Mechanics & Industry 26, 22 (2025) Original Article Verifying hyperparameter sensitivities of optimal filter design methods for fault signature enhancement 1*, 1,2, 1 and 3,4 1 Centre for Asset Integrity Management, Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria, South Africa 2 School of Mechanical, Industrial & Aeronautical Engineering, University of the Witwatersrand, Johannesburg, South Africa 3 Department of Mechanical Engineering, KU Leuven,...