Patents by Inventor Andre A. Silva

Andre A. Silva has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wavelet-based analysis for fouling diagnosis of an aircraft heat exchanger
    Patent number: 10288548
    Abstract: A method and apparatus for estimating a fouling state of a heat exchanger of an aircraft. Training sensor measurements are obtained of a parameter related to operation of the heat exchanger and a wavelet transform is applied to the training sensor measurements to obtain wavelet data. Data reduction is performed on the wavelet data to obtain representative features indicative of the training sensor measurements. A classifier is then trained to assign suitable fouling classes to the representative features. The trained classifier is used on testing sensor measurements from the heat exchanger to assign a fouling class to the testing sensor measurements in order to estimate the fouling state of the heat exchanger.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: May 14, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Andre A. Silva, Nayeff A. Najjar, Shalabh Gupta, Paul M. D'Orlando, Rhonda Dawn Walthall
  • WAVELET-BASED ANALYSIS FOR FOULING DIAGNOSIS OF AN AIRCRAFT HEAT EXCHANGER
    Publication number: 20160305865
    Abstract: A method and apparatus for estimating a fouling state of a heat exchanger of an aircraft. Training sensor measurements are obtained of a parameter related to operation of the heat exchanger and a wavelet transform is applied to the training sensor measurements to obtain wavelet data. Data reduction is performed on the wavelet data to obtain representative features indicative of the training sensor measurements. A classifier is then trained to assign suitable fouling classes to the representative features. The trained classifier is used on testing sensor measurements from the heat exchanger to assign a fouling class to the testing sensor measurements in order to estimate the fouling state of the heat exchanger.
    Type: Application
    Filed: April 17, 2015
    Publication date: October 20, 2016
    Inventors: Andre A. Silva, Nayeff A. Najjar, Shalabh Gupta, Paul M. D'Orlando, Rhonda Dawn Walthall