Linear control guaranteeing stability of uncertain systems via orthogonal decomposition. - Keqin Gu; Y. H. Chen (Autom., 1991)

Quadratic stabilizability of uncertain systems : A two level optimization setup. - Keqin Gu; Y. H. Chen; Mohamed A. Zohdy; Nan K. Loh (Autom., 1991)

New Robot Adaptive Control Strategies Through Nonholonomic Transformations. - Keqin Gu; Benson H. Tongue (Int. J. Robotics Res., 1991)

Direct computation of stability bound for systems with polytopic uncertainties. - Keqin Gu; Nan-Khang Loh (IEEE Trans. Autom. Control., 1993)

Designing stabilizing control of uncertain systems by quasiconvex optimization. - Keqin Gu (IEEE Trans. Autom. Control., 1994)

H∞ control of systems under norm bounded uncertainties in all system matrices. - Keqin Gu (IEEE Trans. Autom. Control., 1994)

Comments on "Convexity of frequency response arcs associated with a stable polynomial. - Keqin Gu (IEEE Trans. Autom. Control., 1994)

Absolute stability of systems under block diagonal memoryless uncertainties. - Keqin Gu (Autom., 1995)

Discretized Lyapunov functional for systems with distributed delay. - Keqin Gu; Albert C. J. Luo; Silviu-Iulian Niculescu (ECC, 1999)

Discretized Lyapunov functional for linear uncertain systems with time-varying delay. - Keqin Gu; Qing-Long Han (ACC, 2000)

An integral inequality in the stability problem of time-delay systems. - Keqin Gu (CDC, 2000)

Controller design for time-delay systems using discretized Lyapunov functional approach. - Keqin Gu; Qing-Long Han (CDC, 2000)

Stability and stabilization of infinite dimensional systems with applications: Zheng-Hua Luo, Bao-Zhu Guo, Omer Morgul, Springer, London, 1999, ISBN: 1-85233-124-0. - Keqin Gu (Autom., 2000)

Additional dynamics in transformed time-delay systems. - Keqin Gu; Silviu-Iulian Niculescu (IEEE Trans. Autom. Control., 2000)

A further refinement of discretized Lyapunov functional method for the time-delay systems. - Keqin Gu (ACC, 2001)

Refined discretized Lyapunov functional method for systems with multiple delays. - Keqin Gu (CDC, 2001)

On robust stability of time-delay systems with block-diagonal uncertainty. - Qing-Long Han; Keqin Gu (CDC, 2001)

Discretization schemes for Lyapunov-Krasovskii functionals in time-delay systems. - Keqin Gu (Kybernetika, 2001)

Further remarks on additional dynamics in various model transformations of linear delay systems. - Keqin Gu; Silviu-Iulian Niculescu (IEEE Trans. Autom. Control., 2001)

On robust stability of time-delay systems with norm-bounded uncertainty. - Qing-Long Han; Keqin Gu (IEEE Trans. Autom. Control., 2001)

Stability of Time-Delay Systems - Keqin Gu; Vladimir L. Kharitonov; Jie Chen 005 (Birkhäuser, 2003)

Some remarks on the delay stabilizing effect in SISO systems. - Silviu-Iulian Niculescu; Keqin Gu; Chaouki T. Abdallah (ACC, 2003)

An improved estimate of the robust stability bound of time-delay systems with norm-bounded uncertainty. - Qing-Long Han; Keqin Gu; Xinghuo Yu 001 (IEEE Trans. Autom. Control., 2003)

On computing the maximum time-delay bound for stability of linear neutral systems. - Qing-Long Han; Xinghuo Yu 001; Keqin Gu (IEEE Trans. Autom. Control., 2004)

Methodologies for control of jump time-delay systems, Magdi S. Mahmoud and Peng Shi (Eds.); Kluwer Academic Publishers, Boston, 1-4020-7489-1 2003, 450pp. - Keqin Gu (Autom., 2005)

Lyapunov-Krasovskii functional for coupled differential-functional equations. - Keqin Gu; Yi Liu (CDC, 2007)

On the geometry of stability regions of Smith predictors subject to delay uncertainty. - Constantin-Irinel Morarescu; Silviu-Iulian Niculescu; Keqin Gu (IMA J. Math. Control. Inf., 2007)

Stability Crossing Curves of Shifted Gamma-Distributed Delay Systems. - Constantin-Irinel Morarescu; Silviu-Iulian Niculescu; Keqin Gu (SIAM J. Appl. Dyn. Syst., 2007)

Lyapunov-Krasovskii functional for uniform stability of coupled differential-functional equations. - Keqin Gu; Yi Liu (Autom., 2009)

Discussion on: "H∞ Control of Distributed and Discrete Delay Systems via Discretized Lyapunov Functional". - Keqin Gu (Eur. J. Control, 2009)

Reducing the computational cost of the sum-of-squares stability test for time-delayed systems. - Yashun Zhang; Matthew M. Peet; Keqin Gu (ACC, 2010)

Stability problem of systems with multiple delay channels. - Keqin Gu (Autom., 2010)

Discretized Lyapunov-Krasovskii functional for coupled differential-difference equations with multiple delay channels. - Hongfei Li; Keqin Gu (Autom., 2010)

Stability crossing boundaries and fragility characterization of PID controllers for SISO systems with I/O delays. - Irinel-Constantin Morarescu; César-Fernando Méndez-Barrios; Silviu-Iulian Niculescu; Keqin Gu (ACC, 2011)

Stability Crossing Set for Systems With Three Delays. - Keqin Gu; Mohammad Naghnaeian (IEEE Trans. Autom. Control., 2011)

Reducing the Complexity of the Sum-of-Squares Test for Stability of Delayed Linear Systems. - Yashun Zhang; Matthew M. Peet; Keqin Gu (IEEE Trans. Autom. Control., 2011)

Estimating stable delay interval using discretized Lyapunov-Krasovskii functional method. - Yongmin Li 003; Keqin Gu; Shengyuan Xu 001 (ICCA, 2013)

Stability crossing set for systems with two scalar-delay channels. - Mohammad Naghnaeian; Keqin Gu (Autom., 2013)

Estimating stable delay intervals with a discretized Lyapunov-Krasovskii functional formulation. - Yongmin Li 003; Keqin Gu; Jianping Zhou 003; Shengyuan Xu 001 (Autom., 2014)

Migration of double imaginary characteristic roots under small deviation of two delay parameters. - Keqin Gu; Dina Irofti; Islam Boussaada; Silviu-Iulian Niculescu (CDC, 2015)

Towards more general stability analysis of systems with delay-dependent coefficients. - Keqin Gu; Chi Jin 003; Islam Boussaada; Silviu-Iulian Niculescu (CDC, 2016)

Migration of imaginary roots of multiplicity three and four under small deviation of two delays in time-delay systems. - Dina Irofti; Keqin Gu; Islam Boussaada; Silviu-Iulian Niculescu (ECC, 2016)

Delay-independent stability analysis of linear time-delay systems based on frequency discretization. - Xianwei Li 001; Huijun Gao; Keqin Gu (Autom., 2016)

Stability analysis of systems with delay-dependant coefficients: A two-parameter approach. - Chi Jin 003; Keqin Gu; Islam Boussaada; Silviu-Iulian Niculescu (ACC, 2017)

Inversion of Separable Kernel Operators in Coupled Differential-Functional Equations and Application to Controller Synthesis. - Guoying Miao; Matthew M. Peet; Keqin Gu (CoRR, 2017)

Stability Analysis of Systems with Delay-Dependent Coefficients Subject to Some Particular Delay Structure. - Chi Jin 003; Keqin Gu; Silviu-Iulian Niculescu; Islam Boussaada (ECC, 2018)

Stability Analysis of Systems With Delay-Dependent Coefficients: An Overview. - Chi Jin 003; Keqin Gu; Silviu-Iulian Niculescu; Islam Boussaada (IEEE Access, 2018)

Some insights into the migration of double imaginary roots under small deviation of two parameters. - Dina-Alina Irofti; Keqin Gu; Islam Boussaada; Silviu-Iulian Niculescu (Autom., 2018)

Strong stability of a class of difference equations of continuous time and structured singular value problem. - Qian Ma 001; Keqin Gu; Narges Choubedar (Autom., 2018)

SOS for Systems with Multiple Delays: Part 1. H∞-Optimal Control. - Matthew M. Peet; Keqin Gu (ACC, 2019)

SOS for Systems with Multiple Delays: Part 2. H∞-Optimal Estimation. - Matthew M. Peet; Keqin Gu (ACC, 2019)

Stability Analysis of a More General Class of Systems With Delay-Dependent Coefficients. - Chi Jin 003; Keqin Gu; Islam Boussaada; Silviu-Iulian Niculescu (IEEE Trans. Autom. Control., 2019)

External direct sum invariant subspace and decomposition of coupled differential-difference equations. - Keqin Gu (ACC, 2022)

External Direct Sum Invariant Subspace and Decomposition of Coupled Differential-Difference Equations. - Keqin Gu; Huan Phan-Van (IEEE Trans. Autom. Control., 2024)

Stability analysis of systems with delay-dependent coefficients and commensurate delays. - Chi Jin 003; Keqin Gu; Qian Ma 001; Silviu-Iulian Niculescu; Islam Boussaada (Math. Control. Signals Syst., 2025)