Fluctuation Mechanism and Control on System Instantaneous Availability

General Continuous Availability Model ◾ 43

the view of mathematical analysis. All of these problems will affect the research on

principles of instantaneous availability fluctuation.

erefore, from the view of engineering, it is necessary to continue to seek a

new problem-solving method. ere are two main approaches for this: (1) directly

carrying out a numerical solution for renewal equation, which is a traditional

method when the analytic solution cannot be found. However, it is necessary to

pay much attention to the fact that convolution operation is required for solu-

tion of the renewal equation, while convolution operation is very time consuming

during numerical solution; (2) directly discretizing a continuous problem before

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