Michael Roth is a PhD student at the Division of Automatic Control, Department of Electrical Engineering, Linköping University since November 2010. He received his academic degree (Diplom-Ingenieur) in electrical engineering with a focus on automatic control from Technische Universität Berlin, Germany. In 2009, he visited the Scottish Centre for Innovation in Spinal Cord Injury where he was working on the application of system identification algorithms in spinal cord research. Michael's research interest include (non-linear) state estimation and smoothing, and selected topics in system identification and control.