Preventive Maintenance Optimizer
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The PMO Module is important in improving asset or equipment's availability and reliability. Most industries understand the value of reviewing their maintenance strategy over time. Maintenance is one of the largest controllable operating costs in capital-intensive industries.
Unplanned breakdowns can impact an organization in product quality, production capacity, production cost, safety and environmental damage, performance and commercial risk. The PMO module assists managers to evaluate the different options, and recommends an optimal preventive maintenance schedule for a system or component within the system, which provides the required availability as well as minimal corrective and preventive maintenance cost, down time and failure damage cost.
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Key benefits of the PMO module:
- Continuous review of maintenance strategy
- Preparation of reliable and comprehensible maintenance budgets
- Reduction of corrective maintenance measures, i.e. run-to-failure strategy
- Rearrangement or removal/ of maintenance tasks to achieve cost effective and availability optimization
- Minimizing maintenance effort duplication when performing preventive maintenance tasks at different time schedules
Benefits in the design phase:
- Creates a basis for designers in order to prepare maintenance manuals and preventive maintenance schedules
- Enables designers to select appropriate support equipment for preventive maintenance
Benefits in the maintenance phase:
- Reduces maintenance and resources cost
- Bundles and optimizes preventive maintenance tasks to achieve maximum system up-time
- Recommends Preventive Maintenance (PM) for certain system components having increasing failure rate versus time
- Calculates optimal Mean Time Between PM (MTBPM) for each recommended PM action
- Chooses optimal combinations of blocks that should simultaneously be maintained to reduce the system total down time, assembly, transportation and packaging cost
- Selects optimal common MTBPM for blocks combined together for PM
- Satisfies required Availability, Mission reliability, MTBF, PM free interval (PMU) reliability (PMU survival probability). In case a requirement cannot be achieved, PMO calculates maximal achieved requirement for the above values
- From all PM schedules satisfying the requirements, PMO selects the solution with the minimal total cost. This cost includes PM and CM actions as well as transportation, packaging, spare purchase & storage. It also includes system down time damage & non-system (environmental) damage
- PMO allows users to define one of 6 distribution types (Exponential, Weibull, Lognormal, Uniform, Pareto and Rayleigh) with their parameters, for each lowest system component. They are most important data for PM optimization
- PMO calculates MTBF for all blocks regarding PM restoration
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