1. St. Preitl, A.-I. Stînean, R.-E. Precup, C.-A. Dragoş and M.-B. Rădac, “2-DOF and Fuzzy Control Extensions of Symmetrical Optimum Design Method: Applications and Perspectives”, in: Applied Computational Intelligence in Engineering and Information Technology, R.-E. Precup, Sz. Kovács, St. Preitl and E. M. Petriu, Eds., Topics in Intelligent Engineering and Informatics, vol. 1 (Springer-Verlag), pp. 19-37, 2012 (link, link.springer.com).

2. A.-I. Stînean, St. Preitl, R.-E. Precup, C.-A. Dragoş and M.-B. Rădac, “Classical and Fuzzy Approaches to 2-DOF Control Solutions for BLDC-m Drives”, in: Intelligent Systems: Models and Applications, E. Pap, Ed., Topics in Intelligent Engineering and Informatics, vol. 3 (Springer-Verlag), pp. 175-193, 2013 (link, link.springer.com).

3. St. Preitl, R.-E. Precup, Zs. Preitl, A.-I. Stînean, M.-B. Rădac and C.-A. Dragoş, “Control Algorithms for Plants Operating Under Variable Conditions, Applications“, in: Advances in Soft Computing, Intelligent Robotics and Control, J. Fodor and R. Fuller, Eds., Topics in Intelligent Engineering and Informatics, vol. 8 (Springer-Verlag), pp. 3-39, 2014 (link, link.springer.com).

4. St. Preitl, R.-E. Precup, Zs. Preitl, A.-I. Stînean, C.-A. Dragoş and M.-B. Rădac, “Pragmatic Design Methods Using Adaptive Controller Structures for Mechatronic Applications with Variable Parameters and Working Conditions“, in: Complex Systems, G. M. Dimirovski, Ed., Studies in Systems, Decision and Control, vol. 55 (Springer International Publishing), pp. 619-647, 2016 (link, mlink.springer.com).

5.  R.-C. David, R.-E. Precup, St. Preitl, A.-I. Szedlak-Stînean and L.-O. Fedorovici, “Application of grey wolf optimization in fuzzy controller tuning for servo systems“, Chapter 13 in Swarm Intelligence - Volume 2: Innovation, new algorithms and methods, Y. Tan, Ed. (IET Digital Library), pp. 363-387, 2018 (link, digital-library.theiet.org, www2.theiet.org).

6. R.-E. Precup, E.-I. Voişan, R.-C. David, E.-L. Hedrea, E. M. Petriu, R.-C. Roman and A.-I. Szedlak-Stînean, ”Nature-inspired optimization algorithms for path planning and fuzzy tracking control of mobile robots”, in: Applied Optimization and Swarm Intelligence, E. Osaba and X.-S. Yang, Eds., Springer Tracts in Nature-Inspired Computing, Springer, Singapore, pp. 129-148, 2021 (link, link.springer.com).