Design of universal control unit for brushless dc motors

Abstract eng:
The paper presents the design of both power and control electronics used to develop a universal BLDC (brushless DC) motor control unit intended for an aircraft fuel metering pump. The controller allows employing various methods for sensor and sensor-less control including frequency, trapezoidal, sinusoidal and fielding oriented control. The power subsystem provides three power totempole switches as well as a wide range of input and auxiliary circuitry. As needed by the target aircraft industry standards, conclusions of a thorough FMECA analysis of the resulting device are given.

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