International Journal Papers
2024
[36] H. T. Choi, and J. H. Kim*, "An L∞ performance control for time-delay systems with time-varying delay: delay-independent approach via ellipsoidal D-invariance," Special issue of Numerical Analysis of Differential Equations with Real-world Applications, AIMS Mathematics, Vol. 9, No. 11, 2024. (SCI)
[35] D. Kwak, J. H. Kim*, and T. Hagiwara, "A new quasi-finite-rank approximation of compression operators on L∞[0, H) with applications to sampled-data and time-delay systems: Piecewise linear kernel approximation approach", Journal of the Franklin Institute, vol. 361, no. 18, article no. 107271, 2024. (SCI)
https://doi.org/10.1016/j.jfranklin.2024.107271
[34] H. T. Choi, J. H. Kim*, and T. Hagiwara, "Characterizing L1 output feedback controller for nonlinear systems: Existence conditions via output controlled invariance domain," International Journal of Robust and Nonlinear Control, vol. 34, no. 17, pp. 11760--11785, 2024. (SCI)
https://doi.org/10.1002/rnc.7589
[33] G. I. Song, H. Y. Park, and J. H. Kim*, "The H∞ robust stability and performance conditions for uncertain robot manipulators," IEEE-CAA Journal of Automatica Sinica, accepted for publication, 2024. (SCI)
https://doi.org/10.1109/JAS.2024.124701
[32] O. R. Kang, and J. H. Kim*, "Robust sliding mode control for robot manipulators with analysis on trade-off between reaching time and L∞ gain," Mathematical Methods in the Applied Sciences, vol. 47, no. 9, pp. 7270--7287, 2024. (SCI)
https://doi.org/10.1002/MMA.9972
[31] G. I. Song and J. H. Kim*, "Time-delay compensation-based robust control of mechanical manipulators: Operator-theoretic analysis and experiment validation," Mathematical Methods in the Applied Sciences, vol. 47, no. 1, pp. 318--355, 2024. (SCI)
https://doi.org/10.1002/mma.9656
2023
[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
[23] D. Kwak, J. H. Kim*, and T. Hagiwara, "Generalized framework for computing the L∞ -induced norm of sampled-data systems," Applied Mathematics and Computation, Vol. 437, Article Number: 127518, 2023. (SCI)
https://doi.org/10.1016/j.amc.2022.127518
2022
[22] H. Y. Park, and J. H. Kim*, "The l1 optimal state estimator for load frequency control of power systems: A comparative and extensive study," IEEE ACCESS, Vol. 10, pp. 120680 -- 120689, 2022. (SCI)
https://doi.org/10.1109/ACCESS.2022.3222487
[21] J. H. Lee, J. H. Kim, and P. Park*, "A generalized multiple-integral inequality based on free matrices: Application to stability analysis of time-varying delay systems," Applied Mathematics and Computation, Vol. 430, Article Number: 127288, 2022. (SCI)
https://doi.org/10.1016/j.amc.2022.127288
[20] J. H. Kim*, and T. Hagiwara, "The generalized H2 controller synthesis problem of sampled-data systems," Automatica, Vol. 142, Article Number: 110400, 2022. (SCI)
https://doi.org/10.1016/j.automatica.2022.110400
[19] H. Y. Park, J. H. Kim*, and K. Yamamoto, "A new stability framework for trajectory tracking control of biped walking robots," IEEE Transactions on Industrial Informatics, Vol. 18, No. 10, pp. 6767--6777, 2022. (SCI)
https://doi.org/10.1109/TII.2021.3139909
2021
[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)
2020
[15] J. H. Kim*, J. Lee and Y. Oh, "A theoretical framework for stability regions for standing balance of humanoids based on their LIPM treatment," IEEE Transactions on Systems, Man, and Cybernetics: Systems, Vol. 50, No. 11, pp. 4569-4586, Nov, 2020. (SCI)
http://dx.doi.org/10.1109/TSMC.2018.2855190
[14] J. H. Kim*, Y. W. Choi and T. Hagiwara, "Computing the L∞-induced norm of LTI systems: generalization of piecewise quadratic and cubic approximations," IEEE Access, Vol. 8, pp. 139868 - 139880, 2020.(SCI)
https://dx.doi.org/10.1109/ACCESS.2020.3012253
[13] J. H. Kim*, and S.-m. Hur, "Induced norm-based analysis for computed torque control of robot systems," IEEE Access, Vol. 8, pp. 126228--126238, 2020. (SCI)
http://dx.doi.org/10.1109/ACCESS.2020.3007949
[12] J. Lee and J. H. Kim*, "A comparative study on the l1 optimal event-based method for biped walking on rough terrains," IEEE Access, Vol. 8, pp. 96304--96314, 2020. (SCI)
2019~
[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