Michael Rotkowitz



Assistant Professor
Institute for Systems Research (ISR)
Department of Electrical and Computer Engineering (ECE)

A. James Clark School of Engineering
The University of Maryland
College Park, Maryland, USA



Email: x @ y . z
where   x = mcrotk ; y = umd ; z = edu


Other websites: [ISR] [ECE] [Google scholar]





Publications

A. Alavian and M.C. Rotkowitz
Stabilizing Decentralized Systems with Arbitrary Information Structure
submitted to the 53rd IEEE Conference on Decision and Control, December 2014.

A. Alavian and M.C. Rotkowitz
Fixed Modes of Decentralized Systems with Arbitrary Information Structure
Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems,
to appear, July 2014.

T. Gan and M.C. Rotkowitz
Decomposition of Data Rate Allocation for Stabilization over Networks
Proceedings of the 4th IFAC Workshop on Distributed Estimation and Control in Networked Systems,
pp. 389-396, September 2013.

A. Alavian and M.C. Rotkowitz
Q-Parametrization and an SDP for H-optimal Decentralized Control
Proceedings of the 4th IFAC Workshop on Distributed Estimation and Control in Networked Systems,
pp. 301-308, September 2013.

A. Mahajan, N.C. Martins, M.C. Rotkowitz, and S. Yüksel
Information Structures in Optimal Decentralized Control
Proceedings of the 51st IEEE Conference on Decision and Control, pp. 1291-1306, December 2012.

A. Dehghani, M. Rotkowitz, B.D.O. Anderson and S.H. Cha
Simplified Rapid Switching Gain Scheduling for a class of LPV Systems
IEEE Transactions on Automatic Control, vol. 57, no. 10, pp. 2633-2639, October 2012.

M.C. Rotkowitz and N.C. Martins
On the Nearest Quadratically Invariant Constraint
IEEE Transactions on Automatic Control, vol. 57, no. 5, pp. 1314-1319, May 2012.

M.C. Rotkowitz and N.C. Martins
On the Number of Iterations to the Closest Quadratically Invariant Information Constraint
Proceedings of the 18th IFAC World Congress, pp. 9115-9120, August 2011.

M.C. Rotkowitz
Parametrization of Stabilizing Controllers Subject to Subspace Constraints
Proceedings of the 2011 American Control Conference, pp. 5370-5375, July 2011.

M. Rotkowitz
Decentralized Control and Algebraic Approaches
Chapter 74, The Control Handbook, 2nd Edition, W. Levine (editor), CRC Press Inc., 2011.

M. Rotkowitz
Parametrization of All Stabilizing Controllers Subject to Any Structural Constraint
Proceedings of the 49th IEEE Conference on Decision and Control, pp. 108-113, December 2010.

M. Rotkowitz, R. Cogill, and S. Lall
Convexity of Optimal Control over Networks with Delays and Arbitrary Topology
special issue on "Information Processing and Decision Making in Distributed Control Systems",
International Journal of Systems, Control, and Communications. vol. 2, no. 1/2/3, pp. 30-54, 2010.

M.C. Rotkowitz and N.C. Martins
On the Closest Quadratically Invariant Constraint
Proceedings of the 48th IEEE Conference on Decision and Control, pp. 1607-1612, December 2009.

L. Blackhall and M. Rotkowitz
Using an Information Filter to Speed Computation of Sparse Parameter Estimates
Proceedings of the 48th IEEE Conference on Decision and Control, pp. 7238-7243, December 2009.

L. Blackhall and M. Rotkowitz
Estimating the Interconnection Structure of Dynamical Networks
Proceedings of the 2009 European Control Conference, pp. 2954-2959, August 2009.

L. Blackhall and M. Rotkowitz
Maximum Aposteriori vs Maximum Probability Recursive Sparse Estimation
Proceedings of the 2009 European Control Conference, pp. 472-477, August 2009.

Y. Feng, B.D.O. Anderson, and M. Rotkowitz
A Game Theoretic Algorithm to Compute Local Stabilizing Solutions to HJBI Equations in Nonlinear H Control
Automatica, vol. 45, no. 4, pp. 881-888, April 2009.

W. Griggs, B.D.O. Anderson, A. Lanzon, and M. Rotkowitz
Interconnections of Nonlinear Systems with ``Mixed'' Small Gain and Passivity Properties and Associated Input-Output Stability Results
Systems and Control Letters, vol. 58, no. 4, pp. 289-295, April 2009.

M. Rotkowitz
On Information Structures, Convexity, and Linear Optimality
IEEE Conference on Decision and Control, pp. 1642-1647, December 2008.

A. Lanzon, Y. Feng, B.D.O. Anderson, and M. Rotkowitz
Computing the Positive Stabilizing Solution to Algebraic Riccati Equations with an Indefinite Quadratic Term via a Recursive Method
IEEE Transactions on Automatic Control, vol. 53, no. 10, pp. 2280-2291, November 2008.

M. Rotkowitz and R. Cogill
Convex Synthesis of Distributed Controllers for Spatio-Temporal Systems with Subadditive Support Functions
Proceedings of the Allerton Conference on Communication, Control, and Computing, September 2008.

M. Rotkowitz and G. Nair
An LP for Stabilization over Networks with Rate Constraints
Proceedings of the International Symposium on Mathematical Theory of Networks and Systems, July 2008.

S.H. Cha, M. Rotkowitz, and B.D.O. Anderson
Gain Scheduling Using Time-Varying Kalman Filter for a Class of LPV Systems
Proceedings of the IFAC World Congress, July 2008.

L. Blackhall and M. Rotkowitz
Recursive Sparse Estimation using a Gaussian Sum Filter
Proceedings of the IFAC World Congress, July 2008.

Y. Feng, M. Rotkowitz, and B.D.O. Anderson
An Iterative Procedure to Compute Local Nonnegative Stabilizing Smooth Solutions to HJBI Equations in Nonlinear H Control
Proceedings of the IFAC World Congress, July 2008.

W. Griggs, B.D.O. Anderson, A. Lanzon, and M. Rotkowitz
A Stability Result for Interconnections of Nonlinear Systems with ``Mixed'' Small Gain and Passivity Properties
Proceedings of the IEEE Conference on Decision and Control, pp. 4489-4494, December 2007.

M. Rotkowitz
Linear Controllers are Uniformly Optimal for the Witsenhausen Counterexample
Proceedings of the IEEE Conference on Decision and Control, pp. 553-558, December 2006.

M. Rotkowitz
Parameterization of Causal Stabilizing Controllers over Networks with Delays
Proceedings of the IEEE Global Telecommunications Conference, November 2006.

M. Rotkowitz and S. Lall
Affine Controller Parameterization for Decentralized Control over Banach Spaces
IEEE Transactions on Automatic Control, vol. 51, no. 9, pp. 1497-1500, September 2006.

M. Rotkowitz and S. Lall
Convexification of Optimal Decentralized Control Without a Stabilizing Controller
Proceedings of the International Symposium on Mathematical Theory of Networks and Systems, July 2006.

M. Rotkowitz
Information Structures Preserved Under Nonlinear Time-Varying Feedback
Proceedings of the American Control Conference, pp. 4207-4212, June 2006.

R. Cogill, M. Rotkowitz, B. Van Roy, and S. Lall
An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems
Lecture Notes in Control and Information Sciences vol. 329, Control of Uncertain Systems: Modelling, Approximation, and Design,
(A Workshop on the Occasion of Keith Glover's 60th Birthday), pp. 243-256, April 2006.

M. Rotkowitz
Sensitivity Analysis of Closed-Loop Controller Performance: A Model-Based Bootstrap Approach
Proceedings of the IFAC Symposium on System Identification, March 2006.

M. Rotkowitz and S. Lall
A Characterization of Convex Problems in Decentralized Control
IEEE Transactions on Automatic Control, vol. 51, no. 2, pp. 274-286, February 2006.

M. Rotkowitz, R. Cogill, and S. Lall
A Simple Condition for the Convexity of Optimal Control over Networks with Delays
Proceedings of the IEEE Conference on Decision and Control / European Control Conference, pp. 6686-6691, December 2005.


M. Rotkowitz and S. Lall
Decentralized Control Subject to Communication and Propagation Delays
Proceedings of the IEEE Conference on Decision and Control, pp. 4990-4997, December 2004.

R. Cogill, M. Rotkowitz, B. Van Roy, and S. Lall
An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems
Proceedings of the 2004 Allerton Conference on Communication, Control, and Computing, September 2004.

M. Rotkowitz and S. Lall
On Computation of Optimal Controllers Subject to Quadratically Invariant Sparsity Constraints
Proceedings of the American Control Conference, pp. 5659-5664, June 2004.

M. Rotkowitz and S. Lall
Decentralized Control of Unstable Systems and Quadratically Invariant Information Constraints
Proceedings of the IEEE Conference on Decision and Control, pp. 2865-2871, December 2003.

M. Rotkowitz and S. Lall
Decentralized Control Information Structures Preserved Under Feedback
Proceedings of the IEEE Conference on Decision and Control, pp. 569-575, December 2002.

L. Lipera, J. Colbourne, M. Tischler, M. Mansur, M. Rotkowitz, and P. Patangui
The Micro Craft iSTAR Micro Air Vehicle: Control System Design and Testing
Proceedings of the American Helicopter Society 57th Annual Forum, pp. 1998-2008, May 2001.

S.Matsumoto, S. Pullen, M. Rotkowitz, and B. Pervan
GPS Ephemeris Verification for Local Area Augmentation System (LAAS) Ground Stations
Proceedings of the Institute of Navigation GPS Conference, pp. 691-703, September 1999.



2013.12.20