = 232
14. Reliability Improvement = 233
14.1 Introduction = 233
14.2 Reliability Reporting System = 235
14.3 Measuring and Analyzing Product Reliability = 238
14.4 Reliability Design Tools = 244
14.5 Reliability Testing = 254
14.6 Reliability Assessment = 256
14.7 Summary = 257
15. Auditing the Engineering Process = 259
15.1 Introduction = 260
15.2 Fundamentals of Systems Auditing = 260
15.3 Areas for Investigation = 267
15.4 Ethics of Auditor Conduct = 270
15.5 Improving the System = 272
15.6 Summary = 274
16. Design Assurance in the Future = 275
16.1 Engineering Management Responsibilities = 276
16.2 Drawings = 276
16.3 Specifications = 277
16.4 Configuration Control = 277
16.5 Design Methods and Analysis = 277
16.6 Engineering Software = 278
16.7 Product Testing = 278
16.8 Design Reviews = 278
16.9 Statistical Tools = 278
16.10 Control of Nonconformances = 279
16.11 Engineering Records and Supporting Documentation = 279
16.12 Reliability Improvements = 279
16.13 Conclusions = 280
Appendixes
Appendix 1 : Equipment Specification Contents = 283
Appendix 2 : Sample Design Review Checklist = 287
Appendix 3 : Guidelines for Auditing the Engineering Function = 289
Selected Readings = 291
Index = 297
