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Emergence mechanisms of group consensus in social networks

《工程管理前沿（英文）》 doi: 10.1007/s42524-023-0277-x

摘要： Reaching consensus within larger social network groups has emerged as a pivotal concern in the digital age of connectivity. This article redefines group consensus as the emergence of collective intelligence resulting from self-organizing actions and interactions of individuals within a social network group. In our exploration of extant research on group consensus, we illuminate two frequently underestimated, yet noteworthy facets: Dynamism and emergence. In contrast to the conventional perspective of consensus as a mere outcome, we perceive it as an ongoing, dynamic process. This process encompasses self-organized communication and interaction among group members, collectively guiding the group towards cognitive convergence and viewpoint integration. Consequently, it is imperative to redirect our focus from the outcomes of group interactions to an examination of the relationships and processes underpinning consensus formation, thus elucidating the mechanisms responsible for the generation of group consensus. The amalgamation of cognitive contexts and accurate simplification of real-world scenarios for simulation and experimental analysis offers a pragmatic operational approach. This study contributes novel theoretical underpinnings and quantitative insights for establishing and sustaining group consensus within the realm of engineering management practices. Concurrently, it holds substantial importance for advancing the broader research landscape pertaining to social consensus.

关键词： group consensus     social network     collective intelligence    

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A consensus model for group decision making under interval type-2 fuzzy environment

Xiao-xiong ZHANG,Bing-feng GE,Yue-jin TAN

《信息与电子工程前沿（英文）》 2016年 第17卷 第3期   页码 237-249 doi: 10.1631/FITEE.1500198

摘要： We propose a new consensus model for group decision making (GDM) problems, using an interval type-2 fuzzy environment. In our model, experts are asked to express their preferences using linguistic terms characterized by interval type-2 fuzzy sets (IT2 FSs), because these can provide decision makers with greater freedom to express the vagueness in real-life situations. Consensus and proximity measures based on the arithmetic operations of IT2 FSs are used simultaneously to guide the decision-making process. The majority of previous studies have taken into account only the importance of the experts in the aggregation process, which may give unreasonable results. Thus, we propose a new feedback mechanism that generates different advice strategies for experts according to their levels of importance. In general, experts with a lower level of importance require a larger number of suggestions to change their initial preferences. Finally, we investigate a numerical example and execute comparable models and ours, to demonstrate the performance of our proposed model. The results indicate that the proposed model provides greater insight into the GDM process.

关键词： Group decision making (GDM)     Interval type-2 fuzzy sets (IT2 FSs)     Feedback mechanism    

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基于犹豫模糊决策矩阵的犹豫模糊多准则共识群决策方法 Article

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

《信息与电子工程前沿（英文）》 2017年 第18卷 第11期   页码 1679-1692 doi: 10.1631/FITEE.1601546

摘要： 群决策在管理决策和经济领域有着重要作用。本文建立了两种关于犹豫模糊多准则群共识决策的方法，并使用犹豫模糊决策矩阵（hesitant fuzzy decision matrices, HFDMs）表示专家的偏好。本文建立了两个新颖的、可应用于不同群决策环境的共识模型，其中共识决策过程包括：共识检验过程，共识达成过程和选择过程。专家以犹豫模糊集的方式表达自己的选择，然后通过集成算子计算每个准则下的犹豫模糊集。此外，基于两个专家在决策之间的偏差计算出任意两个犹豫模糊集之间的距离。本文建立了两种达成共识的方法，并提出了两种犹豫模糊多准则群决策方法的具体计算步骤。最后通过具体案例分析了苹果公司以旧换新的决策过程。该案例旨在让所有专家在进行选择决策之前达成高度共识，避免一些专家的偏好值过高或过低。通过共识测量修正的偏好信息可令决策结果更加合理。

关键词： 多准则群决策；群共识；共识达成方法；犹豫模糊决策矩阵；集成算子    

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Improved approach to quality function deployment based on Pythagorean fuzzy sets and application to assembly robot design evaluation

Huchang LIAO, Yinghan CHANG, Di WU, Xunjie GOU

《工程管理前沿（英文）》 2020年 第7卷 第2期   页码 196-203 doi: 10.1007/s42524-019-0038-z

摘要： Quality function deployment (QFD) is an effective method that helps companies analyze customer requirements (CRs). These CRs are then turned into product or service characteristics, which are translated to other attributes. With the QFD method, companies could design or improve the quality of products or services close to CRs. To increase the effectiveness of QFD, we propose an improved method based on Pythagorean fuzzy sets (PFSs). We apply an extended method to obtain the group consensus evaluation matrix. We then use a combined weight determining method to integrate former weights to objective weights derived from the evaluation matrix. To determine the exact score of each PFS in the evaluation matrix, we develop an improved score function. Lastly, we apply the proposed method to a case study on assembly robot design evaluation.

关键词： quality function deployment     Pythagorean fuzzy sets     group consensus     combined weights     assembly robot design    

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A review of intelligent optimization for group scheduling problems in cellular manufacturing

《工程管理前沿（英文）》   页码 406-426 doi: 10.1007/s42524-022-0242-0

摘要： Given that group technology can reduce the changeover time of equipment, broaden the productivity, and enhance the flexibility of manufacturing, especially cellular manufacturing, group scheduling problems (GSPs) have elicited considerable attention in the academic and industry practical literature. There are two issues to be solved in GSPs: One is how to allocate groups into the production cells in view of major setup times between groups and the other is how to schedule jobs in each group. Although a number of studies on GSPs have been published, few integrated reviews have been conducted so far on considered problems with different constraints and their optimization methods. To this end, this study hopes to shorten the gap by reviewing the development of research and analyzing these problems. All literature is classified according to the number of objective functions, number of machines, and optimization algorithms. The classical mathematical models of single-machine, permutation, and distributed flowshop GSPs based on adjacent and position-based modeling methods, respectively, are also formulated. Last but not least, outlooks are given for outspread problems and problem algorithms for future research in the fields of group scheduling.

关键词： cellular manufacturing     group scheduling     flowshop     literature review    

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

《医学前沿（英文）》 2022年 第16卷 第5期   页码 815-826 doi: 10.1007/s11684-021-0891-0

摘要： Oral drugs such as ibrutinib play an important role in the treatment of mature B-cell lymphoma (BCL) due to their reliable efficacy, manageable safety, high accessibility, and convenience for use. Still, no guidelines or consensus focusing on oral drug therapies for BCL is available. To provide a reference of oral agent-based treatment for mature BCL, a panel of experts from the Lymphocyte Disease Group, Chinese Society of Hematology, Chinese Medical Association conducted an extensive discussion and reached a consensus on oral drugs for Chinese BCL patients on the basis of the current application status of oral drugs in China, combined with the latest authoritative guidelines in the world and current research reports. This consensus reviewed the application of oral drugs in the treatment of BCL and the latest research and provided appropriate recommendations on the use of oral drugs for indolent or aggressive BCL patients. With the deepening of research and the development of standardized clinical applications, oral medications will bring better treatment to BCL patients, enabling more patients to benefit from them.

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

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The 9th China Engineering Management Forum Guangzhou Consensus

《工程管理前沿（英文）》 2015年 第2卷 第2期   页码 105-107 doi: 10.15302/J-FEM-2015019

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A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

《信息与电子工程前沿（英文）》 2020年 第21卷 第10期   页码 1413-1534 doi: 10.1631/FITEE.1900451

摘要： Generally, the (DBA) method uses multiple worker nodes to solve the bundle adjustment problems and overcomes the computation and memory storage limitations of a single computer. However, the performance considerably degrades owing to the introduced by the additional block partitioning step and synchronous waiting. Therefore, we propose a low- consensus framework. A based asynchronous method is proposed to early achieve consensus with respect to the faster worker nodes to avoid waiting for the slower ones. A scene summarization procedure is designed and integrated into the block partitioning step to ensure that clustering can be performed on the small summarized scene. Experiments conducted on public datasets show that our method can improve the worker node utilization rate and reduce the block partitioning time. Also, sample applications are demonstrated using our large-scale culture heritage datasets.
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Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

《机械工程前沿（英文）》 2023年 第18卷 第1期 doi: 10.1007/s11465-022-0733-z

摘要： Carbon group nanofluids can further improve the friction-reducing and anti-wear properties of minimum quantity lubrication (MQL). However, the formation mechanism of lubrication films generated by carbon group nanofluids on MQL grinding interfaces is not fully revealed due to lack of sufficient evidence. Here, molecular dynamic simulations for the abrasive grain/workpiece interface were conducted under nanofluid MQL, MQL, and dry grinding conditions. Three kinds of carbon group nanoparticles, i.e., nanodiamond (ND), carbon nanotube (CNT), and graphene nanosheet (GN), were taken as representative specimens. The [BMIM]BF4 ionic liquid was used as base fluid. The materials used as workpiece and abrasive grain were the single-crystal Ni–Fe–Cr series of Ni-based alloy and single-crystal cubic boron nitride (CBN), respectively. Tangential grinding force was used to evaluate the lubrication performance under the grinding conditions. The abrasive grain/workpiece contact states under the different grinding conditions were compared to reveal the formation mechanism of the lubrication film. Investigations showed the formation of a boundary lubrication film on the abrasive grain/workpiece interface under the MQL condition, with the ionic liquid molecules absorbing in the groove-like fractures on the grain wear’s flat face. The boundary lubrication film underwent a friction-reducing effect by reducing the abrasive grain/workpiece contact area. Under the nanofluid MQL condition, the carbon group nanoparticles further enhanced the tribological performance of the MQL technique that had benefited from their corresponding tribological behaviors on the abrasive grain/workpiece interface. The behaviors involved the rolling effect of ND, the rolling and sliding effects of CNT, and the interlayer shear effect of GN. Compared with the findings under the MQL condition, the tangential grinding forces could be further reduced by 8.5%, 12.0%, and 14.1% under the diamond, CNT, and graphene nanofluid MQL conditions, respectively.

关键词： grinding     minimum quantity lubrication     carbon group nanofluid     tribological mechanism    

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多智能体系统的二分异步脉冲跟踪一致性 Research Article

张玲忠1,李媛媛2,楼俊钢3,卢剑权4

《信息与电子工程前沿（英文）》 2022年 第23卷 第10期   页码 1522-1532 doi: 10.1631/FITEE.2100122

摘要：

本文研究了多智能体系统如何通过实施异步脉冲控制输入实现分布式二分领导跟随一致性。所提出的异步脉冲控制方法不要求所有多智能体的脉冲信号同时发生。多智能体系统相邻节点之间的通信链路存在合作或竞争关系。在领导者控制输入非零的情况下，得到了在闭环多智能体系统中实现二分异步脉冲跟踪一致性的充分条件。本文讨论了更广泛的异步脉冲效应范围。所设计的控制器反馈部分可有效对抗脉冲扰动。给出了估计脉冲增益边界和异步脉冲区间的简单代数条件。最后，通过数值仿真验证了理论结果的合理性。

关键词： 二分追踪；多智能体系统；异步脉冲；一致性    

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碳中和政策机制及社会共识的国际经验与启示

杨雷,毕云青,郑平,金之钧

《中国工程科学》 2021年 第23卷 第6期   页码 101-107 doi: 10.15302/J-SSCAE-2021.06.011

摘要：

现阶段，大部分发达国家碳排放已达峰且进入排放快速下降时期，纷纷出台更加积极有效的措施，力争在实现碳中和的同时占据新兴产业发展的优势地位。本文旨在梳理发达国家实现碳达峰、推进碳中和过程中的政策机制及促进社会共识方面的相关措施，为我国提供发展借鉴。梳理不同发达国家的经验并比较分析了其可取之处，总结了发达国家碳中和政策机制方面给我们带来的启发，据此形成我国碳中和路径的发展建议。国际经验表明，碳中和是一项系统工程，需要多措并举、有序推进，在减少转型成本的同时加快培育新兴产业；碳中和愿景的实现需要完善的市场化机制并加快能源市场化改革；碳中和不仅是能源和经济的转型，也将对个人的生活方式带来改变，因而普遍的社会共识是成功实现碳中和的重要保障。研究建议，做好顶层设计和分阶段的碳减排行动计划，加快和深化能源市场化改革，加强社会动员以凝聚公众的全面共识，不断深化国际合作。

关键词： 碳中和     国际经验     系统工程     能效     市场化改革     社会共识    

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具有领航者的二阶非线性多智能体系统在外部扰动下的同步控制 None

Mao-bin LU, Lu LIU

《信息与电子工程前沿（英文）》 2019年 第20卷 第1期   页码 88-94 doi: 10.1631/FITEE.1800611

摘要： 研究了一类异质二阶非线性多智能体系统在外部扰动影响下的同步控制问题。其中，非线性系统允许包含可线性参数化的未知参数。提出一种新颖的分布式控制器，此控制器依赖于系统的相对状态，因此可以在多智能体系统之间没有通讯的情况下应用。通过Barbalat引理，证明此分布式控制器可求解二阶非线性多智能体系统的同步控制问题。对一组Van der Pol振荡器进行同步控制的应用示例验证了主要结果的有效性。

关键词： 多智能体系统；同步控制；分布式控制    

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An overview on the applications of the hesitant fuzzy sets in group decision-making: Theory, support

Zeshui XU, Shen ZHANG

《工程管理前沿（英文）》 2019年 第6卷 第2期   页码 163-182 doi: 10.1007/s42524-019-0017-4

摘要： Due to the characteristics of hesitant fuzzy sets (HFSs), one hesitant fuzzy element (HFE), which is the basic component of HFSs, can express the evaluation values of multiple decision makers (DMs) on the same alternative under a certain attribute. Thus, the HFS has its unique advantages in group decision making (GDM). Based on which, many scholars have conducted in-depth research on the applications of HFSs in GDM. We have viewed lots of relevant literature and divided the existing studies into three categories: theory, support and methods. In this paper, we elaborate on hesitant fuzzy GDM from these three aspects. The first aspect is mainly about the introduction of HFSs, HFPRs and some hesitant fuzzy aggregation operators. The second aspect describes the consensus process under hesitant fuzzy environment, which is an important support for a complete decision-making process. In the third aspect, we introduce seven hesitant fuzzy GDM approaches, which can be applied in GDM under different decision-making conditions. Finally, we summarize the research status of hesitant fuzzy GDM and put forward some directions of future research.

关键词： hesitant fuzzy set     hesitant fuzzy preference relation     group decision-making    

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Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

《化学科学与工程前沿（英文）》 2023年 第17卷 第8期   页码 1075-1084 doi: 10.1007/s11705-022-2272-x

摘要： Inspired by the importance of the phenolic group to the electron transporting property of hole transport materials, phenolic hydroxyl groups were introduced in lignosulfonate (LS) via the alkyl chain bridging method to prepare phenolated-lignosulfonate (PLS). The results showed that the phenolic group was boosted from 0.81 mmol∙g–1 of LS to 1.19 mmol∙g–1 of PLS. The electrochemical property results showed two oxidation peaks in the cyclic voltammogram (CV) curve of PLS, and the oxidation potential of the PLS-modified electrode decreased by 0.5 eV compared with that of LS. This result indicates that PLS is more easily oxidized than LS. Based on the excellent electron transporting property of PLS, PLS was applied as a dopant in poly(3,4-ethylenedioxythiophene) (PEDOT, called PEDOT:PLSs). PLS showed excellent dispersion properties for PEDOT. Moreover, the transmittance measurement results showed that the transmittance of PEDOT:PLSs exceeded 85% in the range of 300–800 nm. The CV results showed that the energy levels of PEDOT:PLSs could be flexibly adjusted by PLS amounts. The results indicate that the phenolic hydroxyl group of lignin can be easily boosted by the alkyl chain bridging method, and phenolated lignin-based polymers may have promising potential as dopants of PEDOT to produce hole transporting materials for different organic photovoltaic devices.

关键词： lignosulfonate     phenolic group     PEDOT:PLS     hole extract layer     energy level    

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标题 作者 时间 类型 操作

Emergence mechanisms of group consensus in social networks

期刊论文

A step forward in laparoscopic hepatectomy: comments on “Expert Consensus on Laparoscopic Hepatectomy(2013 Version) by National Hepatic Surgery Group, Society of Surgery, Chinese Medical Association”

null

期刊论文

A consensus model for group decision making under interval type-2 fuzzy environment

Xiao-xiong ZHANG,Bing-feng GE,Yue-jin TAN

期刊论文

基于犹豫模糊决策矩阵的犹豫模糊多准则共识群决策方法

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

期刊论文

Improved approach to quality function deployment based on Pythagorean fuzzy sets and application to assembly robot design evaluation

Huchang LIAO, Yinghan CHANG, Di WU, Xunjie GOU

期刊论文

A review of intelligent optimization for group scheduling problems in cellular manufacturing

期刊论文

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

期刊论文

The 9th China Engineering Management Forum Guangzhou Consensus

期刊论文

A low-overhead asynchronous consensus framework for distributed bundle adjustment

Zhuo-hao Liu, Chang-yu Diao, Wei Xing, Dong-ming Lu,roadliu@zju.edu.cn,dcy@zju.edu.cn

期刊论文

Tribological mechanism of carbon group nanofluids on grinding interface under minimum quantity lubrication

期刊论文

多智能体系统的二分异步脉冲跟踪一致性

张玲忠1,李媛媛2,楼俊钢3,卢剑权4

期刊论文

碳中和政策机制及社会共识的国际经验与启示

杨雷,毕云青,郑平,金之钧

期刊论文

具有领航者的二阶非线性多智能体系统在外部扰动下的同步控制

Mao-bin LU, Lu LIU

期刊论文

An overview on the applications of the hesitant fuzzy sets in group decision-making: Theory, support

Zeshui XU, Shen ZHANG

期刊论文

Lignin-based polymer with high phenolic hydroxyl group content prepared by the alkyl chain bridging method

期刊论文