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U-Model-Based Active Disturbance Rejection Control for the Dissolved Oxygen in a Wastewater Treatment Process
المؤلفون المشاركون
Wei, Wei
Zuo, Min
Chen, Nan
Zhang, Zhiyuan
Liu, Zaiwen
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-14، 14ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-05-25
دولة النشر
مصر
عدد الصفحات
14
التخصصات الرئيسية
الملخص EN
Dissolved oxygen (DO) concentration is a key variable in wastewater treatment process (WWTP).
It directly influences effluent quality of a wastewater treatment.
However, due to the great changes of the influent flow rate and the large uncertainties of the wastewater in composition, concentration, and temperature, most control approaches become powerless on DO regulation.
To improve the robustness of a DO control, and reduce the phase delay between the control input and the system output, a U-model-based active disturbance rejection control (UADRC) is proposed.
The U-model control (UC) reduces the phase delay between the control input and the system output.
The active disturbance rejection control (ADRC) enhances the robustness of the closed-loop system.
Also, ADRC converts the system dynamics to be integrators connected in series, which helps the realization of UC.
By changing the system dynamics to be an approximate unit, a controller based on desired closed-loop system dynamics can be designed and the DO concentration is guaranteed.
UADRC combines advantages of both UC and ADRC, and a commonly accepted benchmark simulation model no.1 (BSM1) is taken to verify the proposed UADRC.
Numerical results show that, with similar energy consumption, the UADRC is able to achieve much better tracking performance than ADRC, SMC, and PI with suggested parameters.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wei, Wei& Chen, Nan& Zhang, Zhiyuan& Liu, Zaiwen& Zuo, Min. 2020. U-Model-Based Active Disturbance Rejection Control for the Dissolved Oxygen in a Wastewater Treatment Process. Mathematical Problems in Engineering،Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1194448
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wei, Wei…[et al.]. U-Model-Based Active Disturbance Rejection Control for the Dissolved Oxygen in a Wastewater Treatment Process. Mathematical Problems in Engineering No. 2020 (2020), pp.1-14.
https://search.emarefa.net/detail/BIM-1194448
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wei, Wei& Chen, Nan& Zhang, Zhiyuan& Liu, Zaiwen& Zuo, Min. U-Model-Based Active Disturbance Rejection Control for the Dissolved Oxygen in a Wastewater Treatment Process. Mathematical Problems in Engineering. 2020. Vol. 2020, no. 2020, pp.1-14.
https://search.emarefa.net/detail/BIM-1194448
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1194448
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