This paper presents boundary observer design for state-of-charge (SOC) estimation of lithium-ion batteries. The lithium-ion battery dynamics are governed by thermal-electrochemical principles, which mathematically modeled by partial differential equations (PDEs). In general, the model is a reaction-diffusion equation with time-dependent coefficients. A Luenberger observer is developed using infinite-dimensional backstepping method and uses only a single measurement at the boundary of the battery. The observer gains are computed by solving the observer kernel equation. A numerical example is performed to show the applicability of the design.
|Status||Udgivet - 2017|
|Begivenhed||4th International Conference on Power and Energy Systems Engineering - Berlin, Tyskland|
Varighed: 25. sep. 2017 → 29. sep. 2017
|Konference||4th International Conference on Power and Energy Systems Engineering|
|Periode||25/09/2017 → 29/09/2017|