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Product Maturity, Volume 2


Product Maturity, Volume 2

Principles and Illustrations
1. Aufl.

von: Franck Bayle

126,99 €

Verlag: Wiley
Format: EPUB
Veröffentl.: 06.06.2022
ISBN/EAN: 9781119988335
Sprache: englisch
Anzahl Seiten: 192

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Beschreibungen

Every parent is concerned when a child is slow to become a mature adult. This is also true for any product designer, regardless of their industry sector. For a product to be mature, it must have an expected level of reliability from the moment it is put into service, and must maintain this level throughout its industrial use.<br /><br />While there have been theoretical and practical advances in reliability from the 1960s to the end of the 1990s, to take into account the effect of maintenance, the maturity of a product is often only partially addressed. Product Maturity 2 fills this gap as much as possible; a difficult exercise given that maturity is a transverse activity in the engineering sciences; it must be present throughout the lifecycle of a product.
<p>Foreword by <i>Laurent Denis</i> ix</p> <p>Foreword by <i>Serge Zaninotti</i> xiii</p> <p>Acknowledgements xv</p> <p>Introduction xvii</p> <p><b>Chapter 1 Sampling in Manufacturing </b><b>1</b></p> <p>1.1 Cost aspects 2</p> <p>1.2 Considering the distribution of defects 7</p> <p>1.3 Considering the test coverage 10</p> <p><b>Chapter 2 Compliance Test </b><b>13</b></p> <p><b>Chapter 3 Non-Regression Tests </b><b>17</b></p> <p>3.1 Non-regression on a physical quantity 17</p> <p>3.2 Non-regression depending on time 20</p> <p><b>Chapter 4 Zero-Failure Reliability Demonstration </b><b>23</b></p> <p>4.1 Purpose of zero-failure tests 23</p> <p>4.2 Theoretical principle 23</p> <p>4.2.1 Non-maintained products 24</p> <p>4.2.2 Maintained products 29</p> <p>4.2.3 Estimation of parameter β 32</p> <p>4.2.4 Physical laws of failure 35</p> <p>4.3 Optimization of test costs 42</p> <p>4.4 Specific cases 48</p> <p>4.4.1 Imposed number of parts 48</p> <p>4.4.2 Imposed testing time 48</p> <p>4.4.3 Imposed testing time and number of parts 49</p> <p>4.4.4 A test was already conducted and the demonstrated reliability should be estimated 50</p> <p>4.4.5 One test was already conducted and failure to demonstrate reliability must be known 51</p> <p>4.4.6 Two tests were conducted 51</p> <p>4.4.7 A second test is conducted 60</p> <p>4.4.8 Reliability objective is a failure rate 69</p> <p>4.4.9 Reliability data are available from the manufacturer 71</p> <p>4.4.10 Demonstration of reliability at the product level 74</p> <p>4.4.11 Taking into account a complex life profile 76</p> <p><b>Chapter 5 Reliability Management </b><b>79</b></p> <p>5.1 Context 79</p> <p>5.2 Physical architecture division 80</p> <p>5.3 Classification of subsets 81</p> <p>5.4 Allocation of initial reliability 81</p> <p>5.5 Estimation of the reliability of subsets 82</p> <p>5.5.1 Consistency with the experience feedback 85</p> <p>5.5.2 Estimation of the power of the test 85</p> <p>5.5.3 Simulation algorithm 85</p> <p>5.6 Optimal allocation of the reliability of subsets 90</p> <p>5.7 Illustration 90</p> <p>5.8 Definition of design rules 103</p> <p>5.9 Construction of a global predicted reliability model with several manufacturers 107</p> <p><b>Chapter 6 Confirmation of Maturity </b><b>115</b></p> <p>6.1 Internal data from equipment manufacturer 115</p> <p>6.2 System manufacturer data 117</p> <p>6.2.1 Original fit removal rate or “zero hour returns” 117</p> <p>6.3 End-customer data 121</p> <p>6.3.1 Burn-in effectiveness 121</p> <p>6.3.2 First failure analysis 121</p> <p>6.3.3 Method based on failure analysis 124</p> <p>6.3.4 Observed reliability 124</p> <p>6.3.5 Estimation of the forecasting number of catastrophic failures 128</p> <p>6.4 Burn-in optimization 134</p> <p>6.4.1 Distribution of failures observed during HASS cycles 134</p> <p>6.4.2 Verification of the degradation of the manufacturing process 136</p> <p>List of Notations 139</p> <p>List of Definitions 141</p> <p>List of Acronyms 147</p> <p>References 151</p> <p>Index 155</p>
Franck Bayle is an electronic engineer by training. He has practiced for almost 15 years, working at Crouzet and then at Thalès in Valence, France. He has also worked in reliability and maturity.

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