1. On Self Tuning Regulators;Åström;Automatica,1973
2. Barnes , T. J. D. L. Wang W. R. Cluett A Frequency Domain Design Method for PID Controllers
3. Devanathan , R. A Self-tuning Feedforward Compensator
4. Tuning of PI Controllers with One-Way Decoupling in 2 × 2 MIMO Systems Based on Finite Frequency Response Data;Gilbert;JPC,2003