Sliding mode control applied to the power converters in railway applications | BEAMS

Sliding mode control applied to the power converters in railway applications

PhD information
Status: 
Running
Research unit: 
Embedded electronics
Research theme: 
Electronics control/command of electrical motors and power converters
BEAMS supervisors
Promoter

Sliding mode control is well adapted to power converter, because of their switching behaviour. However, generally, the sliding mode control applied to DC-DC converters is used to control the current in an inductor. Indeed, it is usually a good choice: the sliding mode appears on the all operating range and the remaining dynamic is stable. Unfortunately, the objective is to control the output capacitor voltage, hence a slower voltage control loop has to be added. This means that the sliding mode loop only indirectly controls the output voltage.

This thesis' purpose is to develop a direct sliding mode control of the boost converter in which a sliding mode loop controls a combination of the input current and the output voltage which means that our control can react rapidly to both current and voltage perturbations.

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