Das, SaptarshiPan, I.Das, ShantanuGupta, A.2012-03-092012-03-092011IEEE Explore, 2011.: pp. 1-6http://hdl.handle.net/123456789/58294141 bytestext/htmlenGenetic algorithmsub-optimal model reductionNyquist planeoptimal tuning rule extractionPIDgenetic programmingGenetic algorithm based improved sub-optimal model reduction in Nyquist plane for optimal tuning rule extraction of PID and PIλ Dμ controllers via genetic programmingArticle