António M Lopes Editor & Author

J. Tenreiro-Machado is a Coordinator Professor with Habilitation at the Polytechnic Institute of Porto, Portugal, where his research interests are in the areas of fractional-order systems, complex systems, nonlinear dynamics, modelling, control, evolutionary computing, signal processing, finance and economy mathematical analysis, biology, and robotics. António M. Lopes is Assistant Professor at the University of Porto, Portugal, where his R&D interests are in the areas of complex systems, nonlinear dynamics, automation, robotics, control, fractional calculus and simulation. Duarte Valério is Assistant Professor at Instituto Superior Técnico - University of Lisbon, where he works in the field of control engineering, studying fractional control and fractional dynamic systems, wave energy conversion, distributed systems and bioengineering applications. Alexandra M. Galhano is a Coordinator Professor at the Polytechnic Institute of Porto, Portugal, where her research interests are in the areas of modelling, control, and simulation.