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Related Experiment Video

Updated: May 17, 2026

Ecosystem Fabrication (EcoFAB) Protocols for The Construction of Laboratory Ecosystems Designed to Study Plant-microbe Interactions

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Published on: April 10, 2018

Plant-wide control: eco-efficiency and control loop configuration.

M T Munir¹, W Yu, B R Young

¹Industrial Information & Control Centre (I2C2), Chemical and Materials Engineering Department, The University of Auckland, Auckland, New Zealand.

ISA Transactions

|October 24, 2012

Summary

This summary is machine-generated.

Engineers can now optimize industrial control loops for better eco-efficiency using the new exergy eco-efficiency factor. This thermodynamic approach aids in designing energy-efficient processes with reduced operational costs.

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Area of Science:

Chemical Engineering
Thermodynamics
Process Control

Background:

Growing importance of industrial process eco-efficiency.
Need to integrate control loop configuration with eco-efficiency metrics.
Limitations of existing methods in optimizing control for energy consumption.

Purpose of the Study:

Propose a novel measure for eco-efficiency in control loop configuration: the exergy eco-efficiency factor.
Utilize the thermodynamic concept of exergy for process analysis.
Guide process designers toward optimal control design for reduced operational costs.

Main Methods:

Development of the exergy eco-efficiency factor based on exergy analysis.
Integration of the factor with established control pairing techniques like Relative Gain Array (RGA) and Niederlinski Index (NI).
Implementation and validation through process simulation and dynamic simulation case studies.

Main Results:

The exergy eco-efficiency factor provides a thermodynamic basis for evaluating control configuration efficiency.
Combined use of the factor with RGA and NI leads to optimal control design.
Dynamic simulation results demonstrate the reliability and effectiveness of the proposed method.

Conclusions:

The exergy eco-efficiency factor is a valuable tool for enhancing industrial process eco-efficiency.
This approach facilitates the design of control systems that minimize energy consumption and operational costs.
The method offers a reliable pathway to achieving sustainable and cost-effective industrial operations.