Patents by Inventor Murugananth Muthuramalingam

Murugananth Muthuramalingam 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).

  • Soft error aggregation method for detection and reporting of risks in a safety instrumented system
    Patent number: 11880268
    Abstract: A method for managing soft errors associated with one or more safety programmable logic controllers (PLCs) is provided. The method includes receiving an expected soft error rate for type(s) of input/output (I/O) modules over time, receiving respective soft error data that was aggregated by the respective safety PLCs based on soft errors detected by I/O modules coupled to the respective safety PLCs. Actual soft error rates are determined per I/O module type based on the received soft error data, and soft error rates are predicted for the safety PLC(s) per I/O module type. The actual and/or predicted soft error rates are compared to the expected soft error rate per I/O module type. The method further includes taking one or more actions in response to a threshold deviation between the actual and/or predicted soft error rates relative to the expected soft error rate for the corresponding I/O module type.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: January 23, 2024
    Assignee: Schneider Electric Systems USA, Inc.
    Inventors: Ajay Mishra, Murugananth Muthuramalingam, Diana Ivanov, Erna Banchik
  • SOFT ERROR AGGREGATION METHOD FOR DETECTION AND REPORTING OF RISKS IN A SAFETY INSTRUMENTED SYSTEM
    Publication number: 20230185648
    Abstract: A method for managing soft errors associated with one or more safety programmable logic controllers (PLCs) is provided. The method includes receiving an expected soft error rate for type(s) of input/output (I/O) modules over time, receiving respective soft error data that was aggregated by the respective safety PLCs based on soft errors detected by I/O modules coupled to the respective safety PLCs. Actual soft error rates are determined per I/O module type based on the received soft error data, and soft error rates are predicted for the safety PLC(s) per I/O module type. The actual and/or predicted soft error rates are compared to the expected soft error rate per I/O module type. The method further includes taking one or more actions in response to a threshold deviation between the actual and/or predicted soft error rates relative to the expected soft error rate for the corresponding I/O module type.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 15, 2023
    Applicant: Schneider Electric Systems USA, Inc.
    Inventors: Ajay Mishra, Murugananth Muthuramalingam, Diana Ivanov, Erna Banchik