Active Disturbance Rejection Control of a Longitudinal Tunnel Ventilation System

Liyun Si, Wenping Cao and Xiangping Chen
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Liyun Si: School of Electronic & Control Engineering, Chang’an University, Xi’an 710064, China
Wenping Cao: School of Engineering & Applied Science, Aston University, Birmingham B4 7ET, UK
Xiangping Chen: School of Electrical Engineering, Guizhou University, Guiyang 550025, China

Energies, 2020, vol. 13, issue 8, 1-16

Abstract: This paper proposes an innovative approach for controlling pollutant release in a long-distance tunnel via longitudinal ventilation. Enhanced by an active disturbance rejection control (ADRC) method, a ventilation controller is developed to regulate the forced air ventilation in a road tunnel. As a result, the pollutants (particulate matter and carbon monoxide) are reduced by actively regulating the air flow rate through the tunnel. The key contribution of this study lies in the development of an extended state observer that can track the system disturbance and provide the system with compensation via a nonlinear state feedback controller equipped by the ADRC. The proposed method enhances the disturbance attenuation capability in the ventilation system and keeps the pollutant concentration within the legitimate limit in the tunnel. In addition to providing a safe and clean environment for passengers, the improved tunnel ventilation can also achieve better energy saving as the air flow rate is optimized.

Keywords: active disturbance rejection; cascaded control; pollutant concentration; tunnel ventilation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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