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Leader-following consensus of second-order nonlinear multi-agent systems subject to disturbances None

Mao-bin LU, Lu LIU

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 1,   Pages 88-94 doi: 10.1631/FITEE.1800611

Abstract:

In this study, we investigate the leader-following consensus problem of a class of heterogeneous secondorderBy Barbalat’s lemma, we demonstrate that consensus of the second-order nonlinear multi-agent system canThe effectiveness of the main result is verified by its application to consensus control of a group of

Keywords： Multi-agent systems     Leader-following consensus     Distributed control    

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Finite-time coordinated path-following control of leader-following multi-agent systems Research Article

Weibin CHEN, Yangyang CHEN, Ya ZHANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10,   Pages 1511-1521 doi: 10.1631/FITEE.2100476

Abstract:

This paper presents applications of the continuous feedback method to achieve path-following and aIt is assumed that the topology for the virtual leader and followers is directed.A novel continuous path-following control law is first designed based on the and backstepping.Then a novel continuous formation algorithm is designed by regarding the path-following errors as disturbances

Keywords： Finite-time     Coordinated path-following     Multi-agent systems     Barrier function    

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Leader-following synchronization of a multi-agent system with heterogeneous delays Research Articles

Branislav Rehák, Volodymyr Lynnyk,rehakb@utia.cas.cz,volodymyr.lynnyk@utia.cas.cz

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 1,   Pages 1-140 doi: 10.1631/FITEE.2000207

Abstract: An algorithm is presented for leader-following synchronization of a composed of linear agents with .

Keywords： Multi-agent system     Time delay     Linear matrix inequality    

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Finite-time leader-follower consensus of a discrete-time system via sliding mode control Research Article

Ruizhuo SONG, Shi XING, Zhen XU

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1057-1068 doi: 10.1631/FITEE.2100565

Abstract: First, a novel consensus scheme is designed using a novel theory.

Keywords： Finite-time     Leader-follower consensus     Adaptive sliding mode control     Multi-agent systems    

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Emergence mechanisms of group consensus in social networks

Frontiers of Engineering Management doi: 10.1007/s42524-023-0277-x

Abstract: Reaching consensus within larger social network groups has emerged as a pivotal concern in the digitalThis article redefines group consensus as the emergence of collective intelligence resulting from self-organizingIn our exploration of extant research on group consensus, we illuminate two frequently underestimatedIn contrast to the conventional perspective of consensus as a mere outcome, we perceive it as an ongoingformation, thus elucidating the mechanisms responsible for the generation of group consensus.

Keywords： group consensus     social network     collective intelligence    

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Extended model predictive control scheme for smooth path following of autonomous vehicles

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 4-4 doi: 10.1007/s11465-021-0660-4

Abstract: This paper presents an extended model predictive control (MPC) scheme for implementing optimal path followingsolved by differential evolution optimization algorithm is proposed to realize optimal smooth path followingand satisfy the lateral dynamic stability and environmental constraints, which can improve the path following

Keywords： autonomous vehicles     vehicle dynamic modeling     model predictive control     path following     optimization    

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Right coronary occlusion following transcatheter aortic valve implantation: two case reports

Gang Zhang,Jun Luo,Guo Chen

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 351-355 doi: 10.1007/s11684-016-0465-8

Abstract:

This paper discusses two male patients with severe aortic stenosis, whose right coronary arteries (RCA) were completely occluded during transcatheter aortic valve implantation (TAVI), leading to fatal hemodynamic disorder. Occlusions of RCA complicated by TAVI are rare. In addition, emergency cardiopulmonary bypass (CPB) played a critical role in rescuing our second patient. Both patients were admitted for “severe aortic stenosis,” and TAVIs were performed. The first patient’s blood pressure immediately dropped to 70/40 mmHg after the balloon expansion and did not increase much after the administration of aramine or fluid therapy. He did not receive emergency surgery and died after 1.5 h of resuscitation. The second patient’s blood pressure fluctuated greatly for several minutes after the valve implantation, ranging from 170/100 mmHg to 60/40 mmHg. Angiography revealed a total occlusion of RCA. Thoracic surgery with CPB was performed, and the patient survived.

Keywords： aortic stenosis     transcatheter aortic valve implantation     right coronary occlusion     cardiac group    

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Universal influenza virus vaccines: what can we learn from the human immune response following exposure

Daniel Stadlbauer, Raffael Nachbagauer, Philip Meade, Florian Krammer

Frontiers of Medicine 2017, Volume 11, Issue 4,   Pages 471-479 doi: 10.1007/s11684-017-0602-z

Abstract:

Several universal influenza virus vaccine candidates based on eliciting antibodies against the hemagglutinin stalk domain are in development. Typically, these vaccines induce responses that target group 1 or group 2 hemagglutinins with little to no cross-group reactivity and protection. Similarly, the majority of human anti-stalk monoclonal antibodies that have been isolated are directed against group 1 or group 2 hemagglutinins with very few that bind to hemagglutinins of both groups. Here we review what is known about the human humoral immune response to vaccination and infection with H7 subtype influenza viruses on a polyclonal and monoclonal level. It seems that unlike vaccination with H5 hemagglutinin, which induces antibody responses mostly restricted to the group 1 stalk domain, H7 exposure induces both group 2 and cross-group antibody responses. A better understanding of this phenomenon and the underlying mechanisms might help to develop future universal influenza virus vaccine candidates.

Keywords： universal influenza virus vaccine     hemagglutinin stalk     H7N9    

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ORGANIC CARBON STOCKS IN A SILTY TEXTURED SOIL FOLLOWING REINTEGRATION OF A 20 YEARS OLD × SITE INTO

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 183-197 doi: 10.15302/J-FASE-2023485

Abstract:

● 0.98 Mg·ha−1·yr−1 Corg accumulation under miscanthus over 26 years.

Keywords： biobased energy crops     C balance     humus accumulation    

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A step forward in laparoscopic hepatectomy: comments on “Expert Consensus on Laparoscopic Hepatectomy

Eric C.H. Lai

Frontiers of Medicine 2013, Volume 7, Issue 4,   Pages 520-522 doi: 10.1007/s11684-013-0302-2

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Appendiceal inflammation affects the length of stay following appendicectomy amongst children: a myth

Khurram Siddique, Shirin Mirza, Gandra Harinath

Frontiers of Medicine 2013, Volume 7, Issue 2,   Pages 264-269 doi: 10.1007/s11684-013-0259-1

Abstract:

The effect of the severity of appendiceal inflammation on post-operative stay in children following

Keywords： appendiceal inflammation     post-operative stay     paediatrics    

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Improved control of hypertension following laparoscopic fundoplication for gastroesophageal reflux disease

Zhiwei Hu,Meiping Chen,Jimin Wu,Qing Song,Chao Yan,Xing Du,Zhonggao Wang

Frontiers of Medicine 2017, Volume 11, Issue 1,   Pages 68-73 doi: 10.1007/s11684-016-0490-7

Abstract:

This study aims to determine whether successful laparoscopic fundoplication for gastroesophageal reflux disease (GERD) can improve the control of hypertension. We conducted an observational study of GERD patients with hypertension. The esophageal and gastroesophageal symptoms of these patients were successfully treated with laparoscopic fundoplication, as measured by the reduced GERD symptoms and proton pump inhibitor consumption. A hypertension control scale was used to classify the use of antihypertensive medications and the quality of blood pressure control before and after anti-reflux surgery. Wilcoxon signed-ranks test was used for the statistical analyses. Seventy GERD patients were included in the analysis and followed up for a mean period of 3.5±1.4 years. Prior to surgery, all participating patients were taking at least one class of antihypertensive medication, and 56 patients (80%) had intermittently high blood pressure. After surgery, the mean number of antihypertensive medication classes per patient was significantly reduced from 1.61±0.77 pre-procedure to 1.27±0.88 post-procedure (P?<?0.001). The blood pressure of 48 of the 56 cases (86%) with preoperative intermittent high blood pressure returned to normal post procedure. A total of 50 patients (71%) recorded improvements on the hypertension control scale, with the overall mean score decreasing from 3.1±1.0 pre-procedure to 1.4±1.0 post-procedure (P?<?0.001). Therefore, successful laparoscopic fundoplication may result in better blood pressure control in some hypertensive GERD patients. This result suggests a possible connection between gastroesophageal reflux and hypertension.

Keywords： gastroesophageal reflux disease     hypertension     blood pressure     laparoscopic fundoplication    

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Chinese expert consensus on oral drugs for the treatment of mature B-cell lymphomas (2020 edition)

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 815-826 doi: 10.1007/s11684-021-0891-0

Abstract: Still, no guidelines or consensus focusing on oral drug therapies for BCL is available.Society of Hematology, Chinese Medical Association conducted an extensive discussion and reached a consensusThis consensus reviewed the application of oral drugs in the treatment of BCL and the latest research

Keywords： B-cell lymphoma     oral drug     targeted therapy     immunotherapy     COVID-19 pandemic    

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Overexpression of netrin-1 improves neurological outcomes in mice following transient middle cerebral

Haiyan LU, Yongting WANG, Falei YUAN, Jianrong LIU, Lili ZENG, Guo-Yuan YANG

Frontiers of Medicine 2011, Volume 5, Issue 1,   Pages 86-93 doi: 10.1007/s11684-011-0118-x

Abstract:

Netrin-1 (NT-1) is one of the axon-guiding molecules that are critical for neuronal development. Because of its structural homology to the endothelial mitogens, NT-1 may have similar effects on vascular network formation. NT-1 was shown to be able to stimulate the proliferation and migration of human cerebral endothelial cells in vitro and also promote focal neovascularization in adult brain in vivo. In the present study, we reported the delivery of NT-1 using an adeno-associated virus (AAV) vector (AAV-NT-1) into mouse brain followed by transient middle cerebral artery occlusion (tMCAO). We found that AAV vectors did not elicit a detectable inflammatory response, cell loss or neuronal damage after brain transduction. The level of NT-1 was increased in the AAV-NT-1-transduced tMCAO mice compared with the control mice. Furthermore, the neurobehavioral outcomes were significantly improved in AAV-NT-1-transduced mice compared with the control animals (P<0.05) 7 days after tMCAO. Our data suggests that NT-1 plays a neuronal function recovery role in ischemic brain and that NT-1 gene transfer might present a valuable approach to treat brain ischemic disorders.

Keywords： adeno-associated virus     angiogenesis     gene transfer     ischemia     middle cerebral artery occlusion     netrin-1    

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Consensus-reaching methods for hesitant fuzzy multiple criteria group decision making with hesitant fuzzy Article

Jie DING, Ze-shui XU, Hu-chang LIAO

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1679-1692 doi: 10.1631/FITEE.1601546

Abstract: paper, we develop two methods for hesitant fuzzy multiple criteria group decision making with group consensusThe aim of this paper is to present two novel consensus models applied in different group decision makingsituations, which are composed of consensus checking processes, consensus-reaching processes, and selectionAfter introducing the consensus measure, we develop two kinds of consensus-reaching procedures and thenAfter modifying the previous preference information by using our consensus measures, the result of the

Keywords： Multiple criteria group decision making     Group consensus     Consensus-reaching process     Hesitant fuzzy    

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Title Author Date Type Operation

Leader-following consensus of second-order nonlinear multi-agent systems subject to disturbances

Mao-bin LU, Lu LIU

Journal Article

Finite-time coordinated path-following control of leader-following multi-agent systems

Weibin CHEN, Yangyang CHEN, Ya ZHANG

Journal Article

Leader-following synchronization of a multi-agent system with heterogeneous delays

Branislav Rehák, Volodymyr Lynnyk,rehakb@utia.cas.cz,volodymyr.lynnyk@utia.cas.cz

Journal Article

Finite-time leader-follower consensus of a discrete-time system via sliding mode control

Ruizhuo SONG, Shi XING, Zhen XU

Journal Article

Emergence mechanisms of group consensus in social networks

Journal Article

Extended model predictive control scheme for smooth path following of autonomous vehicles

Journal Article

Right coronary occlusion following transcatheter aortic valve implantation: two case reports

Gang Zhang,Jun Luo,Guo Chen

Journal Article

Universal influenza virus vaccines: what can we learn from the human immune response following exposure

Daniel Stadlbauer, Raffael Nachbagauer, Philip Meade, Florian Krammer

Journal Article

ORGANIC CARBON STOCKS IN A SILTY TEXTURED SOIL FOLLOWING REINTEGRATION OF A 20 YEARS OLD × SITE INTO

Journal Article

A step forward in laparoscopic hepatectomy: comments on “Expert Consensus on Laparoscopic Hepatectomy

Eric C.H. Lai

Journal Article

Appendiceal inflammation affects the length of stay following appendicectomy amongst children: a myth

Khurram Siddique, Shirin Mirza, Gandra Harinath

Journal Article

Improved control of hypertension following laparoscopic fundoplication for gastroesophageal reflux disease

Zhiwei Hu,Meiping Chen,Jimin Wu,Qing Song,Chao Yan,Xing Du,Zhonggao Wang

Journal Article

Chinese expert consensus on oral drugs for the treatment of mature B-cell lymphomas (2020 edition)

Journal Article

Overexpression of netrin-1 improves neurological outcomes in mice following transient middle cerebral

Haiyan LU, Yongting WANG, Falei YUAN, Jianrong LIU, Lili ZENG, Guo-Yuan YANG

Journal Article

Consensus-reaching methods for hesitant fuzzy multiple criteria group decision making with hesitant fuzzy

Jie DING, Ze-shui XU, Hu-chang LIAO

Journal Article