International Journal of Modern Physics C

Multi-strategy ensemble Harris hawks optimization for smooth path planning of mobile robots

Publication typeJournal Article
Publication date2024-01-18
scimago Q3
SJR0.293
CiteScore3.0
Impact factor1.5
ISSN01291831, 17936586
Computer Science Applications
General Physics and Astronomy
Statistical and Nonlinear Physics
Mathematical Physics
Computational Theory and Mathematics
Abstract

Efficient and safe path planning for autonomous navigation is paramount in advancing the motion control capabilities of mobile robots. To obtain the global optimal smooth path for mobile robots, a multi-strategy ensemble Harris hawks optimization algorithm (SDHHO) is proposed in this paper. The spiral search strategy is adopted to improve the early update method of the algorithm, which can improve the global exploration ability. To achieve better balance between global exploration and local exploitation, the Sine chaotic map is introduced to the escape energy, replacing random components. Furthermore, an elite differential mutation strategy combined with Gaussian mutation is designed to prevent the algorithm from falling into local optima. We compared the SDHHO algorithm with other classical and novel algorithms on 23 benchmark functions, and the results demonstrated the superiority of SDHHO. The proposed algorithm is applied to the smooth path planning for mobile robots, which is transformed into an optimization problem of control nodes of high-order Bezier curves. Empirical evaluations across diverse environments underscore the proficiency of the proposed method in generating paths characterized by reduced length and enhanced safety and continuity.

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