International Series in Operations Research & Management Science, 15
CONTENTS NOTE
Text of Note
1 Introduction.- 1.1 Warranty.- 1.1.1 Warranty Content.- 1.1.2 Warranty Duration.- 1.1.3 Warranty Type.- 1.1.4 Extended Warranties.- 1.1.5 Quality and Warranty.- 1.2 Preventive Maintenance.- 1.2.1 Rectification Modes.- 1.2.2 Rectification Period and Maintenance Cycle.- 1.2.3 Replacement Strategies.- 1.2.4 Quality and Preventive Maintenance.- 1.3 Objectives, Scope and Summary.- 1.3.1 Unit Warranties.- 1.3.2 Perpetual Warranties.- 1.3.3 Extended Warranties.- 1.3.4 Preventive Maintenance.- 1.4 Notation.- 2 Reliability and Quality Measures.- 2.1 The Failure Process.- 2.1.1 Integral Equation of the Process.- 2.1.2 Recurrence Times.- 2.1.3 Replacement on Failure.- 2.1.4 Minimal Repair.- 2.1.5 Imperfect Repair.- 2.2 Measuring Quality Improvement.- 2.2.1 Mean-and-Variance Ordering.- 2.2.2 Stochastic Ordering.- 2.2.3 Other Partial Ordering Relations.- 2.2.4 Mixture Models.- 2.2.5 Examples.- 3 Unit Warranties.- 3.1 Free-Rectification Warranties.- 3.1.1 Distribution of Warranty Cost.- 3.1.2 Optimal Rectification Effort.- 3.1.3 Impact of Quality.- 3.2 Pro-Rata Replacement Warranties.- 3.2.1 Variables of Interest.- 3.2.2 Examples.- 3.3 Combination Warranties and Warranty Policy.- 3.3.1 Probability Distributions.- 3.3.2 Warranty Policy Design.- 4 Perpetual Warranties.- 4.1 Long-Life-Cycle, Free-Rectification Warranties.- 4.1.1 Cost Rates.- 4.1.2 Impact of Product Quality.- 4.2 Free-Rectification Warranties in Finite Time.- 4.2.1 User's Replacement Cost.- 4.2.2 Manufacturer's Costs and Profit.- 4.2.3 Examples.- 4.3 Long-Life-Cycle, Pro-Rata Warranties.- 4.3.1 Cost Rates.- 4.3.2 Impact of Product Quality.- 4.4 Pro-Rata Warranties in Finite Time.- 4.4.1 Manufacturer's Supply Cost.- 4.4.2 Joint Distribution of BUf(t) and N(t).- 4.4.3 User's Replacement Cost.- 4.4.4 Manufacturer's Warranty Cost.- 4.4.5 Examples.- 5 Extended Warranties.- 5.1 Mathematical Model.- 5.1.1 Probability Distributions.- 5.2 Performance Measures.- 5.2.1 Profitability and Risk-of-Loss.- 5.2.2 Expected Cost and Profit.- 5.2.3 Expected Cost Per Unit Time.- 5.2.4 Multiple Extended Warranty Options.- 5.2.5 User's Perspective.- 5.3 Extensions.- 5.3.1 Extended Warranties for Used Systems.- 5.3.2 Free-Rectification Base Warranty.- 5.3.3 Random Repair.- 5.3.4 Adverse Selection and Moral Hazard.- 6 Preventive Maintenance.- 6.1 Long-Term-Average-Cost Models.- 6.1.1 Age-Replacement Strategy.- 6.1.2 Periodic-Replacement Strategy.- 6.1.3 Repair-Limit Strategy.- 6.2 Quality and Preventive Maintenance.- 6.2.1 Sufficient Conditions for Cost Reduction.- 6.2.2 Extent of Cost Reduction.- 6.3 Cost Models in Finite Time.- 6.3.1 Age-Replacement Strategy.- 6.3.2 Periodic-Replacement Strategy.- 6.3.3 Repair-limit Strategy.- 6.4 Maintenance After Warranty.- 6.4.1 Unit Contracts.- 6.4.2 Perpetual Contracts.
SUMMARY OR ABSTRACT
Text of Note
Quality, Warranty and Preventive Maintenance examines the impact of product quality on warranty and maintenance costs and strategies, from the perspectives of both manufacturers and users.