Patents by Inventor Mina Kolagar

Mina Kolagar 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).

  • Patent number: 11199523
    Abstract: A method for monitoring a pantograph. The method includes acquiring an impulse response of the pantograph, extracting a natural frequency and a damping coefficient of the pantograph from the impulse response, obtaining a similarity factor of a plurality of similarity factors, and detecting a fault in the pantograph from the plurality of fault types based on the plurality of the similarity factors. Acquiring an impulse response of the pantograph includes generating the impulse response by tapping the head of the pantograph and recording the impulse response utilizing a recording equipment.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: December 14, 2021
    Assignee: PISHRO EBTEKAR DANESH COMPANY (PED.CO)
    Inventors: Farzad Vesali, Amir Bashari, Mina Kolagar
  • Publication number: 20200001722
    Abstract: A method for monitoring a pantograph. The method includes acquiring an impulse response of the pantograph, extracting a natural frequency and a damping coefficient of the pantograph from the impulse response, obtaining a similarity factor of a plurality of similarity factors, and detecting a fault in the pantograph from the plurality of fault types based on the plurality of the similarity factors. Acquiring an impulse response of the pantograph includes generating the impulse response by tapping the head of the pantograph and recording the impulse response utilizing a recording equipment.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Inventors: Farzad Vesali, Amir Bashari, Mina Kolagar