Discrete-time model of an IPMSM based on variational integrators
A. Specht, S. Ober-Blöbaum, O. Wallscheid, C. Romaus, J. Böcker, in: Electric Machines &; Drives Conference (IEMDC), 2013 IEEE International, 2013, pp. 1411–1417.

A precise open-loop torque control for an interior permanent magnet synchronous motor (IPMSM) considering iron losses
W. Peters, O. Wallscheid, J. Böcker, in: IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society, 2012, pp. 2877–2882.

Optimierte Regelung für mobile Elektromotoren
O. Wallscheid, W. Peters, J. Böcker, Aktuelle Technik 5 (2011) 30–33.

Current controller with defined dynamic behavior for an interior permanent magnet synchronous motor
W. Peters, O. Wallscheid, J. Böcker, in: IECON 2011-37th Annual Conference of the IEEE Industrial Electronics Society, 2011, pp. 534–538.