PAPERS

1976

[1] Chen, H.F. and W.F. An, Prediction and filtering problems for signals of stationary random process with polynomial superimposed (in Chinese), Acta Automatica Sinica, Vol.4, No.1, 60-66, 1966.

1977

[2] Chen, H.F., On stochastic observability, Scientia Sinica, Vol.20, No.3, 305-324, 1977.

[3] Chen, H.F., Linear singular stochastic control (in Chinese), Acta Mathematica Sinica, Vol.20, No.2, 148-152, 1977.

1978

[4] Chen, H.F., On stochastic controllability (in Chinese), Acta Mathematicae Applicatae Sinica, Vol.1, No.2, 175-179, 1978.

1979

[5] Chen, H.F., Optimality of estimates without the knowledge of initial values (EWKIV), Scientia Sinica, Vol.22, No.6, 615-627, 1979.

[6] Chen, H.F., The stochastic observability and estimates without the knowledge of initial values for continuous time systems, Scientia Sinica, Special Issue (II) on Mathematics, 281-293, 1979.

[7] Chen, H.F., The statistical characteristics of estimates without the knowledge of initial values (in Chinese), Acta Mathematica Sinica, Vol.22, No.1, 118-122, 1979.

[8] Chen, H.F., Stochastic control problems with the quadratic performance index (in Chinese), Acta Mathematica Sinica, Vol.22, No.4, 438-447, 1979.

[9] Chen, H.F., Stochastic control under the minimax performance index of the quadratic type (in Chinese), Scientia Sinica, Special Issue (I) on Mathematics, 165-177, 1979.

1980

[10] Chen, H.F., Linear unbiased minimum variance interpolation and extrapolation (in Chinese), Acta Mathematica Sinica, Vol.23, No.1, 88-97, 1980.

[11] Chen, H.F., On stochastic observability and controllability, Automatica, Vol.16, No.2, 179-190, 1980.

[12] Chen, H.F., Comments on “An asymptotic property for a class of finite difference equations”, Int. J. Control, Vol.31, No.5, 1011, 1980.

[13] Chen, H.F., Least squares identification for continuous time systems, In Bensoussan & Lions (Eds.), Analysis and Optimization, Lecture Notes in Control and Information Science, Vol.28, 264-277, Springer, 1980.

1981

[14] Chen, H.F., Singular games for the linear quadratic Gaussian systems, Scientia Sinica, Vol.24, No.6, 182-193, 1981.

[15] Chen, H.F., Equivalent conditions for stochastic observability (in Chinese), Acta Mathematica Sinica, Vol.24, No.6, 254-259, 1981.

[16] Chen, H.F., Unified controls and strategies applicable to both singular and nonsingular cases, Control Science and Technology for Progress of Society, Proceedings of the 8th IFAC World Congress, Kyoto, 1981.

[17] Chen, H.F., Recursive algorithms for adaptive beam-formers, Kexue Tongbao (Science Bulletin), Vol.26, No.6, 490-493, 1981.

[18] Chen, H.F., Consistency of least squares identification (in Chinese), Acta Mathematica Scientia, Vol.1, No.2, 177-183, 1981.

[19] Chen, H.F., Strong consistency of recursive identification under correlated noise, J. Sys. Sci. & Math. Scis., Vol.1, No.1, 34-52, 1981.

[20] Chen, H.F., Quasi-least-squares identification and its strong consistency, Int. J. Control, Vol.34, No.5, 921-936, 1981.

1982

[21] Chen, H.F., Strong consistency and convergence rate of least squares identification, Scientia Sinica (Series A), Vol.25, No.7, 771-784, 1982.

[22] Chen, H.F., Unified control law under the quadratic performance index, Acta Mathematicae Applicatae Sinica, Vol.5, No.1, 45-52, 1982.

[23] Chen, H.F., Self-tuning controller and convergence under correlated noise, Int. J. Control, Vol.35, No.6, 1051-1059, 1982.

[24] Chen, H.F., Stochastic approximation with ARMA measurement errors, J. Sys. Sci. & Math. Scis., Vol.2, No.3, 227-239, 1982.

[25] Chen, H.F., Two kinds of linear estimates in Hilbert space and their connection (in Chinese), Acta Mathematica Sinica, Vol.25, No.6, 671-679, 1982.

[26] Chen, H.F., On continuous time stochastic approximation, In Bensoussan & Lions (Eds.), Analysis and Optimization, Lecture Notes in Control and Information Science, Vol.44, Springer, 203-214, 1982.

[27] Caines, P.E. and H.F. Chen, On the adaptive control of stochastic systems with random parameters: a counterexample, Recursive di Automatica, Vol.13, No.1, 190-196, 1982.

1983

[28] Chen, H.F., Strong consistency in system identification under correlated noise, Proceedings of the 6th IFAC Symposium on Identification and System Parameter Estimation, Pergamon Press, Oxford, 1983, 964-969.

[29] Chen, H.F., Consistency theorem in system identification (in Chinese), Acta Mathematicae Applicatae Sinica, Vol.6, No.2, 149-159, 1983.

[30] Chen, H.F., Convergence and consistency for recursive identification procedures, Acta Mathematicae Applicatae Sinica, Vol.6, No.1, 50-60, 1983.

[31] Kwan, C.C., H.F. Chen, D.X. Feng, J.Q. Wei and E.P. Wang, Analysis of quantization error for the inertial navigation system, J. Sys. Sci. & Math. Scis., Vol.3, No.3, 220-237, 1983.

[32] Chen, H.F., Continuous time stochastic approximation with measurement error being process of dependent increment, Acta Mathematica Scientia, Vol.3, No.1, 57-70, 1983.

[33] Chen, H.F., Stochastic approximation under correlated measurement errors (in Chinese), Scientia Sinica, No.3, 264-274, 1983.

1984

[34] Chen, H.F., Asymptotic normality of continuous time stochastic approximation algorithm, English Edition, Acta Mathematicae Applicatae Sinica, Vol.1, No.1, 31-43, 1984.

[35] Chen, H.F., Asymptotic normality of stochastic approximation under correlated noise, J. Sys. Sci. & Math. Scis., Vol.4, No.2, 136-159, 1984.

[36] Chen, H.F., Asymptotic properties of least squares identification, Acta Mathematica Sinica, Vol.27, No.1, 20-30, 1984.

[37] Chen, H.F., Adaptive control for continuous stochastic systems with quadratic loss function, Acta Mathematica Scientia, Vol.4, No.1, 51-70, 1984.

[38] Chen, H.F., Recursive system identification and adaptive control by use of the modified least squares algorithm, SIAM J. Control and Optimization, Vol.22, No.5, 758-776, 1984.

1985

[39] Chen, H.F. and P.E. Caines, Adaptive linear quadratic control for stochastic discrete time systems, IMA J. Math. Control and Information, Vol.2, 319-334, 1985.

[40] Chen, H.F. and P.E. Caines, On the adaptive control of a class systems with random parameters and disturbances, Automatica, Vol.21, No.6, 737-741, 1985.

[41] Caines, P.E. and H.F. Chen, Optimal adaptive LQG control for systems with finite state process parameters, IEEE Trans. on Autom. Control, Vol.AC-30, No.2, 185-189, 1985. pdf

[42] Chen, H.F. and P.E. Caines, Strong consistency of stochastic gradient algorithm of adaptive control, IEEE Trans. on Autom. Control, Vol.AC-30, No.2, 189-192, 1985. pdf

[43] Chen, H.F. and L. Guo, Strong consistence of parameter estimates for discrete time stochastic systems, J. Sys. Sci. & Math. Scis., Vol.5, No.2, 81-93, 1985.

[44] Chen, H.F. and L. Guo, Strong consistence of recursive identification by no use of persistent excitation condition, Acta Mathematicae Applicatae Sinica, Vol.2, No.2, (English Edition), 133-145, 1985.

1986

[45] Chen, H.F. and Y.M. Zhu, Stochastic approximation procedures with randomly varying truncations, Scientia Sinica (Series A), Vol.29, No.9, 914-926, 1986.

[46] Chen, H.F. and L. Guo, The limit of stochastic gradient algorithm for identifying systems excited not persistently, Kexue Tongbao (Science Bulletin), No.1, 6-9, 1986.

[47] Chen, H.F. and L. Guo, Stochastic adaptive pole-zero assignment with convergence analysis, Systems and Control Letters, Vol.7, No.3, 159-164, 1986.

[48] Chen, H.F. and L. Guo, Optimal adaptive control with quadratic index, Int. J. Control, Vol.43, No.3, 869-881, 1986.

[49] Chen, H.F. and L. Guo, Strong consistence of parameter estimates in the optimal adaptive tracking systems, Scientia Sinica (Series A), Vol.29, No.11, 1145-1156, 1986.

[50] Chen, H.F. and L. Guo, Convergence rate of least squares identification and adaptive control for stochastic systems, Int. J. Control, Vol.44, No.5, 1459-1476, 1986.

1987

[51] Chen, H.F., C.T. Wu and Y.M. Zhu, Continuous-time stochastic approximation algorithm with randomly varying truncations, Acta Mathematica Scientia, Vol.7, No.1, 43-55, 1987.

[52] Chen, H.F. and L. Guo, Adaptive control with recursive identification for stochastic linear systems, in Leondes (Ed.) Control and Dynamic Systems, Vol.26, Part.2, Academic Press, 1987, 277-331.

[53] Chen, H.F., Stochastic approximation with randomly varying truncations in the optimization problem, (in Chinese), Acta Mathematicae Applicatae Sinica, Vol.10, No.1, 58-67, 1987.

[54] Chen, H.F. and Y.M. Zhu, Asymptotical properties of randomly truncated stochastic approximation procedures, Acta Mathematica Scientia, Vol.7, No.4, 431-441, 1987.

[55] Chen, H.F. and L. Guo, Asymptotically optimal adaptive control with consistent parameter estimates, SIAM J. Control and Optimization, Vol.25, No.3, 558-575, 1987.

[56] Chen, H.F. and L. Guo, Optimal adaptive control and consistent parameter estimates for ARMAX model with quadratic cost, SIAM J. Control and Optimization, Vol.25, No.4, 845-867, 1987.

[57] Chen, H.F. and J.B. Moore, Convergence rate of continuous time ELS parameter estimation, IEEE Trans. on Autom. Control, Vol.AC-32, No.3, 267-269, 1987. pdf

[58] Chen, H.F. and L. Guo, Adaptive control via consistent estimation for deterministic systems, Int. J. Control, Vol.45, No.6, 2183-2202, 1987.

[59] Chen, H.F. and L. Guo, Simultaneous estimation of both zero of regression function and parameters in noise, J. Sys. Sci. & Math. Scis., Vol.7, No.2, 117-128, 1987.

[60] Chen, H.F. and L. Guo, An unified approach to tracking and quadratic cost for stochastic adaptive control systems, Preprints of the 10th IFAC World Congress, 1987, Munich.

[61] Chen, H.F. and L. Guo, Robustness analysis of identification and adaptive control for stochastic systems, Systems and Control Letters, Vol.9, 131-140, 1987.

[62] Chen, H.F. and L. Guo, Consistent estimation of the order of the stochastic control systems, IEEE Trans. on Autom. Control, Vol.AC-32, No.6, 531-535, 1987. pdf

[63] Chen, H.F. and L. Guo, Stochastic adaptive control for a general quadratic cost, J. Sys. Sci. & Math. Scis., Vol.7, No.4, 287-302, 1987.

[64] Chen, H.F., Parameter identification and adaptive control, in Gu Chaohao and Wang Yuan (Eds.), Advances in Science of China, Mathematics, Vol.2, Science Press and John Wiley, 1987.

1988

[65] Chen, H.F., L. Guo and A.J. Gao, Convergence and robustness of the Robbins-Monro algorithm truncated at randomly varying bounds, Stochas. Processes & Their Appl., Vol.27, 217-231, 1988.

[66] Chen, H.F. and L. Guo, Law of iterated logarithm for state variables with applications, Acta Math. Sinica, New Series, Vol.4, No.4, 343-355, 1988.

[67] Chen, H.F. and L. Guo, A robust adaptive controller, IEEE Trans. on Autom. Control, Vol.AC-33, No.11, 1035-1043, 1988. pdf

[68] Guo, L. and H.F. Chen, Convergence rate of ELS based adaptive trackers, Sys. Sci. & Math. Scis., Vol.1, No.2, 131-138, 1988.

[69] Guo, L. and H.F. Chen, Robust stochastic adaptive control for nonminimum phase systems, Sys. Sci. & Math. Scis., Vol.1, No.1, 57-71, 1988.

[70] Guo, L. and H.F. Chen, A method for adaptive estimation of ARMA process, Systems and Control Letters, Vol.11, 351-356, 1988.

1989

[71] Chen, H.F. and L. Guo, Nonstationary time series analysis, Computer and Mathematics with application (an International Journal), Vol.17, No.8/9, 1247-1258, 1989.

[72] Guo, L., H.F. Chen and J.F. Zhang, Consistent order estimation for linear stochastic feedback control systems (CARMA model), Automatica, Vol.25, No.1, 147-151, 1989.

[73] Chen, H.F. and L. Guo, The limit passage in the stochastic adaptive LQ control problem, Control Theory and Applications, Vol.6, No.1, 51-56, 1989.

[74] Chen, H.F. and A.J. Gao, Robustness analysis of stochastic approximation algorithm, Stochastics and Stochastics Reports, Vol.26, 3-20, 1989.

[75] Chen, H.F. and J.F. Zhang, Stochastic adaptive control for system with noise being an ARMA process, Sys. Sci. & Math. Scis., Vol.2, No.1, 40-53, 1989.

[76] Chen, H.F. and J.F. Zhang, Convergence rate in stochastic adaptive tracking, Int. J. Control, Vol.49, No.6, 1915-1935, 1989.

[77] Chen, H.F. and J.F. Zhang, Identification and adaptive control for systems with unknown orders, time-delay and coefficients (Correlated noise case), in Chinese, J. Sys. Sci. & Math. Scis., Vol.9, No.4, 355-363, 1989.

[78] Chen, H.F., P.R. Kumar and J.H. Van Schuppen, On Kalman filter for conditionally Gaussian systems with random matrices, Systems and Control Letters, Vol.13, 397-404, 1989.

1990

[79] Chen, H.F. and L. Guo, Continuous time stochastic adaptive tracking: robustness and asymptotic properties, SIAM J. Control & Optimization, Vol.28, No.3, 513-529, 1990.

[80] Chen, H.F. and J.F. Zhang, Identification of linear systems without assuming stability and minimum-phase, Science in China (Series A), Vol.33, No.6, 641-653, 1990.

[81] Chen, H.F. and J.F. Zhang, Identification and adaptive control for systems with unknown orders, time-delay and coefficients (Uncorrelated noise case), IEEE Trans. on Autom. Control, Vol.AC-35, No.8, 866-877, 1990. pdf

[82] Chen, H.F. and J.F. Zhang, Identification of coefficients, orders and time-delay for ARMAX systems, Preprints of the 11th IFAC Congress, 1990, Vol.3, 129-134.

[83] Chen, H.F. and J.F. Zhang, Stochastic adaptive control for ARMAX systems with unknown orders, time-delay and coefficients, Preprints of the 11th IFAC Congress, 1990, Vol.4, 81-86.

[84] Chen, H.F. and J.F. Zhang, Convergence analysis for adaptive control systems with unknown orders, delay and coefficients, System Science, Vol.16, No.4, 27-46, 1990.

1991

[85] Chen, H.F., L. Guo and J.F. Zhang, Identification and adaptive control for ARMAX systems, Lecture Notes in Control and Information Sciences, Vol.161, Topics in Stochastic Systems: Modeling Estimation and Adaptive Control, Ed. L.Gerencser and P.E. Caines, Springer, 1991, 216-141.

[86] Zhang, J.F., L. Guo and H.F. Chen, L_p-stability of tracking errors for time-varying systems, Int. J. of Adaptive Control and Signal Processing, Vol.5, 155-174, 1991.

[87] Chen, H.F. and L. Guo, Stochastic control systems, Contemporary Mathematics, Vol.118, Probability Theory and Its Applications in China, Ed. by S.J. Yan, C.C. Yang and J.G. Wang, 1991, 1-22.

[88] Tang Q.Y. and H.F. Chen, Optimal adaptive control with constraint for ARMAX model, Systems Science and Mathematical Sciences, Vol.14, No.3, 254-263, 1991.

[89] Chen, H.F., L. Guo and J.F. Zhang, LMS-like estimation for time-varying parameters, Acta Mathematica Scientia, Vol.11, No.3, 327-340, 1991.

[90] Guo, L. and H.F. Chen, Convergence and optimality of Astrom-Wittenmark's self-tuning tracker (in Chinese), Science in China (Series A), Vol.9, 905-913, 1991.

[91] Guo, L. and H.F. Chen, The Astrom-Wittenmark's self-tuning regulator revisited and ELS-based adaptive trackers, IEEE Trans. Automatic Control, Vol.36, No.7, 802-812, 1991. pdf

[92] Chen, H.F. and J.F. Zhang, Adaptive regulation for deterministic systems, Acta Mathematicae Applicatae Sinica, Vol.7, No.4, 332-343, 1991.

1992

[93] Gao, A.J., H.F. Chen and Y.M. Zhu, Improved results for robustness of stochastic approximation algorithms, Acta Mathematicae Applicatae Sinica, Vol.8, No.2, 124-130, 1992.

[94] Gao, A.J. and H.F. Chen, Adaptive stochastic approximation for measurement with correlated noise, Syst. Sci. and Math. Scis., Vol.5, No.3 , 213-226, 1992.

[95] Guo, L. and H.F. Chen, Influence of the measurement error on the adaptive control of a robot arm, Acta Automatica Sinica, Vol.18, No.3, 358-361, 1992.

[96] Chen,H.F. et Cl. Deniau, Robustesse de l'estimateur des moindres carres generalises vis-a-vis d'une erreur de modele, pour des processus ARMA, C. R. Acad. Sci. Paris, t.315, Serie I, p. 1103-1106, 1992.

[97] Chen, H.F., Stochastic adaptive control, Stochastic Theory and Adaptive Control, Lecture Notes in Control and Information Sciences 184, Eds. T.E.Duncan and B.Pasik-Duncan, Springer-Verlag, 1992, 93-120.

1993

[98] Guo, L. and H.F. Chen, Identification of stochastic time-varying parameters, New Direction in Time Series Analysis, Part II, The IMA Volumes in Mathematics and Its Applications, Vol. 46, Series Editors: A. Friedman and W. Mitter, Jr., Springer, 1993, pp 211-224.

[99] Guo, L. and H.F. Chen, Convergence of Astrom-Wittenmark's self-tuning regulator and related topics, New Direction in Time Series Analysis, Part II, The IMA Volumes in Mathematics and Its Applications, Vol. 46, Series Editors: A. Friedman and W. Mitter, Jr., Springer, 1993, pp 225-238.

[100] Chen, H.F. and J.F. Zhang, Adaptive stabilization of unstable and nonminimum-phase stochastic systems, Systems and Control Letters, Vol.20, 27-83, 1993 .

[101] Chen, H.F., Adaptive $LQ$ control for discrete-time stochastic system, Science in China (Series A), Vol.36, No.9, 1140-1152, 1993.

[102] Chen, H.F. and J.F. Zhang, On identifiability for multidimensional ARMAX model, Acta Mathematicae Applicatae, Vol.9, No.1, 1-9, 1993.

[103] Chen, H.F., Asymptotically Efficient Stochastic Approximation, Stochastics and Stochastics Reports, Vol.45, No.1+2, 1-16, 1993.

[104] Zhang, J. F. and H. F. Chen, Adaptive control designed via deterministic excitation, Control Theory and Applications, Vol.10, No.2, 173-182, 1993.

1994

[105] Chen, H.F., Control Theory: its status and hopes on it (in Chinese), Information and Control, Vol.23, No.1, 34--37, 1994.

[106] Tang, Q.Y. and H.F. Chen, Convergence of perturbation analysis based optimization algorithm with fixed-number of customers period, Discrete Event Dynamic Systems, No.4, 359-373, 1994.

[107] Chen, H.F. and C.Deniau, Parameter estimation for ARMA process with errors in models, Statistics and Probability Letters, No.20, 91-99, 1994.

[108] Tang, Q.Y. and H.F. Chen, Computation of period for discrete event dynamic systems with multistage feedback control, Control Theory and Applications, Vol.11, No. 3, 366-370, 1994.

[109] Chen, H.F. and Q.Y. Tang, Stability analysis for manufacturing systems composing of unreliable machines with random batch inputs, IEEE Trans. Automatic Control, Vol.39, No.3, 681-686, 1994.pdf

[110] Chen, H.F., Continuous-time stochastic approximation: convergence and asymptotic efficiency, Stochastics and Stochastics Reports, Vol.51, 111-132, 1994.

[111] Zhang, J.F. and H.F. Chen, Adaptive stabilization for continuous time systems with disturbances, International Journal of Adaptive Control and Signal Processing, Vol.8, 483-499, 1994.

[112] Chen, H. F., Stochastic approximation and its new applications, Proceedings of 1994 Hong Kong International Workshop on New Directions of Control and Manufacturing, 1994, 2-12.

1995

[113] Chen, H.F., Continuous-time stochastic adaptive control stabilizing the system and minimizing the quadratic loss function, Systems Science and Mathematical Sciences, Vol.8, No.2, 166--181, 1995.

1996

[114] Chen, H. F. and J. F. Zhang, Adaptive pole-assignment for controllable systems, Science in China (Series E) Vol.39, No.1, 103-112, 1996.

[115] Tang, Q. Y., H. F. Chen and C. J. Han, Optimizing algorithms for perturbation analysis based stochastic discrete event systems, Science in China (Series E) (in Chinese), Vol.26, No.1, 56-63, 1996.

[116] Chen, H.F., T.Duncan and B.Pasik-Duncan, Stochastic adaptive control for continuous-time linear systems with quadratic cost, Appl. Math. Optim., Vol.34, 113-138, 1996.

[117] Li, Y. and H.F.Chen, Robust adaptive stabilization of time-varying discrete-time systems, Acta Mathematica Scientia, Vol.16, No.4, 375-387, 1996.

[118] Li, Y. and H.F.Chen, Robust adaptive stabilization for time-varying systems with unmodeled dynamics and disturbances, International Journal of Adaptive Control and Signal Processing, Vol.10, 531-550, 1996.

[119] Li, Y. and H.F.Chen, Robust adaptive pole placement for linear time-varying systems, IEEE Trans. Autom. Control, Vol.41, No.5, 714-719, 1996. pdf

[120] Chen, H. F., T. E. Duncan and B. Pasik-Duncan, Reducing measurement for Kiefer-Wolfowitz algorithm, Proceedings of the 28th ISCIE International Symposium on Stochastic Systems Theory and Its Applications Kyoto, Nov. 14-16, 1996, 31-36.

1997

[121] Tang, Q. Y., H. F. Chen and Z.J. Han, Convergence rates of perturbation-analysis-Robbins-Monro-single-run algorithms, IEEE Trans. Automatic Control, Vol.42, No.10, 1442-1447,1997.pdf

[122] Zhang, J. H. and H. F. Chen, Convergence of algorithms used for principal component analysis, Science in China (Series E), Vol.40, No.6, 597-604, 1997.

[123] Chen, H. F. and Xi-Ren Cao, Controllability is not necessary for adaptive pole placement control, IEEE Trans. Autom. Control, Vol.42, No.9, 1222-1229, 1997. pdf

[124] Cao, X. R. and H. F. Chen, Potentials, perturbation realization, and sensitivity analysis of Markov processes, IEEE Trans. Autom. Control, Vol.42, No.10, 1382-1393, 1997. pdf

[125] Bagchi, A., H. F. Chen, Optimal stochastic adaptive control for a class of stochastic systems, Sadhana, Academy Proceedings in Engineering Sciences, published by Indian Academy of Sciences, Vol.22 Part 4, August 1997, 485-498.

1998

[126] Wang, G. J. and H. F. Chen, Global stochastic optimization under correlated measurement noise (in Chinese), Acta Mathematica Applicatae Sinica, Vol.21, No.1, 50-56, 1998.

[127] Chen, H. F. and L. Guo, Modern control theory:some progress and perspectives, Chinese Science Bulletin, Vol.43, No.1, 1-6, 1998.

[128] Chen, H. F., Convergence rate of stochastic approximation algorithms in the degenerate case, SIAM J. Control and Optimization, Vol.36, No.1, 100-114, 1998.

[129] Chen, H. F. and Q. Wang, Continuous-time Kiefer-Wolfowitz algorithm with randomized differences, Systems Science and Mathematical Sciences, Vol.11, No.4, 327-341, 1998.

[130] Chen, H. F., Stochastic approximation with non-additive measurement noise, Journal of Applied Probability, Vol.35, 407-417, 1998.

[131] Fang, H. T. and H. F. Chen, Sharp convergence rates of stochastic approximation for degenerate roots, Science in China E, Vol.41, No.4, 383-392, 1998.

[132] Chen, H. F., Convergence of SA algorithms in multi-root or multi-extreme cases, Stochastics and Stochastics Reports, Vol.64, 255-266, 1998.

[133] Chen, H. F. and K. Uosaki, Convergence analysis of dynamic stochastic approximation, Systems and Control Letters, Vol.35, 309-315, 1998.

1999

[134] Wang, G. J. and H. F. Chen, Behavior of stochastic approximation algorithm in root set of regression function, Systems Science and Mathematical Sciences, Vol.12, No.1, 92-96, 1999.

[135] Chen, H. F., T. Duncan and B. Pasik-Duncan, A Kiefer-Wolfowitz algorithm with randomized differences, IEEE Trans. Autom. Control, Vol.44, No.3, 442-453, 1999.pdf

[136] Tang, Q. Y. and H. F. Chen, Convergence rate of ordinal optimization for stochastic discrete event systems, J. of Discrete Event Dynamic Systems, Vol9, No1, 23-43, 1999.

[137] Chen, H. F. and L. Guo, China's control theory towards 21st century (in Chinese), Control Theory and Applications, Vol. 16 Suppl. , 23-26, December 1999.

[138] Tang, Q. Y., P. L'Ecuyer and H. F. Chen, Asymptotic efficiency of perturbation analysis based stochastic approximation with averaging, SIAM J. Control and Optimization, Vol. 37, 1822-1847, 1999.

2000

[139] Tang, Q. Y., P. L'Ecuyer and H. F. Chen, Central limit theorems for stochastic optimization algorithms using infinitesimal perturbation analysis, Discrete Event Dynamic Systems: Theory and Applications, Vol. 10, No. 1/2, 5-32, 2000.

[140] Chen, H. F. and X. R. Cao, Pole assignment for stochastic systems with unknown coefficients, Science in China, (Series E), Vol.43, No.3, 313-323, 2000.

[141] Fang, H. T. and H. F. Chen, Stability and instability of limit points of stochastic approximation algorithms, IEEE Trans. Autom. Control, Vol.45, No.3, 413-420, 2000.pdf

[142] Fang, H. T. and H. F. Chen, An a.s. convergent algorithm for global optimization with noise corrupted observations, J. Optimization and Its Applications, Vol.104, No.2, 343-376, 2000.

[143] Chen, H. F., Stochastic approximation with state-dependent noise, Science in China, (Series E), Vol 43, No. 5, 531-541, 2000.

2001

[144] Cheng, D., H. Du and H. F. Chen, Geometric structure in stochastic approximation, Acta Mathematicae Applicatae Sinica, Vol.17, No.1, 53-59, 2001.

[145] Fang, H. T., H. F. Chen and X. R. Cao, Recursive approaches for single sample path based Markov reward processes, Asian Journal of Control, Vol. 3, No. 1, 21-26, 2001.

[146] Fang, H. T. and H. F. Chen, Asymptotic behavior of asynchronous stochastic approximation, Science in China, (Series F), Vol.44, No. 4, 249-258, 2001.

[147] Chen, H. F. and Q. Wang, Adaptive regulator for discrete-time nonlinear nonparametric systems, by IEEE Trans. Autom. Control, Vol.46, No.11, 1836-1840, 2001. pdf

[148] Chen, H. F., X. B. Cao and H. T. Fang, Stability of adaptively stabilized stochastic systems, IEEE Trans. Autom. Control, Vol. 46, No.11, 1832-1836, 2001. pdf

[149] Chen, H. F., Optimization based on information containing uncertainties, Kybernetes, Vol. 30, No. 9/10, 1177-1182, 2001.

2002

[150] Chen, H. F., Identification of Both Closed- and Open-Loop Stochastic System While Stabilizing It, Journal of Systems Science and Complexity, Vol.15, No. 1, 1-17, 2002.

[151] Yin, G. and H. F. Chen, Blind Channel Identification via Stochastic Approximation: Constant Step-size Algorithms, Systems and Control Letters, Vol.45, No. 5, 347-356, 2002.

[152] Cao, X. B. and H. F. Chen, Equivalence of two kinds of Ed. B. Pasik-Duncan, Springer, 2002, 83-96.

[153] Chen, H. F., X. R. Cao and J. Zhu, Convergence of a stochastic approximation based algorithm for blind channel identification, IEEE Trans. Information Theory, Vol. 48, No. 5, 1214-1225, 2002.

[154] Chen, H. F. and H. T. Fang, Nonconvex stochastic optimization for model reduction, Journal of Global Optimization, Vol. 23, 359-372, 2002.

[155] Yin, G. and H. F. Chen, On asymptotic properties of a constant step-size sign-error algorithms for adaptive filtering, Science in China, (Series F), Vol. 45, No. 5, 321-334, 2002.

2003

[156] Chen, H. F., Almost surely convergence of iterative learning control for stochastic systems, Science in China, (Series F), Vol. 46, No. 1, 69-79, 2003.

[157] Chen, H. F., Stochastic approximation with some applications, in Eds. David D. Yao, Hanqin Zhang, and Xun Yu Zhou, Stochastic Modeling and Optimization, Springer, New York, 2003, pp 87-109.

[158] Chen, H. F., On Stability and Trajectory Boundedness in Mean-square Sense for ARMA Processes, Acta Mathematicae Applicatae Sinica, English Series,Vol.19, No.4, 573-580, 2003.

2004

[159] Chen, H. F. and Hai-Tao Fang, Output Tracking for Nonlinear Stochastic Systems by Iterative Learning Control, IEEE Trans. Automatic Control, Vol.49, No.4, 583-588, 2004. pdf

[160] Chen, H. F., Pathwise Convergence of Recursive Identification Algorithms for Hammerstein Systems, IEEE Trans. Automatic Control, Vol.49, No.10, 1641-1649, 2004. pdf

2005

[161] Chen, H. F. and J. M. Yang, Strongly consistent coefficient estimate for errors-in-variables models,  Automatica, Vol.41, 1025-1033, 2005. pdf

[162] Chen, H. F., X. R. Cao, H. T. Fang, and J. Zhu, Adaptive equalization for MIMO channels by a nonlinear deconvolution method, IEEE Trans. Signal Processing, Vol.53, No.8, 2635-2647, 2005.

[163] Chen, H. F., Recursive identification for multidimensional ARMA processes with increasing variances,  Science in China, Serie F, Information Science Vol.48, No. 596-614, 2005. pdf

[164] Hu, X. L. and H. F. Chen, Strong consistence of recursive identification for Wiener systems, Automatica, Vol.41, No.11, 1905-1916, 2005. pdf

[165] Chen, H. F, Strong consistency of recursive identification for Hammerstein systems with discontinuous piecewise-linear memoryless block, IEEE Trans. Autom. Control, Vol.50, No10, 1612-1617, 2005. pdf

2006

[166] Chen, H. F, Recursive identification for Wiener model with  discontinuous piece-wise linear function, IEEE Trans. Autom. Control, Vol.51, No3,390-400, 2006. pdf