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Design and analysis of a proportional-integral controller based on a Smith predictor for TCP/AQM network systems 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-triptime (RTT) delay.delays are primarily caused by packet-propagation delays, but they can also be caused by the processing timeThis study focuses on the design and analysis of an AQM digital controller under time-delay uncertaintycontroller and its robustness against network parameter variations such as the number of TCP connections, time

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

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A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: Real-time testing provides a viable experimental technique to evaluate the performance of structuralapply calculated displacements from an integration algorithm to the experimental structures in a real-timeThe compensation of actuator delay is therefore critical to achieve stable and reliable experimentaland achieve good actuator control for real-time tests.However, these adaptive methods all require time duration for actuator delay adaptation.

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

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Joint uplink and downlink resource allocation for low-latency mobile virtual reality delivery in fog radio access networks Research Article

Tian DANG, Chenxi LIU, Xiqing LIU, Shi YAN,tiandang@bupt.edu.cn,chenxi.liu@bupt.edu.cn,liuxiqing@bupt.edu.cn,yanshi01@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 1,   Pages 73-85 doi: 10.1631/FITEE.2100308

Abstract: Fog radio access networks (F-RANs), in which the fog access points are equipped with communication, caching, and computing functionalities, have been anticipated as a promising architecture for enabling virtual reality (VR) applications in wireless networks. Although extensive research efforts have been devoted to designing efficient strategies for realizing successful mobile VR delivery in downlink, the equally important problem of mobile VR delivery in uplink has so far drawn little attention. In this work, we investigate a mobile VR F-RAN delivery framework, where both the uplink and downlink transmissions are considered. We first characterize the of the system, which reveals its dependence on the communication, caching, and computation s. Based on this information, we propose a simple yet efficient algorithm to minimize the , while satisfying the practical constraints on caching, computation capability, and transmission capacity in the uplink and downlink. Numerical results show that our proposed algorithm can effectively reduce the compared with various baselines, and the impacts of communication, caching, and computing resources on latency performance are illustrated.

Keywords： Virtual reality delivery     Fog radio access network (F-RAN)     Round-trip latency     Resource allocation    

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Subspace-based identification of discrete time-delay system Article

Qiang LIU,Jia-chen MA

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 6,   Pages 566-575 doi: 10.1631/FITEE.1500358

Abstract: We investigate the identification problems of a class of linear stochastic time-delay systems with unknownA time-delay system is expressed as a delay differential equation with a single delay in the state vectorWe first derive an equivalent linear time-invariant (LTI) system for the time-delay system using a stateTo obtain a state-space model for the time-delay system, an alternate convex search (ACS) algorithm isThe time-delay system matrices under the same state-space basis can be recovered from the Kalman state

Keywords： Identification problems     Time-delay systems     Subspace identification method     Alternate convex search    

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The research on fast annealing microstructure evolution of low silicon TRIP steel with phosphorus

Chen Peng,Shen Chunyu,Xu Yunbo and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 48-53

Abstract:

The low silicon transformation induced plasticity（TRIP）steel with phosphorus addition at every stage

Keywords： automobile steel     TRIP steel     low silicon     fast annealing     microstructure evolution    

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Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 464-473 doi: 10.1007/s11708-019-0609-z

Abstract: The experimental observations indicate that the ignition delay times nonlinearly increase with an increasethe competition of small radicals, which primarily leads to the nonlinear increase in the ignition delay

Keywords： ignition delay time     shock tube     kinetic model     2     5-dimethylfuran (DMF)     n-heptane    

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Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Strategic Study of CAE 2014, Volume 16, Issue 1,   Pages 54-58

Abstract: steels and the low- carbon low- silicon phosphorus/chromium-contained transformation induced plasticity（TRIPResults revealed that the new-type TRIP steel possessed similar yield strength ， tensile strength increased

Keywords： hot- rolling     low-carbon TRIP steel     rolling process     fatigue property     fatigue fracture    

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Development and formability analysis of TRIP seamless steel tube

Zhang Zicheng and Zhu Fuxian

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 46-52

Abstract:

In the present study，the production technology of transformation induced plasticity（TRIP）steel wasThe TRIP steel tubes with a microstructure of ferrite，bainite，retained austenite and a little martensitetensile test and cold bending process were carried out to study the formability of the newly developed TRIPThe results showed that the TRIP seamless steel tubes have a good cold formability，and they are availablesteel tube and it may serve as an important reference for the industrial production of TRIP steel tube

Keywords： TRIP steel     heat treatment     formability     steel tube     microstructure    

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Anenhanced mixedmodulated Lagrange explicit time delay estimator with noisy input Article

Wei XIA,Ju-lei ZHU,Wen-ying JIANG,Ling-feng ZHU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 10,   Pages 1067-1073 doi: 10.1631/FITEE.1500417

Abstract: The mixed modulated Lagrange explicit time delay estimation (MMLETDE) algorithm provides an efficienttime delay estimation between narrowband or sinusoidal signals.

Keywords： Time delay estimation     Adaptive filter     Noisy input     Modulated Lagrange     Unbiased impulse response estimation    

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Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 2,   Pages 154-167 doi: 10.1007/s11465-015-0336-z

Abstract: investigation is to develop a computational intelligence-based framework which can be used for the real-timeTo reduce the complexity of real-time optimization, the authors propose an immune system-based clusteringThe intelligent real-time optimizer is also inspired on the basis of interactions in biological immune

Keywords： trip information preview     intelligent transportation     state-of-charge trajectory builder     immune systems    

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δ-TRIP steel：Physical and mechanical metallurgy

Yi Hongliang,Chen Peng,Wang Guodong and Ma Mingtu

Strategic Study of CAE 2014, Volume 16, Issue 2,   Pages 18-30

Abstract:

δ- transformation induced plasticity（TRIP） steel has performed high strength combined with excellentThe development of δ-TRIP，microstructure and mechanical properties，transformation and microstructure

Keywords： TRIP- steel     δ- ferrite     bainitic transformation     microstructural evolution     mechanical properties    

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Study on electrical ignition and micro-explosion properties of HAN-based monopropellant droplet

Yonggang YU, Ming LI, Yanhuang ZHOU, Xin LU, Yuzhu PAN,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 430-435 doi: 10.1007/s11708-010-0010-4

Abstract: When peak load voltage is from 80 to 140V/s, the ignition delay of the LP1846 droplet is linearly

Keywords： liquid propellant     electrical ignition     ignition delay time     transient measurement    

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Identification of Time-delay Systems and Correction of NARMA Model

Wng Dongqing

Strategic Study of CAE 2006, Volume 8, Issue 2,   Pages 39-43

Abstract:

The paper introduces complemental explanation and analysis of existing time-delay identification schemeof nonlinear systems; meanwhile, points out the impropriety of NARMA model correction strategy for time-delayThe neural networks predictive control of time-delay system is taken as an example to present the correct

Keywords： identification     NARMA model     neural network     predictive control    

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Message delay time distribution analysis for controller area network under errors Research Papers

Lei-ming ZHANG, Yi-chao SUN, Yong LEI

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 6,   Pages 760-772 doi: 10.1631/FITEE.1700815

Abstract: In this study, a novel delay time distribution analysis method for the response messages is proposedThen the message delay time distribution for the single slave node configuration is analyzed based onNext, based on the delay time distribution analysis of typical patterns and cases, an analysis frameworkof message delay time distribution for the master/slave configuration is developed.Experimental results show that the delay time distributions calculated by the proposed method agree well

Keywords： Controller area network     Message delay     Probability distribution     Errors    

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Complete synchronization of coupled Boolean networks with arbitrary finite delays Research Articles

Jie LIU, Lulu LI, HabibM. FARDOUN

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 2,   Pages 281-293 doi: 10.1631/FITEE.1900438

Abstract: The state delays and output delays may not be equal, and the state delay in each Boolean network may

Keywords： Boolean networks     Synchronization     Time delay    

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Title Author Date Type Operation

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

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

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

Joint uplink and downlink resource allocation for low-latency mobile virtual reality delivery in fog radio access networks

Tian DANG, Chenxi LIU, Xiqing LIU, Shi YAN,tiandang@bupt.edu.cn,chenxi.liu@bupt.edu.cn,liuxiqing@bupt.edu.cn,yanshi01@bupt.edu.cn

Journal Article

Subspace-based identification of discrete time-delay system

Qiang LIU,Jia-chen MA

Journal Article

The research on fast annealing microstructure evolution of low silicon TRIP steel with phosphorus

Chen Peng,Shen Chunyu,Xu Yunbo and Wang Guodong

Journal Article

Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Journal Article

Rolling process and fatigue property of a new-type hot-rolled low-carbon TRIP steel

Liu Ziquan,Tan Xiaodong,Yang Xiaolong,Xu Yunbo,Wu Di and Wang Guodong

Journal Article

Development and formability analysis of TRIP seamless steel tube

Zhang Zicheng and Zhu Fuxian

Journal Article

Anenhanced mixedmodulated Lagrange explicit time delay estimator with noisy input

Wei XIA,Ju-lei ZHU,Wen-ying JIANG,Ling-feng ZHU

Journal Article

Real-time immune-inspired optimum state-of-charge trajectory estimation using upcoming route information

Ahmad MOZAFFARI,Mahyar VAJEDI,Nasser L. AZAD

Journal Article

δ-TRIP steel：Physical and mechanical metallurgy

Yi Hongliang,Chen Peng,Wang Guodong and Ma Mingtu

Journal Article

Study on electrical ignition and micro-explosion properties of HAN-based monopropellant droplet

Yonggang YU, Ming LI, Yanhuang ZHOU, Xin LU, Yuzhu PAN,

Journal Article

Identification of Time-delay Systems and Correction of NARMA Model

Wng Dongqing

Journal Article

Message delay time distribution analysis for controller area network under errors

Lei-ming ZHANG, Yi-chao SUN, Yong LEI

Journal Article

Complete synchronization of coupled Boolean networks with arbitrary finite delays

Jie LIU, Lulu LI, HabibM. FARDOUN

Journal Article