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Akademický článek

Detecting and Analyzing Nonlinearity-Caused Oscillations in Process Control Systems Using an Improved VNCMD

Autor: Louying Fan, Weihua Shen, Ganfei Lou, Wenyan Ci

Publikováno v: IEEE Access, Vol 9, Pp 49705-49723 (2021)

Nonlinearity-caused oscillations are a frequent issue in process control systems. Its incidence degrades the product quality, stability and safety of the plant. Therefore, it is important to detect and analyze the nonlinearity-caused oscillations to

Externí odkaz: https://doaj.org/article/c5b22249a4eb4446b6d4e6edd8298ba9

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Akademický článek

Detecting and Characterizing Multiple Oscillations in Process Control Loop Based on PSO-NCMD

Autor: Louying Fan, Weihua Shen, Ganfei Lou, Pengfei Zhang

Publikováno v: IEEE Access, Vol 8, Pp 160374-160386 (2020)

Oscillations are a common abnormal phenomenon in the process control system. They can degrade control performance or even cause plant shutdown. It is crucial to accurately detect and characterize the process oscillations. In this article, a novel osc

Externí odkaz: https://doaj.org/article/e4e9c8f9e81a4b088d8ee9f243d2568a

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Akademický článek

Retrospective analysis of risk factors of postoperative nausea and vomiting in patients undergoing ambulatory strabismus surgery via general anaesthesia

Autor: Jinfei Li, Huijin Ye, Weihua Shen, Qianru Chen, Yiquan Lin, Xiaoliang Gan

Publikováno v: Indian Journal of Anaesthesia, Vol 64, Iss 5, Pp 375-382 (2020)

Background and Aims: Postoperative nausea and vomiting (PONV), one of the common complications following strabismus surgery, would delay the ambulatory discharge time. The aim of this retrospective study was to determine the risk factors of PONV in p

Externí odkaz: https://doaj.org/article/c5e2145a237440e7a5072e2b39fd61a7

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Akademický článek

Complexity Quantification for Overhead Transmission Line Emergency Repair Scheme via a Graph Entropy Method Improved with Petri Net and AHP Weighting Method

Autor: Jing Zhou, Cunbin Li, Weihua Shen, Ye Zhang

Publikováno v: Discrete Dynamics in Nature and Society, Vol 2014 (2014)

According to the characteristics of emergency repair in overhead transmission line accidents, a complexity quantification method for emergency repair scheme is proposed based on the entropy method in software engineering, which is improved by using g

Externí odkaz: https://doaj.org/article/0d5f98f9c0bc4d5394896af5dc5589b1

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