Determining a machine condition
First Claim
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1. A method, comprising:
- receiving a set of load data, for a selected point in time, the load data including data from operation of a machine;
from a first database comprising predefined machine conditions associated to different sets of load data for said machine, selecting a predefined machine condition that is most representative of said received set of load data; and
retrieving, from a set of pre-calculated machine condition values for each of said predefined machine conditions in said first database, a set of machine condition parameter values corresponding to the selected machine condition;
wherein said pre-calculated machine condition values comprise machine condition values based on previously measured load data and machine condition values based on interpolated load data.
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Abstract
A set of load data for a selected point in time and resulting from the machine operation is received. The load data is provided from a first database comprising predefined machine conditions associated to different sets of load data for the machine. One of the predefined machine conditions that is most representative of the received set of load data is selected.
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Citations
19 Claims
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1. A method, comprising:
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receiving a set of load data, for a selected point in time, the load data including data from operation of a machine; from a first database comprising predefined machine conditions associated to different sets of load data for said machine, selecting a predefined machine condition that is most representative of said received set of load data; and retrieving, from a set of pre-calculated machine condition values for each of said predefined machine conditions in said first database, a set of machine condition parameter values corresponding to the selected machine condition; wherein said pre-calculated machine condition values comprise machine condition values based on previously measured load data and machine condition values based on interpolated load data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A system, comprising:
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a first database comprising predefined machine conditions associated to different sets of load data for a machine; wherein said system includes a computer that is programmed to; receive a set of load data, for a selected point in time, resulting from said machine operation; and selecting a predefined machine condition that is most representative of said received set of load data; and retrieving, from a set of pre-calculated machine condition values for each of said predefined machine conditions in said first database, a set of machine condition parameter values corresponding to said selected machine condition; wherein said pre-calculated machine condition values comprise machine condition values based on previously measured load data and machine condition values based on interpolated load data. - View Dependent Claims (18)
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19. A method, comprising:
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receiving a set of load data, for a selected point in time, the load data including data from operation of a machine; from a first database comprising predefined machine conditions that each are associated to different sets of load data for said machine and that further comprises a steady state condition corresponding to each machine condition, each steady state condition being represented by a set of load data performance parameter values, selecting a predefined machine condition that is most representative of said received set of load data; selecting a machine condition most representative of said set of load data and information identifying a machine session; and from a set of pre-calculated machine condition values for each of said predefined machine conditions in said first database, retrieving a set of machine condition parameter values corresponding to said selected machine condition; wherein selecting the predefined machine conditions that is most representative of said received set of load data includes; selecting a machine condition from said first database by matching a subset of said load data with corresponding steady state condition values; defining a subset of steady state conditions comprising said selected steady state condition and a plurality of surrounding steady state conditions based on a tolerance range of at least one parameter value of said subset of load data; calculating the relative differences between each parameter value of said subset of load data and corresponding parameter values for each of said subset of steady state conditions; adding said relative differences together for each steady state condition; and selecting the steady state condition having the smallest total difference.
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Specification