1. PID Controllers;Asröm,1995
2. Linear Matrix Inequality in Systems and Control Theory;Boyd,1994
3. “Robust PID controller design via LMI approach” in Journal of Process Control 12;Ge,2002
4. “PID Controller Tuning by Frequency Loop-Shaping: Application to Diffusion Furnace Temperature Control”;Grassi;in IEEE Transactions On Control Systems Technology,2000
5. “An integral inequality in the stability problem of time-delay systems,”;Gu,2000