@article{paperid:1035408, author = {Shirazian, Mohammad and Effati, Sohrab}, title = {Feedback controller design for linear and a class of nonlinear optimal control problems}, journal = {Optimal control applications and Methods}, year = {2013}, volume = {35}, number = {3}, month = {January}, issn = {0143-2087}, pages = {271--285}, numpages = {14}, keywords = {optimal control problem; variational iteration method; Hamilton–Jacobi–Bellman equation; suboptimal feedback control}, }