This book presents an elaborative account of the advancements made in robust control system. The purpose of this book is to provide exemplary models and significant challenges faced in the domain of robust control design and applications. It comprises of research and discussion on some breakthrough applications in this domain such as sliding mode, robust PID, H-infinity, etc. These techniques have given new dimension to this genre of science and broadened the application spectra to even non-engineering systems. The book comprises of research chapters grouped under three sections; namely, "Distillation and Food Industry Applications," "Power Plant and Power System Control" and "New Trends in Robust Control Applications."