Table 1 Parameter Settings for StMA Algorithm and Experimental Configurations.
From: A sterna migration algorithm-based efficient bionic engineering optimization algorithm
Parameter Category | Parameter | Value/Setting | Description |
|---|---|---|---|
Algorithm Control Parameters | Leader ratio (NL) | 0.2 × Npop | Number of leader individuals |
Stagnation threshold | 1e-8 | Early stopping trigger threshold | |
Stagnation window | 20 | Stagnation detection window size | |
Diversity threshold (θ) | 1e-4 | Diversity maintenance trigger threshold | |
Initial perturbation scale (η₀) | 0.2 | Initial perturbation parameter | |
Perturbation decay rate (λ) | 0.01 | Perturbation intensity decay coefficient | |
Sigmoid slope (k_sigmoid) | 10 | Spatial compression factor control | |
Perturbation ratio (p_perturb) | 0.2 | Proportion of perturbed individuals | |
Coupling coefficient (α) | 0.2 | Regulates perturbation-diversity coupling weight |