Zhang Yue, Xu Xiping, Zhang Ning, Zhang Kailin, Dong Weida, Li Xiaoyan
School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022, China.
Sensors (Basel). 2023 Jan 9;23(2):755. doi: 10.3390/s23020755.
The Aquila Optimizer (AO) is a new bio-inspired meta-heuristic algorithm inspired by Aquila's hunting behavior. Adaptive Aquila Optimizer Combining Niche Thought with Dispersed Chaotic Swarm (NCAAO) is proposed to address the problem that although the Aquila Optimizer (AO) has a strong global exploration capability, it has an insufficient local exploitation capability and a slow convergence rate. First, to improve the diversity of populations in the algorithm and the uniformity of distribution in the search space, DLCS chaotic mapping is used to generate the initial populations so that the algorithm is in a better exploration state. Then, to improve the search accuracy of the algorithm, an adaptive adjustment strategy of de-searching preferences is proposed. The exploration and development phases of the NCAAO algorithm are effectively balanced by changing the search threshold and introducing the position weight parameter to adaptively adjust the search process. Finally, the idea of small habitats is effectively used to promote the exchange of information between groups and accelerate the rapid convergence of groups to the optimal solution. To verify the optimization performance of the NCAAO algorithm, the improved algorithm was tested on 15 standard benchmark functions, the Wilcoxon rank sum test, and engineering optimization problems to test the optimization-seeking ability of the improved algorithm. The experimental results show that the NCAAO algorithm has better search performance and faster convergence speed compared with other intelligent algorithms.
天鹰座优化器(AO)是一种受天鹰座狩猎行为启发的新型生物启发式元启发式算法。提出了结合小生境思想与离散混沌群的自适应天鹰座优化器(NCAAO),以解决天鹰座优化器(AO)虽然具有较强的全局探索能力,但局部开发能力不足且收敛速度较慢的问题。首先,为了提高算法中种群的多样性和搜索空间中分布的均匀性,使用离散逻辑混沌映射生成初始种群,使算法处于更好的探索状态。然后,为了提高算法的搜索精度,提出了一种去搜索偏好的自适应调整策略。通过改变搜索阈值并引入位置权重参数来自适应调整搜索过程,有效平衡了NCAAO算法的探索和开发阶段。最后,有效利用小生境思想促进群体间的交流,加速群体快速收敛到最优解。为验证NCAAO算法的优化性能,在15个标准基准函数上对改进算法进行测试,并通过威尔科克森秩和检验以及工程优化问题来测试改进算法的寻优能力。实验结果表明,与其他智能算法相比,NCAAO算法具有更好的搜索性能和更快的收敛速度。