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N. Hvala
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Journal Articles

The application of model predictive control of ammonia nitrogen in an activated sludge process

D. Vrečko, N. Hvala, M. Stražar
Water Sci Technol (2011) 64 (5): 1115-1121.
DOI: https://doi.org/10.2166/wst.2011.477
Date Online: 01 September 2011
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Journal Articles

Improving oxygen concentration control in activated sludge process with estimation of respiration and scheduling control

S. Gerkšič, D. Vrečko, N. Hvala
Water Sci Technol (2006) 53 (4-5): 283-291.
DOI: https://doi.org/10.2166/wst.2006.133
Date Online: 01 February 2006
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Journal Articles

Feedforward-feedback control of an activated sludge process: a simulation study

D. Vrečko, N. Hvala, B. Carlsson
Water Sci Technol (2003) 47 (12): 19-26.
DOI: https://doi.org/10.2166/wst.2003.0623
Date Online: 01 June 2003
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Journal Articles

Simulation study supporting wastewater treatment plant upgrading

N. Hvala, D. Vrečko, O. Burica, M. Strazžar, M. Levstek
Water Sci Technol (2002) 46 (4-5): 325-332.
DOI: https://doi.org/10.2166/wst.2002.0617
Date Online: 01 August 2002
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Journal Articles

Wastewater treatment benchmark: what can be achieved with simple control?

D. Vrečko, N. Hvala, J. Kocijan
Water Sci Technol (2002) 45 (4-5): 127-134.
DOI: https://doi.org/10.2166/wst.2002.0568
Date Online: 01 February 2002
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Journal Articles

System analysis for optimal control of a wastewater treatment benchmark

D. Vrečko, N. Hvala, J. Kocijan, M. Zec
Water Sci Technol (2001) 43 (7): 199-206.
DOI: https://doi.org/10.2166/wst.2001.0424
Date Online: 01 April 2001
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