Investigation of Differential Evolution Algorithm for a Tandem Cascade Optimization Yangang Wang, Ningning Xi, Jiawei Hu, Jun Zhang, Xiaomei He and Honghui Xiang JNWPU, 37 6 (2019) 1223-1230 Published online: 11 February 2020 DOI: 10.1051/jnwpu/20193761223