Torque-maximizing field-weakening control: design, analysis, and parameter selection. - Lennart Harnefors; Kai Pietiläinen; Lars Gertmar (IEEE Trans. Ind. Electron., 2001)

Unified sensorless vector control of synchronous and induction motors. - Lennart Harnefors; Magnus Jansson; Rolf Ottersten; Kai Pietiläinen (IEEE Trans. Ind. Electron., 2003)

DC-Link Stabilization and Voltage Sag Ride-Through of Inverter Drives. - Kai Pietiläinen; Lennart Harnefors; Andreas Petersson; Hans-Peter Nee (IEEE Trans. Ind. Electron., 2006)

Torsional issues related to variable frequency control of elastic drive systems. - Martin Bruha; Miroslav Byrtus; Kai Pietiläinen; Mattia Rossi; Marco Mauri (IECON, 2016)