Hierarchical dissolved oxygen control for activated sludge processes R Piotrowski, MA Brdys, K Konarczak, K Duzinkiewicz, W Chotkowski Control Engineering Practice 16 (1), 114-131, 2008 | 140 | 2008 |

Genetic hybrid predictive controller for optimized dissolved-oxygen tracking at lower control level K Duzinkiewicz, MA Brdys, W Kurek, R Piotrowski IEEE Transactions on Control Systems Technology 17 (5), 1183-1192, 2009 | 55 | 2009 |

Fractional neutron point kinetics equations for nuclear reactor dynamics–numerical solution investigations TK Nowak, K Duzinkiewicz, R Piotrowski Annals of Nuclear Energy 73, 317-329, 2014 | 39 | 2014 |

Numerical solution analysis of fractional point kinetics and heat exchange in nuclear reactor TK Nowak, K Duzinkiewicz, R Piotrowski Nuclear Engineering and Design 281, 121-130, 2015 | 36 | 2015 |

Two-phase optimizing approach to design assessments of long distance heat transportation for CHP systems P Hirsch, K Duzinkiewicz, M Grochowski, R Piotrowski Applied energy 182, 164-176, 2016 | 29 | 2016 |

Two‐Level Multivariable Control System of Dissolved Oxygen Tracking and Aeration System for Activated Sludge Processes R Piotrowski Water Environment Research 87 (1), 3-13, 2015 | 29 | 2015 |

Nonlinear fuzzy control system for dissolved oxygen with aeration system in sequencing batch reactor R Piotrowski, A Skiba Information Technology and Control 44 (2), 182-195, 2015 | 28 | 2015 |

Nonlinear PI control for dissolved oxygen tracking at wastewater treatment plant Y Han, MA Brdys, R Piotrowski IFAC Proceedings Volumes 41 (2), 13587-13592, 2008 | 26 | 2008 |

Improving SBR performance alongside with cost reduction through optimizing biological processes and dissolved oxygen concentration trajectory R Piotrowski, A Paul, M Lewandowski Applied Sciences 9 (11), 2268, 2019 | 25 | 2019 |

A model-based improved control of dissolved oxygen concentration in sequencing wastewater batch reactor K Błaszkiewicz, R Piotrowski, K Duzinkiewicz Studies in Informatics and Control 23 (4), 323-332, 2014 | 25 | 2014 |

Mixed integer nonlinear optimization of biological processes in wastewater sequencing batch reactor R Piotrowski, M Lewandowski, A Paul Journal of Process Control 84, 89-100, 2019 | 21 | 2019 |

Numerical solution of fractional neutron point kinetics model in nuclear reactor TK Nowak, K Duzinkiewicz, R Piotrowski Archives of Control Sciences 24 (2), 2014 | 20 | 2014 |

Modelling and identification of aeration systems for model predictive control of dissolved oxygen – Swarzewo wastewater treatment plant case study W Krawczyk, R Piotrowski, MA Brdys, W Chotkowski Proc. of the 10th IFAC Symposium on Computer Applications in Biotechnology …, 2007 | 20 | 2007 |

Analysis the parameters of the adaptive controller for quality control of dissolved oxygen concentration R Piotrowski, K Błaszkiewicz, K Duzinkiewicz Information Technology and Control 45, 42-51, 2016 | 19 | 2016 |

Novel hierarchical nonlinear control algorithm to improve dissolved oxygen control in biological WWTP R Piotrowski, H Sawicki, K Żuk Journal of Process Control 105, 78-87, 2021 | 18 | 2021 |

Dissolved oxygen tracking and control of blowers at fast time scale R Piotrowski, K Duzinkiewicz, MA Brdys IFAC Proceedings Volumes 37 (11), 281-287, 2004 | 16 | 2004 |

Two-level dissolved oxygen control for activated sludge processes MA Brdys, W Chotkowski, K Duzinkiewicz, K Konarczak, R Piotrowski IFAC Proceedings Volumes 35 (1), 467-472, 2002 | 16 | 2002 |

Supervisory fuzzy control system for biological processes in sequencing wastewater batch reactor R Piotrowski Urban Water Journal 17 (4), 325-332, 2020 | 14 | 2020 |

Supervisory Control System for Adaptive Phase and Work Cycle Management of Sequencing Wastewater Treatment Plant P Hirsch, R Piotrowski, K Duzinkiewicz, M Grochowski Studies in Informatics and Control, 153-162, 2016 | 14 | 2016 |

Designing control strategies of aeration system in biological WWTP R Piotrowski, T Ujazdowski Energies 13 (14), 3619, 2020 | 13 | 2020 |