Engine noise monitoring as engine health management tool
First Claim
Patent Images
1. A method for determining the health of an engine comprising:
- sensing a noise spectrum of the engine;
comparing the noise spectrum of the engine to a plurality of standard noise spectra from engines with known defects stored in a database;
identifying a type and a degree of defect based upon the comparison; and
generating applicable recommended action if one or more defects are identified by a computer system based on a pattern match between the noise spectrum of the engine and one or more of the plurality of standard noise spectra, wherein the computer system generates the applicable recommended action based upon a cost/benefit analysis that is a function of at least a repair cost and a risk of damage to the engine.
1 Assignment
0 Petitions
Accused Products
Abstract
A system and method are provided for determining the health of an engine. The method includes a plurality of standard noise spectra collected from engines with known defects. A noise spectrum of the engine being monitored is sensed and compared to the plurality of standard noise spectra from the engines with known defects. From the comparison, a type and a degree of defect is identified based upon the comparison.
-
Citations
17 Claims
-
1. A method for determining the health of an engine comprising:
-
sensing a noise spectrum of the engine; comparing the noise spectrum of the engine to a plurality of standard noise spectra from engines with known defects stored in a database; identifying a type and a degree of defect based upon the comparison; and generating applicable recommended action if one or more defects are identified by a computer system based on a pattern match between the noise spectrum of the engine and one or more of the plurality of standard noise spectra, wherein the computer system generates the applicable recommended action based upon a cost/benefit analysis that is a function of at least a repair cost and a risk of damage to the engine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A system for monitoring the health of an engine comprising:
-
an acoustic sensor configured to acquire a noise spectrum of the engine; and a computer system including a database having a plurality of stored standard noise spectra from engines with known defects, the computer system configured to receive the acquired noise spectrum of the engine from the acoustic sensor and compare the noise spectrum of the engine to the plurality of standard noise spectra from engines with known defects so as to identify a type and a degree of defect based upon the comparison, the computer system generating a match alert along with an applicable recommended action on a display if one or more defects are identified, wherein the computer system generates the applicable recommended action based upon a cost/benefit analysis that is a function of at least a repair cost and a risk of damage to the engine. - View Dependent Claims (15, 16, 17)
-
-
14. A system for monitoring the health of an engine comprising:
-
an acoustic sensor configured to acquire a noise spectrum of the engine, wherein the acoustic sensor communicates with an aircraft condition monitoring system which identifies the condition of the engine and identifies when data collection from the acoustic sensor and a plurality of other sensors should occur based upon desired engine operating conditions, the aircraft condition monitoring system including a data acquisition system dedicated to the acquisition and real time collection of aircraft data including data from the acoustic sensor and the plurality of other sensors; and a computer system including a database having a plurality of stored standard noise spectra from engines with known defects, the computer system configured to receive the acquired noise spectrum of the engine from the acoustic sensor and compare the noise spectrum of the engine to the plurality of standard noise spectra from engines with known defects so as to identify a type and a degree of defect based upon the comparison, the computer system generating a match alert along with an applicable recommended action on a display if one or more defects are identified, wherein the computer system generates the applicable recommended action based upon a cost/benefit analysis that is a function of at least a repair cost and a risk of damage to the engine.
-
Specification