LABORATORY FOR AUTOMATION AND CONTROL
UNIVERSITY OF FLORIDA
JACOB HAMMER, DIRECTOR
HAMMER@MST.UFL.EDU

WELCOME!

The Laboratory engages in theoretical
and applied research
in areas related to automation,
control, and mathematical system theory.

Selected publications of Jacob Hammer in pdf format
can be downloaded at this link.

Jacob Hammer, Professor

Department of Electrical and Computer Engineering
University of Florida
Gainesville, FL 32611-6130
USA

Email: hammer@mst.ufl.edu

PIC 

This web page provides information for prospective Visiting Faculty, Postdoctoral Fellows, and Graduate Research Students.

AREAS OF INTEREST:

Nonlinear Control Theory;
Linear Control Theory;
Optimal Control Theory;
Control Theory of Asynchronous Sequential Machines
Control Theory of Discrete Systems and Automata;
Filtering theory;
Estimation Theory;
Digital Signal Processing.

Specific topics include

Preparation and Background for Visitors and Research Students:

Interested visitors and students are welcome! To enhance the prospects of collaboration, visitors and students should have an interest in mathematical control theory. Specific background be acquired during your visit or during your studies here. A basic introduction to mathematical background can be found in the following textbooks (which are widely and cheaply available); however, it is not necessary to master this material before arriving here.

Dear Prospective Visiting Professors, Postdoctoral Fellows, and Graduate Students,

I am always looking for research collaborators who are interested in the mathematical aspects of system theory, control theory, filtering theory, and estimation theory, as well as in mathematics and control of biological systems. If you have such interests, please do not hesitate to contact me by email at hammer@mst.ufl.edu.

ABRIDGED RESUME of Jacob Hammer

EDUCATION

B.Sc. - Electrical Engineering (Summa Cum Laude), Technion - Israel Institute of Technology, Haifa, Israel.

M.Sc. - Electrical Engineering (with Distinction), Technion - Israel Institute of Technology, Haifa, Israel.

D.Sc. - Electrical Engineering, Technion - Israel Institute of Technology, Haifa, Israel.

MEMBERSHIP IN PROFESSIONAL ORGANIZATIONS

Life Fellow, Institute of Electrical and Electronics Engineers (IEEE).

A FEW REPRESENTATIVE PUBLICATIONS

Selected publications of Jacob Hammer in pdf format
can be downloaded at this link.

J. Hammer

[1982] "On some properties of conditional moments in nonlinear filtering", SIAM J. Control, Vol. 20, pp. 497-505.

J. Hammer

[1983] "Feedback representation of precompensators", Int. J. Control, Vol. 37, pp. 37-61.

J. Hammer

[1983] "Pole assignment and minimal feedback design", Int. J. Control, Vol. 37, pp. 63-88.

J. Hammer

[1983] "Linear dynamic output feedback: invariants and stability", IEEE Trans. on Automatic Control, Vol. AC-28, pp. 489-496.

J. Hammer

[1984] "Nonlinear systems: stability and rationality", Int. J. Control, Vol. 40, pp. 1-35.

J. Hammer

[1985] "Nonlinear systems, stabilization, and coprimeness", Int. J. Control, Vol. 42, pp. 1-20.

J. Hammer

[1986] "Fraction representations of nonlinear systems: a simplified approach", Int. J. Control, Vol. 46 No. 2, pp. 455-472.

J. Hammer

[1988] "Assignment of dynamics for nonlinear recursive feedback systems", Int. J. Control, Vol. 48 No. 3, pp. 1183-1212.

J. Hammer

[1991] "State feedback, confinement, and stabilization for nonlinear continuous time systems", International J. Control, Vol. 53, pp. 799-821.

J. Hammer

[1994] "Internally stable nonlinear systems with disturbances: a parametrization", IEEE Transactions on Automatic Control, Vol. AC-39, pp. 300 - 314.

J. Hammer

[1994] "On some control problems in molecular biology", Proceedings of the IEEE Conference on Decision and Control, December 1994, pp. 4098-4103.

J. Hammer

[1995] "On the modeling and control of biological signaling chains", Proceedings of the IEEE Conference on Decision and Control, December 1995, pp. 3742-3752.

J. Hammer

[1996] "On the corrective control of sequential machines", International Journal of Control, Vol. 65, pp. 249-276.

J. Hammer

[1997] "On the control of sequential machines with disturbances", International Journal of Control, Vol. 67, No. 3, pp. 307-331.

J. Hammer

[1998] "Handling disturbances in nonlinear control: the use of state feedback", International Journal of Control, Vol. 70, No. 5, pp. 761-787.

J. Hammer

[2000] "Approximate model matching for nonlinear control systems", International Journal of Control, vol. 73, no. 18, pp. 1671-1685.

J. Hammer

[2003] “Sturdy control of discrete communication networks, Part I: population control", International Journal of Control vol. 76, No. 6, pp. 618-634.

J. Hammer

[2001] "Asymptotic efficiency and admission control for discrete communication networks", Proceedings of the 2001 American Control Conference.

J. Hammer

[2002] "Asymptotic efficiency and buffer optimization for discrete communication networks", Proceedings of the 10th Mediterranean Conference on Control and Automation, Lisbon, Portugal, July 2002.

T.E. Murphy, X.J. Geng, and J. Hammer

[2003] "On the control of asynchronous machines with races", IEEE Transactions on Automatic Control, vol. 48, no. 6, pp. 1073-1081.

T.E. Murphy, X.J. Geng, and J. Hammer

[2002] "Controlling races in asynchronous sequential machines", Proceeding of the IFAC World Congress, Barcelona, July 2002.

J. Hammer

[2004] "Tracking and Approximate Model Matching for Nonlinear Systems", International J. of Control, VOL. 77, NO. 14, pp. 1269–1286.

J. Hammer

[2004] "High-Gain Tracking for Nonlinear Systems", Proceedings of the American Control Conference, Portland, Oregon, June 2005.

J. Hammer

[2004] "High-Gain Control of Nonlinear Minimum-Phase Systems", Proceedings of the American Control Conference, Portland, Oregon, June 2005.

N. Venkatraman and J. Hammer

[2006] "On the Control of Asynchronous Sequential Machines with Infinite Cycles," International Journal of Control, Vol. 79, No. 7, pp. 764–785.

N. Venkatraman and J. Hammer

[2006] "Stable Realizations of Asynchronous Sequential Machines with Infinite Cycles," Proceedings of the 2006 Asian Control Conference, Bali, Indonesia.

N. Venkatraman and J. Hammer

[2006] "Controllers for asynchronous machines with infinite cycles," Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems, Kyoto, Japan.

J. Hammer

[2007] "High Gain Feedback, Tolerance, and Stabilization of Linear Systems", International J. of Control, Vol. 80, Number 4, pp. 593–610.

J. Hammer

[2007] "Tolerable Inaccuracies in Linear State Feedback", American Control Conference, New York, NY, July 2007.

D. Chakraborty and J. Hammer

[2007] "Optimizing System Performance in the Event of Feedback Failure", Proceedings of the 6th International Congress on Industrial and Applied Mathematics, Zurich, Switzerland, July 16-20, 2007; Proc. Appl. Math. Mech. 7, 2060009– 2060010 (2007).

J. M. Yang and J. Hammer

[2008] "Counteracting the Effects of Adversarial Inputs on Asynchronous Sequential Machines", Proceedings of the IFAC World Congress, Seul, Korea, July 2008.

D. Chakraborty and J. Hammer

[2008] "Preserving System Performance During Feedback Failure", Proceedings of the IFAC World Congress, Seul, Korea, July 2008.

J. M. Yang and J. Hammer

[2008] "State Feedback Control of Asynchronous Sequential Machines with Adversarial Inputs", International J. Control, Vol. 81, No. 12, pp. 1910-1929.

D. Chakraborty and J. Hammer

[2008] "Control During Feedback Failure: Characteristics of the Optimal Solution", Proceedings of the 17th Mediterranean Conference on Control and Automation, Thessaloniki, Greece, June 24-26, 2009 (to appear).

D. Chakraborty and J. Hammer

[2009] "Optimal Control During Feedback Failure", International J. of Control, Vol. 82, No. 8, pp. 1448-1468.

D. Chakraborty and J. Hammer

[2008] "Bang-Bang Functions: Universal Approximants for the Solution of Min-Max Optimal Control Problems", Proceedings of the International Symposium On Dynamic Games and Applications, Wroclaw, Poland, June 2008.

D. Chakraborty and J. Hammer

[2008] "Robust Optimal Control: Maximum Time of Low-Error Operation", Proceedings of the Fifth International Conference of Applied Mathematics and Computing, Plovdiv, Bulgaria, August 12-18, 2008.

D. Chakraborty and J. Hammer

[2008] "Robust Optimal Control: Low Error Operation for The Longest Time", International Journal of Control (to appear).

J. Peng and J. Hammer

[2010] "Input/Output Control of Asynchronous Sequential Machines with Races", International Journal of Control, Vol. 83, No. 1, January 2010, pp. 125–144.

J. Peng and J. Hammer

[2008] "Generalized Realizations and Output Feedback Control of Asynchronous Sequential Machines with Races", Proceeding of the European Control Conference, Budapest, Hungary, August 2009.

J. M. Yang and J. Hammer

[2009] "Using Bursts to Overcome The Effects of Adversarial Interventions on Asynchronous Sequential Machines", Proceedings of the Asian Control Conference, Hong-Kong, August 27-29, 2009, pp. 943-948.

D. Chakraborty and J. Hammer

[2009] "Optimal Low Error Control of Disturbed Systems", Proceedings of the IEEE Conference on Systems, Man, and Cybernetics, San Antonio, Texas, USA, October 11-14, 2009.

J. M. Yang and J. Hammer

[2010] "Asynchronous Sequential Machines with Adversarial Intervention: the Use of Bursts", International Journal of Control, Vol. 83, No. 5, 956–969.

J. Peng and J. Hammer

[2012] "Bursts and Output Feedback Control of Non-Deterministic Asynchronous Sequential Machines", European Journal of Control, Vol. 18 no. 3, pp. 286-300.

J. Peng and J. Hammer

[2010] "Output Feedback and Bursts: Overcoming Uncertainty in Asynchronous Sequential Machines", Proceedings of the International Federation of Automatic Control Symposium on Nonlinear Control Systems, Bologna, Italy, September 2010.

Jung-Min Yang, Tan Xing, and Jacob Hammer

[2012] "Adaptive Control of Asynchronous Sequential Machines with State Feedback", European Journal of Control, vol. 18 no. 6, pp. 503-527.

Jung-Min Yang, Tan Xing, and Jacob Hammer

[2011] "On the Control of Indeterminate Asynchronous Sequential Machines: An Algebraic Framework", Proceedings of the 2011 IEEE International Conference on Intelligent Computing and Intelligent Systems (ICIS 2011), Guangzhou, China, Nov. 18-20, 2011.

Jung-Min Yang, Tan Xing, and Jacob Hammer

[2011] "Adaptive Control of Asynchronous Sequential Machines: An Algebraic Formulation", Proceedings of the 16th IFAC Symposium on System Identification (SYSID 2012), Brussels, Belgium July 2012.

J. Hammer [2014]

”State Feedback Control of Nonlinear Systems: A Simple Approach”, International J. of Control, Vol. 87, No. 1, pp. 143-160.

J. Hammer [2012]

”A Simple Approach to Nonlinear State Feedback Design”, Proceedings of the Asian Control Conference, pp. 2218-2224, Istanbul, Turkey, June 2013.

J. Hammer [2015]

”On Simple Design of Nonlinear Observers for Robust Stabilization of Nonlinear Systems”, Transactions of the ASME, Journal of Dynamic Systems, Measurement, and Control, Vol. 137, pp. 071011-1 to 071011-10, July 2015.

Jung-Min Yang and Jacob Hammer

[2016] ”Static State Feedback Control of Asynchronous Sequential Machines”, International Journal of General Systems (to appear).

J. Hammer [2013]

”Robust Stabilization of Nonlinear Systems, the Separation Theorem, and Asymptotic Observers”, Proceedings of the 18th International Conference on System Theory, Control, and Computing, Sinaia, Romania, October 2014.

Jung-Min Yang and Jacob Hammer

[2014] ”Asynchronous Sequential Machines: Static State Feedback and Model Matching”, Proceedings of the International Symposium on the Mathematical Theory of Networks and Systems, Groningen, The Netherlands, July 2014.

J. Hammer [2016]

”Automatic Defensive Control of Asynchronous Sequential Machines”, International Journal of Control, Vol. 89, No. 1, 193–209.

J. Hammer [2015]

”Defensive State Feedback Control of Asynchronous Sequential Machines”, Proceedings of The Mediterranean Conference on Control and Automation, June 16-19, 2015, Malaga, Spain.

Zhaoxu Yu and Jacob Hammer

[2015] ”Fastest Recovery After Feedback Disruption”, International Journal of Control (to appear).

Zhaoxu Yu and Jacob Hammer

[2015] ”Recovering from Feedback Failure in Minimal Time”, 10th IFAC Symposium on Nonlinear Control Systems, August 2016, Monterey, CA, USA (to appear).

Ho–Lim Choi and Jacob Hammer

[2016], ”Optimal Robust Control of Nonlinear Time-Delay Systems: Maintaining Low Operating Errors During Feedback Outages”, submitted for publication.

Ho–Lim Choi and Jacob Hammer

[2016], ”Low Error Operation in Open Loop: Nonlinear Systems with Time Delay”, submitted for publication.