Accelerated Testing and Validation

Accelerated Testing and Validation

1st Edition - June 4, 2004

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  • Author: Alex Porter
  • Paperback ISBN: 9780750676533
  • eBook ISBN: 9780080488073

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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.

Key Features

  • 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


Engineers in testing, verification, validation, and reliability, engineering managers, engineering technicians, technological product development sector, students

Table of Contents

  • Preface
    What’s on the companion website?

    Chapter 1: The Time Value of Information
    Historical Business Models and the Information Needed
    Working Group Structure (Entrepreneur)
    Modern Business Models and the Information Needed
    Chapter 2: Precise But Useless Data
    Accurate But Not Beneficial
    Precise Test
    Chapter 3: What Not To Know
    Scenario One: A key physical property is wrong
    Scenario Two: A primary failure mode of a product
    Scenario Three: The Mean Time to Failure (MTTF)
    Chapter 4: Accelerated Testing Catelog
    TOOL NAME: Design Failure Modes and Effects Analysis (DFMEA)
    TOOL NAME: Fault Tree Analysis (FTA)
    TOOL NAME: Fully Censored Testing
    TOOL NAME: Step Stress Testing
    TOOL NAME: Accelerated Reliability
    TOOL NAME: Highly Accelerated Life Testing (HALT)
    TOOL NAME: Failure Mode Verification Test (FMVT)
    TOOL NAME: Computer Modeling
    Chapter 5: Design Failure Mode Effects Analysis (DFMEA)
    Basic DFMEA
    Hypothesis and the DFMEA
    Chapter 6: Fully Censored Testing
    When to Use It?
    Chapter 7: Step Stress Testing
    Life Test Stresses and Levels
    Stepping Magnitude
    Business Style
    Chapter 8: Trading Stress for Time
    Basic Principles
    Description of Accelerated Reliability Method
    Single Variable Model
    Two-Variable Model
    Three-Variable Model
    Chapter 9: Highly Accelerated Life Testing (HALT)
    A Typical HALT
    Hot Temperature Steps
    Cold Temperature Steps
    Ramp Rates
    Combined Run
    Business Structures
    Chapter 10: Failure Mode Verification Testing (FMVT)
    Development FMVT
    More About Stress
    More About Failures
    More About Setup and Execution
    More on Data Analysis
    Comparison FMVT
    FMVT Life Prediction – Equivalent Wear and Cycle Counting
    FMVT Warranty
    More on Vibration
    Reliability and Design Maturity
    Business Considerations
    Chapter 11: Computer and Math Modeling
    Math Models
    Finite Element Analysis (FEA)
    Boundary Conditions and Assumptions
    Business Considerations
    Chapter 12: Hybrid Testing
    Fully Coupled and Partially Coupled Hybrid Tests
    The Field as a Test Method
    Chapter 13: Validation Synthesis Model
    The Primary Question
    Chapter 14: Downspout Generator Example
    Downspout Generator (DGS)
    Basic Numbers
    Research (Day 0-30)
    Feasibility (Day 30-60)
    Development/Design (Day 60-150)
    Design Validation (Day 150-180)
    Production Validation (Day 180-210)
    Production (Day 210-1095)

    About the Author

Product details

  • No. of pages: 256
  • Language: English
  • Copyright: © Newnes 2004
  • Published: June 4, 2004
  • Imprint: Newnes
  • Paperback ISBN: 9780750676533
  • eBook ISBN: 9780080488073

About the Author

Alex Porter

Alex Porter is engineering development manager at Entela, where he supervises testing and validation programs at five different locations. His managerial responsibilities include testing and validation software development, design of testing methods and procedures, and analysis of test results. He holds three patents for testing methods and has written articles for such magazines as Compliance Engineering and has given technical seminars in testing and validation methods for the Society of Automotive Engineers.

Affiliations and Expertise

Engineering Development Manager, Entela Engineering & Testing Labs, MI, USA

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