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Date of Award
Master of Science in Electrical Engineering (MS)
College, School or Department Name
Department of Electrical and Computer Engineering
Wayne W. Weaver
When a single brush-less dc motor is fed by an inverter with a sensor-less algorithm embedded in the switching controller, the system exhibits a linear and stable output in terms of the speed and torque. However, with two motors modulated by the same inverter, the system is unstable and rendered useless for a steady application, unless provided with some resistive damping on the supply lines. The project discusses and analysis the stability of such a system through simulations and hardware demonstrations and also will discuss a method to derive the values of these damping.
Varghese, Sonu Mathews, "Stability analysis of a mono inverter dual sensorless motors system", Master's report, Michigan Technological University, 2012.