분포분석을 통해 고장간 시간에 적합한 수명분포를 식별하고, 체계의 MTBF를 최우추정법과 최소제곱법을 이용하여 추정하였다.
Through distribution analysis, a life distribution suiTable for the time between failures was identified, and the MTBF of the system was estimated using the maximum likelihood estimation method and the least squares method.