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Chinese Physics B 2022年第4期31卷 394-403页

作者： Zhen-Nan Chen Meng-Bo Qian Fu-Xing Sun Jia-Xuan Pan Department of Mechanical Engineering Zhejiang A&F UniversityHangzhou 311300China

Contact force in a clearance joint affects the dynamic characteristics and leads to nonlinear response of the *** is necessary to assess the nonlinearity of contact force ***,a new method named contact-force entropy weight is proposed in this *** method presents a comprehensive description of the judgment matrix in the X,Y,and Z *** assess the influence degrees of different clearances and angular velocities on the contact force,the method is applied to numerical calculation and simulation of a six-bar mechanism with a clearance joint to illustrate its application and investigate the influence degree of angular velocity and clearance on the contact *** combining the simulation results and theoretical calculations,the influence degrees of different clearances and angular velocities on the contact-force entropy weight of the six-bar mechanism with a clearance joint are *** is found that the angular velocity has a significant influence on the contact force entropy weight of the clearance joint,showing that the contact-force entropy weight is a feasible new method of assessing non-linearity of contact force *** method gives a theoretical reference for quantitatively analyzing the nonlinear dynamics.

关键词： clearance joint entropy weight six-bar mechanism quantitative analysis

Comprehensive evaluation of combining CFD simulation and entropy weight to predict natural ventilation strategy in a sliding cover solar greenhouse

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International Journal of Agricultural and Biological Engineering 2021年第6期14卷 213-221页

作者： He Li Dong Ji Xi Hu Tian Xie Weitang Song Subo Tian College of Water Resources and Civil Engineering China Agricultural UniversityBeijing 100083China College of Engineering Shenyang Agricultural UniversityShenyang 110866China Key Laboratory of Protected Horticulture Ministry of EducationShenyang Agricultural UniversityShenyang 110866China

This study proposed a comprehensive evaluation system to incorporate the contribution of both numerical simulation and statistical decision theory in ventilation performance assessment.A high-resolution model based on the finite volume approach was established to analyze the influence of rotation angles(i.e.,side vent flip angle and roof vent flip angle)of the rack-and-pinion ventilated structure on the greenhouse *** water circulating system and tomato seeding canopies were *** removal efficiency and mean age of air were employed as quantitative attributes to reflect the internal thermal environment and the airflow organization in the sliding cover solar *** simulation model was verified with the temperature profile measured and the average relative error was 1.74%.The results demonstrate that the rotating angles of ventilation schemes have a substantial impact on the microclimate and inhomogeneity of the tomato seeding *** results suggest the average velocity and its inhomogeneity are the crucial predictors,and their entropy weight values are 0.231 and 0.218,*** relative degree of membership of the side vent flip angle of 45°is 36%and 97%higher than that of the side vent flip angle of 35°and the side vent flip angle of 25°,*** study can provide a reference to evaluate the ventilated strategies of the sliding cover solar greenhouse for the regional and central government.

关键词： sliding cover solar greenhouse natural ventilation CFD simulation entropy weight comprehensive evaluation

Prediction of rock burst classification using cloud model with entropy weight

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Transactions of Nonferrous Metals Society of China 2016年第7期26卷 1995-2002页

作者：周科平林允邓红卫李杰林刘传举中南大学资源与安全工程学院长沙410083

The method of cloud model with entropy weight was adopted for the prediction of rock burst classification. Some main factors of rock burst including the uniaxial compressive strength （σc）, the tensile strength （σt）, the tangential stress （σθ）, the rock brittleness coefficient （σc/σt）, the stress coefficient （σθ /σc） and the elastic energy index （Wet） are chosen to establish evaluation index system. The entropy？cloud model and criterion are obtained through 209 sets of rock burst samples from underground rock projects. The sensitivity of indicators is analyzed and 209 sets of rock burst samples are discriminated by this model. The discriminant results of the entropy-cloud model are compared with those of Bayes, KNN and RF methods. The results show that the sensitivity order of those factors from high to low is σ_θ /σ_c, σ_θ, W_（ct）, σ_c/σ_t, σ_t, σ_c, and the entropy-cloud model has higher accuracy than Bayes, K-Nearest Neighbor algorithm （KNN） and Random Forest （RF） methods.

关键词： rock burst prediction cloud model entropy weight sensitivity

Establishment of an indicator framework for the transmission risk of the mountain-type zoonotic visceral leishmaniasis based on the Delphi-entropy weight method

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Infectious Diseases of Poverty 2022年第6期11卷 27-37页

作者： Zhuowei Luo Zhengbin Zhou Yuwan Hao Jiaxin Feng Yanfeng Gong Yuanyuan Li Yun Huang Yi Zhang Shizhu Li National Institute of Parasitic Diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)NHC Key Laboratory of Parasite and Vector BiologyWHO Collaborating Centre for Tropical DiseasesNational Center for International Research On Tropical DiseasesShanghai 200025China

Background: Visceral leishmaniasis (VL) is one of the most important neglected tropical diseases. Although VL was controlled in several regions of China during the last century, the mountain-type zoonotic visceral leishmaniasis (MT-ZVL) has reemerged in the hilly areas of China in recent decades. The purpose of this study was to construct an indicator framework for assessing the risk of the MT-ZVL in China, and to provide guidance for preventing ***: Based on a literature review and expert interview, a 3-level indicator framework was initially established in November 2021, and 28 experts were selected to perform two rounds of consultation using the Delphi method. The comprehensive weight of the tertiary indicators was determined by the Delphi and the entropy weight ***: Two rounds of Delphi consultation were conducted. Four primary indicators, 11 secondary indicators, and 35 tertiary indicators were identified. The Delphi-entropy weight method was performed to calculate the comprehensive weight of the tertiary indicators. The normalized weights of the primary indicators were 0.268, 0.261, 0.242, and 0.229, respectively, for biological factors, interventions, environmental factors, and social factors. The normalized weights of the top four secondary indicators were 0.122, 0.120, 0.098, and 0.096, respectively, for climatic features, geographical features, sandflies, and dogs. Among the tertiary indicators, the top four normalized comprehensive weights were the population density of sandflies (0.076), topography (0.057), the population density of dogs, including tethering (0.056), and use of bed nets or other protective measures (0.056).Conclusions: An indicator framework of transmission risk assessment for MT-ZVL was established using the Delphientropy weight method. The framework provides a practical tool to evaluate transmission risk in endemic areas.

关键词： Mountain-type zoonotic visceral leishmaniasis Transmission risk Indicator framework Delphi entropy weight China

The entropy weight fuzzy comprehension evaluation of enterprise knowledge competitiveness

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Chinese Business Review 2010年第2期9卷 46-50页

作者： YU Lei WANG Shu-zhen Department of Business Agriculture University of Hebei Baoding 071001 China

With the constant development of knowledge-based economy, knowledge has become the core competitiveness of enterprise, which plays a vital role in the development of enterprise and market competition. It will be helpful for enterprise managers to improve their knowledge competitiveness, if they can judge the advantage and disadvantage of knowledge competitiveness reasonably. According to the nature and the characteristic of knowledge competitiveness of enterprise, a system of evaluation index has been designed about the knowledge competitiveness of enterprise. Taking the enterprise A as an example, it is appraised by using fuzzy comprehension evaluation based on entropy weight, and has provided a new idea for the knowledge competitiveness of enterprise.

关键词： knowledge competitiveness entropy weight fuzzy comprehension evaluation

Assessment of Coal Mine Safety Based on Bayesian Method with entropy weight

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Assessment of Coal Mine Safety Based on Bayesian Method with...

第30届中国控制与决策会议

作者： Mao Lizhen Feng Daguang Foreign Languages Teaching Department Shenyang Agricultural University Institute of Sciences Shenyang Agricultural University

Assessment of coal mine safety is the basis of its safe management, not only provides safety precautions against accidents, but also gives proposals for its investment in production and safety management, as well as the improvement of its economic effectiveness. An algorithm, with Bayesian theory combined with entropy weight, is applied to the assessment of safety for a southern coal mine based on 6 indexes. The results show that the algorithm is practical and effective for the assessment of coal mine safety and provides a new and more scientific method for its safety assessment.

关键词： entropy weight Bayesian theorem Coal mine safety Index of assessment

Study on Fuzzy Multi-attribute Decision-making Based on entropy weight

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Study on Fuzzy Multi-attribute Decision-making Based on Entr...

第三十届中国控制会议

作者： YANG Jing Safety and environment school of Capital University of economics and business,Beijing 100070,P.R.China

＜正＞With regard to the fuzzy multi-attribute decision making（FMADM） problems,in which the information about attribute weight s are unknown completely and the attribute values are in the form triangular fuzzy numbers,a method based on entropy weight of the fuzzy information is *** entropy w eight is given through fuzzy interval arithmetic based on level sets and optimistic index,then analyses and evaluates to fuzzy system according to entropy *** example shows that this method based on entropy weigh t is scientific and reasonable.

关键词： Operations Research Fuzzy Multi-Attribute Decision-Making entropy weight Approximation Degree

Fuzzy comprehensive evaluation on the photovoltaic power generation project investment risk based on APF and entropy weight method

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Fuzzy comprehensive evaluation on the photovoltaic power gen...

第八届中国功能材料及其应用学术会议

作者： ZHANG Dong-fang ZHANG Jing JIANG Ting-ting XU Tao WANG Chao Electrical Engineering College GUIZHOU UNIVERSITY

Photovoltaic power generation is one of the important ways to ensure our country’s energy security and to realize the sustainable development of *** are focused on the investment risk decision making,and the key problem of which is risk *** photovoltaic power generation project investment risk characteristic is analyzed in the paper,and the risk evaluation index system is set up,which is based on the APF and entropy weight,then fuzzy comprehensive evaluation on the photovoltaic power generation project investment *** result shows that the investment risk is mainly affected by the two factors of the technological level and the central government support,and the investment risk is ***,it is imperative for the government of Department of energy to develop more effective policies to strengthen the photovoltaic industry,and encourage technological innovation.

关键词： entropy weight Photovoltaic power generation Fuzzy comprehensive evaluation

On Position-occupying Optimization Based on entropy weight

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On Position-occupying Optimization Based on Entropy Weight

第二十六届中国控制会议

作者： Jia Yue,Song Baowei,Zhao Xiangtao,Liang Qingwei College of marine engineering,Northwestern Polytechnical University,Xi''an 710072,P.R.China

This paper analyzes relative intensity of all kinds of factors that affect the accomplishment of combat mission in Position-occupying programs by Fuzzy AHP *** establish fuzzy estimation matrix by compare with all kinds of *** figures out entropy weight by calculating fuzzy interval according to elements of cut set a and l which commander’s contentment optimism degree to fuzzy estimation *** decision-maker determines priority of combat programs to be *** it gives an example to calculate and give a total optimization decision-making order to all kinds of combat *** judgment way takes on guidance meaning to combat programs optimization.

关键词： System Optimization Position-occupying Programs entropy weight Fuzzy AHP

APPLICATION OF TOPSIS BASED ON entropy weight IN SUPPLIER SELECTION

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APPLICATION OF TOPSIS BASED ON ENTROPY WEIGHT IN SUPPLIER SE...

2005年中国机械工程学会年会

作者： YANG Yuzhong, WU Liyun, ZHANG Qiang (School of Management & Economics, Beijing Institute of Technology, Beijing, 100081 School of Energy Science & Engineering, Henan Polytechnic University, Jiaozuo, 454010)

＜正＞Supplier selection is one of the most important phases in supply chain management. The system of evaluation indices for supplier selection was put forward based on automobile manufacturing enterprise. At the same time, the multi-level model of TOPSIS, which is based on entropy weight, was constructed. The subjectivity which lies in ascertaining factors’ weights in lower hierarchy was avoided in this model. So the evaluation result is more objective than other evaluation methods. There is much reference value to decision making for managers. The improved model was applied in supplier selection in some automobile manufacturing enterprise. The evaluation result indicates that this method be more reasonable and easier to grasp than other methods. So it is easier to popularize this evaluation method in enterprises.

关键词： entropy weight TOPSIS supplier selection the relative adjacent degree