Summary of research on fractional-order control

As a new study field of control theory and applications,the fractional-order control is attracted much attention recently.In this paper,an overview in this field is surveyed.The historical development and the basic knowledge of fractional-order control are introduced.The latest works of fractional-order control are summarized and reviewed,including mathematical model,system analysis,fractional-order controller,nonlinear fractional-order system and identification,etc.Some future trends in its further studies are perspected.