Egmond, R. van

component horizon component i replacement approach epoch time horizon combination state control limit strategy control limits decision planning dekker effect value / european journal maintenance phase system planning horizon table 0.00 epoch t saving combination structure action decision epoch journal deviation epoch t i structure problem research markov example distribution horizon approach number european wildeman control limit state space function penalty functions penalty section probability set-up costs activity solution 74-88 lifetime increase set-up percentage percentage increases maintenance activities programming vector heuristic model instance horizon effect components 1 execution planning phase programming algorithm definition paper algorithm n components failure european journal result markov chain markov decision theory p e r