Fuzzy control of the start-up phase of the food extrusion process

Fodil-Pacha, Farid; Arhaliass, Abdellah; Aït-Ahmed, Nadia; Boillereaux, Lionel; Legrand, Jack

doi:10.1016/j.foodcont.2006.06.013

Cited by 11 publications

(2 citation statements)

References 9 publications

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“…Transients in food processing which includes start‐up are still a current subject of research (Farid et al. 2007).…”

Section: Introductionmentioning

confidence: 99%

“…Transients in food processing which includes start-up are still a current subject of research (Farid et al 2007). Because of the nonlinearities of these processes, the need for reevaluations of food operations for the implementation of new control strategies demands reliable simulations of the most relevant system variables (Trystram 2004).…”

Section: Introductionmentioning

confidence: 99%

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Predicting Thermal Response of Conductive Foods During Start‐up of Process Equipment Using Transfer Functions

Ansorena

Scala

2010

J Food Process Engineering

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Transfer function approach to predict thermal histories of conductive foodstuffs when surroundings present different forcing functions during start‐up of processes is reported. Food is assimilated to a delayed first‐order system with unit gain and characterized by two parameters, the dead time (L) and the time constant (τ). The comparison of experimental data with the proposed models for cooking as well as for retorting processes presented very satisfactory results when the equipment evolved as first‐order, second‐order and bounded integrating systems. PRACTICAL APPLICATIONS Transfer functions appear as relevant mathematical tools because they are relatively simple models that need only dynamics input–output data to represent more complex systems related to food process engineering, generally nonlinear ones. Besides, their potential application allows the performance of optimal process control in real‐time modality. In particular, this paper deals with the problem of processes start‐up, which represents a transient operation to be overcome, and also with the ability of the transfer function methodology to estimate both food and equipment temperature evolution during different food operations when changes in the surrounding temperature take place.

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“…Transients in food processing which includes start‐up are still a current subject of research (Farid et al. 2007).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Predicting Thermal Response of Conductive Foods During Start‐up of Process Equipment Using Transfer Functions

Ansorena

Scala

2010

J Food Process Engineering

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Multivariable fuzzy decoupling control of the polymer electromagnetism dynamic extrusion process

Jiang

Jin

2009

J of Applied Polymer Sci

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ABSTRACT:The plastic electromagnetism dynamic extruder has gained wide applications because of its novel structure and fine engineering performance. In the polymer processing, melt temperature and melt pressure control is crucial to the quality of the extruded product. A new multivariable fuzzy decoupling control algorithm of melt temperature and melt pressure for the novel extruder is introduced in the transfer function matrix system, which is obtained through the experimental data with system identification. To verify the application of the proposed control algorithm, the multivariable closed-loop fuzzy decoupling system is implemented on programmable computer controller. Experimental results show melt temperature and melt pressure can be successful individually controlled by the heater power and the screw speed. The good system performance verifies the control strategy's validity.

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Recent Applications of Advanced Control Techniques in Food Industry

Kondakci

Zhou

2016

Food Bioprocess Technol

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Fuzzy control of the start-up phase of the food extrusion process

Cited by 11 publications

References 9 publications

Predicting Thermal Response of Conductive Foods During Start‐up of Process Equipment Using Transfer Functions

Predicting Thermal Response of Conductive Foods During Start‐up of Process Equipment Using Transfer Functions

Multivariable fuzzy decoupling control of the polymer electromagnetism dynamic extrusion process

Recent Applications of Advanced Control Techniques in Food Industry

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