Two-stage control model based on enhanced elephant clan optimization for path planning of unmanned combat aerial vehicle

Liangdong Qu, Yingjuan Jia, Xiaoqin Li, Jingkun Fan
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Abstract

To address the path planning problem for unmanned combat aerial vehicle (UCAV) more effectively, a novel two-stage path planning model is proposed. The first stage involves a longitudinal search primarily aimed at predicting the initial path, while the second stage is a horizontal search designed to correct the initial path. Furthermore, to tackle the UCAV path planning issue more effectively, this paper designs an improved elephant clan optimization (IECO) algorithm based on the average sample learning strategy, opposition-based learning, and Lévy flight disturbance strategy. Subsequently, IECO is integrated with the two-stage model (TSIECO) to address the UCAV path planning problem. Additionally, numerical experiments across 15 test functions reveal that IECO outperforms other algorithms in terms of optimization capability and convergence speed. Finally, the UCAV path planning experimental results indicate that the two-stage model based on IECO, as proposed in this paper, has significant advantages over traditional path planning models based on other swarm intelligence algorithms. Specifically, in three different simulated environments, the TSIECO has been tested on a total of 9 maps with varying parameters, yielding paths that are optimal in terms of cost and stability.

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基于增强型象族优化的两阶段控制模型,用于无人战斗飞行器的路径规划
为了更有效地解决无人战斗飞行器(UCAV)的路径规划问题,我们提出了一种新颖的两阶段路径规划模型。第一阶段为纵向搜索,主要目的是预测初始路径;第二阶段为横向搜索,旨在修正初始路径。此外,为了更有效地解决 UCAV 路径规划问题,本文设计了一种基于平均样本学习策略、对立学习策略和莱维飞行干扰策略的改进型象族优化(IECO)算法。随后,IECO 与两阶段模型(TSIECO)相结合,解决了 UCAV 路径规划问题。此外,15 个测试函数的数值实验表明,IECO 在优化能力和收敛速度方面优于其他算法。最后,UCAV 路径规划实验结果表明,与基于其他群智能算法的传统路径规划模型相比,本文提出的基于 IECO 的两阶段模型具有显著优势。具体而言,在三种不同的模拟环境中,TSIECO 在总共 9 幅不同参数的地图上进行了测试,得出的路径在成本和稳定性方面均为最优。
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