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Research Output 1982 2019

2019

Dynamic Modeling of Unsteady Bulging in Continuous Casting of Steel

Chen, Z., Olia, H., Petrus, B., Rembold, M., Bentsman, J. & Thomas, B. G., Jan 1 2019, Materials Processing Fundamentals, 2019. Allanore, A., Lambotte, G., Wagstaff, S. & Lee, J. (eds.). Springer International Publishing, p. 23-35 13 p. (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel
Continuous casting
Steel castings
Dynamic models
Interpolation

Investigating centerline bridging in continuous casting during speed drops with conoffline

Chen, Z., Drennan, W., Thomas, B. G. & Bentsman, J., Jan 1 2019, In : AISTech - Iron and Steel Technology Conference Proceedings. 2019-May, p. 2075-2083 9 p.

Research output: Contribution to journalConference article

Continuous casting
Solidification

Modeling and control of resonance effects in steel casting mold oscillators

Angatkina, O., Natarajan, V., Chen, Z., Ding, M. & Bentsman, J., Jan 1 2019, In : Acta Mechanica.

Research output: Contribution to journalArticle

Steel castings
Testbeds
Natural frequencies
Iron and steel plants
Steel

Optimal control of free boundary of a stefan problem for metallurgical length maintenance in continuous steel casting

Chen, Z., Bentsman, J. & Thomas, B. G., Jul 2019, 2019 American Control Conference, ACC 2019. Institute of Electrical and Electronics Engineers Inc., p. 3206-3211 6 p. 8815355. (Proceedings of the American Control Conference; vol. 2019-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel castings
Cost functions
Cooling
Heat flux
Casting
2018

Bang-Bang Free Boundary Control of a Stefan Problem for Metallurgical Length Maintenance

Chen, Z., Bentsman, J. & Thomas, B. G., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-June. p. 116-121 6 p. 8431904

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solidification
Casting
Flow rate
Steel
Continuous casting

High-Fidelity Discrete-Time State-Dependent Riccati Equation Filters for Stochastic Nonlinear Systems with Gaussian/Non-Gaussian Noises

Chang, I. & Bentsman, J., Aug 9 2018, 2018 Annual American Control Conference, ACC 2018. Institute of Electrical and Electronics Engineers Inc., Vol. 2018-June. p. 1132-1137 6 p. 8431771

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Riccati equations
Nonlinear systems

Online Recalibration of the State Estimators for a System with Moving Boundaries Using Sparse Discrete-in-Time Temperature Measurements

Petrus, B., Chen, Z., Bentsman, J. & Thomas, B. G., Apr 2018, In : IEEE Transactions on Automatic Control. 63, 4, p. 1090-1096 7 p.

Research output: Contribution to journalArticle

Time measurement
Temperature measurement
Error analysis
Calibration
Maximum principle

Technical Committee on Power Generation [Technical Activities]

Bentsman, J., Oct 2018, In : IEEE Control Systems. 38, 5, 8467448.

Research output: Contribution to journalShort survey

Power generation
2017

A Stable Multi-Objective Economic MPC Scheme for Boiler-Turbine Units

Zhao, H., Shen, J., Li, Y. & Bentsman, J., Jul 2017, In : IFAC-PapersOnLine. 50, 1, p. 11070-11075 6 p.

Research output: Contribution to journalArticle

Boilers
Turbines
Economics
Oil fired boilers
Fossil fuel power plants

Coal-fired utility boiler modelling for advanced economical low-NOx combustion controller design

Zhao, H., Shen, J., Li, Y. & Bentsman, J., Jan 1 2017, In : Control Engineering Practice. 58, p. 127-141 15 p.

Research output: Contribution to journalArticle

Controller Design
Combustion
Boilers
Coal
Controllers

Preference adjustable multi-objective NMPC: An unreachable prioritized point tracking method

Zhao, H., Shen, J., Li, Y. & Bentsman, J., Jan 1 2017, In : ISA transactions. 66, p. 134-142 9 p.

Research output: Contribution to journalArticle

Model predictive control
Model Predictive Control
Tuning
Pareto Optimality
tuning

Study of spray cooling control to maintain metallurgical length during speed drop in steel continuous casting

Chen, Z., Bentsman, J., Tho, B. G. & Matsui, A., Oct 2017, In : Iron and Steel Technology. 14, 10, p. 92-103 12 p.

Research output: Contribution to journalArticle

Continuous casting
Cooling
Steel

Study of spray-cooling control to maintain metallurgical length during speed drop in steel continuous casting

Chen, Z., Bentsman, J., Lhomas, B. G. & Matsui, A., Jan 1 2017, AISTech 2017 - Proceedings of the Iron and Steel Technology Conference. Association for Iron and Steel Technology, AISTECH, p. 3321-3336 16 p. (AISTech - Iron and Steel Technology Conference Proceedings; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Continuous casting
Cooling
Casting
Steel
Flow rate
2016

Approximate local output regulation for nonlinear distributed parameter systems

Natarajan, V. & Bentsman, J., Sep 1 2016, In : Mathematics of Control, Signals, and Systems. 28, 3, 24.

Research output: Contribution to journalArticle

Output Regulation
Distributed Parameter Systems
Linear systems
Nonlinear systems
Nonlinear Systems

Online recalibration of the state estimators for a system with moving boundaries using sparse discrete-in-time temperature measurements

Petrus, B., Chen, Z., Bentsman, J. & Thomas, B. G., Jul 28 2016, 2016 American Control Conference, ACC 2016. Institute of Electrical and Electronics Engineers Inc., p. 2554-2559 6 p. 7525301. (Proceedings of the American Control Conference; vol. 2016-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Time measurement
Temperature measurement
Error analysis
Calibration
Maximum principle

Patch theory: Robustness/performance enhancement of power plant pid control clusters through analytical design

Bentsman, J., Taft, C., Sorge, J., Zhao, H. & Chang, I., Jan 1 2016, 59th ISA Power Industry Division Symposium 2016, POWID 2016. International Society of Automation (ISA), p. 323-338 16 p. (59th ISA Power Industry Division Symposium 2016, POWID 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power plants
Power plants
augmentation
controllers
Controllers

Singular Space-Time Transformations. Towards One Method For Solving the Painlevé Problem

Miller, B. M., Rubinovich, E. Y. & Bentsman, J., Nov 1 2016, In : Journal of Mathematical Sciences (United States). 219, 2, p. 208-219 12 p.

Research output: Contribution to journalArticle

Rigidity
Space-time
Mathematical models
Friction
Rough Surface

Stabilizing uncertain nonlinear systems via the constrained discrete-time state-dependent Riccati equation controller

Chang, I. & Bentsman, J., Feb 8 2016, 2015 54th IEEE Conference on Decision and Control, CDC 2015. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-February. p. 3870-3875 6 p. 7402821

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Uncertain Nonlinear Systems
Riccati equations
Riccati Equation
Nonlinear systems
Discrete-time

Technical Committee on Power Generation [Technical Activities]

Bentsman, J., Oct 2016, In : IEEE Control Systems. 36, 5, 7569038.

Research output: Contribution to journalComment/debate

Power generation
2015

Capturing and suppressing resonance in steel casting mold oscillation systems using Timoshenko beam model

Angatkina, O., Natarajan, V., Chen, Z. & Bentsman, J., Jul 28 2015, ACC 2015 - 2015 American Control Conference. Institute of Electrical and Electronics Engineers Inc., p. 559-564 6 p. 7170794. (Proceedings of the American Control Conference; vol. 2015-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel castings
Testbeds
Analytical models
Natural frequencies
Iron and steel plants

Generic nonsmooth H∞ output synthesis: Tracking control with application to a coal-fired boiler/turbine unit with input dead zone

Aguilar, L. T., Ponce, I. U., Orlov, Y. & Bentsman, J., Feb 8 2015, 54rd IEEE Conference on Decision and Control,CDC 2015. Institute of Electrical and Electronics Engineers Inc., p. 6221-6226 6 p. 7403198. (Proceedings of the IEEE Conference on Decision and Control; vol. 54rd IEEE Conference on Decision and Control,CDC 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal fired boilers
Dead Zone
Tracking Control
Turbine
Turbines

Generic nonsmooth H∞ Output synthesis: Application to a coal-fired boiler/turbine unit with actuator dead zone

Ponce, I. U., Bentsman, J., Orlov, Y. & Aguilar, L. T., Nov 2015, In : IEEE Transactions on Control Systems Technology. 23, 6, p. 2117-2128 12 p., 7055314.

Research output: Contribution to journalArticle

Coal fired boilers
Turbines
Actuators
Boilers
Steam

Ill-posedness and Ill-conditioning in the use of CARMA, CARIMA and Box-Jenkins models in identification and control

Bentsman, J. & Ordys, A., Mar 24 2015, European Control Conference, ECC 1999 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 3838-3843 6 p. 7099930. (European Control Conference, ECC 1999 - Conference Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Identification (control systems)
Brownian movement

New method to measure metallurgical length and application to improve computational models

Petrus, B., Hammon, D., Miller, M., Williams, B., Zewe, A., Chen, Z., Bentsman, J. & Thomas, B. G., Dec 2015, In : Iron and Steel Technology. 12, 12, p. 58-66 9 p.

Research output: Contribution to journalArticle

Steel
Casting
Heat transfer
Sensors

New method to measure metallurgical length and application to improve computational models

Petrus, B., Harnmon, D., Miller, M., Williams, B., Zewe, A., Chen, Z., Bentsman, J. & Thomas, B., Jan 1 2015, AISTech 2015 - Proceedings of the Iron and Steel Technology Conference and ICSTI 2015. Association for Iron and Steel Technology, AISTECH, p. 3238-3248 11 p. (AISTech - Iron and Steel Technology Conference Proceedings; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Continuous casting
Strain gages
Solidification
Casting
Heat transfer
2014

Adaptive projection-based observers and L 1 adaptive controllers for infinite-dimensional systems with full-state measurement

Natarajan, V. & Bentsman, J., Mar 2014, In : IEEE Transactions on Automatic Control. 59, 3, p. 585-598 14 p., 6644252.

Research output: Contribution to journalArticle

Controllers
Wave equations
Closed loop systems
Transfer functions
Uncertainty

Application of enthalpy-based feedback control methodology to the two-sided stefan problem

Petrus, B., Bentsman, J. & Thomas, B., Jan 1 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 1015-1020 6 p. 6859062. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Feedback control
Enthalpy
Steel castings
Partial differential equations
Solidification

Constrained discrete-time state-dependent Riccati equation control for decentralized multi-agent systems

Chang, I., Bentsman, J., Park, S. Y. & Park, C., Jan 1 2014, Astrodynamics 2013 - Advances in the Astronautical Sciences: Proceedings of the AAS/AIAA Astrodynamics Specialist Conference. Univelt Inc., p. 3191-3210 20 p. (Advances in the Astronautical Sciences; vol. 150).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Riccati equation
Riccati equations
Multi agent systems
spacecraft
Spacecraft

Robustness/performance enhancement of power plant PID controller Part I: Model identification and robust controller design

Chang, I., Taft, C., Sorge, J., Little, M. & Bentsman, J., 2014, 57th ISA Power Industry Division Symposium 2014, POWID 2014 - Power Generation: Instrumentation and Control Solutions for Today's Industry Challenges. International Society of Automation (ISA), p. 274-293 20 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

power plants
Robustness (control systems)
controllers
Identification (control systems)
Power plants

Wavelet multiresolution model based predictive control for constrained nonlinear systems

Zhang, S. & Bentsman, J., 2014, 2014 American Control Conference, ACC 2014. Institute of Electrical and Electronics Engineers Inc., p. 4895-4900 6 p. 6859160

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nonlinear systems
Model predictive control
Multiresolution analysis
Parameter estimation
Costs
2013

Constrained discrete-time state-dependent Riccati equation technique: A model predictive control approach

Chang, I. & Bentsman, J., 2013, 2013 IEEE 52nd Annual Conference on Decision and Control, CDC 2013. Institute of Electrical and Electronics Engineers Inc., p. 5125-5130 6 p. 6760694

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Riccati equations
Model predictive control
Model Predictive Control
Riccati Equation
Discrete-time

Nonsmooth h-infinity output regulation with application to a coal-fired boiler/turbine unit with actuator deadzone

Bentsman, J., Orlov, Y. & Aguilar, L. T., Sep 11 2013, 2013 American Control Conference, ACC 2013. p. 3894-3899 6 p. 6580434. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coal fired boilers
Turbines
Actuators
Boilers
Steam

Rate-constrained wavelet multiresolution-model-based predictive control for hybrid combustion-gasification chemical looping process

Zhang, S., Bentsman, J., Lou, X. & Neuschaefer, C., Jan 1 2013, p. 340-358. 19 p.

Research output: Contribution to conferencePaper

Gasification
Flow of solids
Wavelet decomposition
Oxygen
Model structures
2012

Adaptive observers with projection operator and L1 adaptive controllers for infinite dimensional systems

Natarajan, V. & Bentsman, J., 2012, 2012 American Control Conference, ACC 2012. p. 3002-3007 6 p. 6315680

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Controllers
Wave equations
Closed loop systems
Transfer functions
Uncertainty

Enthalpy-based feedback control algorithms for the Stefan problem

Petrus, B., Bentsman, J. & Thomas, B., Dec 1 2012, In : Proceedings of the IEEE Conference on Decision and Control. p. 7037-7042 6 p., 6426035.

Research output: Contribution to journalConference article

Stefan Problem
Feedback Control
Control Algorithm
Feedback control
Enthalpy

Modeling and control of systems with active singularities under energy constraints: Single- and multi-impact sequences

Bentsman, J., Miller, B. M., Rubinovich, E. Y. & Mazumder, S. K., Jul 3 2012, In : IEEE Transactions on Automatic Control. 57, 7, p. 1854-1859 6 p., 6144704.

Research output: Contribution to journalArticle

Controllers

Robustness enhancement of PID cluster for a nonlinear power plant model with time delay

Zhang, S., Bentsman, J. & Taft, C. W., 2012, 55th ISA POWID Symposium 2012. Vol. 492. p. 109-129 21 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Time delay
Power plants
Derivatives
Controllers
Tuning

Simultaneous gains tuning in boiler/turbine PID-based controller clusters using iterative feedback tuning methodology.

Zhang, S., Taft, C. W., Bentsman, J., Hussey, A. & Petrus, B., Sep 2012, In : ISA transactions. 51, 5, p. 609-621 13 p.

Research output: Contribution to journalArticle

boilers
turbines
Turbine
Boilers
Tuning

Wavelet multiresolution model based generalized predictive control for Hybrid Combustion-Gasification Chemical Looping process

Zhang, S., Bentsman, J., Lou, X. & Neuschaefer, C., Dec 1 2012, In : Proceedings of the IEEE Conference on Decision and Control. p. 2409-2414 6 p., 6425869.

Research output: Contribution to journalConference article

Generalized Predictive Control
Chemical Processes
Multiresolution
Gasification
Combustion
2011

Implementation of a real-time model-based spray-cooling control system for steel continuous casting

Petrus, B., Zheng, K., Zhou, X., Thomas, B., Bentsman, J. & O'Malley, R., Jul 27 2011, Sensors, Sampling, and Simulation for Process Control - Held During the TMS 2011 Annual Meeting and Exhibition. p. 77-84 8 p. (TMS Annual Meeting).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel
Continuous casting
surface temperature
sprayers
temperature control

Implementation of a Real-time Model-based Spray-cooling Control System for Steel Continuous Casting

Petrus, B., Zheng, K., Zhou, X., Thomas, B., Bentsman, J. & Malley, R. O., Apr 19 2011, Sensors, Sampling, and Simulation for Process Control. John Wiley and Sons, p. 77-84 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Steel
Continuous casting
Cooling
Control systems
Temperature control

Real-time, model-based spray-cooling control system for steel continuous casting

Petrus, B., Zheng, K., Zhou, X., Thomas, B. & Bentsman, J., Feb 1 2011, In : Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science. 42, 1, p. 87-103 17 p.

Research output: Contribution to journalArticle

Steel
Continuous casting
solidification
surface temperature
sprayers

Rejection of sinusoids from nonlinearly perturbed uncertain regular linear systems

Natarajan, V. & Bentsman, J., Dec 1 2011, 2011 50th IEEE Conference on Decision and Control and European Control Conference, CDC-ECC 2011. p. 4931-4936 6 p. 6161442. (Proceedings of the IEEE Conference on Decision and Control).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rejection
Linear systems
Linear Systems
Uncertain systems
Disturbance Rejection

Robust performance assessment of pid VS H control for a 4-input-7-output nonlinear power plant model with time-delay

Zhang, S., Bentsman, J. & Taft, C. W., 2011, 54th ISA POWID Symposium 2011. Vol. 487. p. 388-409 22 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Time delay
Power plants
Controllers
Tuning
Coal fired boilers

Robust periodic reference tracking by stable uncertain infinite-dimensional linear systems

Natarajan, V. & Bentsman, J., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 1777-1782 6 p. 5991207. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Linear systems
Robust control
Industrial applications
Transfer functions
Robust stability

Robust rejection of sinusoids in stable nonlinearly perturbed unmodelled linear systems: Theory and application to servo

Natarajan, V. & Bentsman, J., 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 3289-3294 6 p. 5991222

Research output: Chapter in Book/Report/Conference proceedingConference contribution

System theory
Closed loop systems
Linear systems
Hydraulic actuators
Servomechanisms

Spatiotemporal singular transformation in dynamical systems with impacts and its use in obtaning generalized solution of Painleve problem

Miller, B. M., Rubinovich, E. Y. & Bentsman, J., Jan 1 2011, Proceedings of the 18th IFAC World Congress. 1 PART 1 ed. IFAC Secretariat, p. 3463-3473 11 p. (IFAC Proceedings Volumes (IFAC-PapersOnline); vol. 44, no. 1 PART 1).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mechanics
Dynamical systems
Stiffness
Friction

Strobing optimization in a mobile sensor system associated with the pursuit problem

Bentsman, J. & Rubinovich, E. Y., Sep 29 2011, Proceedings of the 2011 American Control Conference, ACC 2011. p. 3621-3626 6 p. 5991028. (Proceedings of the American Control Conference).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sonar
Radar
Sensors
2010

Assessment of global optimizers: Particle swarm optimization, simulated annealing, and genetic algorithms in local simultaneous multi-loop tuning of PID gains

Zhang, S., Ye, D., Bentsman, J., Taft, C. W. & Hussey, A., Sep 10 2010, 53rd ISA POWID Symposium 2010. p. 246-281 36 p. (53rd ISA POWID Symposium 2010; vol. 483).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Global optimization
Simulated annealing
Particle swarm optimization (PSO)
Tuning
Genetic algorithms

Disturbance rejection in robust PdE-based MRAC laws for uncertain heterogeneous multiagent networks under boundary reference

Kim, J., Natarajan, V., Kelly, S. D. & Bentsman, J., Aug 1 2010, In : Nonlinear Analysis: Hybrid Systems. 4, 3, p. 484-495 12 p.

Research output: Contribution to journalArticle

Model Reference Adaptive Control
Model reference adaptive control
Disturbance Rejection
Disturbance rejection
Partial differential equations