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Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 535-541 doi: 10.1007/s11708-010-0113-y

Abstract: Therefore, a predictor-corrector algorithm (PCA) is proposed to improve the convergence of the SS methodA predictor is developed to determine an appropriate iterative initial pressure.

Keywords： algorithm     convergence     heat exchanger     modeling     transient    

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Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 37-45 doi: 10.1007/s11465-007-0006-x

Abstract: A method, which is a combination of predictor corrector mechanism and Newton Raphson method, is presented

Keywords： computational     corrector mechanism     predictor corrector     multisolution     quasiperiodic    

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Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 2,   Pages 193-199 doi: 10.1007/s11465-008-0023-4

Abstract: A method combining the predictor-corrector mechanism and the Netwon-Raphson method is presented to calculateFor periodic motions, a continuation method combining the predictor-corrector mechanism and shooting

Keywords： proportional integral     bifurcation     corresponding     integral differential     predictor-corrector mechanism    

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Stevens–Johnson syndrome and toxic epidermal necrolysis in China: evaluation of risk models and new predictor

Yanhong Shou, Lu Yang, Yongsheng Yang, Xiaohua Zhu, Feng Li, Bo Yin, Yingyan Zheng, Jinhua Xu

Frontiers of Medicine 2021, Volume 15, Issue 4,   Pages 585-593 doi: 10.1007/s11684-020-0817-2

Abstract: Stevens--Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are rare but severe diseases. This study aimed to validate the predictive ability of risk models in patients with SJS/TEN and propose possible refinement in China. Patients in the Department of Dermatology of Huashan Hospital from January 2008 to January 2019 were included. Results showed that the severity-of-illness score for TEN (SCORTEN) had a good discrimination (area under the receiver operating characteristic curve (AUC), 0.78), and it was superior to auxiliary score (AS) and ABCD-10, which indicates age, bicarbonate level, cancer, dialysis, and 10% involved body surface area (AUC, 0.69 and 0.68, respectively). The calibration of SCORTEN (Hosmer–Lemeshow goodness-of-fit test, = 0.69) was also better than that of AS ( = 0.25) and ABCD-10 ( = 0.55). SCORTEN and ABCD-10 were similar (Brier score (BS), 0.04 and 0.04) in terms of accuracy of predictions. In addition, the imaging appearance of pulmonary consolidation on computed tomography was associated with high mortality. Refined models were formed using the variables and this imaging appearance. The refined AS and ABCD-10 models were similar in discrimination compared with the original SCORTEN (0.74 vs. 0.78, = 0.23; 0.74 vs. 0.78, = 0.30, respectively). Therefore, SCORTEN showed good discrimination performance, calibration, and accuracy, and refined AS or ABCD-10 model may be an option when SCORTEN variables are not available.

Keywords： Stevens–Johnson syndrome     toxic epidermal necrolysis     auxiliary score     ABCD-10     pulmonary consolidation    

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Design and analysis of a proportional-integral controller based on a Smith predictor for TCP/AQM network Research Articles

Ouassim MENACER, Abderraouf MESSAI, Lazhar KASSA-BAGHDOUCHE,kassabaghdouche_lazhar@yahoo.com,kassabaghdouche.lazhar@univ-guelma.dz

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 291-303 doi: 10.1631/FITEE.2000245

Abstract: (AQM) is essential to prevent the degradation of quality of service in TCP/AQM systems with round-trip time (RTT) delay. RTT delays are primarily caused by packet-propagation delays, but they can also be caused by the processing time of queuing operations and dynamically changing network situations. This study focuses on the design and analysis of an AQM digital controller under time-delay uncertainty. The controller is based on the algorithm and is called the SMITHPI controller. This study also demonstrates the stability of the controller and its robustness against network parameter variations such as the number of TCP connections, time delays, and user datagram protocol flows. The performance, robustness, and effectiveness of the proposed SMITHPI controller are evaluated using the NS-2 simulator. Finally, the performance of the SMITHPI controller is compared with that of a well-known queue-based AQM, called the proportional-integral controller.

Keywords： Active queue management     Transport control protocol     Round-trip time delay     Smith predictor    

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Reversible data hiding using a transformer predictor and an adaptive embedding strategy Research Article

Linna ZHOU, Zhigao LU, Weike YOU, Xiaofei FANG,zhoulinna@bupt.edu.cn,luchen@uir.edu.cn,ywk@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 8,   Pages 1143-1155 doi: 10.1631/FITEE.2300041

Abstract: In the field of (RDH), designing a high-precision predictor to reduce the embedding distortion and developingIn this paper, we propose a new RDH method, including a predictor based on a and a novel embedding strategyIn the predictor part, we first design a -based predictor.Compared with other predictors, the -based predictor can extend the range of pixels for prediction from

Keywords： Reversible data hiding     Transformer     Adaptive embedding strategy    

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Title Author Date Type Operation

Predictor-corrector algorithm for solving quasi-separated-flow and transient distributed-parameter model

Ping ZHANG, Guoliang DING

Journal Article

Analysis of stability and nonlinear response of rotor system with elliptical sliding bearing supports

LU Yanjun, LIU Heng, YU Lie, LI Qi, JIANG Ming, ZHANG Zhiyu

Journal Article

Stability and coupling dynamic behavior of nonlinear journal active electromagnetic bearing rotor system

LU Yanjun, HEI Di, WANG Yuan, DAI Rong, LU Yanjun, LIU Heng, YU Lie

Journal Article

Stevens–Johnson syndrome and toxic epidermal necrolysis in China: evaluation of risk models and new predictor

Yanhong Shou, Lu Yang, Yongsheng Yang, Xiaohua Zhu, Feng Li, Bo Yin, Yingyan Zheng, Jinhua Xu

Journal Article

Design and analysis of a proportional-integral controller based on a Smith predictor for TCP/AQM network

Ouassim MENACER, Abderraouf MESSAI, Lazhar KASSA-BAGHDOUCHE,kassabaghdouche_lazhar@yahoo.com,kassabaghdouche.lazhar@univ-guelma.dz

Journal Article

Reversible data hiding using a transformer predictor and an adaptive embedding strategy

Linna ZHOU, Zhigao LU, Weike YOU, Xiaofei FANG,zhoulinna@bupt.edu.cn,luchen@uir.edu.cn,ywk@bupt.edu.cn

Journal Article