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Robust control for electric vehicle powertrains
JohannesBUERGER,JamesANDERSON
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(BMW Group, Munich, Germany)
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DOI:https://doi.org/10.1007/s11768-019-8279-2
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Robust control for electric vehicle powertrains
Johannes BUERGER,James ANDERSON
(BMW Group, Munich, Germany;Department of Computing and Mathematical Sciences, the California Institute of Technology, Pasadena, U.S.A.)
Abstract:
This paper considers the application of robust control methods ($\mu$- and ${\rm H}_{\infty}$-synthesis) to the speed and acceleration control problem encountered in electric vehicle powertrains. To this end, we consider a two degree of freedom control structure with a reference model. The underlying powertrain model is derived and combined into the corresponding interconnected system required for $\mu$- and ${\rm H}_{\infty}$-synthesis. The closed-loop performance of the resulting controllers are compared in a detailed simulation analysis that includes nonlinear effects. It is observed that the $\mu$-controller offers performance advantages in particular for the acceleration control problem, but at the price of a high-order controller.
Key words:  Automotive control, electric vehicle powertrains, robust control