Accelerated Testing and Validation -  Alex Porter

Accelerated Testing and Validation (eBook)

(Autor)

eBook Download: PDF
2004 | 1. Auflage
244 Seiten
Elsevier Science (Verlag)
978-0-08-048807-3 (ISBN)
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Accelerated Testing and Validation Methods is a cross-disciplinary guide that describes testing and validation tools and techniques throughout the product development process. Alex Porter not only focuses on what information is needed but also on what tools can produce the information in a timely manner. From the information provided, engineers and managers can determine what data is needed from a test and validation program and then how to select the best, most effective methods for obtaining the data.

This book integrates testing and validation methods with a business perspective so readers can understand when, where, and how such methods can be economically justified. Testing and validation is about generating key information at the correct time so that sound business and engineering decisions can be made. Rather than simply describing various testing and validation techniques, the author offers readers guidance on how to select the best tools for a particular need, explains the appropriateness of different techniques to various situations and shows how to deploy them to ensure the desired information is accurately gathered.

* Emphasizes developing a strategy for testing and validation
* Companion CD includes example spreadsheets, program source code, case studies, video clips and much more
* Teaches how to design a testing and validation program that deliver information in a timely and cost-effective manner
Accelerated Testing and Validation Methods is a cross-disciplinary guide that describes testing and validation tools and techniques throughout the product development process. Alex Porter not only focuses on what information is needed but also on what tools can produce the information in a timely manner. From the information provided, engineers and managers can determine what data is needed from a test and validation program and then how to select the best, most effective methods for obtaining the data.This book integrates testing and validation methods with a business perspective so readers can understand when, where, and how such methods can be economically justified. Testing and validation is about generating key information at the correct time so that sound business and engineering decisions can be made. Rather than simply describing various testing and validation techniques, the author offers readers guidance on how to select the best tools for a particular need, explains the appropriateness of different techniques to various situations and shows how to deploy them to ensure the desired information is accurately gathered. Emphasizes developing a strategy for testing and validation Teaches how to design a testing and validation program that deliver information in a timely and cost-effective manner

Cover 1
Title Page 4
Copyright Page 5
Contents 8
Preface 12
CHAPTER 1. The Time Value of Information 14
Historical Business Models and the Information Needed 31
Working Group Structure (Entrepreneur) 32
Modern Business Models and the Information Needed 34
CHAPTER 2. Precise But Useless Data 36
Accurate But Not Beneficial 37
Precise Test 49
CHAPTER 3. What Not To Know 56
Scenario One: A Key Physical property is wrong 60
Scenario Two: A primary failure mode of a product 61
Scenario Three: The Mean Time to Failure (MTTF) 62
CHAPTER 4. Accelerated Testing Catalog 68
TOOL NAME: Design Failure Modes and Effects Analysis (DFMEA) 68
TOOL NAME: Fault Tree Analysis (FTA) 69
TOOL NAME: Fully Censored Testing 71
TOOL NAME: Step Stress Testing 74
TOOL NAME: Accelerated Reliability 77
TOOL NAME: Highly Accelerated Life Testing (HALT) 80
TOOL NAME: Failure Mode Varification Test (FMVT ®) 83
TOOL NAME: Computer Modeling 87
CHAPTER 5. Design Failure Mode Effects Analysis (DFMEA) 90
Basic DFMEA 91
Hypothesis and the DFMEA 94
CHAPTER 6. Fully Censored Testing 100
Representative 104
Homogeneous 105
When to Use it? 110
CHAPTER 7. Step Stress Testing 114
Life Test Stresses and Levels 117
Stepping Magnitude 118
Business Style 122
CHAPTER 8.Trading Stress for Time 124
Basic Principles 126
Description of Accelerated Reliability Method 126
Single Variable Model 128
Two-Variable Model 129
Three-Variable Model 131
CHAPTER 9. Highly Accelerated Life Testing (HALT) 136
A Typical HALT 138
Hot Temperature Steps 141
Cold Temperature Steps 143
Ramp Rates 144
Vibration 146
Combined Run 149
Business Structures 149
CHAPTER 10. Failure Mode Verification Testing (FMVT) 152
Development FMVT 154
More About Stress 159
More About Failures 164
More About Setup and Execution 164
More on Data Analysis 164
Comparison FMVT 170
FMVT Life Prediction–Equivalent Wear and Cycle Counting 172
FMVT Warranty 173
More on Vibration 173
Reliability and Design Maturity 177
Business Considerations 179
CHAPTER 11. Computer and Math Modeling 180
Math models 180
Finite Element Analysis (FEA) 182
Boundary Conditions and Assumptions 185
Business Considerations 189
CHAPTER 12. Hybrid Testing 192
Fully Coupled and partially Coupled Hybrid Tests 196
The Field as a Test Method 198
CHAPTER 13.Validation Synthesis Model 204
The Primary Question 206
Timing 210
Efficiency 211
CHAPTER 14. Downspout Generator Example 218
Downspout Generator (DSG) 218
Basic Numbers 220
Research (Day 0–30) 231
Feasibility (Day 30–60) 233
Development/Design (Day 60–150) 235
Design Validation (Day 150–180) 238
Production Validation (Day 180–210) 244
Production (Day 210–1095) 247
About the Author 252
Index 254

Erscheint lt. Verlag 1.7.2004
Sprache englisch
Themenwelt Kunst / Musik / Theater Design / Innenarchitektur / Mode
Sachbuch/Ratgeber
Mathematik / Informatik Informatik Software Entwicklung
Technik Elektrotechnik / Energietechnik
Technik Maschinenbau
Wirtschaft
ISBN-10 0-08-048807-2 / 0080488072
ISBN-13 978-0-08-048807-3 / 9780080488073
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