Reliability-aware Control of Power Converters in Mobility Applications
CoRR(2023)
摘要
This paper introduces an automatic control method designed to enhance the
operation of electric vehicles, besides the speed tracking objectives, by
including reliability and lifetime requirements. The research considers an
automotive power converter which supplies electric power to a permanent magnet
synchronous motor (PMSM). The primary control objective is to mitigate the
thermal stress on the power electronic Insulate Gate Bipolar Transistors
(IGBTs), while simultaneously ensuring effective speed tracking performance. To
achieve these goals, we propose an extended H-inf design framework, which
includes reliability models. The method is tested in two distinct scenarios:
reliability-aware, and reliability-free cases. Furthermore, the paper conducts
a lifetime analysis of the IGBTs, leveraging the Rainflow algorithm and
temperature data.
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