Nicholas Edward Roddy

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Featured researches published by Nicholas Edward Roddy.

Engineering Applications of Artificial Intelligence | 1999

ICARUS: design and deployment of a case-based reasoning system for locomotive diagnostics

Anil Varma; Nicholas Edward Roddy

Abstract Locomotives, like many complex modern machines, are equipped with the capability to generate on-board fault messages indicating the presence of anomalous conditions. Such messages tend to be generated in large quantities, and are difficult and time consuming to interpret manually. This paper presents the design and development of a case-based reasoning system for diagnosing locomotive faults using such fault messages as input. The process of using historical repair data and expert input for case generation and validation is described. An algorithm for case matching is presented, along with some results on pilot data.

Archive | 1999

Method and system for analyzing fault log data for diagnostics

David Richard Gibson; Nicholas Edward Roddy; Anil Varma

Archive | 2002

Method and system for diagnosing machine malfunctions

Jason A. Dean; Nicholas Edward Roddy

Archive | 2000

Method and apparatus for diagnosing difficult to diagnose faults in a complex system

C. Richard Unkle; Nicholas Edward Roddy

Archive | 1999

Method and system for processing repair data and fault log data to facilitate diagnostics

Anil Varma; Nicholas Edward Roddy

Archive | 2003

Apparatus and method for performance and fault data analysis

Eric H. Hedlund; Nicholas Edward Roddy; David Richard Gibson; Richard Gerald Bliley; James E. Pander; Ashish Puri; Thomas E. O'Camb; Howard Lovelace Ii John

Archive | 1999