WANG Leyang,WU Hao,XIAO Hao.An Improved Tornado Optimizer with Coriolis Force for Geodetic Parameter Estimation[J].Journal of Geomatics,2026,51(5):83-89
WANG Leyang,WU Hao,XIAO Hao.An Improved Tornado Optimizer with Coriolis Force for Geodetic Parameter Estimation[J].Journal of Geomatics,2026,51(5):83-89DOI: 10.14188/j.2095-6045.20260383.
An Improved Tornado Optimizer with Coriolis Force for Geodetic Parameter Estimation
Aiming at the problems in the parameter estimation of geodesy, such as the high sensitivity of traditional methods to initial values, the tendency to fall into local optima, and the difficulty in effectively handling composite error models, this paper proposes two improved strategies based on the tornado optimizer with Coriolis force(TOC) and constructs an improved tornado optimizer with Coriolis force(ITOC). First, it introduces an adjustment mechanism that automatically tunes the search step size based on population diversity and iteration counts to dynamically balance global exploration and local exploitation. Second, Lévy flight is adopted to replace the original random perturbation strategy, enhancing the algorithm’s escape capability and robustness when dealing with complex multi-modal objective functions. To verify the algorithm performance, two types of typical numerical examples are designed and experiments demonstrate that ITOC boasts distinct advantages in solution accuracy, convergence stability and robustness against outliers, offering an efficient and robust new intelligent optimization approach for parameter estimation of complex geodetic measurement models.
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