Professor Olfa Boubaker is Full Professor at the National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Tunisia, and Head of the 'Energy, Robotics, Control and Optimization' Research Laboratory at INSAT. She is a member of the scientific editorial board of the International Journal of Advanced Robotic Systems and Guest Editor for the journals Complexity and Mathematical Problems in Engineering and Regional Editor of the Elsevier Book series Emerging Methodologies and Applications in Modelling, Identification and Control. She is the principal author of two books, and the author/coauthor of over 100 peer-reviewed papers.Professor Rafael Iriarte is Full Professor at the Control & Robotics Department, Electrical Engineering Division of School of Engineering at the National Autonomous University of Mexico (UNAM). He teaches basic control theory and conducts research in variable structure system using sliding mode control theory. He has authored/co-authored two books.