A state space condition monitoring model for furnace erosion prediction and replacement

Article Abstract:

A state space model was used to determine the most cost effective inductor replacement time on the basis of condition monitoring data. The model is an application of the well-known Kalman filter to real plant conditions. The model takes into account the conductance ratio and erosion condition of the inductors in determining maintenance requirements. The resulting data fits the model well and is transferable and extendable to other condition monitoring situations.

Operations Research, Production Mgmt NEC, Management, Usage, Manufacturing processes, Manufacturing, Production management, Kalman filtering, Furnaces

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Maintenance manpower modelling for a hospital building complex

Article Abstract:

The adoption of varying manpower management and operational methods among hospitals can be examined using a building maintenance manpower simulation model. This model takes into consideration the links between manpower requirements, maintenance activities and maintenance management policies. In addition, performance measures such as man-hour limit, active time, travelling time and the minimum number of staffers required are incorporated.

Commercial and Institutional Building Construction, Nonresidential construction, not elsewhere classified, Hospital-Health Facilities, Business Personnel Management, Hospitals, Human resource management, Health facilities construction, Maintenance

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A simple condition monitoring model for a direct monitoring process

Article Abstract:

A model which characterizes the process of monitoring the condition of a component during manufacturing is introduced. For components still in use, the model measures the 'cumulative wear' and calculates the time intervals between inspections based on updated information. Usage of the model reduces the cost per unit time over the interval between the inspections. Several cases are discussed to demonstrate the model's applicability.

Operations research, Research, Management science, Measurement, Mechanical wear, Wear (Materials science), Maintainability (Engineering), Maintainability

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