Hsien-Ju Ko and Wen-Shyong Yu,¡¨Guaranteed Robust Stability of the Closed-Loop Systems for Digital Controller Implementations via Orthogonal Hermitian Transform,¡¨IEEE Transactions on Systems, Man and Cybernetics Part B, vol. 34, no. 4, pp. 1923-1932, 2004. (SCI and EI)
Wen-Shyong Yu and Hsien-Ju Ko ,¡¨Improved Eigenvalue Sensitivity for Finite-Precision Digital Controller Realizations via Orthogonal Hermitian Transform,¡¨IEE Proceedings-Control Theory and Application, Vol. 150, No. 4, pp. 365-375, July 2003. (SCI and EI)
Hsien-Ju Ko, “Stability Analysis of Deigital Filters under Finite Word Length Effects via Normal-Form Transformation,” Asian Journal of Health and Information Sciences , Spring, 2007. (Accepted and in Press)
Hsien-Ju Ko and Jeffrey J. P. Tsai, “Robust and Computationally Efficient Digital IIR Filter Synthesis and Stability Analysis under Finite Precision Implementations,” IEEE Transactions on Signal Processing, vol. 68, pp. 1807-1822, 2020.
Shien-Ru Ko and Wen-Shyong Yu,¡§Stability Analysis of State Regulator Systems with Finite Word Length Effects,¡¨The 2000 IEEE International Conference on Industrial Electronics, Control and Instrumentation (IECON-2000), Nagoya, Aichi, Japan.
Hsien-Ju Ko and Wen-Shyong Yu,"Finite wordlength effects analysis of a digital neural adaptive tracking controller for a class of nonlinear dynamical systems," IEEE International Joint Conference on Neural Networks (IJCNN), Hawaii, USA, May 2002.
Hsien-Ju Ko and Wen-Shyong Yu, Sensitivity minimization for controller implementations: Fixed-point approach,¡¨ American Control Conference (ACC 2004), Boston, Massachusetts, July 2, 2004