Zhang Liu
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Navigation and Control Engineer |
Contact Information
Northrop Grumman Corporation
M/S: R3-2 B04
16710 Via Del Campo Court
San Diego, CA 92127
Phone: (858) 618-3729
Email: zhang.liu@gmail.com
Homepage: http://www.zhang-liu.com/
Education
Ph.D., Electrical Engineering, University of California, Los Angeles, 2009
M.S., Electrical Engineering, University of California, Los Angeles, 2005
B.S., Electrical Engineering, University of California, Los Angeles, 2004
Publications
- Nuclear norm system identification with missing inputs and outputs
Z. Liu, A. Hansson, and L. Vandenberghe
To appear in Systems and Control Letters, 2013
- Subspace system identification via weighted nuclear norm optimization
A. Hansson, Z. Liu, and L. Vandenberghe
Proceedings of the IEEE 51st Annual Conference on Decision and Control, pages 3439-3444, 2012
- Interior-point methods for large-scale cone programming
M. Andersen, J. Dahl, Z. Liu, and L. Vandenberghe
S. Sra, S. Nowozin, and S. J. Wright, editors, Optimization for Machine Learning, pages 55-83, MIT Press, 2011
- Notes on dual gradient projection method for nuclear norm approximation and system identification
Z. Liu and L. Vandenberghe
Technical report, UCLA, 2010
- Semidefinite programming methods for system realization and identification
Z. Liu and L. Vandenberghe
Proceedings of the Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference, pages 4676-4681, 2009
- Interior-point method for nuclear norm approximation with application to system identification
Z. Liu and L. Vandenberghe
SIAM Journal on Matrix Analysis and Applications, 31(3):1235-1256, 2009
- Low-rank structure in semidefinite programs derived from the KYP lemma
Z. Liu and L. Vandenberghe
Proceedings of the 46th IEEE Conference on Decision and Control, pages 5652-5659, 2007
Ph.D. Thesis
- Structured semidefinite programs in system identification and control
Electrical Engineering Department, UCLA, 2009
Advisor: Lieven Vandenberghe
U.S. Patent
- Tracking arrangement for a communications system on a mobile platform
Z. Liu and G. A. Shreve, Patent No. 7,956,806, Northrop Grumman Corp., 2011
Software
SIMIO: Matlab package for system identification with missing inputs and outputs
NucNrmApp: Python package for nuclear norm approximation
gKYPSDP: Matlab package for generalized KYP-SDPs