MPC advanced control of dissolved oxygen in an activated sludge wastewater treatment plant. - Gabriel Harja; Grigore Vlad; Ioan Nascu (AQTR, 2016)

Improvements in Dissolved Oxygen Control of an Activated Sludge Wastewater Treatment Process. - Gabriel Harja; Ioana Nascu; Cristina I. Muresan; Ioan Nascu (Circuits Syst. Signal Process., 2016)

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

Autonomous Maze Solving Robot. - Rares Covaci; Gabriel Harja; Ioan Nascu (AQTR, 2020)

Advanced control for nitrogen removal of an intermittently operated ASWWTP. - Gabriel Harja; Ioan Nascu (AQTR, 2020)

Advanced Rubik's Cube Algorithmic Solver. - Vasile Dan; Gabriel Harja; Ioan Nascu (ICARA, 2021)

Long-Range Network of Air Quality Index Sensors in an Urban Area. - Ionut Marian Dobra; Vladut Alexandru Dobra; Adina-Alexandra Dobra; Gabriel Harja; Silviu Folea; Vlad Dacian Gavra (Sensors, 2023)

Lightweight Hardware in the Loop Setup for Research and Rapid Prototyping. - Attila Medgyesi; Gabriel Harja (AQTR, 2024)

Alternating Aeration Control And Optimization In Activated Sludge Processes. - Ioana Nascu; Gabriel Harja; Mihai Stanese; Ioan Nascu (AQTR, 2024)