Bengt Carlsson
Professor emeritus at Department of Information Technology; Division of Systems and Control
- Mobile phone:
- +46 70 627 45 90
- E-mail:
- bengt.carlsson@it.uu.se
- Visiting address:
- Hus 10, Regementsvägen 10
- Postal address:
- Box 337
751 05 UPPSALA
- Academic merits:
- PhD, Docent, Excellent Teacher
Keywords
- energy efficiency
- automatic control
- system identification
- sustainable development
- wastewater engineering
Publications
Recent publications
Part of Water Research, 2025
- DOI for Using a hybrid modelling approach for high time-resolution prediction of influent orthophosphate load in a water resource recovery facility
- Download full text (pdf) of Using a hybrid modelling approach for high time-resolution prediction of influent orthophosphate load in a water resource recovery facility
Soft sensor for the dry solid content in thickened primary sludge
Part of Water Science and Technology, p. 1946-1956, 2024
- DOI for Soft sensor for the dry solid content in thickened primary sludge
- Download full text (pdf) of Soft sensor for the dry solid content in thickened primary sludge
Automated data transfer for digital twin applications: Two case studies
Part of Water environment research, 2024
- DOI for Automated data transfer for digital twin applications: Two case studies
- Download full text (pdf) of Automated data transfer for digital twin applications: Two case studies
To calibrate or not to calibrate, that is the question
Part of Water Research, 2023
- DOI for To calibrate or not to calibrate, that is the question
- Download full text (pdf) of To calibrate or not to calibrate, that is the question
Process Monitoring And Fault Detection Using A Soft Sensor For The Return Activated Sludge Flow Rate
2022
All publications
Articles in journal
Part of Water Research, 2025
- DOI for Using a hybrid modelling approach for high time-resolution prediction of influent orthophosphate load in a water resource recovery facility
- Download full text (pdf) of Using a hybrid modelling approach for high time-resolution prediction of influent orthophosphate load in a water resource recovery facility
Soft sensor for the dry solid content in thickened primary sludge
Part of Water Science and Technology, p. 1946-1956, 2024
- DOI for Soft sensor for the dry solid content in thickened primary sludge
- Download full text (pdf) of Soft sensor for the dry solid content in thickened primary sludge
Automated data transfer for digital twin applications: Two case studies
Part of Water environment research, 2024
- DOI for Automated data transfer for digital twin applications: Two case studies
- Download full text (pdf) of Automated data transfer for digital twin applications: Two case studies
To calibrate or not to calibrate, that is the question
Part of Water Research, 2023
- DOI for To calibrate or not to calibrate, that is the question
- Download full text (pdf) of To calibrate or not to calibrate, that is the question
Model-based monitoring of diffuser fouling using standard sensors
Part of WATER RESEARCH X, 2021
- DOI for Model-based monitoring of diffuser fouling using standard sensors
- Download full text (pdf) of Model-based monitoring of diffuser fouling using standard sensors
Sensor bias impact on efficient aeration control during diurnal load variations
Part of Water Science and Technology, p. 1335-1346, 2021
- DOI for Sensor bias impact on efficient aeration control during diurnal load variations
- Download full text (pdf) of Sensor bias impact on efficient aeration control during diurnal load variations
Combined L2-stable feedback and feedforward aeration control in a wastewater treatment plant
Part of IEEE Transactions on Control Systems Technology, p. 1017-1024, 2020
Machine learning techniques for monitoring the sludge profile in a secondary settler tank
Part of Applied water science, 2019
Automated active fault detection in fouled dissolved oxygen sensors
Part of Water Research, 2019
Dynamic nonlinear partial least squares modeling using Gaussian process regression
Part of Industrial & Engineering Chemistry Research, p. 16676-16686, 2019
Analysis of photobioreactors in series
Part of Mathematical Biosciences, p. 107-118, 2018
Fault signatures and bias progression in dissolved oxygen sensors
Part of Water Science and Technology, p. 1034-1044, 2018
- DOI for Fault signatures and bias progression in dissolved oxygen sensors
- Download full text (pdf) of Fault signatures and bias progression in dissolved oxygen sensors
Gaussian process regression for monitoring and fault detection of wastewater treatment processes
Part of Water Science and Technology, p. 2952-2963, 2017
Steady-state analyses of activated sludge processes with plug-flow reactor
Part of Journal of Environmental Chemical Engineering, p. 795-809, 2017
Fault detection and isolation of sensors in aeration control systems
Part of Water Science and Technology, p. 648-653, 2016
Part of Water Research, p. 104-116, 2016
A simple model for algae-bacteria interaction in photo-bioreactors
Part of Algal Research, p. 155-161, 2016
Optimal steady-state design of zone volumes of bioreactors with Monod growth kinetics
Part of Biochemical engineering journal, p. 59-66, 2015
Part of Environmental Modelling & Software, p. 148-158, 2015
Instrumentation, control and automation in wastewater – from London 1973 to Narbonne 2013
Part of Water Science and Technology, p. 1373-1385, 2014
Extremum seeking control of the CANON process: Existence of multiple stationary solutions
Part of Journal of Process Control, p. 348-356, 2014
Approximate adjoint-based iterative learning control
Part of International Journal of Control, p. 1028-1046, 2014
Part of Water Science and Technology, p. 1573-1580, 2014
Part of Water Science and Technology, p. 641-649, 2013
Optimal aeration control in a nitrifying activated sludge process
Part of Water Research, p. 2101-2110, 2012
Initialization of a nonlinear identification algorithm applied to laboratory plant data
Part of IEEE Transactions on Control Systems Technology, p. 708-716, 2008
Cost-Efficient Operation of a Denitrifying Activated Sludge Process
Part of Water Research, p. 2325-2332, 2007
Interaction analysis and control structure selection in a wastewater treatment plant model
Part of IEEE Transactions on Control Systems Technology, p. 955-964, 2005
An integrating linearization method for Hammerstein models
Part of Automatica, p. 1825-1828, 2005
Adaptive control of the nitrate level in an activated sludge process
Part of Water Science and Technology, p. 137-144, 2003
Feedforward-Feedback Control of an Activated Sludge Process: a simulation study
Part of Water, Science and Technology, p. 19-26, 2003
Control of the aeration volume in an activated sludge process for nitrogen removal
Part of Water Science and Technology, p. 45-52, 2002
Control of an activatedsludge process with nutrient removal - A benchmark study
Part of Water, Science and Technology, p. 135-142, 2002
Estimation of continuous-time AR process parameters from discrete-time data
Part of IEEE Transactions on Signal Processing, p. 1232-1244, 1999
Least squares parameter estimation of continuous-time ARX models from discrete-time data
Part of IEEE TRANSACTIONS ON AUTOMATIC CONTROL, p. 659-673, 1997
Part of WATER SCIENCE AND TECHNOLOGY, p. 159-171, 1996
Articles, review/survey
Part of Water Science and Technology, p. 2374-2398, 2013
Chapters in book
The story of Gustaf – from the early days to his emeritus adventures
Part of Celebrating passion for Water, Science and Technology: Festschrift in Honour of Gustaf Olsson, p. 43-53, IWA Publishing, 2022
Conference papers
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
On keeping the average of an effluent concentration below a limit
2022
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
Steady-state data reconciliation of a dynamic process
2019
Input–output stability design of an ammonium based aeration controller for wastewater treatment
Part of 2018 Annual American Control Conference (ACC), p. 2964-2971, 2018
Monitoring fouling on dissolved oxygen sensors in WRRFs with active fault detection
Part of Proc. 12th IWA Specialized Coference on Instrumentation, Control and Automation, 2017
p. 3917-3922, 2017
Part of Proc. 12th IWA Specialized Conference on Instrumentation, Control and Automation, p. 85-93, 2017
A simplified model of an activated sludge process with a plug-flow reactor
Part of Proc. 9th Eurosim Congress on Modelling and Simulation, 2016
Monitoring a secondary settler using Gaussian mixture models
Part of Proc. 9th Eurosim Congress on Modelling and Simulation, p. 831-835, 2016
Algae Based Wastewater Treatment Model Using The RWQM1
Part of Proc. IWA World Water Congress & Exhibition, 2016
Detecting anomalous air flow-ammonia load ratios, using Gaussian process regression
Part of Proc. 9th IWA Symposium on Systems Analysis and Integrated Assessment, 2015
Binary classifiers applied to detect DO sensor faults during washing events
Part of Proc. 2nd IWA Conference on New Developments in IT & Water, 2015
Gaussian process regression for monitoring a secondary settler
Part of Proc. 2nd IWA Conference on New Developments in IT & Water, 2015
Steady-state Analysis and Design of Activated Sludge Processes Including Compressive Settling
Part of Proc. 9th IWA Symposium on Systems Analysis and Integrated Assessment, 2015
Analyses of Activated Sludge Processes Consisting of a Plug-Flow Reactor and a Non-ideal Settler
Part of Proc. 9th IWA Symposium on Systems Analysis and Integrated Assessment, 2015
Fault detection of DO sensors subject to possible clogging
Part of Proc. 9th IWA Symposium on Systems Analysis and Integrated Assessment, 2015
Analysis of simple bioreactor models: A comparison between Monod and Contois kinetics
Part of Proc. IWA Conference on Activated Sludge – 100 Years and Counting, 2014
Optimizing zone volumes in bioreactors described by Monod and Contois growth kinetics
Part of Proc. IWA World Water Congress, 2014
Application of machine learning methods for fault detection in wastewater treatment plants
Part of Reglermöte, 2014
Steady-state analysis of simple activated sludge processes with Monod and Contois growth kinetics
Part of Proc. IWA Conference on Activated Sludge – 100 Years and Counting, 2014
NOx control for SCR systems using feedback linearisation
Part of 23rd ERNSI Workshop in System Identification, 2014
Fault detection and isolation of sensors in aeration control systems
Part of Proc. IWA World Water Congress, 2014
Instrumentation, Control and Automation in wastewater—from London 1973 to Narbonne 2013
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
Long-term evaluation of full-scale ammonium control in three large WWTPs
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
Fault detection of sensors in aeration control systems: the airflow ratio method
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
DIAMOND: AdvanceD data management and InformAtics for the optimuM operatiON anD control of WWTPs
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
Parameter scheduling in ammonium feedback control
Part of 11th IWA conference on Instrumentation, Control and Automation, 2013
Multiple-model approach for identification and control of a Selective Catalytic Reduction system
2012
Energy efficient ammonium feedback control
Part of New Developments in IT & Water, 2012
Part of Proc. American Control Conference, p. 78-83, 2011
Nonlinear black box identification of a selective catalytic reduction system
Part of Proc. 18th IFAC World Congress, p. 11845-11850, 2011
Benchmark simulation model no. 1 with a wireless sensor network for monitoring and control
2011
Applications of repetitive control in activated sludge processes
2011
Iterative Learning Control and Recursive Identification
2010
Resource efficient operation of a class of wastewater treatment processes
Part of Proc. 2nd IWA Water and Energy Conference, p. 96-97, 2010
Part of Proc. 2nd IWA Water and Energy Conference, p. 100-101, 2010
Learning control applied to continuous wastewater treatment systems: an initial study
Part of Proc. 2nd IWA Water and Energy Conference, p. 98-99, 2010
A new input/output pairing strategy based on linear quadratic Gaussian control
Part of Proc. International Conference on Control and Automation, p. 978-982, 2009
Kalman filtering for black-box identification of nonlinear ODE models
Part of Proc. Reglermöte, 2006
Applications of Coupling Analysis on Bioreactor Models
Part of Proceedings of 16th IFAC World Congress, 2005
Linearization of Static Input Nonlinearities
Part of Proceedings of Reglermöte 2004, 2004
Adaptive control of the external carbon flow rate in an activated sludge process
Part of 1st World Water Congress of the IWA, Melbourne, 2002
Feedforward-feedback control of an activated sludge process - A simulation study
Part of 1st World Water Congress of the International Water Association (IWA), Melbourne 7-11 April 2002, 2002
p. 65-70, 1998
Continuous-time AR process parameter estimation from discrete-time data
Part of IEEE International Conference on Acoustics, Speech and Signal Processing, 1998
Aspekter på identifiering av lineära tidskontinuerliga system
Part of Reglermöte 98, 1998
A bias-compensation scheme for estimating continuous time AR process parameterse
Part of Proc SYSID 97, 11th IFAC Symposium on System Identification, 1997
Some approaches on how to use the delta operator when identifying continuous-time processes
Part of Proc IEEE Conference on Decision and Control, 1997
Part of Proc IEEE Conference on Decision and Control, 1995
On-line identification of the dissolved oxygen dynamics in an activated sludge process
p. 215-220, 1993
Manuscripts (preprints)
Reports
2018
Benchmark simulation model no. 1 with a wireless sensor network for monitoring and control
2011
2009
Cost-Efficient Operation of a Denitrifying Activated Sludge Process - An Initial Study
2005
An Integrating Linearization Method for Static Input Nonlinearities
2004
Analysis of the input-output couplings in a wastewater treatment plant model
2004
Integrating Linearization Method for Static Input Nonlinearities.
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
1995
On-line identification of the dissolved oxygen dynamics in an activated sludge process
1992
Digital differentiating filters
1987