Determination of remaining useful life of gas turbine blade
First Claim
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1. A system for indicating a need for replacement of a vibrating structure comprising:
- a sensor arranged to sense a frequency of vibration of the vibrating structure;
an indicator that is controlled to provide an indication of the need for replacement of the vibrating structure; and
,a processor that compares the frequency of vibration of the vibrating structure to data that relates the vibration frequency of the vibrating structure to fatigue damage of the vibrating structure and to control the indicator based on the comparison.
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Abstract
A system may be used to indicate a need for replacement of a vibrating structure and includes a sensor, an indicator, and a processor. The sensor senses a frequency of vibration of the vibrating structure. The indicator is controlled to provide an indication of the need for replacement of the vibrating structure. The processor compares the frequency of vibration of the vibrating structure to data that relates the vibration frequency of the vibrating structure to fatigue damage of the vibrating structure, and controls the indicator based on the comparison.
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Citations
24 Claims
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1. A system for indicating a need for replacement of a vibrating structure comprising:
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a sensor arranged to sense a frequency of vibration of the vibrating structure; an indicator that is controlled to provide an indication of the need for replacement of the vibrating structure; and
,a processor that compares the frequency of vibration of the vibrating structure to data that relates the vibration frequency of the vibrating structure to fatigue damage of the vibrating structure and to control the indicator based on the comparison. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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generating a model of a vibrating structure; generating a fatigue damage model for the vibrating structure; modifying the model of the vibrating structure based on the fatigue damage model; determining from the modified model at least one frequency of vibration that corresponds to a predetermined amount of fatigue damage; and
,storing the at least one frequency of vibration in a memory of a system to be used to provide a notification of when the vibrating structure should be replaced. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer implemented method comprising:
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generating a model of a vibrating structure; generating a fatigue damage model for the vibrating structure; modifying the model of the vibrating structure based on the fatigue damage model; and
,determining from the modified model at least one frequency of vibration that corresponds to a predetermined amount of fatigue damage. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification