An Adaptive PID Switching Controller for Pressure Regulation in Drilling von Siahaan, Hardy B, Jin, Huiyu, Safonov, Michael G

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A Balancing Approach to Model Reduction of Polynomial Nonlinear Systems von Siahaan, Hardy B.

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Improving the Transient Performance of Unfalsified Adaptive Control with Modified Hysteresis Algorithms von Jin, Huiyu, Siahaan, Hardy B., Chang, Michael W., Safonov, Michael G.

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On modeling and observer design of fluid flow dynamics for petroleum drilling operations von Siahaan, H.B., Nygaard, G.

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Observer design for gas lifted oil wells von Aamo, O.M., Eikrem, G.O., Siahaan, H., Foss, B.

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Suppressing Riser-Based Slugging in Multiphase Flow by State Feedback von Siahaan, H.B., Aamo, O.M., Foss, B.A.

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Anti-Slug control of gas-lift wells - Experimental results von Eikrem, Gisle Otto, Aamo, Ole Morten, Siahaan, Hardy, Foss, Bjarne

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Anti-Slug control of gas-lift wells - Experimental results1 von Eikrem, Gisle Otto, Aamo, Ole Morten, Siahaan, Hardy, Foss, Bjarne

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A neural networks approach to nonlinear control of neutralization process von Siahaan, Hardy B., Nazaruddin, Yul Y., Yuliar, Sonny

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