1. High Response Hydraulic drive can provide energy savings;Backe,1989
2. Design of control systems;Frank D'souzda,1988
3. On the Control of Linear Multi-ple Input-output systems;Gopinath;Bell System Tech. J.,1971
4. Robust Speed Control of IM with Torque Feedforward Control;Iwasaki;IEEE TRANSACTIONS on IE.,1993
5. A Robust Digital Position Control of Brushless DC Motor with Dead Beat Load Torque Observer;Ko Jong Sun;IEEE TRANSACTIONS on IE.,1993