Flexible function block for PLC-based implementation of the Balance-Based Adaptive Controller

Klopot, Tomasz; Czeczot, Jacek; Klopot, Witold

doi:10.1109/acc.2012.6314767

Cited by 18 publications

(6 citation statements)

References 12 publications

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“…The computation complexity is comparable with the conventional PI controller and the general-purpose function block can be easily applied for the implementation of the B-BAController on the PLC devices [18].…”

Section: Discussion and Concluding Remarksmentioning

confidence: 88%

Improving efficiency of pH control by balance-based adaptive control application

Stebel¹,

Czeczot²,

Metzger³

2013

Archives of Control Sciences

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This paper deals with the efficient control of the pH process. Considering the PI + gain scheduling (PI+GS) controller as the benchmark and its control performance as the base, we investigate experimentally the overall improvement in the control performance obtained by the application of the Balance-Based Adaptive Controller (B-BAC), which requires only the measurement data of the flow rates and pH values. The improvement of the control efficiency is investigated not only in terms of the controlled variable performance but also in terms of the manipulated variable performance considered as the considerable control cost. The application of the B-BAController can ensure lower controlled pH variability at the price of the control effort similar to the PI+GS approach and thus it can improve the overall efficiency of pH control. The second important contribution is the experimental validation of the very simple and intuitive tuning procedure for the B-BAController.

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Section: Discussion and Concluding Remarksmentioning

confidence: 88%

Improving efficiency of pH control by balance-based adaptive control application

Stebel¹,

Czeczot²,

Metzger³

2013

Archives of Control Sciences

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“…The static form of the B-BAController was successfully validated in practice (e.g. Klopot et al, 2012Klopot et al, , 2014Stebel et al, 2014), and it is derived on the basis of the unified and simplified dynamical model of the unitary relative degree…”

Section: Example Of Control Algorithmmentioning

confidence: 99%

Agent-based approach to continuous process control for enabling parallelization of engineering cycles

Polaków

Czeczot

Laszczyk

2017

Concurrent Engineering

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Modern manufacturing and production systems have growing demands in energy and cost savings, which can be ensured using more advanced control algorithms at the regulatory-level industrial control loops. However, developing such algorithms requires case-dependent approach that involves complex mathematics and expertise in various fields of technology and engineering. Gathering all the needed experts to conduct the control system engineering cycle is nearly impossible for organizational and economic reasons. Thus, in this work, it is proposed to employ an agent-based approach, which is substantially different than the conventional engineering cycles for developing the static control system. The idea is to split the entire control design procedure into smaller tasks of developing the modules (i.e. agents), which encapsulate the expert knowledge (e.g. on sensor failure detection, input signal modelling and estimation). It enables clear division of the competences between the experts and allows for dynamic inclusion of the expert knowledge into the newly designed or already existing system. Therefore, the expertise may be distributed both in location and in time, which stands in contradiction to the static approach based on sequential engineering cycles.

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“…It encapsulates not only all indispensible calculations but also other important functionalities. The idea of such block comes from [6] but in this paper, a special attention is paid for important aspects of practical implementation, such as bumpless switching, equivalence of anti-windup action, output constraints, etc. This functionalities are addressed and their implementation in the function block is presented.…”

Section: Introductionmentioning

confidence: 99%

Function block practical implementation of Balance-Based Adaptive Control for pH process

Klopot

Stebel

Czeczot

et al. 2013

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society

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This paper deals with the Balance-Based Adaptive Control (B-BAC) of the pH process. The implementation is in the form of the general, flexible and ready-to-use function block written for Allen Bradley® PLC family according to IEC-61131-3 standard. Additionally, the very important aspects of practical implementation are addressed: signal conditioning, bumpless switching, anti-windup action, etc. Experimental results show the functionality of this function block and the superiority of the B-BAC methodology over the conventional PI control in the application to the laboratory pH process.

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Flexible function block for PLC-based implementation of the Balance-Based Adaptive Controller

Cited by 18 publications

References 12 publications

Improving efficiency of pH control by balance-based adaptive control application

Improving efficiency of pH control by balance-based adaptive control application

Agent-based approach to continuous process control for enabling parallelization of engineering cycles

Function block practical implementation of Balance-Based Adaptive Control for pH process

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