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Vol. 176, Issue 8, August 2014, pp. 231-236

 

Bullet

 

Practical Active Disturbance Rejection Solution for Furnace Temperature Control System
 

1 Jian Huan Su, 2 Yin Jun Zhang

1 School of Physics and Electrical Engineering, Hechi University, Yizhou, Guangxi 546300

1 E-mail: txeb@163.com

 

 

Received: 26 March 2014 /Accepted: 31 July 2014 /Published: 31 August 2014

Digital Sensors and Sensor Sysstems

 

Abstract: A practical active disturbance rejection control (ADRC) solution is proposed for the furnace temperature system. Employing a linear reduced-order model with optimized parameters, the practical ADRC is simple to use, easy to tune and energy-efficient in dealing with the uncertainties and disturbances in plant dynamics. Through the order reduction in both the plant model and the state observer, we develop a first order extended state observer for estimating in real-time the total value of the external and internal disturbances. The practical and standard ADRCs outperform the Smith Predictor and the PID controller in disturbance-rejection and robustness; however, the practical ADRC has fewer adjustable parameters and significantly smaller energy consumption than the standard ADRC, making it a viable candidate for industrial applications.

 

Keywords: Monitoring automatic gauge control, Time-delay, Active disturbance rejection control, Extended state observe.

 

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