Maintenance optimization for rolling bearing based on delay time modelMinh-Hien Bui, Phuoc-Vinh Dang, Duc-Hanh Dinh, Bao-Thuan Le-Huu and Ho-Si-Hung NguyenInt. J. Simul. Multidisci. Des. Optim., 17 (2026) 7DOI: https://doi.org/10.1051/smdo/2026003