Introduction Research Background Research Status at Home and Abroad Main Content and Structure Concepts Related to System Availability Basic Knowledge about Reliability Basic Knowledge about Maintenance and Supportability Frequently Used Probability Distribution Concept of Availability Common Problems with System Instantaneous Availability Summary Approximate Solution and Its Problem for General Continuous Availability Model Availability Equation Analysis of Single-Unit System with General Probability Distribution Approximate Solution of System Instantaneous Availability Instantaneous Availability Model of Single-Unit Repairable System with Partial Repair Time Negligible Summary Instantaneous Availability Model of Discrete-Time System under General Probability Distribution Single-Unit Repairable System under Discrete Time Single-Unit Repairable System with Repair Delay Series System Repairable System with Preventive Maintenance Considered Parallel System Summary Instantaneous Availability Model of System with Finite Time Restrained and Proof of Its Stability Introduction General Repairable System Repairable System with Repair Delay Repairable System with Preventive Maintenance Considered Repairable System with Complex Structure Summary Analysis and Control Method for Volatility of System Instantaneous Availability Introduction Volatility Parameters of System Instantaneous Availability Mechanism Analysis on Volatility of System Instantaneous Availability Volatility Control of System Instantaneous Availability during Equipment Life Cycle Summary Comparative Analysis on Discrete-Time Instantaneous Availability Models under Exponential Distribution Analysis of Errors between Discrete-Time and Continuous-Time Distributions Comparative Analysis on Analytical Solutions and Numerical Solutions of Continuous-Time Models under Exponential Distribution Comparison between Analytical Solution of Continuous-Time Equation and Discrete Equation Solution Obtained via Sampling Comparison between Numerical Solution of Continuous-Time Equation and Discrete-Time Equation Solution under Exponential Distribution Comparison of Instantaneous Availability Models for Systems with Repair Delay Comparison of Availability Models for Series Repairable Systems Comparison of Availability Models for Systems Considering Preventive Maintenance Parallel System with Two Different Models of Units Summary Analysis of Instantaneous Availability Fluctuation under Truncated Discrete Weibull Distribution Overview Weibull Truncated and Discrete Distribution Analysis of Instantaneous Availability Fluctuation for General Repairable System Analysis of Instantaneous Availability Fluctuation for Repairable System with Repair Delay Analysis of Instantaneous Availability Fluctuation for Repairable System with Preventive Maintenance Summary Optimal Design of Instantaneous Availability Fluctuation under Truncated and Discrete Weibull Distribution Overview Algorithm Design Demonstration Phase Development Phase Operation Phase Summary Conclusions and Prospects References Index System under General Probability Distribution Single-Unit Repairable System under Discrete Time Single-Unit Repairable System with Repair Delay Series System Repairable System with Preventive Maintenance Considered Parallel System Summary Instantaneous Availability Model of System with Finite Time Restrained and Proof of Its Stability Introduction General Repairable System Repairable System with Repair Delay Repairable System with Preventive Maintenance Considered Repairable System with Complex Structure Summary Analysis and Control Method for Volatility of System Instantaneous Availability Introduction Volatility Parameters of System Instantaneous Availability Mechanism Analysis on Volatility of System Instantaneous Availability Volatility Control of System Instantaneous Availability during Equipment Life Cycle Summary Comparative Analysis on Discrete-Time Instantaneous Availability Models under Exponential Distribution Analysis of Errors between Discrete-Time and Continuous-Time Distributions Comparative Analysis on Analytical Solutions and Numerical Solutions of Continuous-Time Models under Exponential Distribution Comparison between Analytical Solution of Continuous-Time Equation and Discrete Equation Solution Obtained via Sampling Comparison between Numerical Solution of Continuous-Time Equation and Discrete-Time Equation Solution under Exponential Distribution Comparison of Instantaneous Availability Models for Systems with Repair Delay Comparison of Availability Models for Series Repairable Systems Comparison of Availability Models for Systems Considering Preventive Maintenance Parallel System with Two Different Models of Units Summary Analysis of Instantaneous Availability Fluctuation under Truncated Discrete Weibull Distribution Overview Weibull Truncated and Discrete Distribution Analysis of Instantaneous Availability Fluctuation for General Repairable System Analysis of Instantaneous Availability Fluctuation for Repairable System with Repair Delay Analysis of Instantaneous Availability Fluctuation for Repairable System with Preventive Maintenance Summary Optimal Design of Instantaneous Availability Fluctuation under Truncated and Discrete Weibull Distribution Overview Algorithm Design Demonstration Phase Development Phase Operation Phase Summary Conclusions and Prospects References Index Instantaneous Availability during Equipment Life Cycle Summary Comparative Analysis on Discrete-Time Instantaneous Availability Models under Exponential Distribution Analysis of Errors between Discrete-Time and Continuous-Time Distributions Comparative Analysis on Analytical Solutions and Numerical Solutions of Continuous-Time Models under Exponential Distribution Comparison between Analytical Solution of Continuous-Time Equation and Discrete Equation Solution Obtained via Sampling Comparison between Numerical Solution of Continuous-Time Equation and Discrete-Time Equation Solution under Exponential Distribution Comparison of Instantaneous Availability Models for Systems with Repair Delay Comparison of Availability Models for Series Repairable Systems Comparison of Availability Models for Systems Considering Preventive Maintenance Parallel System with Two Different Models of Units Summary Analysis of Instantaneous Availability Fluctuation under Truncated Discrete Weibull Distribution Overview Weibull Truncated and Discrete Distribution Analysis of Instantaneous Availability Fluctuation for General Repairable System Analysis of Instantaneous Availability Fluctuation for Repairable System with Repair Delay Analysis of Instantaneous Availability Fluctuation for Repairable System with Preventive Maintenance Summary Optimal Design of Instantaneous Availability Fluctuation under Truncated and Discrete Weibull Distribution Overview Algorithm Design Demonstration Phase Development Phase Operation Phase Summary Conclusions and Prospects References Index dels of Units Summary Analysis of Instantaneous Availability Fluctuation under Truncated Discrete Weibull Distribution Overview Weibull Truncated and Discrete Distribution Analysis of Instantaneous Availability Fluctuation for General Repairable System Analysis of Instantaneous Availability Fluctuation for Repairable System with Repair Delay Analysis of Instantaneous Availability Fluctuation for Repairable System with Preventive Maintenance Summary Optimal Design of Instantaneous Availability Fluctuation under Truncated and Discrete Weibull Distribution Overview Algorithm Design Demonstration Phase Development Phase Operation Phase Summary Conclusions and Prospects References Index.