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Harris hawks optimization (HHO): Algorithm and applications

version 1.0.0 (215 KB) by aliasghar heidari
Harris Hawks Optimizer (HHO) is a novel meta-heuristic optimization paradigm for global optimization


Updated 15 Mar 2019

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In this paper, a novel population-based, nature-inspired optimization paradigm is proposed, which is called Harris Hawks Optimizer (HHO). The main inspiration of HHO is the cooperative behavior and chasing style of Harris’ hawks in nature called surprise pounce. In this intelligent strategy, several hawks cooperatively pounce prey from different directions in an attempt to surprise it. Harris hawks can reveal a variety of chasing patterns based on the dynamic nature of scenarios and escaping patterns of the prey. This work mathematically mimics such dynamic patterns and behaviors to develop an optimization algorithm. The effectiveness of the proposed HHO optimizer is checked, through a comparison with other nature-inspired techniques, on 29 benchmark problems and several real-world engineering problems. The statistical results and comparisons show that the HHO algorithm provides very promising and occasionally competitive results compared to well-established metaheuristic techniques.

Main paper:
Harris hawks optimization: Algorithm and applications Ali Asghar Heidari, Seyedali Mirjalili, Hossam Faris, Ibrahim Aljarah, Majdi Mafarja, Huiling Chen, Future Generation Computer Systems, 2019, DOI:
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More information ,source code, and related supplementary materials such as Latex files and visio files for figures of the original paper can be found in:

Author, inventor and programmer: Ali Asghar Heidari
PhD research intern, Department of Computer Science, School of Computing, National University of Singapore, Singapore Exceptionally Talented Ph. DC funded by Iran's National Elites Foundation (INEF), University of Tehran



Cite As

Heidari, Ali Asghar, et al. “Harris Hawks Optimization: Algorithm and Applications.” Future Generation Computer Systems, Elsevier {BV}, Feb. 2019, doi:10.1016/j.future.2019.02.028.

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