Abstract
Mineral processing facilities concern an enormous amount of dynamically complex unit operations (due to nonlinearities), for instance ball mill system. Normally, these processes need multivariable controllers to smooth actions by designing for plant constraints such as deadtimes and dynamics interactions. The present work presents a comparison between a classical PI and nonlinear moving average autoregressive-linearization level 2 (NARMA-L2) controllers based on artificial neural network (ANN) for a ball mill system. The manipulated variables of this plant are the rotation velocity (Vr) and the feeding weight (Wf), while the controlled parameters are the hold up (HU) and the mass fraction under 45 μm (P45). The simulation was built in the MATLAB software (Simulink), comparing the actions of PI and NARMA-L2 controllers in the face of operational changes in specific regions (constraints). The performance of proposed controllers was verified by the integral of absolute error (IAE), integral of squared error (ISE), or the integral of time-weighted absolute error (ITAE). The results of simulation showed the validity of the model obtained and the control technique proposed in this paper, which contributes to studies of multivariate controller designs for ball mills with significant applications. Additionally, this paper brings a first hybrid approach (PI/NARMA-L2) with successful implementation described in the literature.
Funding source: CNPq/MCT
Funding source: CAPES
Funding source: FAPERJ
Funding source: FINEP
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: The authors would like to thank the CNPq/MCT, CAPES, FAPERJ and FINEP for the financial support to the Department of Chemical and Material Engineering (DEQM) at the Pontifical Catholic University of Rio de Janeiro (PUC-Rio).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Research Articles
- Nonlinear autoregressive-moving average-L2 (NARMA-L2) controller for multivariable ball mill plant
- An enhanced feedback-feedforward control scheme for process industries
- Appling the computational fluid dynamics studies of the thermogravitational column for N2-CO2 and He-Ar gas mixtures separation
- An enhancement in series cascade control for non-minimum phase system
- Modelling and simulation of industrial multistage flash desalination process with exergetic and thermodynamic analysis. A case study of Azzour seawater desalination plant
- Development of a CFD-based simulation model and optimization of thermal diffusion column: application on noble gas separation
- A machine-learning reduced kinetic model for H2S thermal conversion process
- Design strategies for oxy-combustion power plant captured CO2 purification
- Energy-saving investigation of vacuum reactive distillation for the production of ethyl acetate
- Reducing total annual cost and CO2 emissions in batch distillation for separating ternary wide boiling mixtures using vapor recompression heat pump
Articles in the same Issue
- Frontmatter
- Research Articles
- Nonlinear autoregressive-moving average-L2 (NARMA-L2) controller for multivariable ball mill plant
- An enhanced feedback-feedforward control scheme for process industries
- Appling the computational fluid dynamics studies of the thermogravitational column for N2-CO2 and He-Ar gas mixtures separation
- An enhancement in series cascade control for non-minimum phase system
- Modelling and simulation of industrial multistage flash desalination process with exergetic and thermodynamic analysis. A case study of Azzour seawater desalination plant
- Development of a CFD-based simulation model and optimization of thermal diffusion column: application on noble gas separation
- A machine-learning reduced kinetic model for H2S thermal conversion process
- Design strategies for oxy-combustion power plant captured CO2 purification
- Energy-saving investigation of vacuum reactive distillation for the production of ethyl acetate
- Reducing total annual cost and CO2 emissions in batch distillation for separating ternary wide boiling mixtures using vapor recompression heat pump