A linearization free recursive prediction error method for combined state and parameter estimation for nonlinear systems. - Qi Zhao 004; Christian Bohn (ACC, 2013)

Estimation of fuel properties in a common rail injection system by unscented kaiman filtering. - Remko Baur; Qi Zhao 004; Jan Peter Blath; Franz Kallage; Matthias Schultalbers; Christian Bohn (CCA, 2014)