Some remarks on Puiseux Series for multiple imaginary characteristic roots of linear time-delay systems. - Xu-Guang Li; Silviu-Iulian Niculescu; Arben Çela; Hong-Hai Wang; Tiaoyang Cai (ACC, 2012)

On Tau-Decomposition Frequency-Sweeping Test for a Class of Time-Delay Systems. Part I: Simple Imaginary Roots Case. - Xu-Guang Li; Silviu-Iulian Niculescu; Arben Çela; Hong-Hai Wang; Tiao-Yang Cai (TDS, 2012)

On Tau-Decomposition Frequency-Sweeping Test for a Class of Time-Delay Systems. Part II: Multiple Roots Case. - Xu-Guang Li; Silviu-Iulian Niculescu; Arben Çela; Hong-Hai Wang; Tiao-Yang Cai (TDS, 2012)

On Computing Puiseux Series for Multiple Imaginary Characteristic Roots of LTI Systems With Commensurate Delays. - Xu-Guang Li; Silviu-Iulian Niculescu; Arben Çela; Hong-Hai Wang; Tiao-Yang Cai (IEEE Trans. Autom. Control., 2013)

Invariance properties for a class of quasipolynomials. - Xu-Guang Li; Silviu-Iulian Niculescu; Arben Çela; Hong-Hai Wang; Tiao-Yang Cai (Autom., 2014)

All stabilizing sets for proportional-integral controller of high-order delay processes. - Hong-Hai Wang; Jianchang Liu; Feisheng Yang; Yu Zhang (J. Syst. Control. Eng., 2014)

Proportional-derivative controllers for stabilisation of first-order processes with time delay. - Hong-Hai Wang; Jianchang Liu; Feisheng Yang; Tiaoyang Cai (Int. J. Syst. Sci., 2015)