ASSET MANAGEMENT SYSTEM
2 Assignments
0 Petitions
Accused Products
Abstract
An asset management system includes a plurality of assets, a plurality of sensors for determining one or more operating conditions for each of said assets and one or more processors for determining a risk profile for each of the assets over time. The processor is arranged to calculate a risk index value for each asset from the risk profile, the risk index providing a relative indicator of the need for maintenance of an asset. A maintenance queue is established and assets are entered into the queue once the risk index value for that asset matches or exceeds a predetermined threshold value, the position of the asset in the queue being determined based upon the value of its risk index.
-
Citations
54 Claims
-
1-31. -31. (canceled)
-
32. An asset management system comprising a plurality of assets under the control of an asset operator;
-
a plurality of sensors for determining values for one or more operation variables for each of said assets; a risk model for each asset comprising a plurality of risks derived from the determined values of operation variables; and
,processing equipment arranged to calculate a risk index value for each asset based on an aggregation of said risks over a predetermined current and forecast time period, the risk index value providing a relative indicator of the need for maintenance of an asset in said plurality of assets, and to establish a queue in which maintenance events are assigned to assets requiring maintenance based upon their associated risk index value. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40)
-
-
41. An asset management method for a plurality of assets comprising;
-
determining or importing a risk model for each asset, said risk model comprising a plurality of risk profiles corresponding to operational risks associated with an asset; calculating a risk index value for each asset based on an aggregation of said risk profiles over a predetermined current and future time period, the risk index value providing a relative indicator of the need for maintenance of an asset in said plurality of assets, establishing a schedule in which maintenance events are assigned to assets requiring maintenance according to an order of priority based upon the risk index value associated with each asset. - View Dependent Claims (42, 43, 44, 45, 53, 54)
-
-
46. An asset management method for a plurality of assets, said assets comprising a plurality of assets in service and one or more spare assets, said method comprising;
-
determining or importing an operational risk for each asset based at least in part on a duration of operation; determining one or more maintenance needs for said assets for mitigating said operational risks; calculating a stagger value for said assets in service based upon a difference between the maintenance needs of said assets; calculating an alternative stagger value based upon a difference between the maintenance needs of a first of said assets in service and a first of said spare assets; comparing said stagger value with said alternative stagger value to determine whether the difference there-between meets a target threshold of change in stagger; and
,automatically scheduling removal of said first asset from service for maintenance and replacement thereof with said first spare asset in the event that said target threshold is met. - View Dependent Claims (47, 48, 49, 50, 51, 52)
-
Specification