1. Iterative feedback tuning for internal model controllers;Bruyne;Control Engineering Practice,2003
2. Virtual reference feedback tuning (VRFT): a direct method for the design of feedback controllers;Campi;Automatica,2002
3. Gama, F., Martins, J.C., Miranda, T., Tome, W.F., and Fernandes, M. (2013). Speed and current control of a permanent-magnet dc servo motor using a real-time microcontroller. In 10th International Conference on Electrical Engineering, Computing Science and Automatic Control (CCE).
4. Iterative feedback tuning -an review;Hjalmarsson;International Journal of Adaptive Control and Signal Processing,2002
5. Iterative feedback tuning: Theory and applications;Hjalmarsson;IEEE Control Systems Magazine,1998