A novel optimal ${ mathrm{PI}}^{{ uplambda }_{1}}{ mathrm{I}}^{{ uplambda }_{2}}{ mathrm{D}}^{{ upmu }_{1}}{ mathrm{D}}^{{ upmu }_{2}}$ controller using mayfly optimization algorithm for automatic voltage regulator system. - Bora Çavdar; Erdinc Sahin; Ömür Akyazi; Fatih Mehmet Nuroglu (Neural Comput. Appl., 2023)