Bengt Carlsson
Professor emeritus at Institutionen för informationsteknologi; Systemteknik
- Telephone:
- +46 18 471 31 19
- Mobile phone:
- +46 70 627 45 90
- E-mail:
- bengt.j.carlsson@uu.se
- Visiting address:
- Hus 10, Lägerhyddsvägen 1
- Postal address:
- Box 337
751 05 UPPSALA
- Academic merits:
- PhD, Docent, Excellent Teacher
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Keywords
- automatic control
- energy efficiency
- sustainable development
- system identification
- wastewater engineering
Publications
Recent publications
- To calibrate or not to calibrate, that is the question (2023)
- On keeping the average of an effluent concentration below a limit (2022)
- Process Monitoring And Fault Detection Using A Soft Sensor For The Return Activated Sludge Flow Rate (2022)
- The story of Gustaf – from the early days to his emeritus adventures (2022)
- Bias detectability during sensor validation with grab samples (2022)
All publications
Articles
- To calibrate or not to calibrate, that is the question (2023)
- Model-based monitoring of diffuser fouling using standard sensors (2021)
- Sensor bias impact on efficient aeration control during diurnal load variations (2021)
- Combined L2-stable feedback and feedforward aeration control in a wastewater treatment plant (2020)
- Dynamic nonlinear partial least squares modeling using Gaussian process regression (2019)
- Automated active fault detection in fouled dissolved oxygen sensors (2019)
- Machine learning techniques for monitoring the sludge profile in a secondary settler tank (2019)
- Analysis of photobioreactors in series (2018)
- Fault signatures and bias progression in dissolved oxygen sensors (2018)
- Steady-state analyses of activated sludge processes with plug-flow reactor (2017)
- Gaussian process regression for monitoring and fault detection of wastewater treatment processes (2017)
- Fault detection and isolation of sensors in aeration control systems (2016)
- Steady-state analysis of activated sludge processes with a settler model including sludge compression (2016)
- A simple model for algae-bacteria interaction in photo-bioreactors (2016)
- Robust tuning of bending-points detection algorithms in batch-operated processes (2015)
- Optimal steady-state design of zone volumes of bioreactors with Monod growth kinetics (2015)
- Approximate adjoint-based iterative learning control (2014)
- Instrumentation, control and automation in wastewater – from London 1973 to Narbonne 2013 (2014)
- Extremum seeking control of the CANON process (2014)
- Lessons learnt from evaluating full-scale ammonium feedback control in three large wastewater treatment plants (2014)
- The optimal dissolved oxygen profile in a nitrifying activated sludge process (2013)
- Aeration control (2013)
- Optimal aeration control in a nitrifying activated sludge process (2012)
- Initialization of a nonlinear identification algorithm applied to laboratory plant data (2008)
- Cost-Efficient Operation of a Denitrifying Activated Sludge Process (2007)
- Interaction analysis and control structure selection in a wastewater treatment plant model (2005)
- An integrating linearization method for Hammerstein models (2005)
- Adaptive control of the nitrate level in an activated sludge process (2003)
- Feedforward-Feedback Control of an Activated Sludge Process: a simulation study (2003)
- Control of an activatedsludge process with nutrient removal - A benchmark study (2002)
- Control of the aeration volume in an activated sludge process for nitrogen removal (2002)
- Estimation of continuous-time AR process parameters from discrete-time data (1999)
- Least squares parameter estimation of continuous-time ARX models from discrete-time data (1997)
- Integration of wastewater treatment plant design and operation - A systematic approach using cost functions (1996)
- Monitoring diffuser fouling with grey-box modelling
- Practicability of mass balance-based data reconciliation for process rate monitoring in water resource recovery facilities
Chapters
Conferences
- On keeping the average of an effluent concentration below a limit (2022)
- Process Monitoring And Fault Detection Using A Soft Sensor For The Return Activated Sludge Flow Rate (2022)
- Bias detectability during sensor validation with grab samples (2022)
- Steady-state data reconciliation of a dynamic process (2019)
- Sensor bias impact on controlling daily variations in wastewater loads (2019)
- Sensor bias impact on controlling daily variations in wastewater loads (2019)
- Automated active fault detection in fouled dissolved oxygen sensors (2019)
- Input–output stability design of an ammonium based aeration controller for wastewater treatment (2018)
- Non-linear modelling of the dissolved oxygen to ammonium dynamics in a nitrifying activated sludge process (2017)
- Nonlinear system identification of the dissolved oxygen to effluent ammonia dynamics in an activated sludge process (2017)
- Monitoring fouling on dissolved oxygen sensors in WRRFs with active fault detection (2017)
- Algae Based Wastewater Treatment Model Using The RWQM1 (2016)
- A simplified model of an activated sludge process with a plug-flow reactor (2016)
- Monitoring a secondary settler using Gaussian mixture models (2016)
- Analyses of Activated Sludge Processes Consisting of a Plug-Flow Reactor and a Non-ideal Settler (2015)
- Binary classifiers applied to detect DO sensor faults during washing events (2015)
- Steady-state Analysis and Design of Activated Sludge Processes Including Compressive Settling (2015)
- Detecting anomalous air flow-ammonia load ratios, using Gaussian process regression (2015)
- Fault detection of DO sensors subject to possible clogging (2015)
- Gaussian process regression for monitoring a secondary settler (2015)
- Analysis of simple bioreactor models (2014)
- Fault detection and isolation of sensors in aeration control systems (2014)
- Application of machine learning methods for fault detection in wastewater treatment plants (2014)
- NOx control for SCR systems using feedback linearisation (2014)
- Optimizing zone volumes in bioreactors described by Monod and Contois growth kinetics (2014)
- Steady-state analysis of simple activated sludge processes with Monod and Contois growth kinetics (2014)
- DIAMOND (2013)
- Increasing the number of DO sensors for aeration control in wastewater treatment (2013)
- Instrumentation, Control and Automation in wastewater—from London 1973 to Narbonne 2013 (2013)
- Fault detection of sensors in aeration control systems (2013)
- Parameter scheduling in ammonium feedback control (2013)
- Long-term evaluation of full-scale ammonium control in three large WWTPs (2013)
- Multiple-model approach for identification and control of a Selective Catalytic Reduction system (2012)
- Energy efficient ammonium feedback control (2012)
- Benchmark simulation model no. 1 with a wireless sensor network for monitoring and control (2011)
- Nonlinear black box identification of a selective catalytic reduction system (2011)
- Identification of a discrete-time nonlinear Hammerstein-Wiener model for a selective catalytic reduction system (2011)
- Applications of repetitive control in activated sludge processes (2011)
- Resource efficient operation of a class of wastewater treatment processes (2010)
- Iterative Learning Control and Recursive Identification (2010)
- Learning control applied to continuous wastewater treatment systems (2010)
- A regional Swedish consortium for research and education (2010)
- A new input/output pairing strategy based on linear quadratic Gaussian control (2009)
- Kalman filtering for black-box identification of nonlinear ODE models (2006)
- Applications of Coupling Analysis on Bioreactor Models (2005)
- Linearization of Static Input Nonlinearities (2004)
- Adaptive control of the external carbon flow rate in an activated sludge process (2002)
- Feedforward-feedback control of an activated sludge process - A simulation study (2002)
- Continuous-time AR process parameter estimation from discrete-time data (1998)
- Aspekter på identifiering av lineära tidskontinuerliga system (1998)
- On the use of quantized λ-sensor measurements in recursive identification of air–fuel mixing dynamics (1998)
- Some approaches on how to use the delta operator when identifying continuous-time processes (1997)
- A bias-compensation scheme for estimating continuous time AR process parameterse (1997)
- Can a least-squares fit be feasible for modelling continuous-time autoregressive processes from discrete-time data? (1995)
- On-line identification of the dissolved oxygen dynamics in an activated sludge process (1993)
Reports
- Nonlinear system identification of the dissolved oxygen to effluent ammonium dynamics in an activated sludge process (2018)
- Benchmark simulation model no. 1 with a wireless sensor network for monitoring and control (2011)
- New Input/Output Pairing Strategies based on Minimum Variance Control and Linear Quadratic Gaussian Control (2009)
- Cost-Efficient Operation of a Denitrifying Activated Sludge Process - An Initial Study (2005)
- Integrating Linearization Method for Static Input Nonlinearities. (2004)
- Analysis of the input-output couplings in a wastewater treatment plant model (2004)
- Bias-compensation of least-squares estimates of continuous time AR process parameters (1997)
- On-line estimation of air–fuel mixing dynamics using nonlinear λ-sensor measurements (1996)
- When is a least-squares fit feasible for modelling continuous-time autoregressive processes from discrete-time data? (1995)
- On-line identification of the dissolved oxygen dynamics in an activated sludge process (1992)
- Digital differentiating filters (1987)