Associate Prof. Dr. Zhuquan Zang

PhD, MSc, BSc

Associate Professor | Department of Electrical & Computer Engineering

Contact Details Telephone: +60 85 443939 Extn: 2483 Fax: +60 85 443837 Location: SK3-445 Email: zqzang@curtin.edu.my

 

Associate Professor Zhuquan Zang received the BSc degree from Shandong Normal University and MSc degree from Shandong University, Jinan, China. He received the PhD degree in systems engineering from the Australian National University, Canberra, Australia in 1993.

From 1993 to 1994 he worked at the University of Western Australia as a Research Associate in the area of optimization, optimal control and system identification. From 1994 to 2002 he worked at the Australian Telecommunications Research Institute (ATRI), Curtin University of Technology first as a Research Fellow and then as a Senior Research Fellow. From 2002 to 2005, he worked at the Western Australian Telecommunications Research Institute (WATRI) — A joint venture between Curtin University of Technology and the University of western Australia. During this period, he was also affiliated with the Australian Telecommunications Cooperative Research Center (ATcrc). Since the beginning of 2006, he has been with the School of Engineering and Science, Curtin University Sarawak campus, Malaysia.

Academic History

  • PhD in Systems Engineering, The Australian National University, Canberra, Australia. Thesis title: Performance Analysis and Enhancement of Adaptive Control Systems.
  • MSc in Mathematics, Shandong University, Jinan, China. Thesis title: Method of upper and lower solutions for nonlinear differential equations in infinite dimensional spaces.
  • BSc in Mathematics, Shandong Normal University. Jinan, China.

Current Research Areas and Interests

Analog and digital signal processing for bandwidth efficient communication system design which include: constrained analog and digital filter design for wide band sonar and ultra wide band (UWB) wireless communications, analog and digital filter design for beamforming and array pattern synthesis using semi-infinite linear and quadratic programming techniques, waveform set design for UWB wireless communications, PAPR reduction in OFDM signals using pulse shaping and level crossing techniques, non-regenerative MIMO relay design and analysis for wireless communications.

Technical Areas

System modeling, identification, and adaptive and iterative control. Robust LQG and H1 optimal control design. Adaptive filtering. Computationally efficient nonlinear optimization methods. Semi-infinite linear and quadratic programming. Stability theory of dynamical systems. Random processes and communication network queuing theory. Applied functional analysis and partial differential equation theory.

Publications

Selected Journal Papers (with Excellence in Research Australia (ERA) Rank A*, A, or B)

  1. Z. Zang, “A note on the theorem of Lakshmikantham and Leela,” Applied mathematics and Computation, vol. 23, no. 9, pp. 269-275, 1987. (ERA rank: A)
  2. Z. Zang and R.R. Bitmead, “Transient bounds for adaptive control systems,” IEEE Trans. Automat. Control, vol. 39, pp. 171-175, 1994. (ERA rank: A)
  3. K.L. Teo, Z. Zang, and W. Yan, “Stabilizing controller design for linear unknown unstable system: successive learning identification and maximally robust controller design,” Cybernetics and Systems, Vol. 26. pp. 295-314, 1995. (ERA rank: B)
  4. Z.Zang, R.R. Bitmead, and M. Gevers, “Iterative weighted least squares identification and weighted LQG control design,” Automatica, vol. 31, pp. 1577-1594, 1995. (ERA rank: A)
  5. Z.Zang, B. Vo, A. Cantoni and K.L. Teo, “Continuous-time envelope constrained filter design via orthonormal  filters,”  IEE  Proceedings:   Vision,  Image  and  Signal  Processing,  vol.   142, pp. 389-394, 1995. (ERA rank: B)
  6. Z.Zang, A. Cantoni and K.L. Teo, “Applications of H optimization method to envelope- constrained IIR filter design,” Nonlinear Analysis, Theory, Methods &  and  Applications,  vol. 30, pp. 4267-4276, 1997. (ERA rank: A)
  7. Z.Zang and K.L. Teo, “Two stage identification and its application to robust LQG controller design,” Cybernetics and Systems, vol. 29, No. 4, pp. 377-389, 1998. (ERA rank: B)
  8. Z.Zang, A. Cantoni and K.L. Teo, “Continuous-time envelope constrained filter design via Laguerre filters and H optimization methods,” IEEE Trans. Signal  Processing, vol.  46, No. 10, pp. 2601-2610, 1998. (ERA rank: A)
  9. Z.Zang, A. Cantoni and K.L. Teo, “Envelope-constrained IIR filter design via H optimization method,” IEEE Trans. Circuit and Systems,  Part  I,  vol.  46,  no.  6,  pp.  649-653,  1999. (ERA rank: A)
  10. S.Nordebo and Z. Zang, “Semi-Infinite linear programming: a unified approach to digital filter design with time and frequency domain specifications,” IEEE  Trans.   Circuit  and  Systems,  II, vol. 46, no. 6, pp. 765-775, 1999. (ERA rank: B)
  11. S.Nordebo and Z. Zang, “Application of infinite dimensional linear programming to IIR filter design with time domain constraints,” IEEE Trans. Signal Processing, vol. 47, no. 7, pp. 2060-2063, 1999. (ERA rank: A)
  12. Z.Zang, B. Vo, A. Cantoni and K.L. Teo, “Iterative algorithms for envelope constrained recursive filter design via Laguerre functions,” IEEE  Trans.  Circuits  &  Systems.  Part  I, vol. 46,  no. 11, pp. 1342-1348, 1999. (ERA rank: A)
  13. C.H. Tseng, Z. Zang, K.L. Teo, and A. Cantoni, “A dual approach to continuous-time envelope- constrained filter design via orthonormal filters,” IEEE Trans. Circuits  and  Systems,  Part  I, vol. 46, no. 9, pp. 1024-1054, 1999. (ERA rank: A)
  14. S.S. Abeysekera and Z. Zang, “Optimal Laguerre filters for Sigma-Delta demodulator circuits,”Signal Processing, vol. 80, pp. 205-209, 2000. (ERA rank: A)
  15. C.H. Tseng, K.L. Teo, A. Cantoni, and Z. Zang, ”Envelope-constrained filters: adaptive algo- rithms”, IEEE Trans. Signal Processing, vol. 48,  no.  6,  pp.  1597-1608,  2000.  (ERA  rank: A)
  16. C.H. Tseng, Z. Zang, K.L. Teo, and A. Cantoni, “Design of robust envelope-constrained filter with orthonormal bases,” IEEE Trans. Signal Processing, vol. 48, no.  10,  pp.  2881-2891, 2000. (ERA rank: A)
  17. C.H. Tseng, Z. Zang, K.L. Teo, and A. Cantoni, “Gradient flow approach to discrete-time envelope-constrained filter design via orthonormal filters,” IEE Proceedings-Vision, Image and Signal Processing, vol 147, no. 1, pp. 79-88, 2000. (ERA rank: B)
  18. S. Nordebo, Z. Zang, and I. Claesson, “A semi–infinite quadratic programming algorithm with applications to array pattern synthesis,” IEEE Trans. Circuits and Systems –II: Analog and Digital Signal Processing, vol. 48, no. 3, pp.225-232, 2001. (ERA rank: A)
  19. Z. Zang and S. Nordholm, “Design of ODMA Digital Waveforms Using Nonconvex Optimization Methods”, Annals of Operational Research, vol. 133, pp. 319-330, 2005. (ERA rank: B)
  20. T.Wang, W-Y. Yan, and Z. Zang, “Optimal Design of spectrum constrained analog signal sets with correlation analysis,” IEEE Trans. Circuits and Systems I, vol. 53, pp. 1828-1838, Aug. 2006. (ERA rank: A)
  21. M.A. Yusoff, Z. Zang, and S. Abeysekera, “Design of spectrally efficient UWB waveforms using Hermite Rodriguez functions”, IET Commun. 2012. (ERA rank: B)
  22. J.Nandong and Z. Zang, “Novel multi-scale control scheme for non-minimum phase process,”Industrial & Engineering Chemistry Research. vol. 52, pp. 8248-8259, 2013 (ERA rank: A)
  23. J.Nandong and Z. Zang, “High-performance multi-scale control scheme for stable, integrating and unstable time-delay processes ” Journal of Process Control. Vol. 23, pp. 1333-1343, 2013. (ERA rank: A)

Selected Referred International Conference Papers

  1. Z.Zang and R.R. Bitmead, “Transient analysis for adaptive control systems,” Proc. 29th IEEE Conf. on Decision and Control, Hawaii, USA, pp. 2724-2729, 1990.
  2. R. Bitmead and Z. Zang, “An iterative identification and control strategy,” Preprints of 1st European Control Conf., Grenoble, France, pp. 1396-1400, 1991.
  3. Z.Zang, R.R. Bitmead, and M. Gevers, “H2 Iterative model refinement and control robustness enhancement, ” Proc. 30th IEEE  Conf.  on  Decision  and  Control,  Brighton,  U.K.,  pp. 279-284, 1991.
  4. Z.Zang, R.R. Bitmead, and M. Gevers, “Disturbance rejection: on-line refinement of controllers by closed loop modeling, ” Proc. American Control Conf., Chicago, USA, pp.  2829-2833, 1992.
  5. A.G. Partanen, Z. Zang, R.R. Bitmead, and M. Gevers, “Experimental restricted complexity controller design,” 10th IFAC Symposium on System  Identification, Copenhagen, Denmark. Vol. 2, pp. 177-182, 1994.
  6. Z.Zang, K.L. Teo, “Mutually enhanced optimal parameter selection and robust control design,” Proc. 3rd IFIP Conf. on Optimization-based Computer-Aided Modelling and Design, Springer-Verlag, Berlin, 1994.
  7. Z.Zang, K.L. Teo and W. Yan, “Learning stabilization of linear unknown unstable systems,” Proc. 33rd IEEE Conf. on Decision and Control,  Lake Buena Vista, USA, 1994.  pp.  4156- 4157.
  8. Z.Zang, B. Vo, A. Cantoni and K.L. Teo, “Applications of discrete-time Laguerre networks   to envelope constrained filter design,” Proc. of 1996 IEEE ICASSP, vol. 3, pp.  1363-1366, 1996.
  9. Z.Zang, A. Cantoni and K.L. Teo, “Envelope-constrained IIR filter design via Laguerre functions and H optimization methods,” Proc. Int. Conf. Signal Processing (ICSP’96),  vol.  1,  pp. 99-102, 1996.
  10. S.S. Abeysekera and Z. Zang, “Optimal IIR filters for Sigma Delta demodulators,” Proc. Int. Conf. Signal Processing (ICSP’96), vol. 1, pp. 95-98, 1996.
  11. Z.Zang, A. Cantoni, K.L. Teo and B. Vo, “Continuous-time envelope-constrained filter design: constraint robustness maximization,” 4th IMA Conf. Math. Signal Processing, 1996.
  12. Z.Zang and A. Cantoni and K.L. Teo, “Continuous-time envelope-constrained filter design via Laguerre filters and H optimization methods,” Proc. of 1997 IEEE ICASSP,  vol.  1,  pp. 55-58, 1997.
  13. Z.Zang and K.L. Teo and A. Cantoni, “Combined two stage identification and robust LQG controller design based on input-output data” Proc. Second World Congress on Intelligent Control and Intelligent Automation, vol. 2, pp.1442-1447, 1997.
  14. Z.Zang and R.R. Bitmead, “Transient analysis and residence time control of nonlinear stochastic differential systems,” Proc. Second World Congress on Intelligent Control and Intelligent Automation, vol. 3, pp. 1628-1633, 1997.
  15. S.S. Abeysekera and Z. Zang, “Comparison of optimal IIR and FIR filters for Sigma-Delta de- modulator circuits,”  Proc.  1st  Int.  Conf.   info.   communi.   &  Signal  Processing  (ICICS’97), vol. 3, pp. 1298-11302, 1997.
  16. S.Nordebo and Z. Zang, “Application of infinite dimensional linear programming to FIR filter design with time domain constraints,” Proc. Int. Conf. on Acoustics, Speech, and  Signal Processing, vol. 3, 1297-1300, 1998.
  17. Z.Zang and K.L. Teo, “Suboptimal controller design for LQ optimal control problem involving linear state inequality constraints,” Proc. 4th Int.  Conf.  Optimiz.  Techniques  and  Applica- tions, vol. 2, 701-708, 1998.
  18. C.H. Tseng, K.L. Teo, A. Cantoni and Z. Zang, “Iterative methods for optimal envelope- constrained filter design using gradient flow approach,” Proc. 4th Int. Conf. Optimiz. Tech- niques and Applications, vol. 1, 534-541.
  19. S.Nordebo and Z. Zang, “Application of infinite dimensional linear programming to IIR filter design with time domain constraints,” Proc. Int. Conf. Signal Processing, vol.  I, pp.  77-80. 1998.
  20. Z.Zang, “Application of wavelets to envelope-constrained analog filter design for communica- tion channel equalisation,” Proc. Int. Conf. Signal Processing, vol. I, 105-108, 1998.
  21. C.H. Tseng, Z. Zang, K.L. Teo, and A. Cantoni, “Robust envelope-constrained filter design with Laguerre bases,” Int. Conf. on Acoustics, Speech, and Signal Processing, vol. 3, pp. 1153-1156, 1999.
  22. S.S.Abeysekera, X. Yao and Z. Zang, “Comparison of Various Low-Pass Filter Architectures for Sigma-Delta Demodulators,” IEEE Int. Symposium on Cricuits and Systems, vol. II,  pp. 380-383, 1999.
  23. B.Jiao, W. Yan, Z. Zang, and S. Nordholm, “Analysis and synthesis of signal Set with con- strained magnitude spectrum,” IEEE Int. Symposium on Cricuits  and  Systems(ISCAS’2001), vol. II, pp. 833-836, 2001.
  24. Zang, S. Nordholm, and S. Nordebo, “Complex Domain Digital Filter Design with Max-Min Type Amplitude Constraints and Group Delay Specifications,” Proc. IEEE TENCON, pp. 265-269, August, 2001.
  25. “B. Jiao, Zang, and S. Nordholm (2001), State space approach to envelope-constrained filter design,” Proc. IEEE TENCON, pp. 384-387, August, 2001.
  26. Z.Zang, S. Nordholm, and S. Nordebo, and A. Cantoni, “Design of digital filters with amplitude and group delay specifications,” Proc 11th  IEEE  Workshop  on  Statistical  Signal  Processing, pp. 357-3360, 2001.
  27. J.Huo, S. Nordholm, and Z. Zang, “A new subband to fullband transformation for delayless subband adaptive filtering,” IFCC2000, Bankok, Thailand.
  28. J.Huo, S. Nordholm, and Z. Zang, “Using recursive least-squares algorithms for acoustic echo cancellation,” Proc of EURASIP Conf  DSP  for  Multimedia  Comm.  and  Services,  pp.  305- 308, September 2001, Budapest, Hungary.
  29. J.Huo, S. Nordholm, and Z. Zang, “New weight transform schemes for delayless subband adaptive filters” IEEE Globbal Telecomm Conf (Globecom’01), vol. 1, pp. 197-201, 2001.
  30. Z.Zang and S. Nordholm, “Design of ODMA digital waveforms using nonconvex optimization methods,” Proc. ICOTA 2001, vol. 4, pp. 1513-1518, 2001.
  31. S.S. Abeysekera and Z. Zang, “Optimum Laguerre filter architecture for look ahead decision feedback Sigma-Delta demodulators,” Proc. ICOTA 2001, vol. 4, pp. 1472-1479, Dec. 2001.
  32. J.Jiao, S. Nordholm, and Z. Zang, “Analysis and synthesis of three dimensional carrierless AM/PM system,” 6th Int Symp. DSP for Commun. Syst., pp.177-182, Jan. 2002.
  33. Z.Zang and S. Nordholm, “Orthogonal digital waveform set design for multiaccess communi- cations systems,” Proc. ICSP 2002, Beijing China, 2002.
  34. Z.Zang and S. Nordholm, “Design of Digital Waveform Set for CDMA Communications”, Proceedings 4th Australian Communication Theory Workshop, pp.119-123, Melbourne, Aus- tralia, 2003.
  35. J.Adeane, Z. Zang and S. Nordholm, “Design of digital waveform set for multiuser CDMA communications with matched filter receivers,” ICICS03, Singapore, 2003.
  36. J.Huo, S. Nordholm, and Z. Zang, “A method for detecting echo path variation,” IWAENC’03, Japan, 2003.
  37. J.Huo, S. Nordholm, and Z. Zang, “An Echo Path Variation Detector Based On Coherence,”ICICS-PCM 2003, Singapore, 2003.
  1. J.Adeane, Z. Zang, “Near-orthogonal digital waveforms for multiuser CDMA communications with FIR channel and matched filter receivers,” ATcrc Conference, Melbourne, Australia, 2003.
  2. Z.Zang, S. Nordholm, “Quasi-orthogonal digital waveforms for multiuser communications with FIR channel and matched filter receivers,” AusCTW 2004, Newcastle, Australia, 2004.
  3. Z.Zang, S. Nordholm, “Orthogonal digital waveform set for multidimensional signaling and multiuser communications with matched filter receivers” APCC 2004, Beijing, China, Aug. 2004.
  4. T.Wang, W.Y. Yan, and Z. Zang, “Cross-correlation analysis and optimal design of analog signal sets with constrained magnitude spectrum and phase structure,” ICOTA 2004, Ballarat, Australia, Dec. 2004.
  5. T.Wang, W.Y. Yan, and Z. Zang, “Optimal design of spectrum constrained signal sets with correlation analysis,” ICASSP 2005, vol. III, pp. 949-952, Philadelphia, USA, March, 2005.
  6. W.Y. Yan and Z. Zang, “Optimal Design of Analog Signal Sets for Multiuser CDMA Commu- nications,” ICICS 2005, pp.1494-1498, Bangkok, Thailand, Dec. 2005.
  7. S.S. Abeysekera and Z. Zang, “ Wideband sonar waveform design using linear FM signals and Hermite-Rodriguez functions,” OCEANS’06, Asia Pacific IEEE, Singapore, May 2006.
  8. M.A. Yusoff, Z. Zang, and S.S. Abeysekera, “UWB Pulse Shaping Filter Design Using Hermite Rodriquez Functions,” IASTED Communication  Systems  and  Networks  Conf.  (AsiaCSN 2008), Langkawi, Malaysia, April 2008.
  9. M.A. Yusoff and Z. Zang, “Waveform set design using Hermite-Rodrigues functions for CDMA communications, Int. Conf. Signal  Acquisition  and  Processing,  Kuala  Lumpur,  Malaysia, April 2009.
  10. M.A. Yusoff and Z. Zang, and S. Abeysekera, “Spectrally efficient waveform set design for UWB wireless communications, 7th In. Conf. Information, Comm. and Signal Processing, Macau, China, December 2009.
  11. L.Gopal and Z. Zang, “ Kalman filtering for SNR estimation in AWGN and fading channel, IEEE 9th Malaysia Int. Conf.  on  Communications,  Kuala  Lumpur,  Malaysia,  December 2009.
  12. M.A. Yusoff and Z. Zang, “Design of UWB waveforms for narrowband interferences suppression,IEEE Asia Pacific Conf. Circuits and Systems, Kuala Lumpur, Malaysia, December 2010.
  13. L.Gopal, Y. Rong, and Z. Zang, “Joint MMSE transceiver design in non-regenerative relay systems with convariance feedback,” APCC 2011, Kota Kinabalu, Malaysia, October 2011.
  14. R. Reine and Z. Zang, “Analysis and comparison of a set of ISI free waveforms for PAPR reduction in OFDM systems,” TENCON2011, Bali, Indonesia, November 2011.
  15. L.Gopal, Y. Rong, and Z. Zang, “Channel Covariance Information Based Transceiver Design for AF MIMO Relay Systems with Direct Link,” APCC2012, Jeju Island, Korea. October 2012.
  16. M.A. Yusoff and Z. Zang, “Constrained Quadratic Maximization Approach for UWB Pulse Shaping Filter Design with Nonconstant Upper Bounds, CMC2012, Guilin, China, May 2012.
  17. M.A. Yusoff and Z. Zang, “UWB Waveform Set Design using Lowdin’s Orthogonalization with Hermite Rodriguez Functions,” IET ICWCA 2012, Kuala Lumpur, Malaysia, November, 2012.
  18. M.A. Yusoff and Z. Zang, “Quadratic programming approach for UWB pulse shaping filter design with nonconstant upper bounds”, ICACT2013, Pyeongchang, Korea, January 2013.
  19. L.Gopal, Y. Rong, and Z. Zang, “MMSE transceiver design in non-regenerative relay sys- tems with direct link and convariance feedback,” 2013 IEEE 77th Vehicular Technology Conf., Dresden, Germany, June 2013.
  20. J.Nandong and Z. Zang, “Multi-scale control – improved technique to overcome time-delay limitations,” ICIEA 2013, Melbourne, Australia, June 2013.
  21. B.Ugon, J. Nandong and Z. Zang, “Multi-Scale Control of Integrating Time-Delay Processes,” 6th. International Conference on Process Systems Engineering (PSE Asia 2013), Kuala Lumpur, Malaysia, June 2013.
  22. Z. A. Sim, R. Reine, Z. Zang. L. Gopal, “ PAPR and BER reduction in MU-MIMO-OFDM Systems via a Set of Waveforms”,  11th IEEE Conference on Industrial Electronics and Applications (ICIEA), Kuching, Malaysia, Aug. 2017.

Research Resource Funding

  • 2017 – FRGS (2017) (Co-investigator) 
  • Project Title: Mathematical Modeling of optimal 5G NonOrthogonal Waveforms for GFDM system . Allocated fund: RM52100. Ongoing project.
  • 2016- FRGS (2016) (Co-investigator):
  • Project Title: Mathematical Modelling of Robust MIMO Relay System for Power Line Communication. Allocated Fund: RM 82,000. Ongoing project.
  • 2012 CSCR Fund (Chief investigator). Curtin University Sarawak Campus. Miri, Malaysia.
  • 2012 CSCR Fund (Co-investigator). Curtin University Sarawak Campus. Miri, Malaysia.
  • 2011 CSCR Fund (Co-investigator). Curtin University Sarawak Campus. Miri, Malaysia.
  • 2010 CSRF Grant (Co-investigator), Curtin University Sarawak Campus. Miri, Malaysia.
  • 2010 CSRF Grant (Co-investigator). Curtin University Sarawak Campus. Miri, Malaysia.
  • 2009 CSCR Fund (Co-investigator). Curtin University Sarawak Campus. Miri, Malaysia.
  • 2005 Curtin University Developmental Research Grant (Chief Investigator). Curtin University, Perth,
    Australia.
  • 2004 Curtin University Developmental Research Grant (Chief Investigator). Curtin University, Perth,
    Australia.

Professional Associations

  • Member of the Institute of Electrical and Electronics Engineers (USA)

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