I n the past many decades, breakdown, maintenance and replacement issues of deteriorating machines and systems are extensively studied within the literature. A number of maintenance and replacement models, techniques and policies are created, documented and tested. However, of these models are comprised of some classes ∗M.Tech. Student, Department of Mechanical Engineering, Madhav Institute of ...

In view of the very complex equipment making up the LHC machine and its many ancillary subsystems, equipment maintenance policies will play a primordial role to ensure an optimal availability. As access to most of the machine systems is strictly regulated, maintenance interventions will require global co-ordination and collaboration from both CERN equipment groups and industrial support teams. ...

The optimal predictive, preventive, corrective and opportunistic maintenance policies play an important role in the success of sustainable operations. This study discusses a new energy efficiency-related policy optimization method, which is based on failure data status information from both physical system digital twin-based discrete event simulation. presents functional model, mathematical mod...

This paper deals with a predictive maintenance policy for a continuously deteriorating system subject to stress. We consider a system with two failure mechanisms which are respectively due to an excessive deterioration level and a shock. To optimize the maintenance policy of the system, an approach combining Statistical Process Control (SPC) and Condition-Based Maintenance (CBM) is proposed. CB...

This study proposes a hybrid minimal repair policy which combines periodic maintenance policy with age-based maintenance policy for a serial production system. Parameters of such policy are defined as and which indicate as hybrid minimal repair time and planned preventive maintenance time respectively . Under this hybrid policy, the system is repaired minimally if it fails during , . A perfect ...

This paper proposes an opportunistic maintenance policy for the multi-unit series production system. This proposed maintenance policy is on the basis of the failure rate analysis, which is more realistic than age-based or time-based opportunistic replacement models. When a system halts for performing preventive maintenance or opportunistic maintenance, the alternative decision of replacement an...