城市低空物流网络多目标运行均衡优化研究
Research on Multi-Objective Operation Equilibrium Optimization for Urban Low-Altitude Logistics Network
为解决城市低空物流网络面对的外部动态需求和内部资源不均衡问题,构建了城市低空物流网络多目标运行均衡优化模型。该模型综合考虑飞行时间、能耗、风险和任务完成率多目标,并根据物流均衡理论从数量、结构、时间和空间四个维度研究多目标均衡问题。模型包含逻辑模型和数学模型:逻辑模型研究了运行逻辑并提出3种运行模式;数学模型以多目标优化为导向并采用改进A*算法进行仿真。仿真结果表明,所提改进A*算法在保持实时响应能力的同时,相较传统算法,能耗有效降低,运行风险得到有效控制,任务完成率提高。参数敏感性分析表明,改进的A*算法在各种参数配置下具有良好的鲁棒性和稳定性。总体而言,所构建的模型为城市低空物流网络运行均衡优化提供了有效方案,改进的多目标路径规划算法可提升系统效率,从而为相关研究与应用提供参考。
To solve the problems of external dynamic demand and uneven internal resources faced by the urban low-altitude logistics network, a multi-objective operation equilibrium optimization model for the urban low-altitude logistics network was constructed. The model comprehensively considered multiple objectives, including flight time, energy consumption, risk, and task completion rate, and based on the logistics equilibrium theory, it investigated the multi-objective equilibrium problem from four dimensions of quantity, structure, time, and space. The model comprised a logical model and a mathematical model: The logical model studied the operation logic and proposed three operation modes; the mathematical model was guided by multi-objective optimization and used the improved A* algorithm for simulation. The simulation results show that while maintaining the real-time response capability, compared with traditional algorithms, the proposed improved A* algorithm effectively reduces energy consumption, effectively controls operation risk, and improves the task completion rate. Parameter sensitivity analysis shows that the improved A* algorithm has good robustness and stability under various parameter configurations. Overall, the constructed model provides an effective solution for the operation equilibrium optimization of the urban low-altitude logistics network, and the improved multi-objective path planning algorithm can improve system efficiency, thereby providing a reference for related research and applications.
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教育部人文社科规划基金项目(22YJA630095)
辽宁省科协科技创新智库项目(LNKX2025QN20)
辽宁省社会科学规划基金项目(L23BGL007)
沈阳市哲学社会科学规划项目(SY202504Y)
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