Robust Ant Colony Optimization — Uncertainty-Resilient ACO for Combinatorial Problems

Robust Ant Colony Optimization (Robust ACO) extends the classic ant colony metaheuristic by explicitly incorporating parameter uncertainty and worst-case or expected-case robustness criteria into the solution search. Rather than optimizing for a single nominal scenario, it seeks solutions that perform well across a range of plausible problem realizations, making it suitable for real-world combinatorial problems where input data (costs, demands, travel times) are uncertain or variable.