The design and enhancement of a testbed for the remote system monitoring interface device technology
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Texas A&M University is developing an information technology-based system that is able to continuously monitor and diagnose faults of electrical motors, based solely on electrical signals available at the motor terminals, such as current and voltage readings. The system relies on developments in advanced signal processing. Such a monitoring system is very cost-effective and it has resulted in the development of "sensorless diagnostics." The monitoring system relies on previously developed algorithms to analyze components of a decomposed electrical signal. The individual signal component information is then used to determine system health and detect early signs of mechanical faults . In this project, an existing test bed is modified to enable Texas A&M researchers to gather and analyze data from multiple electric motors. The test bed system includes a 3-hp motor connected to a dynamic load and a 1-hp motor connected to an inertial load. Accelerometers are used to gather vibration data from the various components and specially designed sensors collect measurements from electrical signals. The modified test bed now provides Texas A&M with a viable research medium that will allow attempts to prove feasibility of implementing continuous data collection of equipment health information from industrial and/or governmental equipment that have a direct or indirect linkage to a common electric power system.
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Turner, Regan Christopher (2003). The design and enhancement of a testbed for the remote system monitoring interface device technology. Texas A&M University. Available electronically from