Roelvink, I.F.K.

replacement component policy failure group criteria replacement criteria decision dekker component i problem research br policy maintenance journal section interval european group age replacement number probability r policy difference option component case state markov model criterion package group replacement problem value block 467-480 distribution action chain block replacement decision moment br policies result roelvink improvement decision support system markov decision chain system renewal time units moment lifetime function approach maintenance package yield execution shape markov decision problem parameter r c i policy improvement procedure table weibull component age replacement paper discretisation ct case simulation failure rate control example multi-component case component ages replacement criterion renewal function preventively policy r age t time t effect smeitink