Method and apparatus for monitoring performance characteristics of a system and identifying faults
First Claim
1. A method for monitoring a system, the method comprising:
- monitoring an output data from one or more sensors associated with the system;
arranging the output data from the one or more sensors as a plurality of modes, each mode defined by a condition in which the system may operate, wherein the output data is modelled by assigning a fading weight to each output data sample; and
identifying faulty conditions by the monitored output data outside one of the plurality of modes.
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Abstract
A method of monitoring a system is disclosed, in particular to identify the cause of conditions outside expected operating conditions. The output of one or more sensors associated with a system is monitored and data from the one or more sensors is arranged as a plurality of modes with each mode being defined by a different condition in which the system may operate. Faulty conditions are identified by monitored data being outside one of the plurality of modes. The use of a plurality of modes enables operation of the system to be defined and tracked more precisely and false alarms may be reduced. At least one of the modes may be established to indicate a particular failure of the system. This failure mode may have a likely cause of the failure associated with it such that diagnosis and repair may be facilitated quickly and easily.
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Citations
14 Claims
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1. A method for monitoring a system, the method comprising:
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monitoring an output data from one or more sensors associated with the system; arranging the output data from the one or more sensors as a plurality of modes, each mode defined by a condition in which the system may operate, wherein the output data is modelled by assigning a fading weight to each output data sample; and identifying faulty conditions by the monitored output data outside one of the plurality of modes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus for monitoring a system, the apparatus comprising:
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at least one controller arranged to monitor an output data of or more sensors associated with a system, the controller configured to at least (i) arrange the output data from one or more sensors as a plurality of modes, wherein each mode is defined by a different condition in which the system may operate and the output data is modelled by assigning a fading weight to each output data sample, and (ii) identify faulty conditions by the monitored output data outside one of the plurality of modes. - View Dependent Claims (14)
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Specification