Reliability engineering /
Presents an integrated approach to the design, engineering, and management of reliability activities throughout the life cycle of a product, including concept, research and development, design, manufacturing, assembly, sales, and service. Containing illustrative guides that include worked problems,...
Clasificación: | Libro Electrónico |
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Autor principal: | |
Otros Autores: | |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
Hoboken, New Jersey :
Wiley,
[2014]
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Temas: | |
Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Machine generated contents note: 1.1. What Is Quality?
- 1.2. What Is Reliability?
- 1.2.1. The Ability to Perform as Intended
- 1.2.2. For a Specified Time
- 1.2.3. Life-Cycle Conditions
- 1.2.4. Reliability as a Relative Measure
- 1.3. Quality, Customer Satisfaction, and System Effectiveness
- 1.4. Performance, Quality, and Reliability
- 1.5. Reliability and the System Life Cycle
- 1.6. Consequences of Failure
- 1.6.1. Financial Loss
- 1.6.2. Breach of Public Trust
- 1.6.3. Legal Liability
- 1.6.4. Intangible Losses
- 1.7. Suppliers and Customers
- 1.8. Summary
- Problems
- 2.1. Basic Reliability Concepts
- 2.1.1. Concept of Probability Density Function
- 2.2. Hazard Rate
- 2.2.1. Motivation and Development of Hazard Rate
- 2.2.2. Some Properties of the Hazard Function
- 2.2.3. Conditional Reliability
- 2.3. Percentiles Product Life
- 2.4. Moments of Time to Failure
- 2.4.1. Moments about Origin and about the Mean
- 2.4.2. Expected Life or Mean Time to Failure
- 2.4.3. Variance or the Second Moment about the Mean
- 2.4.4. Coefficient of Skewness
- 2.4.5. Coefficient of Kurtosis
- 2.5. Summary
- Problems
- 3.1. Discrete Distributions
- 3.1.1. Binomial Distribution
- 3.1.2. Poisson Distribution
- 3.1.3. Other Discrete Distributions
- 3.2. Continuous Distributions Si
- 3.2.1. Weibull Distribution
- 3.2.2. Exponential Distribution
- 3.2.3. Estimation of Reliability for Exponential Distribution
- 3.2.4. The Normal (Gaussian) Distribution
- 3.2.5. The Lognormal Distribution
- 3.2.6. Gamma Distribution
- 3.3. Probability Plots
- 3.4. Summary
- Problems
- 4.1. What Is Six Sigma?
- 4.2. Why Six Sigma?
- 4.3. How Is Six Sigma Implemented?
- 4.3.1. Steps in the Six Sigma Process
- 4.3.2. Summary of the Six Sigma Steps
- 4.4. Optimization Problems in the Six Sigma Process
- 4.4.1. System Transfer Function
- 4.4.2. Variance Transmission Equation
- 4.4.3. Economic Optimization and Quality Improvement
- 4.4.4. Tolerance Design Problem
- 4.5. Design for Six Sigma
- 4.5.1. Identify (I)
- 4.5.2. Characterize (C)
- 4.5.3. Optimize (O)
- 4.5.4. Verify (V)
- 4.6. Summary
- Problems
- 5.1. Product Requirements and Constraints
- 5.2. Product Life Cycle Conditions
- 5.3. Reliability Capability
- 5.4. Parts and Materials Selection
- 5.5. Human Factors and Reliability
- 5.6. Deductive versus Inductive Methods
- 5.7. Failure Modes, Effects, and Criticality Analysis
- 5.8. Fault Tree Analysis
- 5.8.1. Role of FTA in Decision-Making
- 5.8.2. Steps of Fault Tree Analysis
- 5.8.3. Basic Paradigms for the Construction of Fault Trees
- 5.8.4. Definition of the Top Event
- 5.8.5. Faults versus Failures
- 5.8.6. Minimal Cut Sets
- 5.9. Physics of Failure
- 5.9.1. Stress Margins
- 5.9.2. Model Analysis of Failure Mechanisms
- 5.9.3. Derating
- 5.9.4. Protective Architectures
- 5.9.5. Redundancy
- 5.9.6. Prognostics
- 5.10. Design Review
- 5.11. Qualification
- 5.12. Manufacture and Assembly
- 5.12.1. Manufacturability
- 5.12.2. Process Verification Testing
- 5.13. Analysis, Product Failure, and Root Causes
- 5.14. Summary
- Problems
- 6.1. Defining Requirements
- 6.2. Responsibilities of the Supply Chain
- 6.2.1. Multiple-Customer Products
- 6.2.2. Single-Customer Products
- 6.2.3. Custom Products
- 6.3. The Requirements Document
- 6.4. Specifications
- 6.5. Requirements Tracking
- 6.6. Summary
- Problems
- 7.1. Defining the Life-Cycle Profile
- 7.2. Life-Cycle Events
- 7.2.1. Manufacturing and Assembly
- 7.2.2. Testing and Screening
- 7.2.3. Storage
- 7.2.4. Transportation
- 7.2.5. Installation
- 7.2.6. Operation
- 7.2.7. Maintenance
- 7.3. Loads and Their Effects
- 7.3.1. Temperature
- 7.3.2. Humidity
- 7.3.3. Vibration and Shock
- 7.3.4. Solar Radiation
- 7.3.5. Electromagnetic Radiation
- 7.3.6. Pressure
- 7.3.7. Chemicals
- 7.3.8. Sand and Dust
- 7.3.9. Voltage
- 7.3.10. Current
- 7.3.11. Human Factors
- 7.4. Considerations and Recommendations for LCP Development
- 7.4.1. Extreme Specifications-Based Design (Global and Local Environments)
- 7.4.2. Standards-Based Profiles
- 7.4.3. Combined Load Conditions
- 7.4.4. Change in Magnitude and Rate of Change of Magnitude
- 7.5. Methods for Estimating Life-Cycle Loads
- 7.5.1. Market Studies and Standards Based Profiles as Sources of Data
- 7.5.2. In Situ Monitoring of Load Conditions
- 7.5.3. Field Trial Records, Service Records, and Failure Records
- 7.5.4. Data on Load Histories of Similar Parts, Assemblies, or Products
- 7.6. Summary
- Problems
- 8.1. Capability Maturity Models.
- 8.2. Key Reliability Practices
- 8.2.1. Reliability Requirements and Planning
- 8.2.2. Training and Development
- 8.2.3. Reliability Analysis
- 8.2.4. Reliability Testing
- 8.2.5. Supply-Chain Management
- 8.2.6. Failure Data Tracking and Analysis
- 8.2.7. Verification and Validation
- 8.2.8. Reliability Improvement
- 8.3. Summary
- Problems
- 9.1. Part Assessment Process
- 9.1.1. Performance Assessment
- 9.1.2. Quality Assessment
- 9.1.3. Process Capability Index
- 9.1.4. Average Outgoing Quality
- 9.1.5. Reliability Assessment
- 9.1.6. Assembly Assessment
- 9.2. Parts Management
- 9.2.1. Supply Chain Management
- 9.2.2. Part Change Management
- 9.2.3. Industry Change Control Policies
- 9.3. Risk Management
- 9.4. Summary
- Problems
- 10.1. Development of FMMEA
- 10.2. Failure Modes, Mechanisms, and Effects Analysis
- 10.2.1. System Definition, Elements, and Functions
- 10.2.2. Potential Failure Modes
- 10.2.3. Potential Failure Causes
- 10.2.4. Potential Failure Mechanisms
- 10.2.5. Failure Models
- 10.2.6. Life-Cycle Profile
- 10.2.7. Failure Mechanism Prioritization
- 10.2.8. Documentation
- 10.3. Case Study
- 10.4. Summary
- Problems
- 11.1. Design for Reliability
- 11.2. Design of a Tension Element
- 11.3. Reliability Models for Probabilistic Design
- 11.4. Example of Probabilistic Design and Design for a Reliability Target
- 11.5. Relationship between Reliability, Factor of Safety, and Variability
- 11.6. Functions of Random Variables
- 11.7. Steps for Probabilistic Design
- 11.8. Summary
- Problems
- 12.1. Part Ratings
- 12.1.1. Absolute Maximum Ratings
- 12.1.2. Recommended Operating Conditions
- 12.1.3. Factors Used to Determine Ratings
- 12.2. Derating
- 12.2.1. How Is Derating Practiced?
- 12.2.2. Limitations of the Derating Methodology
- 12.2.3. How to Determine These Limits
- 12.3. Uprating
- 12.3.1. Parts Selection and Management Process
- 12.3.2. Assessment for Uprateability
- 12.3.3. Methods of Uprating
- 12.3.4. Continued Assurance
- 12.4. Summary
- Problems
- 13.1. Tests during the Product Life Cycle
- 13.1.1. Concept Design and Prototype
- 13.1.2. Performance Validation to Design Specification
- 13.1.3. Design Maturity Validation
- 13.1.4. Design and Manufacturing Process Validation
- 13.1.5. Preproduction Low Volume Manufacturing
- 13.1.6. High Volume Production
- 13.1.7. Feedback from Field Data
- 13.2. Reliability Estimation
- 13.3. Product Qualification and Testing
- 13.3.1. Input to PoF Qualification Methodology
- 13.3.2. Accelerated Stress Test Planning and Development
- 13.3.3. Specimen Characterization
- 13.3.4. Accelerated Life Tests
- 13.3.5. Virtual Testing
- 13.3.6. Virtual Qualification
- 13.3.7. Output
- 13.4. Case Study: System-in-Package Drop Test Qualification
- 13.4.1. Step 1: Accelerated Test Planning and Development
- 13.4.2. Step 2: Specimen Characterization
- 13.4.3. Step 3: Accelerated Life Testing
- 13.4.4. Step 4: Virtual Testing
- 13.4.5. Global FEA
- 13.4.6. Strain Distributions Due to Modal Contributions
- 13.4.7. Acceleration Curves
- 13.4.8. Local FEA
- 13.4.9. Step 5: Virtual Qualification
- 13.4.10. PoF Acceleration Curves
- 13.4.11. Summary of the Methodology for Qualification
- 13.5. Basic Statistical Concepts
- 13.5.1. Confidence Interval
- 13.5.2. Interpretation of the Confidence Level
- 13.5.3. Relationship between Confidence Interval and Sample Size
- 13.6. Confidence Interval for Normal Distribution
- 13.6.1. Unknown Mean with a Known Variance for Normal Distribution
- 13.6.2. Unknown Mean with an Unknown Variance for Normal Distribution
- 13.6.3. Differences in Two Population Means with Variances Known
- 13.7. Confidence Intervals for Proportions
- 13.8. Reliability Estimation and Confidence Limits for Success-Failure Testing
- 13.8.1. Success Testing
- 13.9. Reliability Estimation and Confidence Limits for Exponential Distribution
- 13.10. Summary
- Problems
- 14.1. Process Control System
- 14.1.1. Control Charts: Recognizing Sources of Variation
- 14.1.2. Sources of Variation
- 14.1.3. Use of Control Charts for Problem Identification
- 14.2. Control Charts
- 14.2.1. Control Charts for Variables
- 14.2.2. X-Bar and R Charts
- 14.2.3. Moving Range Chart Example
- 14.2.4. X-Bar and S Charts
- 14.2.5. Control Charts for Attributes
- 14.2.6. p Chart and np Chart
- 14.2.7. np Chart Example
- 14.2.8. c Chart and u Chart
- 14.2.9. c Chart Example
- 14.3. Benefits of Control Charts
- 14.4. Average Outgoing Quality
- 14.4.1. Process Capability Studies.
- Note continued: 14.5. Advanced Control Charts
- 14.5.1. Cumulative Sum Control Charts
- 14.5.2. Exponentially Weighted Moving Average Control Charts
- 14.5.3. Other Advanced Control Charts
- 14.6. Summary
- Problems
- 15.1. Burn-In Data Observations
- 15.2. Discussion of Burn-In Data
- 15.3. Higher Field Reliability without Screening
- 15.4. Best Practices
- 15.5. Summary
- Problems
- 16.1. Root-Cause Analysis Processes
- 16.1.1. Preplanning
- 16.1.2. Collecting Data for Analysis and Assessing Immediate Causes
- 16.1.3. Root-Cause Hypothesization
- 16.1.4. Analysis and Interpretation of Evidence
- 16.1.5. Root-Cause Identification and Corrective Actions
- 16.1.6. Assessment of Corrective Actions
- 16.2. No-Fault-Found
- 16.2.1. An Approach to Assess NFF
- 16.2.2. Common Mode Failure
- 16.2.3. Concept of Common Mode Failure
- 16.2.4. Modeling and Analysis for Dependencies for Reliability Analysis
- 16.2.5. Common Mode Failure Root Causes
- 16.2.6. Common Mode Failure Analysis
- 16.2.7. Common Mode Failure Occurrence and Impact Reduction
- 16.3. Summary
- Problems
- 17.1. Reliability Block Diagram
- 17.2. Series System
- 17.3. Products with Redundancy
- 17.3.1. Active Redundancy
- 17.3.2. Standby Systems
- 17.3.3. Standby Systems with Imperfect Switching
- 17.3.4. Shared Load Parallel Models
- 17.3.5. (k, n) Systems
- 17.3.6. Limits of Redundancy
- 17.4. Complex System Reliability
- 17.4.1. Complete Enumeration Method
- 17.4.2. Conditional Probability Method
- 17.4.3. Concept of Coherent Structures
- 17.5. Summary
- Problems
- 18.1. Conceptual Model for Prognostics
- 18.2. Reliability and Prognostics
- 18.3. PHM for Electronics
- 18.4. PHM Concepts and Methods
- 18.4.1. Fuses and Canaries
- 18.5. Monitoring and Reasoning of Failure Precursors
- 18.5.1. Monitoring Environmental and Usage Profiles for Damage Modeling
- 18.6. Implementation of PHM in a System of Systems
- 18.7. Summary
- Problems
- 19.1. Product Warranties
- 19.2. Warranty Return Information
- 19.3. Warranty Policies
- 19.4. Warranty and Reliability
- 19.5. Warranty Cost Analysis
- 19.5.1. Elements of Warranty Cost Models
- 19.5.2. Failure Distributions
- 19.5.3. Cost Modeling Calculation
- 19.5.4. Modeling Assumptions and Notation
- 19.5.5. Cost Models Examples
- 19.5.6. Information Needs
- 19.5.7. Other Cost Models
- 19.6. Warranty and Reliability Management
- 19.7. Summary
- Problems.