An improved non-dominated sorting biogeography-based optimization algorithm for the (hybrid) multi-objective flexible job-shop scheduling problem. - Youjun An; Xiaohui Chen; Yinghe Li; Yaoyao Han; Ji Zhang 031; Haohao Shi (Appl. Soft Comput., 2021)

Flexible job-shop scheduling and heterogeneous repairman assignment with maintenance time window and employee timetable constraints. - Youjun An; Xiaohui Chen; Yinghe Li; Ji Zhang 031; Junwei Jiang (Expert Syst. Appl., 2021)

Opportunistic maintenance policies for multi-machine production systems with quality and availability improvement. - Haohao Shi; Ji Zhang 031; Enrico Zio; Xufeng Zhao 001 (Reliab. Eng. Syst. Saf., 2023)

Joint optimization of preventive maintenance and product quality improvement policies for deteriorating manufacturing systems with quality-reliability dependency. - Ji Zhang 031; Xiaohui Chen; Youjun An; Lin Zhang 049; Haohao Shi; Weigang Xu (Reliab. Eng. Syst. Saf., 2025)

Preventive maintenance policies for a big data system with throughput rate. - Ji Zhang 031; Hongshuang Feng; Xiaohui Chen (Ann. Oper. Res., 2025)