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Determination of all stability region of unstable fractional order system in case of bearing system Tin, Phu Tran; Dung, Nguyen Quang; Tran, Minh; Phan, Van-Duc; Nguyen, Hoang-Nam; Trang, Tran Thanh
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 4: December 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (728.079 KB) | DOI: 10.11591/ijpeds.v10.i4.pp1734-1741

Abstract

In this paper, we propose and investigate the optimal tuning PID controller of unstable fractional order system by desired transient characteristics using the real interpolation method (RIM). The research shows that the main advantages of this method are drawn as the followings: 1) Carrying out an investigation of the stable region of coefficients of a PID controller using D-decomposition method; 2) Applying the method to investigate an unstable fractional order system.