Search Results - "Roberto Baratti"

A Gain-Scheduling PI Control Based on Neural Networks by Tronci, Stefania, Baratti, Roberto

“…This paper presents a gain-scheduling design technique that relies upon neural models to approximate plant behaviour. The controller design is based on generic…”
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Solvent Recovery System for a Co2-mea Reactive Absorption-stripping Plant by Claudio Madeddu, Massimiliano Errico, Davide Porcu, Roberto Baratti

“…The solvent recovery section from the exhaust gas represents an important auxiliary part for an industrial CO2 post-combustion capture plant by the reactive…”
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Machine Learning for Monitoring and Control of Ngl Recovery Plants by Marta Mandis, Jorge Chebeir, Roberto Baratti, Jose A. Romagnoli, Stefania Tronci

“…In this contribution, the monitoring and control problem of the natural gas liquids (NGL) extraction process is addressed by exploiting a data-driven approach…”
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Stochastic Approach for the Prediction of PSD in Crystallization Processes: Formulation and Comparative Assessment of Different Stochastic Models by Grosso, Massimiliano, Cogoni, Giuseppe, Baratti, Roberto, Romagnoli, Jose A

“…A stochastic formulation for the description of antisolvent mediated crystal growth processes is discussed. In the proposed approach, the crystal size growth…”
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On the closed-loop stochastic dynamics of two-state nonlinear exothermic CSTRs with PI temperature control by Alvarez, Jesus, Baratti, Roberto

“…•A class of exothermic nonlinear 2-state reactors with linear PI control is studied.•The reactor is subjected to zero and time-varying mean random…”
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Process analysis for the carbon dioxide chemical absorption–regeneration system by Madeddu, Claudio, Errico, Massimiliano, Baratti, Roberto

“…•The steady state design for a CO2-MEA absorption-stripping system is analyzed.•The column internal profiles are considered along with the outputs.•An L/G…”
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Learning to navigate a crystallization model with Deep Reinforcement Learning by Manee, Vidhyadhar, Baratti, Roberto, Romagnoli, Jose A.

“…•Convolutional Neural Network is used to measure the size distribution of crystals.•Reinforcement Learning is used to learn an optimal control policy.•Removes…”
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Characterization with Fokker–Planck theory of the nonlinear stochastic dynamics of a class of two-state continuous bioreactors by Baratti, Roberto, Alvarez, Jesus, Tronci, Stefania, Grosso, Massimilano, Schaum, Alexander

“…The nonlinear stochastic dynamics of a class of two-state bioreactors with isotonic or nonisotonic kinetics is analytically characterized with Fokker–Planck…”
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Exploring nontraditional LSTM architectures for modeling demethanizer column operations by Mandis, Marta, Baratti, Roberto, Chebeir, Jorge, Tronci, Stefania, Romagnoli, José A.

“…•Application of digital twins in NGL separation plant operations.•Non-conventional Long Short-Term Memory (LSTM) neural network arrangement is used.•Digital…”
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Effect of Boundary Conditions and Turbulence Treatment on the Simulated Performance of a Ribbed Heat Exchanger by Bertoli, Marco, Cambuli, Francesco, Baratti, Roberto, Ghisu, Tiziano

“…Ribbed surfaces are widely employed in heat exchangers to enhance the convective heat transfer and hence the overall thermal efficiency. This study aims to…”
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Model calibration for the carbon dioxide-amine absorption system by Errico, Massimiliano, Madeddu, Claudio, Pinna, Daniele, Baratti, Roberto

“…•A steady state simulation for CO2 removal by amine absorption is considered.•The Peclet number was evaluated for the absorber column.•The high Peclet numbers…”
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Open and closed-loop stochastic dynamics of a class of nonlinear chemical processes with multiplicative noise by Baratti, Roberto, Tronci, Stefania, Schaum, Alexander, Alvarez, Jesus

“…The open and closed-loop global state probability density function behavior of a class of single-state nonlinear chemical processes subjected to additive and…”
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A generalized stochastic modelling approach for crystal size distribution in antisolvent crystallization operations by Baratti, Roberto, Tronci, Stefania, Romagnoli, Jose A.

“…A generalized formulation for the development of stochastic models to predict the crystal size distribution (CSD) in antisolvent crystallization processes is…”
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Optimal Strategies to Control Particle Size and Variance in Antisolvent Crystallization Operations Using Deep Rl by Vidhyadhar Manee, Roberto Baratti, Jose A. Romagnoli

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Predictive control of an activated sludge process: An application to the Viikinmäki wastewater treatment plant by Mulas, Michela, Tronci, Stefania, Corona, Francesco, Haimi, Henri, Lindell, Paula, Heinonen, Mari, Vahala, Riku, Baratti, Roberto

“…•Multivariable predictive control for optimisation of wastewater treatment plant operation.•The aim is to improve nitrogen removal efficiency while reducing…”
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Global-nonlinear stochastic dynamics of a class of two-state two-parameter non-isothermal continuous stirred tank reactors by Álvarez, Jesús, Baratti, Roberto, Tronci, Stefania, Grosso, Massimiliano, Schaum, Alexander

“…The global-nonlinear stochastic dynamics of a class of two-state two-parameter continuous exothermic chemical reactors subjected to noise disturbances is…”
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On-line control of crystal properties in nonisothermal antisolvent crystallization by Ghadipasha, Navid, Romagnoli, Jose A., Tronci, Stefania, Baratti, Roberto

“…The issues regarding the design and implementation of on‐line optimal control strategies of crystal properties in nonisothermal antisolvent crystallization…”
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Estimation structure design for staged systems by Fernandez, Carlos, Alvarez, Jesus, Baratti, Roberto, Frau, Andrea

“…► The estimation structure for staged systems is designed for a certain task. ► The design includes measurements, complete/truncated model and innovation…”
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Time evolution of the PSD in crystallization operations: An analytical solution based on Ornstein-Uhlenbeck process by Cogoni, Giuseppe, Grosso, Massimiliano, Baratti, Roberto, Romagnoli, Jose A.

“…A new formulation of the recent stochastic approach for the description of the particle‐size distribution (PSD) time evolution in antisolvent crystal‐growth…”
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Stochastic approach for the prediction of PSD in nonisothermal antisolvent crystallization processes by Cogoni, Giuseppe, Tronci, Stefania, Mistretta, Giuseppe, Baratti, Roberto, Romagnoli, Jose A.

“…A stochastic formulation for the description of cooling‐antisolvent mediated crystal growth processes based on the Fokker‐Planck equation is discussed…”
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