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A system consisting of an internal combustion engine (ICE) and an electric generator, as used in serial electric hybrid vehicles (EHV) or range-extended electric vehicles, is considered in this paper. The use of a torque controlled generator provides an additional actuating variable for the control of the ICE. In this way, the power of the ICE can be controlled without using throttle actuator while...
A system consisting of an internal combustion engine (ICE) directly coupled to a permanent magnet synchronous machine (PMSM) is considered, which can be used as a range extender in hybrid electric vehicles (HEV) or as a power unit. For control of both, the synchronous machine and the engine, it is necessary to know the position of the rotor / crankshaft. Instead of using a position sensor, the position...
PMSM machines with concentrated windings have become more and more popular over the last years. The biggest drawbacks of these machines are high cogging torque and the form of the back EMF. Standard approaches try to shape the back EMF sinusoidal to use standard field orientated control. In the following paper an approach is shown to shape the EMF by using derivative free minimization. Using this...
The cogging torque in PM syncrhonous machines can be reduced by taking measures in the design of the machine or by means of the control system of the drive. For compensating the cogging torque through control, it is required to accurately know the position of the rotor. Consequently, the implementation of such a method using a sensorless estimated position is very difficult. In the present paper,...
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