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2010 International Conference of Logistics Engineering and management: Logistics for Sustained Economic Development - Infrastructure, Information, Integration, ICLEM 2010

作者： Ni, Zhiwei Gao, Yazhuo Liu, Ye Key Lab. of Process Optimization and Intelligent Decision-Making of Ministry of Education School of Management Hefei Univ. of Technology Hefei 230009 China

ISBN: (纸本)9780784411391

The optimization of distribution routing is a key problem of logistics systems optimization, and can be considered as a traveling salesman problem (TSP). In this paper, the optimization of distribution routing is transformed into TSP, and dissimilar order crossover operator is proposed to improve the genetic algorithm (GA) to solve TSP. The improved crossover operator is based on natural representation, which makes the offspring inherit the excellent substrings of its parent and speeds up the convergence of GA. Simultaneously, steady state reproduction without duplicates is adopted to avoid prematurity. It is proved that the improved GA provides prominent performance for both TSP and asymmetric traveling salesman problem (ATSP), which will facilitate the optimization of distribution routing. © 2010 ASCE.

关键词： Logistics

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A method based on manifold learning and bagging for text classification

A method based on manifold learning and bagging for text cla...

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2011 2nd International Conference on Artificial Intelligence, management Science and Electronic Commerce, AIMSEC 2011

作者： Li, Feng Gang Fan, Ji Li Wang, Li Zhang, Hu Lin Duan, Rui School of Management Hefei University of Technology Hefei 230009 China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of Education Hefei University of Technology Hefei 230009 China

ISBN: (纸本)9781457705366

In order to solve the problem of high dimension in text classification, the paper proposes a method based on manifold learning and Bagging for text classification which imports manifold learning algorithm for dimension *** Bagging algorithm is introduced when training classifier to improve the accuracy of text classification. Experimental results demonstrate that effect of text dimension reduction by manifold learning algorithm in the pretreatment of text classification is better, and the performance of the classifier has improved significantly. © 2011 IEEE.

关键词： Classification (of information)

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Ensemble Classifier Design Based on Perturbation Binary Salp Swarm Algorithm for Classification

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Computer Modeling in Engineering & Sciences 2023年第4期135卷 653-671页

作者： Xuhui Zhu Pingfan Xia Qizhi He Zhiwei Ni Liping Ni School of Management Hefei University of TechnologyHefei230009China School of Statistics Zhejiang Gongshang UniversityHangzhou310018China Key Laboratory of Process Optimization and Intelligent Decision-Making Ministry of EducationHefei230009China Collaborative Innovation Center for Statistical Data Engineering Technology and Application ZhejiangGongshang UniversityHangzhou310018China

Multiple classifier system exhibits strong classification capacity compared with single classifiers,but they require significant computational *** ensemble system aims to attain equivalent or better classification accuracy with fewer ***,current methods fail to identify precise solutions for constructing an ensemble *** this study,we propose an ensemble classifier design technique based on the perturbation binary salp swarm algorithm(ECDPB).Considering that extreme learning machines(ELMs)have rapid learning rates and good generalization ability,they can serve as the basic classifier for creating multiple candidates while using fewer computational ***,we introduce a combined diversity measure by taking the complementarity and accuracy of ELMs into account;it is used to identify the ELMs that have good diversity and low *** addition,we propose an ECDPB with powerful optimizing ability;it is employed to find the optimal subset of *** selected ELMs can then be used to forman ensemble *** on 10 benchmark datasets have been conducted,and the results demonstrate that the proposed ECDPB delivers superior classification capacity when compared with alternative methods.

关键词： Ensemble classifier salp swarmalgorithm diversity measure multiple classifiers system extreme learning machine

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Dynamic properties of chasers in a moving queue based on a delayed chasing model

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Chinese Physics B 2016年第5期25卷 106-110页

作者：郭宁丁建勋凌翔石琴 Reinhart Kühne School of Engineering Science University of Science and Technology of China Hefei 230026 China School of Transportation Engineering Hefei University of Technology Hefei 230009 China Key Laboratory of Process Optimization and Intelligent Decision-Making of Ministry of Education Hefei 230009 China Department for Transportation University of Stuttgart Stuttgart 70174 Germany

A delayed chasing model is proposed to simulate the chase behavior in the queue, where each member regards the closest one ahead as the target, and the leader is attracted to a target point with slight fluctuation. When the initial distances between neighbors possess an identical low value, the fluctuating target of the leader can cause an amplified disturbance in the queue. After a long period of time, the queue recovers the stable state from the disturbance, forming a straightline-like pattern again, but distances between neighbors grow. Whether the queue can keep stable or not depends on initial distance, desired velocity, and relaxation time. Furthermore, we carry out convergence analysis to explain the divergence transformation behavior and confirm the convergence conditions, which is in approximate agreement with simulations.

关键词： chase queue disturbance convergence analysis

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Development and implementation of WEB-based online hotel reservation system

Development and implementation of WEB-based online hotel res...

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2013 International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2013

作者： Hu, Ping Gu, Dong Xiao Department of Management of Hefei University HeFei Anhui 230601 China Key Laboratory of Process Optimization Intelligent Decision-making of Ministry of Education China School of Management at Hefei University of Technology Hefei Anhui 230009 China

ISBN: (纸本)9781629933405

The Internet accelerates the communication and understandings between people, which make information unprecedented important. Furthermore, it changes the way that people book rooms, which makes rooms-booking diversified, convenient, and individualized. Out of the demand of modern hotels and based on the B/S model, this paper analyzes and designs the hotel booking operation, and achieves the functions of register, login-in, reservation, customer management, and reservation management, and etc., in order to improve the efficiency of hotel reservation. © 2013 Trans Tech Publications Ltd, Switzerland.

关键词： Hotels

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Integrated production and delivery withmultiple factories and multiple customers

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International Journal of Systems Science: Operations and Logistics 2017年第3期4卷 219-228页

作者： Li, Kai Zhang, Xun Leung, Joseph Y-T. Cheng, Ba-yi School of Management Hefei University of Technology Hefei China Key Laboratory of Process Optimization and Intelligent Decision-Making of Ministry of Education Hefei China Department of Computer Science New Jersey Institute of Technology Newark NJ United States

This paper considers coordinated scheduling of production and delivery with multiple factories and multiple customers. Due to the variation of cost, the production and delivery costs of a job are dependent on the factory to which it is assigned. Our problem is to find a schedule that minimises the makespan or the total completion time, subject to the constraint that the total cost does not exceed a given threshold. We first describe a linear programming algorithm to solve the preemptive case. The result of the linear program serves as a lower bound of the nonpreemptive case and suggests heuristics to solve the nonpreemptive case. We also show that minimising the total completion time subject to a given threshold of the cost is NP-complete. Computational experiments are conducted and the results show that the heuristics perform very well in practice. © 2016, © 2016 Informa UK Limited, trading as Taylor & Francis Group.

关键词： delivery cost heuristics makespan multiple factories Scheduling total completion time

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3DGS-based Tracking of Articulated Instruments for Instruments-Tissue Interaction Estimation in Robot-assisted Minimally Invasive Surgery

3DGS-based Tracking of Articulated Instruments for Instrumen...

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2024 IEEE International Conference on Robotics and Biomimetics, ROBIO 2024

作者： Li, Xiaojian Shen, Lili Li, Ling Mo, Hangjie Wang, Xin Ma, Xiang Zheng, Jieyu School of Management Hefei University of Technology Hefei China Hefei University of Technology Key Laboratory of Process Optimization and Intelligent Decision-Making Hefei China West China Hospital Sichuan University Sichuan China

ISBN: (纸本)9781665481090

3D information of surgical scene potentially enhances the accuracy of surgical navigation and facilitate the automation of robot-assisted surgery. However, current research seldom considers the relative 3D position between instruments and tissue. In this paper, the instruments-tissue interaction estimation method is proposed to obtain the relative distance between instruments and tissue. The 3D Gaussian representation of instruments is established preoperatively, making the pose of instruments the only parameter to be learned and updated. Based on this, the instrument pose estimation method is proposed, which applies 3DGS (3D Gaussian Splatting) to the instrument Gaussian model to obtain rendered color images, projection masks, and depth maps. These are aligned with the input images, segmented masks and depth from stereo depth estimation to construct the target loss. By backpropagating through the target loss, the optimal instrument pose is obtained. The L1 loss and smooth loss based on TPS (the Thin Plate Spline) are used to complete the depth of tissue occluded by instruments. The instruments-tissue interaction is estimated by the nearest distance between instrument and tissue. The experimental results indicate an average error of 0.94 mm and an accuracy of 90.40% with an error less than 2mm in estimating relative 3D distance between instruments and tissue. © 2024 IEEE.

关键词： Robotic surgery

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Electricity consumption forecasting based on a class of new GM (1, 1) model

Electricity consumption forecasting based on a class of new ...

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2013 International Conference on Mechatronics and Automatic Control Systems, ICMS 2013

作者： Yao, Mei Wang, Xiaojia School of Mathematics Hefei University of Technology Hefei China Key Lab of Process Optimization and Intelligent Decision-making Hefei University of Technology Hefei China

ISBN: (纸本)9783319012728

In recent years, with the development of society and the progress of science and technology, the GM (1, 1) model has been widely applied in economy, management, industry, control, social development plan, etc. But the GM (1, 1) model in the application process has encountered a low accuracy of predictions. Therefore, the improvement and optimization research of GM (1, 1) model is an important issue. In order to improve the prediction accuracy of GM (1, 1) model, it is necessary to consider reconstructing the background value of the model, which can improve the quality of the forecasting model. This paper discusses the improved GM (1, 1) model. The improved model has better prediction accuracy. It is used to forecast the society electricity consumption in eastern China, and the specific numerical examples demonstrate that this method can improve the simulation and the prediction accuracy. © Springer International Publishing Switzerland 2014.

关键词： Forecasting

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Reasearch on the technology of electronic sand table based on GIS

Reasearch on the technology of electronic sand table based o...

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International Conference on Information Science and Engineering

作者： Chen, Haihan Lu, Zhitang Key Laboratory of Process Optimization and Intelligent Decision-making Hefei University of Technology Ministry of Education Hefei China School of Resources and Environmental Engineering Hefei University of Technology Hefei China

ISBN: (纸本)9781424480968

Electronic sand table is a new high-tech product by integrating computer application, geographic information systems (GIS) and virtual reality with multimedia. In this paper, an electronic sand table system of target areas is made under the platform of ArcGIS. The design and realization scheme of electronic sand table system is introduced at first. Then, the key techniques for electronic sand table, such as data processing, terrain modeling and feature matching, are described in details. Finally, the electronic sand table system is carried out on the platform of ArcGIS based on digital elevation model (DEM) and satellite remote sensing image. It can give users a real-time and interactive operation circumstance, and provide some references for the decision-makers to get a better understanding of the regions. © 2010 IEEE.

关键词： Remote sensing

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Regression model for estimation of attribute reliability

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Journal of Control and decision 2021年第2期8卷 201-212页

作者： Guangyan Lu Wenjun Chang Department of Operation Management CRRC Qishuyan Institute Co.LtdChangzhouPeople’s Republic of China School of Management Hefei University of TechnologyHefeiBox 270HefeiAnhui 230009People’s Republic of China Key Laboratory of Process Optimization and Intelligent Decision-making Ministry of EducationHefeiAnhui 230009People’s Republic of China Ministry of Education Engineering Research Center for Intelligent Decision Making&Information System Technologies Hefei 230009People’s Republic of China

In this paper,a regression model is developed to estimate attribute reliability in the evidential reasoning(ER)*** analysing the difference between attribute weight and attribute reliability,a general qualitative definition of attribute reliability is *** reliability of an attribute is quantitatively measured in consistence with the qualitative definition in the context of the ER approach.A regression model is then constructed to generate attribute reliabilities by minimising the maximum differences between the real value of attribute reliability and its *** the post-optimal solution space of attribute reliabilities,an optimisation model is constructed to determine the expected utilities of each alternative in order to generate solutions to multiple attribute decision analysis *** place selection problem in Qingyang County of Chizhou in Anhui province of China is analysed using the proposed regression model to demonstrate its detailed implementation process,validity and applicability.

关键词： Multiple attribute decision analysis attribute reliability regression model evidential reasoning rule evidential reasoning approach

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