1. The Control Handbook, Chap. Time Delay Compensation: Smith Predictor and its Modifications;Palmor,1996
2. Control of Dead-Time Processes;Normey-Rico,2007
3. PID Control in the Third Millennium, Chap. Feedforward Compensation for PID Control Loop;Guzmán,2012
4. Process Dynamics and Control;Seborg,2004
5. Simple tuning rules for feedforward compensator;Guzmán;J. Process Control,2011