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2. PID Controllers;Astrom,1995
3. Feedback Control Theory;Doyle,1992
4. State space solution to standard H2 and H∞ control problems;Doyle;IEEE Trans. on Auto.Control, AC-34,1989
5. Review of LFTs, LMIs and μ;Doyle;Proc. of the 30th IEEE Conference on Decision and Control,1991