[30]  O. R. Kang and J. H. Kim*, "The l∞ -induced norm of multivariable discrete-time linear systems: Upper and lower bounds with convergence rate analysis," Special issue of Recent Contributions to Difference Equations, AIMS Mathematics,  vol. 8, No. 12, pp. 29140--29157, 2023. (SCI)

https://doi.org/10.3934/math.20231492

[29] D. Kwak, J. H. Kim*, and T. Hagiwara, "Robust stability analysis of sampled-data systems with uncertainties characterized by the L∞-induced norm: Gridding treatment with convergence rate analysis", IEEE Transactions on Automatic Control, vol. 68, no. 12, pp. 8119--8125, 2023. (SCI)

https://doi.org/10.1109/TAC.2023.3288631

[28]   H. T. Choi and J. H. Kim*, "The L1 controller synthesis for piecewise continuous nonlinear systems via set invariance principles," International Journal of Robust and Nonlinear Control, vol. 33, no. 14, pp.8670--8692, 2023. (SCI)

https://doi.org/10.1002/rnc.6843

[27]   H. Y. Park and J. H. Kim*, "Model-free control approach to uncertain Euler-Lagrange equations with a Lyapunov-based  L∞-gain analysis ," Special issue of Stability and Optimal Control on Uncertain Systems, AIMS Mathematics, Vol. 8, No. 8, pp. 17666--17686, 2023. (SCI)

https://doi.org/10.3934/math.2023902

[26]   H. T. Choi, H. Y. Park, and J. H. Kim*, "Output-based event-triggered control for discrete-time system with three types of performance analysis," Special issue of Stability and Optimal Control on Uncertain Systems, AIMS Mathematics, Vol. 8, No. 7, pp. 17091-17111, 2023. (SCI)

https://doi.org/10.3934/math.2023873

[25]   H. Y. Park, H. T. Choi, and J. H. Kim*, "The l∞/p-gains for discrete-time observer-based event-triggered systems," International Journal of Robust and Nonlinear Control, Vol. 33, No. 11, pp. 6121--6134, 2023. (SCI)

https://doi.org/10.1002/rnc.6685

[24]   H. T. Choi, and J. H. Kim*, "Set-invariance-based interpretations for the L1  performance of nonlinear systems with non-unique solutions," International Journal of Robust and Nonlinear Control, Vol. 33, No. 3, pp. 1858 -- 1875, 2023. (SCI)

https://doi.org/10.1002/rnc.6469

[18]   D. Kim, K. Ryu, J. H. Kim, and J. Back*, "Zero assignment via generalized sampler: a countermeasure against zero-dynamics attack,"  IEEE Access, Vol. 9, pp. 109932--109942, 2021. (SCI) 

 https://doi.org/10.1109/ACCESS.2021.3101637

[17]   J. H. Kim*, and T. Hagiwara, "L1 optimal controller synthesis for sampled-data systems via piecewise linear kernel approximation,"  International Journal of Robust & Nonlinear Control,  Vol. 31, No. 10, pp. 4933--4950, 2021. (SCI) 

https://doi.org/10.1002/rnc.5513 

[16]   T. Hagiwara, A. Inai and J. H. Kim*,  "On well-definability of the  L∞/L2  hankel operator and detection of all the critical instants in sampled-data systems,''  IET Control Theory & Applications,  Vol. 15, No. 5, pp. 668--682, 2021. (SCI) 

https://doi.org/10.1049/cth2.12069 

[11]   T. Hagiwara*, A. Inai and  J. H. Kim,  "The L∞/L2  Hankel operator/norm of sampled-data systems," SIAM Journal on Control and Optimization, Vol. 55, No. 5, pp. 3685-3707, 2018. (SCI) 

https://doi.org/10.1137/17M1123146

[10]   J. H. Kim, S.-m. Hur and Y. Oh*,  "Performance analysis for bounded persistent disturbances in PD/PID-controlled robotic systems with its experimental demonstrations," International Journal of Control, Vol. 91, No. 3, pp. 688-705, 2018 (SCI)

http://dx.doi.org/10.1080/00207179.2017.1288301

[9]  J. H. Kim* and T. Hagiwara,  "Upper/lower bounds of generalized H2 norms in sampled-data systems with convergence rate analysis and discretization viewpoint," Systems & Control Letters, Vol. 107, pp. 28--35, 2017. (SCI)

http://dx.doi.org/10.1016/j.sysconle.2017.06.008

[8]   J. H. Kim* and T. Hagiwara,  "Extensive theoretical/numerical comparative studies on H2 and generalised H2 norms in sampled-data systems,"  International Journal of Control, Vol. 90, No. 11, pp. 2238--2253, 2017. (SCI) 

http://dx.doi.org/10.1080/00207179.2016.1257158

[7]   J. H. Kim* and T. Hagiwara,  "Further results on the L1 analysis of sampled-data systems via kernel approximation approach," International Journal of Control, Vol. 89, No. 8, pp. 1684--1697, 2016. (SCI) 

http://dx.doi.org/10.1080/00207179.2016.1144239

[6]   J. H. Kim* and T. Hagiwara,  "L1 discretization for sampled-data controller synthesis via piecewise linear approximation," IEEE Transactions on Automatic Control, Vol. 61, No. 5, pp. 1143--1157, 2016. cover article (SCI) 

http://dx.doi.org/10.1109/TAC.2015.2452815 

[5]   J. H. Kim*, T. Hagiwara and K. Hirata,  "Spectrum of monodromy operator for a time-delay system with application to stability analysis,"IEEE Transactions on Automatic Control, Vol. 60, No. 12, pp. 3385--3390, 2015. (SCI)  

http://dx.doi.org/10.1109/TAC.2015.2422479

[4]   J. H. Kim* and T. Hagiwara,  "Computing the L∞-Induced norm of linear time-invariant systems via kernel approximation and its comparison with input approximation," IET Control Theory & Applications, Vol. 9, No. 5, pp. 700--709, 2015. (SCI)  

http://dx.doi.org/10.1049/iet-cta.2014.0453

[3]   J. H. Kim* and T. Hagiwara, "L∞-Induced norm analysis of sampled-data systems via piecewise constant and linear approximations," Automatica, Vol. 51, No. 1, pp. 223--232, 2015.  (SCI)  

http://dx.doi.org/10.1016/j.automatica.2014.10.102

[2]   J. H. Kim* and T. Hagiwara,  "Computing the L∞[0,h) -induced norm of a compression operator via fast-lifting,'' Systems & Control Letters, Vol. 67,  No. 1,  pp. 1--8 , 2014.  cover article (SCI)  

http://dx.doi.org/10.1016/j.sysconle.2014.01.009 

[1]   J. H. Kim* and T. Hagiwara,  "Quasi-finite-rank approximation of compression operators on L∞[0, h) with application to stability analysis of time-delay systems,"  IET Control Theory & Applications, Vol. 8,  No. 2,  pp. 77--85, 2014.  (SCI)

http://dx.doi.org/10.1049/iet-cta.2013.0458