**Oscar Reinoso \* and Luis Payá \***

Department of Systems Engineering and Automation, Miguel Hernández University, 03202 Elche (Alicante), Spain

**\*** Correspondence: o.reinoso@umh.es (O.R.); lpaya@umh.es (L.P.)

Received: 4 February 2020; Accepted: 5 February 2020; Published: 15 February 2020
