Automation system based on SIMATIC S7 300 PLC, for a hydro power plant. - R. Butuza; Ioan Nascu; O. Giurgioiu; Ruben Crisan (AQTR, 2014)

RGA analysis and decentralized control for a wastewater treatment plant. - Ionut Muntean; Roxana Both; Ruben Crisan; Ioan Nascu (ICIT, 2015)

Hierarchical control system for energy savings in wastewater treatment plant. - Ruben Crisan; Gabriel Harja; Ioan Nascu; Ioan Nicoara (AQTR, 2018)

Non-Invasive Control Solution inside Higher-Level OPC UA based Wrapper for Optimizing Groups of Wastewater Systems. - Adrian Korodi; Mihaita-Alin Radu; Ruben Crisan (ETFA, 2018)

Noninvasive control solution for energy efficiency in wastewater treatment plants. - Ruben Crisan; Adrian Korodi (ICIT, 2018)