Showing 101 - 120 results of 179 for search '"heuristic algorithm"', query time: 0.08s Refine Results
  1. 101

    Fare Design in Urban Transit Network considering Elastic Demand and Adverse Weather’s Impact by Jiantong Zhang, Biyu Lv, Guichao Tian, Wenchi Liu

    Published 2014-01-01
    “…Such transit fare design problem is described through bilevel programming, in which the upper level is the transportation authority’s transit fare structure decision aiming to minimize the transit network’s total travel and operation cost, while the lower level is a transit network assignment model considering supply and demand uncertainties that influence passengers’ travel choice decisions. A heuristic algorithm is developed to solve the problem, and a numerical example is presented to illustrate the application. …”
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  2. 102

    A Heuristic Genetic Algorithm for Regional Targets’ Small Satellite Image Downlink Scheduling Problem by Yan-Jie Song, Zhong-Shan Zhang, Kai Sun, Feng Yao, Ying-Wu Chen

    Published 2019-01-01
    “…We compare the effect of HGA, basic genetic algorithm (GA), and construction heuristic algorithm. The experimental results proved that the proposed approach ensures the successful completion of observation tasks and is effective for SSIDSP.…”
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  3. 103

    An Optimal Hierarchical Decision Model for a Regional Logistics Network with Environmental Impact Consideration by Dezhi Zhang, Shuangyan Li, Jin Qin

    Published 2014-01-01
    “…Logistics operators are assumed to compete with logistics service fare and frequency, while logistics users minimize their own perceived logistics disutility given logistics operators’ service fare and frequency. A heuristic algorithm based on the multinomial logit model is presented for the three-level decision model, and a numerical example is given to illustrate the above optimal model and its algorithm. …”
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  4. 104

    Optimization of Job Scheduling in the Cloud Computing Environment Using the Fuzzy Particle Swarm Optimization Algorithm by Shabnam Gharaeian, Khosrow Amirizadeh

    Published 2020-09-01
    “…In this work, using the meta-heuristic algorithm of swarm particles optimization (PSO) and fuzzy logic, task completion time is reduced, and, as a result of which, efficiency of using resources is increased. …”
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  5. 105

    : Mobility-Centric Roadside Units Deployment for Vehicular Networks by Yongping Xiong, Jian Ma, Wendong Wang, Dengbiao Tu

    Published 2013-03-01
    “…By reducing it into the minimum vertex coverage problem, we show that the RSU deployment problem is NP-complete. Then, a heuristic algorithm RoadGate is proposed to search greedily the optimal positions. …”
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  6. 106

    Analysis of Intelligent Transportation System Application Based on Internet of Things and Big Data Technology under the Background of Information Society by Di Wang, Weijing Xu, Xuesong Jia

    Published 2022-01-01
    “…The advantages and disadvantages of genetic algorithm and heuristic algorithm are analyzed, and ant colony algorithm is used for further optimization. …”
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  7. 107

    Network Planning Method for Capacitated Metro-Based Underground Logistics System by Jianjun Dong, Wanjie Hu, Shen Yan, Rui Ren, Xiaojing Zhao

    Published 2018-01-01
    “…Then, a hybrid algorithm was designed with a combination of E-TOPSIS, exact algorithm, and heuristic algorithm. Finally, two lines of Nanjing Metro were selected as a case to validate the proposed planning method. …”
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  8. 108

    Equity-Oriented Train Timetabling with Collaborative Passenger Flow Control: A Spatial Rebalance of Service on an Oversaturated Urban Rail Transit Line by Chaoqi Gong, Baohua Mao, Min Wang, Tong Zhang

    Published 2020-01-01
    “…Based on the linear weighting technique, an iterative heuristic algorithm combining the tabu search and Gurobi solver is designed to solve the proposed model. …”
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  9. 109

    Developing an efficient algorithm for robust school bus routing with heterogeneous fleet by Mohamad Ali Movafaghpour

    Published 2023-09-01
    “…The uncertainty of travel times is modeled as interval numbers. We propose a heuristic algorithm to generate extreme scenarios. Each scenario is generated in order to make the last found optimal solution into an infeasible one as much as possible.Findings: Experimental results show that deploying this novel algorithm for generating extreme scenarios, efficiently produces diverse scenarios. …”
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  10. 110

    Presenting and Solving a Three-layer Supply Chain Model to Maximize Quality and Minimize the Estimated Delivery Time by Elham Nazemi, Mahdi Yousefi Nejad Attari, Mahdi Ghaffari

    Published 2022-09-01
    “…Results indicate that MOIWO meta-heuristic algorithm is superior to NSGAII in all indicators except for the NPS indicator.…”
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  11. 111

    An Optimal Composition Strategy for Knowledge Service Component Based on Flexible Tracking Particle Swarm Algorithm by Yan-chao Yin, Fu-zhao Chen, Wei-zhi Liao, Cui-yin Liu

    Published 2019-01-01
    “…On this basis, a heuristic algorithm with the adaptive mutation probability is introduced to composite the multigranularity service component dynamically and robustly. …”
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  12. 112

    Maximizing Network Lifetime of Directional Sensor Networks Considering Coverage Reliability by Joon-Min Gil, Jong Hyuk Park, Young-Sik Jeong

    Published 2013-12-01
    “…We also develop a heuristic algorithm called directional coverage and reliability (DCR) greedy algorithm to solve the DCCR problem. …”
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  13. 113

    A Two-Stage Chance Constrained Approach with Application to Stochastic Intermodal Service Network Design Problems by Yi Zhao, Qingwan Xue, Zhichao Cao, Xi Zhang

    Published 2018-01-01
    “…The first stage allows for the selection of operated services, while the second stage focuses on the determination of intermodal container routes where capacity and on-time delivery chance constraints are presented. A hybrid heuristic algorithm, incorporating sample average approximation and ant colony optimisation, is employed to solve this model. …”
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  14. 114

    Location Design of Electric Vehicle Charging Facilities: A Path-Distance Constrained Stochastic User Equilibrium Approach by Wentao Jing, Kun An, Mohsen Ramezani, Inhi Kim

    Published 2017-01-01
    “…A simple equilibrium-based heuristic algorithm is developed to obtain the solution. …”
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  15. 115

    Scalable Video Streaming for Single-Hop Wireless Networks Using a Contention-Based Access MAC Protocol by Monchai Lertsutthiwong, Thinh Nguyen, Alan Fern

    Published 2008-01-01
    “…Consequently, we present a more expensive heuristic algorithm that guarantees to approximate the optimal solution within a constant factor. …”
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  16. 116

    Telefacturing Based Distributed Manufacturing Environment for Optimal Manufacturing Service by Enhancing the Interoperability in the Hubs by V. K. Manupati, M. Gokula Krishnan, M. L. R. Varela, José Machado

    Published 2017-01-01
    “…With an evolutionary algorithm and developed heuristic algorithm, the performance of the proposed manufacturing system has been improved. …”
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  17. 117

    Collaborative Multidepot Petrol Station Replenishment Problem with Multicompartments and Time Window Assignment by Guangcan Xu, Maozeng Xu, Yong Wang, Yong Liu, Qiguang Lv

    Published 2020-01-01
    “…To improve the system operational efficiency and reduce costs, we formulate and solve a collaborative multidepot petrol station replenishment problem with multicompartments and time window assignment by establishing a mixed-integer linear programming model. The hybrid heuristic algorithm composed of genetic algorithm and particle swarm optimization is used as a solution, and then the Shapley value method is applied to analyze the profit allocation of each petrol depot under different coalitions. …”
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  18. 118

    Optimization of the Operation Plan of Airport Express Train with Consideration of Train Departure Time Window by Jin He, Yinzhen Li, Yuhong Chao, Ruhu Gao

    Published 2024-01-01
    “…Neighborhood solution strategies include the increase or haut of train operations and the adjustment of the number of stops, which refines the solution space and boosts the process efficiency of the heuristic algorithm. Additionally, the model and algorithm proposed in this paper are practiced during the peak hour of Nanjing Metro Line S1 for empirical validation. …”
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  19. 119

    Optimal Pattern Synthesis of Linear Array and Broadband Design of Whip Antenna Using Grasshopper Optimization Algorithm by Hengfeng Wang, Chao Liu, Huaning Wu, Bin Li, Xu Xie

    Published 2020-01-01
    “…Antenna arrays with high directivity, low side-lobe level, and null control in desired direction and whip antenna with wider bandwidth both need to be optimized to meet different needs of communication systems. A new natural heuristic algorithm simulating social behavior of grasshoppers, grasshopper optimization algorithm (GOA), is applied to electromagnetic field as a new effective technology to solve the antenna optimization problem for the first time. …”
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  20. 120

    Fast Optimal Replica Placement with Exhaustive Search Using Dynamically Reconfigurable Processor by Hidetoshi Takeshita, Sho Shimizu, Hiroyuki Ishikawa, Akifumi Watanabe, Yutaka Arakawa, Naoaki Yamanaka, Kosuke Shiba

    Published 2011-01-01
    “…To reduce calculation time, heuristic algorithms have been proposed, but it is known that no heuristic algorithm is assured of finding the optimal solution. …”
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