2025

• L. Zhao, L. Cai, and W.-S. Lu, "Accelerating federated learning for edge intelligence using conjugate central acceleration with inexact global line search," IEEE Trans. Cognitive Communications and Networking, vol. 11, no. 2, pp. 1244-1257, Apr. 2025. pdf

• L. Zhao, W.-S. Lu, and L. Cai, "Adaptive central acceleration with variance control for robust federated optimization in ubiquitous intelligence," accepted for publication in IEEE Internet of Things Journal, Feb. 25, 2025. pdf

• L. Zhao, L. Cai, and W.-S. Lu, "Federated learning for data trading portfolio allocation with antonomous economic agents," IEEE Trans. Neural Networks and Learning Systems, vol. 36, no. 1, pp. 1467-1481, Jan. 2025. pdf

• L. Zhao, L. Cai, and W.-S. Lu, "Federated learning with efficient local adaptation for realized volatility prediction," accepted for publication in Trans. Machine Learning Research, Jan. 11, 2025. pdf

2024

• L. Zhao, L. Cai, and W.-S. Lu, "Tailored federated learning with adaptive central acceleration on diversed global models," accepted for publication in IEEE Trans. Neural Networks and Learning Systems, Oct. 26, 2024. pdf

• L. Zhao, L. Cai, and W.-S. Lu, "Collaborative learning of different types of healthcare data from heterogeneous IoT devices," IEEE Internet of Things Journal, vol. 11, no. 4, pp. 5757-5769, Feb. 2024. pdf

2023

• L. Zhao, L. Cai, and W.-S. Lu, "Transform domain federated learning for edge enabled IoT intelligence," IEEE Internet of Things Journal, vol. 10, no. 7, pp. 6205-6220, April 2023. pdf

2020

• T. Hinamoto, A. Doi, and W.-S. Lu, "Analysis and minimization of roundoff noise for generalized direct-form II realization of 2-D separable-denominator filters," IEICE Trans. Fundamentals of Electronics, Communications, and Computer Sciences, vol. E103-A, no. 7, pp. 873-884, July. 2020. pdf

2018

• T. Hinamoto, A. Doi, and W.-S. Lu, "Analysis and minimization of l2 sensitivity for block-state realization of IIR digital filters," IEICE Trans. Fundamentals of Electronics, Communications, and Computer Sciences, vol. E101-A, no. 2, pp. 447-459, Feb. 2018. pdf

• W.-S. Lu and T. Hinamoto, "Design of least-squares and minimax composite filters," IEEE Trans. Circuits and Systems I, vol. 65, no. 3, pp. 982-991, Mar. 2018. pdf

2017

• S. He, X. Dong, and W.-S. Lu, "Localization algorithms for asynchronous time difference of arrival positioning systems," EURASIP J. Wiress Communications and Networking, 2017:64, 14 pages, 2017 (DOI: 10.1186/s13638-017-0851-1). pdf

• W. Ni, X. Dong, and W.-S. Lu, "Near-optimal hybrid processing for massive MIMO systems via matrix decomposition," IEEE Trans. Signal Processing, vol. 65, no. 15, pp. 3922-3933, Aug. 2017. pdf

2016

• H. Liu, J. Gu, M. Q.-H. Meng, and W.-S. Lu, "Fast weighted total variation regularization algorithm for blur identification and image restoration," IEEE Access, vol. 4, pp. 6792-6801, 2016. pdf

• S. Herchak, W. Yu, W.-S. Lu, and T. Lu, "Whispering gallery micro cavity with in-line interferometer," Biosensors Journal, vol. 4, no. 2, pp.1-5, 2016. pdf

• T. Hinamoto, A. Doi, and W.-S. Lu, "Minimization of weighted pole and zero sensitivity for state-space digital filters," IEEE Trans. Circuits and Systems I, vol. 63, no. 1, pp. 103-113, Jan. 2016. pdf

• W.-S. Lu and T. Hinamoto, "A unified approach to the design of interpolated and frequency-response-masking FIR filters," IEEE Trans. Circuits and Systems I, vol. 63, no. 12, pp. 103-113, Dec. 2016. pdf

2014

• J. Pant, W.-S. Lu and A. Antoniou, "New improved algorithm for compressive sensing based on lp norm," IEEE Trans. Circuits and Systems II, vol. 61, no. 3, pp. 198-202, March, 2014. pdf

• A. Doi, T. Hinamoto, and W.-S. Lu, "Roundoff noise minimization for a class of 2-D state-space digital filters using joint optimization of high-order error feedback and realization," IEICE Trans. Fundamentals, vol. E97-A, no. 9, pp. 1918-1925, Sept. 2014. pdf

• T. Hinamoto, A. Doi, and W.-S. Lu, "Roundoff noise minimization in state-space discrete-time systems using joint optimization of high-order error feedback and realization," IEEE Trans. Circuits and Systems I, vol. 61, no. 12, pp. 3460-3468, Dec. 2014. pdf

2013

• T. Hinamoto, A. Doi, and W.-S. Lu, "Jointly optimal high-order error feedback and realization for roundoff noise minimization in 1-D and 2-D state-space digital filters," IEEE Trans. Signal Processing, vol. 61, no. 12, pp. 5893-5904, Dec. 2013. pdf

• J. Yan and W.-S. Lu, "Image denoising by generalized total variation minimization," Multidimensional Systems and Signal Processing, electronically published Oct. 7, 2013, DOI: 10.1007/S11045-013-0255-2. pdf

2012

• P. Ramachandran, W.-S. Lu, and A. Antoniou, "Filter-based methodology for the location of hot spots in proteins and exons in DNA," IEEE Trans. Biomedical Eng., vol. 59, no. 6, pp. 1598-1609, June 2012. pdf

• T. Hinamoto, A. Doi, and W.-S. Lu, "Realization of 3-D separable-denominator digital filters with low l2-sensitivity," IEEE Trans. Signal Processing, vol. 60, no. 12, pp. 6282-6293, 2012. pdf

• H.-Y. Liu, W.-S. Lu, C.-J. Zhang, and Q.-H. Meng, "Research and application for fast restoration of color images algorithm based on total variation framework," J. Beijing University of Post and Telecommunications, vol. 35, no. 6, pp. 1-5, Dec. 2012. pdf

2011

• W.-S. Lu and T. Hinamoto, "Two-dimensional digital filters with sparse coefficients," Miltimimensional Systems and Signal Processing, vol. 22, no. 1-3, pp. 173-189, 2011. pdf

• W. Xu, X. Dong, and W.-S. Lu, "Joint precoding optimization for multiuser multiantenna relaying downlinks using quadratic programming," IEEE Trans. Communications, vol. 59, no. 5, pp. 1228-1235, 2011. pdf

2010

• W. Xu, X. Dong, and W.-S. Lu, "MIMO relaying broadcast channels with linear precoding and quantized channel state information feedback," IEEE Trans. Signal Processing, vol. 58, no. 10, pp. 5233-5245, May 2010. pdf

• A.-M. Sevcenco and W.-S. Lu, "Perfect histogram matching PCA for face recognition," Miltimimensional Systems and Signal Processing, vol. 21, no. 3, pp. 213-239, 2010. pdf

• S. Shen, Y. Liu, and W.-S. Lu, "Monocular 3D tracking of deformable surfaces using sequential second order cone programming," Pattern Recognition, vol. 43, no. 1, pp. 244-254, 2010. pdf

2009

• J. Yan and W.-S. Lu, "Towards global design of orthogonal filter banks and wavelets," Canadian J. Electrical and Computer Engineering, vol. 34, no. 4, pp. 15-21, 2009. pdf

• T.C.-K. Liu, X. Dong, and W.-S. Lu, "Multiresolution wavelet denoising for ultra-wideband time-of-arrival estimation with regularized least squares," Physical Communication, 12 pages, doi: 10.1016/j.phycom.2009.09.004, Sept. 23, 2009. pdf

2008

• T. Hinamoto, T. Oumi, O.I. Omoifo, and W.-S. Lu, "Minimization of frequency-weighted l2-sensitivity subject to l2-scaling constraints for two-dimensional state-space digital filters," IEEE Trans. Signal Processing, vol. 56, no. 10, pp. 5157-5168, Oct. 2008. pdf

2007

• Y.H. Zhang, W.-S. Lu and T.A. Gulliver, "Integer QP relaxation based algorithms for intercarrier-interference reduction in OFDM systems," Canadian J. Electrical and Computer Engineering, vol. 32, no. 4, pp. 199-205, Fall 2007. pdf

• H.-C. Yang, K. Wu, and W.-S. Lu, "Cross-layer path configuration for energy-efficient communication over wireless ad hoc networks," J. Advances in Multimedia, vol. 2007, 9 pages, doi: 10.1155/2007/19860, 2007. pdf

• T. Hinamoto, T. Oumi, and W.-S. Lu, "Separate/joint optimization of error feedback and realization for roundoff noise minimization in a class of 2-D state-space digital filters," Miltimimensional Systems and Signal Processing, vol. 18, pp. 327-339, 2007. pdf

• Y. Chen, M. D. Adams, and W.-S. Lu, "Design of optimal quincunx filter banks for image coding," EURASIP J. on Advances in Signal Processing, vol. 2007, doi: 10.1155/2007/83858, 2007. pdf

• Y. J. Kou, W.-S. Lu, and A. Antoniou, "Peak-to-average power-ratio reduction algorithms for OFDM systems via constellation extension," IEEE Trans. on Wireless Communications, vol. 6, no. 5, pp. 1823-1832, May 2007. pdf

• X. Dong, W.-S. Lu, and A. C. K. Soong, "Interpolation in pilot symbol assisted channel estimation," IEEE Trans. Wireless Communications, vol. 6, no. 5, pp. 1910-1920, May 2007. pdf

2006

• T. Hinamoto, K.-I. Iwata, and W.-S. Lu, "L2-sensitivity minimization of one- and two-dimensional state-space digital filters subject to L2-scaling constraints," IEEE Trans. Signal Processing, vol. 54, pp. 1804-1812, May 2006. pdf

• T. Hinamoto, K.-I. Iwata, O. I. Omoifo, and W.-S. Lu, "Optimal synthesis of a class of 2-D digital filters with minimum L2-scaling constraints," IEICE Trans. Fundamentals, vol. E89-A, no. 7, pp. 1987-1994, July 2006. pdf

• T. Hinamoto, H. Ohnishi, and W.-S. Lu, "Roundoff noise minimization for 2-D state-space digital filters using joint optimization of error feedback and realization," IEEE Trans. Signal Processing, vol. 54, no. 11, pp. 4302-4310, Nov. 2006. pdf

2005

• W.-S. Lu and T. Hinamoto, "Jointly optimized error-feedback and realization for roundoff noise minimization in state-space digital filters," IEEE Trans. Signal Processing, vol. 53, pp. 2135-2145, June 2005. pdf

• X. M. Wang, W.-S. Lu and A. Antoniou, "Multiuser detectors for synchronous DS-CDMA systems based on a recursive p-norm convex relaxation approach," IEEE Trans. Circuits and Syst., I, vol. 52, pp. 1021-1031, May 2005. pdf

• T. Hinamoto, H. Ohnishi, and W.-S. Lu, "Minimization of L2 sensitivity for state-space digital filters subject to L2-dynamic-range scaling constraints," IEEE Trans. Circuits and Syst., II, pp. 641-645, Oct. 2005. pdf

2004

• W.-S. Lu, T. Saramaki, and R. Bregovic, "Design of practically perfect-reconstruction cosine-modulated filter banks: A second-order cone programming approach," IEEE Trans. Circuits and Syst., I, vol. 51, pp. 552-563, March 2004. pdf

• Y.J. Kou, W.-S. Lu, and A. Antoniou, "New peak-to-average power-ratio reduction algorithms for multicarrier communications," IEEE Trans. Circuits and Syst., I, vol. 51, pp. 1790-1800, Sept. 2004. pdf

2003

• T. Hinamoto, H. Ohnishi, and W.-S. Lu, "Roundoff noise minimization of state-space digital filters using separate and joint error feedback/coordinate transformation optimization," IEEE Trans. Circuits Syst., I, vol. 50, pp. 23-33, Jan. 2003. pdf

• W.-S. Lu and T. Hinamoto, "Optimal Design of Frequency-Response-Masking Filters Using Semidefinite Programming," IEEE Trans. Circuits Syst., I, vol. 50, pp. 557-568, April 2003. pdf

• W.-S. Lu and T. Hinamoto, "Optimal Design of IIR Digital Filters with Robust Stability Using Conic-Quadratic-Programming Updates", IEEE Trans. Signal Processing, vol. 51, pp. 1581-1592, June 2003. pdf

• T. Hinamoto, K. Higashi, and W.-S. Lu, "Separate/joint optimization of error feedback and coordinate transformation for roundoff noise minimization in the 2-D state-space digital filters," IEEE Trans. Signal Processing, vol. 51, pp.2436-2445, Sept. 2003. pdf

• X. M. Wang, W.-S. Lu, and A. Antoniou, "A near-optimal multiuser detector for DS-CDMA systems using semidefinite programming relaxation," IEEE Trans. Signal Processing, vol. 51, pp.2446-2450, Sept. 2003. pdf

• W.-S. Lu and T. Hinamoto, "Optimal design of IIR frequency-response-masking filters using second-order cone programming," IEEE Trans. Circuits Syst., I, vol. 50, pp. 1401-1412, Nov. 2003. pdf

2002

• W.-S. Lu, "A unified approach for the design of 2-D digital filters via semidefinite programming," IEEE Trans. Circuits Sys., I, vol. 49, pp. 814-826, June 2002. pdf

• T. Hinamoto, S. Yokoyama, T. Inoue, W. Zeng and W.-S. Lu, "Analysis and minimization of L2-sensitivity for linear systems and two-dimensional state-space digital filters using general controllability and observability Gramians," IEEE Trans. Circuits Syst., I, vol. 49, pp. 1279-1289, Sept. 2002. pdf

2001

• W.-S. Lu and A. Antoniou, "Design of signal-adapted biorthogonal filter banks," IEEE Trans. CAS, I, vol. 48, pp. 90-102, Jan. 2001. pdf

• X.F. Wang, W.-S. Lu, and A. Antoniou, "An overlapping window decorrelating multiuser detector for DS-CDMA radio channels," IEEE Trans. Communications, vol. 49, pp. 1488-1495, Aug. 2001. pdf

2000

• T.-B. Deng and W.-S. Lu, "Weighted least-squares method for designing variable fractional delay 2-D digital filters," IEEE Trans. CAS, II, vol. 47, pp. 114-124, Feb. 2000. pdf

• X.F. Wang, W.-S. Lu, and A. Antoniou, "Constrained minimum-BER multiuser detection," IEEE Trans. Signal Processing, vol. 48, pp. 2903-2909, Oct. 2000. pdf

1999

• T. Hinamoto, Y. Zempo, Y. Nishino, and W.-S. Lu, "An analytical approach for the synthesis of 2-D state-space filter structures with minimum weighted sensitivity," IEEE Trans. CAS, I, vol. 46, pp. 1172-1183, Oct. 1999. pdf

• A. Antoniou, W,-S. Lu, and W. Cheng, "Improved parametric model for bathymetry waveforms," Canadian J. Elec. Comp. Eng., vol. 24, pp. 127-134, July 1999.

• W.-S. Lu and T.-B. Deng, "An improved weighted least-squares design for variable fractional delay FIR filters," IEEE Trans. CAS, II, vol. 46, pp. 1035-1040, Aug. 1999. pdf

• W.-S. Lu, "Design of stable IIR digital filters with equiripple passbands and peak-constrained least-squares stopbands," IEEE Trans. CAS, II, vol. 46, pp. 1421-1426, Nov. 1999. pdf

1998

• W.-S. Lu and S.-C. Pei, "On optimal low-rank approximation of multidimensional discrete signals," IEEE Trans. Circuits Syst., II, vol. 45, pp. 417-422, March 1998. pdf

• S.-C. Pei, W.-S. Lu, and C.-C. Tseng, "Two-dimensional FIR notch filter design using singular value decomposition," IEEE Trans. Circuits Syst., I, vol. 45, pp. 290-294, March 1998. pdf

• W.-S. Lu, S.-C. Pei, and C.-C. Tseng, "A weighted least squares method for the design of stable 1-D and 2-D IIR filters," IEEE Trans. Signal Processing, vol. 46, pp. 1-10, Jan. 1998. pdf

• H. Xu, W.-S. Lu, and A. Antoniou, "An improved method for the design of quadrature mirror-image filter banks," IEEE Trans. Signal Processing, vol. 46, 1275-1281, May 1998. pdf

• W.-S. Lu, A. Antoniou, and H. Xu, "A direct method for the design of 2-D nonseparable diamond-shaped filter banks", IEEE Trans. Circuits Syst., II, vol. 45, pp. 1146-1150, Aug. 1998. pdf

• W.-S. Lu, H. Xu, and A. Antoniou, "A new method for the design of generalized FIR quadrature mirror-image filter banks," IEEE Trans. Circuits Syst., II, vol. 45, pp. 922-926, July 1998. pdf

• A. Annamalai, V.K. Bhargava, and W.-S. Lu, "An adaptive go-back-N ARQ protocal for variable-error rate channels," IEEE Trans. Communications, vol. 46, pp. 1405-1408, Nov. 1998. pdf

• W.-S. Lu, "Design of recursive digital filters with prescribed stability margin: A parameterization approach," IEEE Trans. CAS, II, vol. 45, pp. 1289-1298, Sept. 1998. pdf

1997

• S.-C. Pei, W.-S. Lu, and C.-C. Tseng, "Analytical two-dimensional notch filter design using outer product expansion," IEEE Trans. Circuits Syst, Part II, vol. 44, pp. 765-768, Sept. 1997. pdf

• H. Luo, W.-S. Lu, and A. Antoniou, "New algorithms for the derivation of transfer function matrices of 2-D state-space discrete systems," IEEE Trans. Circuits Syst. I, vol. 44, pp. 112-119, Feb. 1997. pdf

• W.-S. Lu, "Order reduction of 2-D FIR filters with applications," IEEE Trans. Circuits Syst., II, vol. 44, pp. 1055-1058, Dec. 1997. pdf

• W.-S. Lu, S.-C. Pei, and P.-H. Wang, "Weighted low-rank approximation of general complex matrices and its application in the design of 2-D digital filters," IEEE Trans. Circuits Syst., I, vol. 44, pp. 650-655, July 1997. pdf

• G. Robertson, R.L. Kirlin, and W.-S. Lu, "A pseudo-inverse update algorithm for rank-reduced covariance matrices from 2-D data," Signal Processing Letters, vol. 4, pp. 230-231, Aug. 1997. pdf

1996

• H. Xu, W.-S. Lu, and A. Antoniou, "Improved iterative methods for the design of quadrature-mirror filter banks," IEEE Trans. Circuits Syst. Part II, vol. 35, pp. 363 - 371, May 1996. pdf

• H. Xu, W.-S. Lu, and A. Antoniou, "Efficient design of cosine-modulated QMF banks by an iterative method," IEEE Trans. Signal Processing, vol.44, pp. 1657 - 1668, July 1996.. pdf

1995

• W.-S. Lu, "On robust stability of 2-D discrete systems," IEEE Trans. Automat. Contr., vol. 40, pp. 502-506, March 1995. pdf

• M. Erlic and W.-S. Lu, "A reduced-order adaptive velocity observer for manipulator control," IEEE Trans. Robotics and Automation, vol. 11, pp. 293-303, April 1995. pdf

• H. Luo, W.-S. Lu and A. Antoniou, "A weighted balanced approximation for 2-D discrete systems and its application to model reduction," IEEE Trans. on Circuits and Systems Part I,, vol.42, pp. 419-429, August 1995.. pdf

• W.-S. Lu, "Structure simplification of nonrecursive 2-D digital filters: A new L-infinity error bound," IEEE Trans. Circuits Syst., Part I, vol. 42, pp. 538 - 541, Sept. 1995. pdf

1994

• W.-S. Lu, "Some new results on stability robustness of 2-D discrete systems," Multidimensional Systems and Signal Processing, vol. 5, no. 4, pp. 345 - 361, 1994.

• W.-S. Lu, "On a Lyapunov approach to stability analysis of 2-D digital filters," IEEE Trans. Circuits Syst., Part I, vol. 41, pp. 665-669, Oct. 1994. pdf

1993

• W.-S. Lu and Q.-H. Meng, "Regressor formulation of robot dynamics: Computation and applications," IEEE Trans. Robotics and Automation, vol. 9, no. 3, pp. 323-333, June 1993. pdf

• R. L.Kirlin, W.-S. Lu, B. Hedstrom and C.-M. Leung, "Towfish orientation and position estimation," IEEE J. Oceanic Engineering, vol. 18, pp. 319-326, July 1993. pdf

1992

• W.-S. Lu and Q.-H. Meng, "On optimal force distribution of coordinating manipulators," Int. J. Robotics and Automation, vol. 7, no. 2, pp. 70-79, June 1992.

• W.-S. Lu, H.-P. Wang, and A. Antoniou, "An efficient method for the evaluation of the controllability and observability gramians of 2-D digital filters and systems," IEEE Trans. Circuits Syst., part II, vol. 39, pp. 695-704, Oct. 1992. pdf

1991

• S. Ramamani, W.-S. Lu, and B. Tabarrok, "Optimization of a discretized brachistochrone problem," Int. J. Mechnical Eng. Edu., vol. 19, no. 2, pp. 79-87, May, 1991.

• W.-S. Lu and Q.-H. Meng, "Impedance control with adaptation for robotic manipulators," IEEE Trans. Robotics and Automation, vol. 7, pp. 408-415, June 1991. pdf

• S. Sunder, W.-S. Lu, A. Antoniou, and Y. Su, "Design of digital differentiators satisfying pre-scribed specifications using optimization techniques," IEE Proc., Pt.-G, vol. 138, pp. 315-320, June 1991. pdf

• W.-S. Lu, H.-P. Wang, and A. Antoniou, "Design of two-dimensional digital filters using singular-value decomposition and balanced approximation method," IEEE Trans. Signal Processing, vol. 39, pp. 2253-2262, Oct. 1991. pdf

• W.-S. Lu and Q.-H. Meng, "Reply to 'Comments on Impedance control with adaptation for robotic manipulators'," IEEE Trans. Robotics and Automation, vol. 7, p. 881, Dec, 1991. pdf

1990

• W.-S. Lu, H.-P. Wang, and A. Antoniou, "Design of two-dimensional digital filters by using the singular-value decomposition," IEEE Trans. Circuits Syst., vol. 37, pp. 35-46, Jan. 1990. pdf

• A. Antoniou and W.-S. Lu, "Design of 2-D digital filters with rectangular passbands and stop-bands," IEEE Trans. Circuits Syst., vol. 37, pp. 138-140, Jan. 1990. pdf

• A. Antoniou and W.-S. Lu, "Design of 2-D nonrecursive filters using window method," IEE Proc., vol. 137, pp. 247-250, Aug. 1990. pdf

• W.-S. Lu and A. Antoniou, "On the synthesis of 2-D state-space digital filters with minimum roundoff noise," IEEE Trans. Circuits Syst., vol. 37, pp. 1424-1425, Nov. 1990. pdf

1989

• W.-S. Lu, "Stability robustness of 2-D discrete systems and its computation," IEEE Trans. Circuits Syst., vol. 36, pp. 285-288, Feb. 1989. pdf

1988

• W.-S. Lu and E. B.. Lee, "An efficient implementation scheme for quadrantally symmetric 2-D digital filters," IEEE Trans. Circuits Syst., vol. 35, pp. 239-241, Feb. 1988. pdf

• W.-S. Lu and A. Antoniou, "Authors' reply on the 2-D unit noise matrix," IEEE Trans. Circuits Syst., vol. 35, pp. 611-612, May 1988. pdf

• W.-S. Lu, "2-D stability test via 1-D stability robustness analysis," Int. J. Control, vol. 48, no. 4, pp. 1735-1741, Oct. 1988. pdf

1987

• A. Antoniou and W.-S. Lu, "Design of two-dimensional digital filters by using the singular value decomposition," IEEE Trans. Circuits Syst., vol. 34, pp. 1191-1198, Oct. 1987. pdf

• W.-S. Lu, E. B. Lee and Q.-T. Zhang, "Balanced approximation of two-dimensional and delay-differential systems," Int. J. Control, vol. 46, no. 6, pp. 2199-2218, Dec. 1987. pdf

1986

• W.-S. Lu, E. B. Lee and S. H. Zak, "On the stabilization of linear neutral delay-differential systems," IEEE Trans. Automatic Control, vol. 31, pp. 65-67, Jan. 1986. pdf

• D. L. Boley and W.-S. Lu, "Measuring how far a controllable system is from an uncontrollable one," IEEE Trans. Automatic Control, vol. 31, pp. 249-251, Mar. 1986. pdf

• E. B. Lee, W.-S. Lu and N.E. Wu, "A Lyapunov theory for linear delay-differential systems," IEEE Trans. Automatic Control, vol. 31, pp. 259-261, Mar. 1986. pdf

• W.-S. Lu, A. Antoniou, and P. Agathoklis, "Stability of 2-D digital filters under parameter variations," IEEE Trans. Circuits Syst., vol. 33, pp. 476-482, May 1986. pdf

• W.-S. Lu and A. Antoniou, "2-D state-space digital filters with fewer multipliers," IEEE Trans. Circuits Syst., vol. 33, pp. 882-891, Sept. 1986. pdf

• W.-S. Lu and A. Antoniou, "Synthesis of 2-D state-space digital-filter structures with minimum round-off noise," IEEE Trans. Circuits Syst., vol. 33, pp. 965-973, Oct. 1986. pdf

• S. H. Zak, E. B. Lee and W.-S. Lu, "Realizations of 2-D filters and time delay systems," IEEE Trans. Circuits Syst., vol. 33, pp. 1241-1244, Dec. 1986. pdf

1985

• W.-S. Lu and E. B. Lee, "Stability analysis of 2-D systems via a Lyapunov approach," IEEE Trans. Circuits Syst., vol. 32, pp. 61-68, Jan. 1985. pdf

• E. B. Lee and W.-S. Lu, "Stabilization of 2-D systems," IEEE Trans. Automatic Control, vol. 30, pp. 409-411, Apr. 1985. pdf

• W.-S. Lu and E. B. Lee, "Model reduction via quasi-Kalman decomposition," IEEE Trans. Automatic Control, vol. 30, pp. 786-790, Aug. 1985. pdf

• W.-S. Lu and A. Antoniou, "A note on the roundoff noise in 2-D state-space digital filters," IEEE Trans. Circuits Syst., vol. CAS-32, pp. 1080-1081, Oct. 1985. pdf

1984

• W.-S. Lu and K. S. P. Kumar, "On staircase model for unknown multivariable systems and design of regulators," Automatica, vol. 29, pp. 109-112, Jan. 1984. pdf

• W.-S. Lu and K. S. P. Kumar, "Linear compensator design for BIBO stability of nonlinear systems," IEEE Trans. Automatic Control, vol. 29, pp. 452-455, May 1984. pdf

• E. B. Lee and W.-S. Lu, "Reduction of redundant data in the quadratic cost formulation for time-variant systems," IEEE Trans. Automatic Control, vol. 29, pp. 735-739, Aug. 1984 pdf

• E. B. Lee and W.-S. Lu, "Coefficient assignability for linear systems with delays," IEEE Trans. Automatic Contol, vol. 29, pp. 1048-1052, Nov. 1984. pdf

1983

• W.-S. Lu and E. B. Lee, "Stability analysis for 2-D systems," IEEE Trans. Circuits Syst., vol. 30, pp. 455-461, July 1983. pdf

1982

• W.-S. Lu and Y.-Z. Hu, "A review of closed-loop identifiability and identifiable accuracy," Information and Control, no. 5, pp. 32-38, 1982 (in Chinese). pdf

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