Methods and systems for analyzing engine unbalance conditions
First Claim
1. A system of analyzing an engine unbalance condition, composing:
- at least one sensor for collecting vibration sensed data;
a processor adapted for receiving, analyzing, and extracting diagnostic information from the sensed data, the diagnostic information including an unbalance magnitude and an angular location as a function of a rotational frequency of the engine;
data link for linking the diagnostic information; and
a neural network adapted to receive and analyze the diagnostic information from the data link,wherein the status of engine unbalance is determined and presented by the neural network.
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Abstract
Methods and systems for analyzing engine unbalance conditions are disclosed. In one embodiment, a method includes receiving vibrational data from a plurality of locations distributed over an engine and a surrounding engine support structure, and inputting the vibrational data into a neural network inverse model. The neural network inverse model establishes a relationship between the vibrational data and an unbalance condition of the engine, and outputs diagnostic information indicating the unbalance condition of the engine. In a further embodiment, a method further includes subjecting the vibrational data to a Fast Fourier Transformation to extract a desired once per revolution vibrational data prior to input to the neural network inverse model.
61 Citations
18 Claims
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1. A system of analyzing an engine unbalance condition, composing:
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at least one sensor for collecting vibration sensed data; a processor adapted for receiving, analyzing, and extracting diagnostic information from the sensed data, the diagnostic information including an unbalance magnitude and an angular location as a function of a rotational frequency of the engine; data link for linking the diagnostic information; and a neural network adapted to receive and analyze the diagnostic information from the data link, wherein the status of engine unbalance is determined and presented by the neural network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A system of analyzing an engine unbalance condition, comprising:
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means for collecting vibration sensed data; means for receiving, analyzing, and extracting diagnostic information from the sensed data, the diagnostic information including an unbalance magnitude and an angular location as a function of a rotational frequency of the engine; means for data linking the diagnostic information;
andmeans for receiving and analyzing the data linked diagnostic information, wherein the status of engine unbalance is determined. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification