Control of quantized linear systems: an l1-optimal control approach. - W. P. Maurice H. Heemels; Hardy B. Siahaan; Aleksandar Lj. Juloski; Siep Weiland (ACC, 2003)

Observer design for gas lifted oil wells. - Ole Morten Aamo; Gisle Otto Eikrem; Hardy B. Siahaan; Bjame A. Foss (ACC, 2004)

Suppressing Riser-Based Slugging in Multiphase Flow by State Feedback. - Hardy B. Siahaan; Ole Morten Aamo; Bjarne A. Foss (CDC/ECC, 2005)

L2 Gain Approximation of Nonlinear Systems: a Heuristic Approach. - Hardy B. Siahaan (CDC, 2006)

On modeling and observer design of fluid flow dynamics for petroleum drilling operations. - Hardy B. Siahaan; Gerhard Nygaard (CDC, 2008)

Detecting oscillation with Unfalsified Adaptive Control and its application in managed pressure drilling for oil. - Huiyu Jin; Hardy B. Siahaan; Michael G. Safonov (CDC, 2014)