Umfang:
1 Online-Ressource (249 Seiten)
ISBN:
9781000401165
Serie:
ASA-CRC Series on Statistical Reasoning in Science and Society Ser
Anmerkung:
Description based on publisher supplied metadata and other sources
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Cover -- Half Title -- Series Page -- Title Page -- Copyright Page -- Table of Contents -- Preface -- Acknowledgments -- Authors -- Chapter 1 Reliability and the Role of Statistics: An Introduction -- 1.1 Reliability: As the Customers See It -- 1.2 What Is Reliability? -- 1.3 Shift from a Reactive to a Proactive Mindset in Reliability Assurance -- 1.4 Reliability Assurance over the Entire Product Lifecycle -- Setting Reliability Goals -- Nonrepairable Products -- Repairable Products -- Evolution of the Role of Statistics in Reliability Assurance -- Reliability Evaluation of a Conceptual Design (Chapter 2) -- Product Development and Assessment (Chapter 3) -- Reliability Validation (Chapter 4) -- Manufacturing (Chapter 5) -- Field Tracking (Chapters 6 and 7) -- Major Takeaways -- References and Additional Resources -- Chapter 2 System Reliability Evaluation of a Conceptual Design -- 2.1 System Reliability Modeling -- 2.2 Reliability Block Diagrams -- Components in Series -- Components in Parallel -- Components in Series and Parallel -- 2.3 Calculating System Reliability from Component Reliability -- Series Systems -- Parallel Systems -- More Complicated Systems -- 2.4 Computer Tools for System Reliability Analysis -- 2.5 System Reliability Example: Washing Machine Design -- System Description -- Reliability Model -- Subsystem Reliability Targets -- Introducing Redundancy -- 2.6 Assumptions and Extensions -- Types of Redundancy -- The Assumption of Independence -- A Failure of Perceived Redundancy -- Assessment of Component Reliability -- 2.7 Further Considerations -- Effect of Part-Count Reduction -- Assessing the Reliability of Different Size Products -- Assessing the Impact of Removal of a Failure Mode -- Major Takeaways -- References and Additional Resources -- Chapter 3 Product Reliability Development -- 3.1 Paths to Reliability Improvement
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3.2 Design of Experiments and Robust Design for Reliability -- 3.3 Reliability Evaluation -- Use-Rate Acceleration -- Washing Machine Motor Example -- Testing Strategy -- The Test Plan -- Results after Six Months -- Results Assuming Elimination of Plastic Part Failure Mode -- Further Evaluation and Testing -- Accelerated Life Tests -- Types of ALTs -- Acceleration Models -- Conducting an ALT -- Generator Insulation Example -- Test Plan and Protocol -- Results -- Analysis -- Further Considerations on ALTs -- Degradation Testing -- Battery Example -- Degradation Measures -- Degradation Data -- Analysis of Degradation Data -- Dangers of Extrapolation -- Major Takeaways -- References and Additional Resources -- Chapter 4 Reliability Validation -- 4.1 The Need for Reliability Validation -- 4.2 In-House Testing -- Generator Insulation Example: Description -- An Unpleasant Discovery: A New Failure Mode -- Initial Analysis -- Separate Analyses by Failure Mode -- A Key Point: Obtain and Report all Relevant Data -- Validating Fixes -- 4.3 Beta Site Testing -- Beta Site Testing Example: Laptop Computer Reliability Tracking System -- Limitations -- 4.4 Reliability Growth Analysis -- Example -- Duane Plots -- 4.5 Reliability Demonstration Test Planning -- Product Reliability Demonstration Test: The Concept -- Zero-Failure Reliability Demonstration Tests -- Distribution-Free Zero-Failure Reliability Demonstration Test Plan -- Further Comments on Distribution-Free Zero-failure Reliability Demonstration Test Plans -- Zero-Failure Reliability Demonstration Test Plan assuming a Weibull Distribution -- Application of Preceding Plan to Bearing Life Example -- A Major Downside of Zero-failure Reliability Demonstration Tests -- Other Reliability Demonstration Test Plans -- What It All Adds Up to -- 4.6 Product Safety
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4.7 Setting the Stage for Process-Focused Reliability Assurance in Manufacturing -- Major Takeaways -- References and Additional Resources -- Chapter 5 Reliability Assurance in Manufacturing -- 5.1 Quality and Reliability Assurance in Manufacturing -- 5.2 Evolution of Reliability Assurance in Manufacturing -- 5.3 Setting the Stage for Process-Focused Reliability Assurance in Manufacturing -- Identification of Key Process Variables That Impact Reliability -- Measurement Capability -- Process Window -- Process Stability and Capability -- Process Surveillance Planning -- Statistical Process Monitoring -- 5.4 Disciplined Approaches to Manufacturing Process Improvement -- 5.5 Process Improvement Case Study: Stator Bar Manufacturing -- Define and Scope the Problem -- Capability and Stability Assessment -- Assessing Measurement Error -- Reducing Deviations from Target and Variability -- Fix Deviation from Target -- Find Root Causes of Variability -- Understanding Major Source of Variation -- Reducing Variability -- Validate -- Statistical Monitoring -- 5.6 Product Reliability Testing -- Reliability Audit Testing -- Reliability Acceptance Testing -- 5.7 Product Burn-in -- Major Takeaways -- References and Additional Resources -- Chapter 6 Field Reliability Tracking -- 6.1 The Challenge of Field Reliability Tracking -- 6.2 Goals of Reliability Tracking -- 6.3 Reliability Tracking for Nonrepairable Products -- Laptop Computer Hard Drive Example -- Segmentation Analysis for a Laptop Computer Hard Drive -- Reporting and Corrective Action System -- Another Segmentation Example: Aircraft Engine Bleed System -- 6.4 Reliability Tracking for Repairable Products -- Locomotive Braking Grid Example -- Segmentation Analysis for Locomotive Braking Grids Example -- 6.5 Prediction of Future Number of Failures -- Washing Machine Circuit Board Example
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Field Failure Data Analysis on Circuit Boards -- Management Decision -- Prediction of Future Number of Failures -- 6.6 Emerging Applications -- Major Takeaways -- References and Additional Resources -- Chapter 7 A Peek into the Future -- 7.1 The New Generation of Reliability Data -- 7.2 Applications in Reliability -- Product Maintenance Schedules -- Proactive Parts Replacement Strategies -- Automated Monitoring for Impending Failures -- Locomotive Engine Example -- 7.3 Further Topics -- Major Takeaways -- References and ADDITIONAL Resources -- Chapter 8 Statistical Concepts and Tools for Product Lifetime Data Analysis -- 8.1 What's Different about Product Lifetime Data Analysis? -- 8.2 Product Lifetime Distributions: Key Concepts -- Hazard Function -- The Weibull Distribution -- The Exponential Distribution -- The Lognormal Distribution -- 8.3 Lifetime Data Analysis Case Study: Washing Machine Circuit Board Failures Data -- Information Sought -- General Approach to Lifetime Data Analysis -- Graphical Analysis -- Weibull vs. Lognormal Distribution Analysis -- Estimation of Model Parameters and Other Quantities of Interest -- 8.4 Further Topics -- Beware of Extrapolation! -- Bayesian Methods in Lifetime Data Analysis -- Software for Statistical Analysis of Reliability Data -- Major Takeaways -- References and Additional Resources -- Index
Weitere Ausg.:
Erscheint auch als Druck-Ausgabe Doganaksoy, Necip Achieving Product Reliability Milton : CRC Press LLC,c2021 ISBN 9781315167107
Sprache:
Englisch
