Bio

Sanjay Lall is Professor of Electrical Engineering in the Information Systems Laboratory and Professor of Aeronautics and Astronautics at Stanford University. He received a B.A. degree in Mathematics with first-class honors in 1990 and a Ph.D. degree in Engineering in 1995, both from the University of Cambridge, England. His research group focuses on the development of advanced engineering methodologies for the design of control, optimization and signal processing algorithms which occur in a wide variety of electrical, mechanical and aerospace systems. Before joining Stanford he was a Research Fellow at the California Institute of Technology in the Department of Control and Dynamical Systems, and prior to that he was a NATO Research Fellow at Massachusetts Institute of Technology, in the Laboratory for Information and Decision Systems. He was also a visiting scholar at Lund Institute of Technology in the Department of Automatic Control. He has significant industrial experience applying advanced algorithms to problems including satellite systems at Lockheed Martin, advanced audio systems at Sennheiser, Formula 1 racing, and integrated circuit diagnostic systems, in addition to several startup companies. Professor Lall has served as Associate Editor for the journal Automatica, on the steering and program committees of several international conferences, and as a reviewer for the National Science Foundation, DARPA, and the Air Force Office of Scientific Research. He is the author of over 130 peer-refereed publications.

Academic Appointments

Honors & Awards

  • CAREER Award, National Science Foundation (2006)
  • Presidential Early Career Award for Scientists and Engineers, National Science Foundation (2007)
  • George S. Axelby Outstanding Paper Award, IEEE (2007)

Professional Education

  • PhD, Cambridge (1995)

Contact

Links

2015-16 Courses

All Publications

  • Explicit Solutions to Separable Problems in Optimal Cooperative Control IEEE TRANSACTIONS ON AUTOMATIC CONTROL Kim, J., Lall, S. 2015; 60 (5): 1304-1319

    View details for DOI 10.1109/TAC.2014.2378931

    View details for Web of Science ID 000353508100010

  • Optimal Controller Synthesis for Decentralized Systems Over Graphs via Spectral Factorization IEEE TRANSACTIONS ON AUTOMATIC CONTROL Swigart, J., Lall, S. 2014; 59 (9): 2311-2323

    View details for DOI 10.1109/TAC.2014.2321309

    View details for Web of Science ID 000342924100001

  • Dynamical and Voltage Profile Stability of Inverter-Connected Distributed Power Generation IEEE TRANSACTIONS ON SMART GRID Chang, C., Gorinevsky, D., Lall, S. 2014; 5 (4): 2093-2105

    View details for DOI 10.1109/TSG.2014.2321749

    View details for Web of Science ID 000338191200057

  • Polynomial Level-Set Method for Polynomial System Reachable Set Estimation IEEE TRANSACTIONS ON AUTOMATIC CONTROL Wang, T., Lall, S., West, M. 2013; 58 (10): 2508-2521

    View details for DOI 10.1109/TAC.2013.2263916

    View details for Web of Science ID 000324931000006

  • Polynomial level-set method for attractor estimation JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS Wang, T., Lall, S., West, M. 2012; 349 (9): 2783-2798

    View details for DOI 10.1016/j.jfranklin.2012.08.014

    View details for Web of Science ID 000311063900005

  • Networked Markov Decision Processes With Delays IEEE TRANSACTIONS ON AUTOMATIC CONTROL Adlakha, S., Lall, S., Goldsmith, A. 2012; 57 (4): 1013-1018

    View details for DOI 10.1109/TAC.2011.2168111

    View details for Web of Science ID 000302499500017

  • Decentralized Control via Grbner Bases and Variable Elimination IEEE TRANSACTIONS ON AUTOMATIC CONTROL Shin, H. S., Lall, S. 2012; 57 (4): 1030-1035

    View details for DOI 10.1109/TAC.2011.2170110

    View details for Web of Science ID 000302499500020

  • Optimal Controller Synthesis for the Decentralized Two-Player Problem with Output Feedback 2012 AMERICAN CONTROL CONFERENCE (ACC) Lessard, L., Lall, S. 2012: 6314-6321

    View details for Web of Science ID 000310776206101

  • Optimal Cooperative Control of Dynamically Decoupled Systems 2012 IEEE 51ST ANNUAL CONFERENCE ON DECISION AND CONTROL (CDC) Kim, J., Lall, S., Ryoo, C. 2012: 4852-4857

    View details for Web of Science ID 000327200405031

  • Frequency Stability for Distributed Generation Connected through Grid-Tie Inverter 2012 IEEE INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY (POWERCON) Glover, E., Chang, C., Gorinevsky, D., Lall, S. 2012

    View details for Web of Science ID 000327100400110

  • Optimal Cooperative Control of Dynamically Decoupled Systems. Kim, J., H., Lall, S., Ryoo, C., K. 2012
  • Frequency Stability for Distributed Generation Connected through Grid-Tie Inverter. Glover, E., Chang, C., C., Gorinevsky, D., Lall, S. 2012
  • Separable Optimal Cooperative Control Problems 2012 AMERICAN CONTROL CONFERENCE (ACC) Kim, J., Lall, S. 2012: 5868-5873

    View details for Web of Science ID 000310776206029

  • Polynomial Method for PLL Controller Optimization SENSORS Wang, T., Lall, S., Chiou, T. 2011; 11 (7): 6575-6592

    Abstract

    The Phase-Locked Loop (PLL) is a key component of modern electronic communication and control systems. PLL is designed to extract signals from transmission channels. It plays an important role in systems where it is required to estimate the phase of a received signal, such as carrier tracking from global positioning system satellites. In order to robustly provide centimeter-level accuracy, it is crucial for the PLL to estimate the instantaneous phase of an incoming signal which is usually buried in random noise or some type of interference. This paper presents an approach that utilizes the recent development in the semi-definite programming and sum-of-squares field. A Lyapunov function will be searched as the certificate of the pull-in range of the PLL system. Moreover, a polynomial design procedure is proposed to further refine the controller parameters for system response away from the equilibrium point. Several simulation results as well as an experiment result are provided to show the effectiveness of this approach.

    View details for DOI 10.3390/s110706575

    View details for Web of Science ID 000293069200006

    View details for PubMedID 22163973

  • Synthesis for Optimal Two-Player Decentralized Control over TCP Erasure Channels with State Feedback 2011 50TH IEEE CONFERENCE ON DECISION AND CONTROL AND EUROPEAN CONTROL CONFERENCE (CDC-ECC) Chang, C., Lall, S. 2011: 3824-3829

    View details for Web of Science ID 000303506204072

  • A State-Space Solution to the Two-Player Decentralized Optimal Control Problem. Lessard, L., Lall, S. 2011
  • Decentralized Control. Networked Control Systems. Lecture Notes in Control and Information Sciences Swigart, J., Lall, S. 2011; 406: 179--201
  • Optimal Controller Synthesis for a Decentralized Two-Player System with Partial Output Feedback 2011 AMERICAN CONTROL CONFERENCE Swigart, J., Lall, S. 2011: 317-323

    View details for Web of Science ID 000295376000053

  • An Explicit Solution for Optimal Two-Player Decentralized Control over TCP Erasure Channels with State Feedback 2011 AMERICAN CONTROL CONFERENCE Chang, C., Lall, S. 2011: 4717-4722

    View details for Web of Science ID 000295376005104

  • Decentralized Robust Control via Quadratically Invariant Model Projection 2011 AMERICAN CONTROL CONFERENCE Kim, J., Lall, S., Merrill, W., Behbahani, A. 2011: 527-532

    View details for Web of Science ID 000295376001007

  • Quadratic Invariance is Necessary and Sufficient for Convexity 2011 AMERICAN CONTROL CONFERENCE Lessard, L., Lall, S. 2011: 5360-5362

    View details for Web of Science ID 000295376006063

  • A Unifying Condition for Separable Two Player Optimal Control Problems 2011 50TH IEEE CONFERENCE ON DECISION AND CONTROL AND EUROPEAN CONTROL CONFERENCE (CDC-ECC) Kim, J., Lall, S. 2011: 3818-3823

    View details for Web of Science ID 000303506204071

  • Coding Strategies for a Class of Decentralized Control Problems with Limited Communication 2011 50TH IEEE CONFERENCE ON DECISION AND CONTROL AND EUROPEAN CONTROL CONFERENCE (CDC-ECC) Mirghaderi, R., Lall, S., Goldsmith, A. 2011: 4809-4816

    View details for Web of Science ID 000303506205069

  • Fast Algorithms for Resource Allocation in Wireless Cellular Networks IEEE-ACM TRANSACTIONS ON NETWORKING Madan, R., Boyd, S. P., Lall, S. 2010; 18 (3): 973-984

    View details for DOI 10.1109/TNET.2009.2034850

    View details for Web of Science ID 000278813900023

  • Optimal Synthesis and Explicit State-Space Solution for a Decentralized Two-Player Linear-Quadratic Regulator 49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) Swigart, J., Lall, S. 2010: 132-137

    View details for Web of Science ID 000295049100023

  • Distributed Engine Control Design Considerations. Merrill, W., Kim, J., H., Lall, S., Majerus, S., Howe, D., Behbahani, A. 2010
  • Convexity of Optimal Control over Networks with Delays and Arbitrary Topology. International Journal of Systems, Control and Communications Rotkowitz, M., Cogill, R., Lall, S. 2010; 2 (1-3): 30--54
  • An Exact Dynamic Programming Solution for a Decentralized Two-Player Markov Decision Process. Wu, J., Lall, S. 2010
  • An Explicit Dynamic Programming Solution for a Decentralized Two-Player Optimal Linear-Quadratic Regulator. Swigart, J., Lall, S. 2010
  • An Explicit State-Space Solution for a Decentralized Two-Player Optimal Linear-Quadratic Regulator 2010 AMERICAN CONTROL CONFERENCE Swigart, J., Lall, S. 2010: 6385-6390

    View details for Web of Science ID 000287187906129

  • Optimal Decentralized Control of Linear Systems via Groebner Bases and Variable Elimination 2010 AMERICAN CONTROL CONFERENCE Shin, H. S., Lall, S. 2010: 5608-5613

    View details for Web of Science ID 000287187906002

  • A Constant Factor Approximation Algorithm for Event-Based Sampling PERSPECTIVES IN MATHEMATICAL SYSTEM THEORY, CONTROL, AND SIGNAL PROCESSING Cogill, R., Lall, S., Hespanha, J. P. 2010; 398: 51-60

    View details for Web of Science ID 000281198800005

  • An Algebraic Framework for Quadratic Invariance 49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) Lessard, L., Lall, S. 2010: 2698-2703

    View details for Web of Science ID 000295049103025

  • Nonlinear Youla Parametrization and Information Constraints for Decentralized Control 2010 AMERICAN CONTROL CONFERENCE Wu, J., Lall, S. 2010: 5614-5619

    View details for Web of Science ID 000287187906003

  • An Approximate Dynamic Programming Approach to the Dynamic Traveling Repairperson Problem 49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) Shin, H. S., Lall, S. 2010: 2286-2291

    View details for Web of Science ID 000295049102102

  • A Dynamic Programming Algorithm for Decentralized Markov Decision Processes with a Broadcast Structure 49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) Wu, J., Lall, S. 2010: 6143-6148

    View details for Web of Science ID 000295049107001

  • Internal Quadratic Invariance and Decentralized Control 2010 AMERICAN CONTROL CONFERENCE Lessard, L., Lall, S. 2010: 5596-5601

    View details for Web of Science ID 000287187905164

  • Hat Guessing Games and the Use of Coding for Decentralized Control Mirghaderi, R., Adlakha, S., Lall, S., Goldsmith, A. IEEE. 2010: 979-985

    View details for Web of Science ID 000295049101038

  • A Computational Approach for Decentralized Control of Turbine Engines 49TH IEEE CONFERENCE ON DECISION AND CONTROL (CDC) Kim, J., Lall, S., Merrill, W., Behbahani, A. 2010: 346-351

    View details for Web of Science ID 000295049100057

  • Analysis of Polynomial Systems With Time Delays via the Sum of Squares Decomposition IEEE TRANSACTIONS ON AUTOMATIC CONTROL Papachristodoulou, A., Peet, M. M., Lall, S. 2009; 54 (5): 1058-1064

    View details for DOI 10.1109/TAC.2009.2017168

    View details for Web of Science ID 000266174100018

  • Spectral Factorization of Non-Classical Information Structures Under Feedback 2009 AMERICAN CONTROL CONFERENCE, VOLS 1-9 Swigart, J., Lall, S. 2009: 457-462

    View details for Web of Science ID 000270044900075

  • Model reduction, optimal prediction, and the Mori-Zwanzig representation of Markov chains PROCEEDINGS OF THE 48TH IEEE CONFERENCE ON DECISION AND CONTROL, 2009 HELD JOINTLY WITH THE 2009 28TH CHINESE CONTROL CONFERENCE (CDC/CCC 2009) Beck, C. L., Lall, S., Liang, T., West, M. 2009: 3282-3287

    View details for Web of Science ID 000336893603128

  • Reduction of Decentralized Control Problems to Tractable Representations PROCEEDINGS OF THE 48TH IEEE CONFERENCE ON DECISION AND CONTROL, 2009 HELD JOINTLY WITH THE 2009 28TH CHINESE CONTROL CONFERENCE (CDC/CCC 2009) Lessard, L., Lall, S. 2009: 1621-1626

    View details for Web of Science ID 000336893602018

  • A Graph-Theoretic Approach to Distributed Control over Networks PROCEEDINGS OF THE 48TH IEEE CONFERENCE ON DECISION AND CONTROL, 2009 HELD JOINTLY WITH THE 2009 28TH CHINESE CONTROL CONFERENCE (CDC/CCC 2009) Swigart, J., Lall, S. 2009: 5409-5414

    View details for Web of Science ID 000336893605148

  • Reduction of Decentralized Control Problems to Tractable Representations. Lessard, L., Lall, S. 2009
  • Model reduction, optimal prediction, and the Mori-Zwanzig representation of Markov chains. Beck, C., L., Lall, S., Liang, T., West, M. 2009
  • A Graph-Theoretic Approach to Distributed Control over Networks. Swigart, J., Lall, S. 2009
  • Time-delayed Decentralized H-infinity Controller Design for Civil Structures: a Homotopy Method through Linear Matrix Inequalities 2009 AMERICAN CONTROL CONFERENCE, VOLS 1-9 Wang, Y., Law, K. H., Lall, S. 2009: 4549-4556

    View details for Web of Science ID 000270044902096

  • POSITIVE FORMS AND STABILITY OF LINEAR TIME-DELAY SYSTEMS SIAM JOURNAL ON CONTROL AND OPTIMIZATION Peet, M. M., Papachristodoulou, A., Lall, S. 2009; 47 (6): 3237-3258

    View details for DOI 10.1137/070706999

    View details for Web of Science ID 000208042600011

  • Decentralized Team Decision Via Coding Adlakha, S., Mirghaderi, S. R., Lall, S., Goldsmith, A. IEEE. 2009: 151-151

    View details for Web of Science ID 000279627100021

  • Experimental validation of single-iteration multigrid wavefront reconstruction at the Palomar Observatory OPTICS LETTERS Lessard, L., MacMynowski, D., West, M., Bouchez, A., Lall, S. 2008; 33 (18): 2047-2049

    Abstract

    Single-iteration multigrid (SIMG) wavefront reconstruction schemes were implemented and validated on the adaptive optics system at the Hale 5.1 m telescope at the Palomar Observatory. Results indicate that even the simplest such method produces a performance indistinguishable from that of the standard least-squares reconstructor for both bright and dim guide stars. SIMG provides a dramatic reduction in computational cost when compared to vector-matrix multiplication and can be implemented in parallel, making it the obvious choice for reconstruction in future large-scale adaptive optics systems.

    View details for Web of Science ID 000259891400010

    View details for PubMedID 18794926

  • Testing static equilibrium for legged robots IEEE TRANSACTIONS ON ROBOTICS Bretl, T., Lall, S. 2008; 24 (4): 794-807

    View details for DOI 10.1109/TRO.2008.2001360

    View details for Web of Science ID 000258617900004

  • Structured semidefinite programs for the control of symmetric systems AUTOMATICA Cogill, R., Lall, S., Parrilo, P. A. 2008; 44 (5): 1411-1417

    View details for DOI 10.1016/j.automatica.2007.10.004

    View details for Web of Science ID 000256113400028

  • Warm-started wavefront reconstruction for adaptive optics JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION Lessard, L., West, M., MacMynowski, D., Lall, S. 2008; 25 (5): 1147-1155

    Abstract

    Future extreme adaptive optics (ExAO) systems have been suggested with up to 10(5) sensors and actuators. We analyze the computational speed of iterative reconstruction algorithms for such large systems. We compare a total of 15 different scalable methods, including multigrid, preconditioned conjugate-gradient, and several new variants of these. Simulations on a 128x128 square sensor/actuator geometry using Taylor frozen-flow dynamics are carried out using both open-loop and closed-loop measurements, and algorithms are compared on a basis of the mean squared error and floating-point multiplications required. We also investigate the use of warm starting, where the most recent estimate is used to initialize the iterative scheme. In open-loop estimation or pseudo-open-loop control, warm starting provides a significant computational speedup; almost every algorithm tested converges in one iteration. In a standard closed-loop implementation, using a single iteration per time step, most algorithms give the minimum error even in cold start, and every algorithm gives the minimum error if warm started. The best algorithm is therefore the one with the smallest computational cost per iteration, not necessarily the one with the best quasi-static performance.

    View details for Web of Science ID 000256246000016

    View details for PubMedID 18451921

  • Information State for Markov Decision Processes with Network Delays 47TH IEEE CONFERENCE ON DECISION AND CONTROL, 2008 (CDC 2008) Adlakha, S., Lall, S., Goldsmith, A. 2008: 3840-3847

    View details for Web of Science ID 000307311603160

  • Dynamic Programming with Non-Classical Information Structures. Mathematical Theory of Networks and Systems Swigart, J., Lall, S. 2008
  • POSITIVE FORMS AND STABILITY OF LINEAR TIME-DELAY SYSTEMS SIAM JOURNAL ON CONTROL AND OPTIMIZATION Peet, M. M., Papachristodoulou, A., Lall, S. 2008; 47 (6): 3237-3258

    View details for DOI 10.1137/070706999

    View details for Web of Science ID 000263103300022

  • Stochastic Multiscale Approaches to Consensus Problems 47TH IEEE CONFERENCE ON DECISION AND CONTROL, 2008 (CDC 2008) Kim, J., West, M., Lall, S., Scholte, E., Banaszuk, A. 2008: 5551-5557

    View details for Web of Science ID 000307311605113

  • Nonlinear Phase-Locked Loop Design using Semidefinite Programming 2008 MEDITERRANEAN CONFERENCE ON CONTROL AUTOMATION, VOLS 1-4 Wang, T., Chiou, T., Lall, S. 2008: 1047-1052

    View details for Web of Science ID 000261534400175

  • A Bayesian Network Approach to Control of Networked Markov Decision Processes Adlakha, S., Lall, S., Goldsmith, A. IEEE. 2008: 446-451

    View details for Web of Science ID 000268229600066

  • Modeling and optimization of transmission schemes in energy-constrained wireless sensor networks IEEE-ACM TRANSACTIONS ON NETWORKING Madan, R., Cui, S., Lall, S., Goldsmith, A. J. 2007; 15 (6): 1359-1372

    View details for DOI 10.1109/TNET.2007.897945

    View details for Web of Science ID 000252125200012

  • Cross-layer energy and delay optimization in. small-scale sensor networks IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS Cui, S., Madan, R., Goldsmith, A. J., Lall, S. 2007; 6 (10): 3688-3699

    View details for DOI 10.1109/TWC.2007.060072

    View details for Web of Science ID 000250177700028

  • Global stability analysis of a nonlinear model of Internet congestion control with delay IEEE TRANSACTIONS ON AUTOMATIC CONTROL Peet, M., Lall, S. 2007; 52 (3): 553-559

    View details for DOI 10.1109/TAC.2007.892379

    View details for Web of Science ID 000245149400021

  • Optimal control of distributed Markov decision processes with network delays Adlakha, S., Madan, R., Lall, S., Goldsmith, A. IEEE. 2007: 4804-4810

    View details for Web of Science ID 000255181702184

  • A Constant Factor Approximation Algorithm for Event-Based Sampling. Cogill, R., Lall, S., Hespanha, J. 2007
  • Affine controller parameterization for decentralized control over Banach spaces IEEE TRANSACTIONS ON AUTOMATIC CONTROL Rotkowitz, M., Lall, S. 2006; 51 (9): 1497-1500

    View details for DOI 10.1109/TAC.2006.880781

    View details for Web of Science ID 000240579000009

  • Distributed algorithms for maximum lifetime routing in wireless sensor networks Madan, R., Lall, S. IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC. 2006: 2185-2193

    View details for DOI 10.1109/TWC.2006.04667

    View details for Web of Science ID 000239552000032

  • An energy-optimal algorithm for neighbor discovery in wireless sensor networks Madan, R., Lall, S. SPRINGER. 2006: 317-326

    View details for DOI 10.1007/s11036-006-5185-x

    View details for Web of Science ID 000237441400002

  • Discrete variational Hamiltonian mechanics JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL Lall, S., West, M. 2006; 39 (19): 5509-5519

    View details for DOI 10.1088/0305-4470/39/19/S11

    View details for Web of Science ID 000238383700012

  • A characterization of convex problems in decentralized control IEEE TRANSACTIONS ON AUTOMATIC CONTROL Rotkowitz, M., Lall, S. 2006; 51 (2): 274-286

    View details for DOI 10.1109/TAC.2005.860365

    View details for Web of Science ID 000235535700008

  • An approximation algorithm for the discrete team decision problem SIAM JOURNAL ON CONTROL AND OPTIMIZATION Cogill, R., Lall, S. 2006; 45 (4): 1359-1368

    View details for DOI 10.1137/050628374

    View details for Web of Science ID 000242572300010

  • Convexification of Optimal Decentralized Control Without a Stabilizing Controller. Rotkowitz, M., Lall, S. 2006
  • A Constant Factor Approximation Algorithm for Event-Based Sampling. Cogill, R., Lall, S., Hespanha, J. 2006
  • A space-time diffusion scheme for peer-to-peer least-squares estimation IPSN 2006: THE FIFTH INTERNATIONAL CONFERENCE ON INFORMATION PROCESSING IN SENSOR NETWORKS Xiao, L., Boyd, S., Lall, S. 2006: 168-176

    View details for Web of Science ID 000238978000022

  • An approximate dynamic programming approach to decentralized control of stochastic systems CONTROL OF UNCERTAIN SYSTEMS: MODELLING, APPROXIMATION, AND DESIGN Cogill, R., Rotkowitz, M., Van Roy, B., Lall, S. 2006; 329: 243-256

    View details for Web of Science ID 000236901900013

  • Backlog analysis of maximal matching switching with speedup PROCEEDINGS OF THE 45TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14 Cogill, R., Lall, S. 2006: 1876-1881

    View details for Web of Science ID 000252251606069

  • Suboptimality bounds in stochastic control: A queueing example 2006 AMERICAN CONTROL CONFERENCE, VOLS 1-12 Cogill, R., Lall, S. 2006; 1-12: 1642-1647

    View details for Web of Science ID 000241666303019

  • Positive forms and stability of linear time-delay systems PROCEEDINGS OF THE 45TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14 Peet, M., Papachristodoulou, A., Lall, S. 2006: 187-193

    View details for Web of Science ID 000252251605148

  • A fast and adaptive test of static equilibrium for legged robots 2006 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION (ICRA), VOLS 1-10 Bretl, T., Lall, S. 2006: 1109-1116

    View details for Web of Science ID 000240886902035

  • Degree bounds for polynomial verification of the matrix cube problem PROCEEDINGS OF THE 45TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-14 Chen, B., Lall, S. 2006: 4405-4410

    View details for Web of Science ID 000252251605099

  • A characterization of convex problems in decentralized control IEEE TRANSACTIONS ON AUTOMATIC CONTROL Rotkowitz, M., Lall, S. 2005; 50 (12): 1984-1996

    View details for DOI 10.1109/TAC.2005.860365

    View details for Web of Science ID 000234062800005

  • A simple condition for the convexity of optimal control over networks with delays 2005 44TH IEEE CONFERENCE ON DECISION AND CONTROL & EUROPEAN CONTROL CONFERENCE, VOLS 1-8 Rotkowitz, M., Cogill, R., Lall, S. 2005: 6686-6691

    View details for Web of Science ID 000240653706075

  • Cross-Layer Design for Lifetime Maximization in Interference-Limited Wireless Sensor Networks. Madan, R., Cui, S., Lall, S., Goldsmith, A. 2005
  • A Distributed Algorithm with Linear Convergence for Maximum Lifetime Routing in Wireless Networks. Madan, R., Luo, Z.-Q., Lall, S. 2005
  • Mixed Integer-Linear Programming for Link Scheduling in Interference-Limited Networks. Madan, R., Cui, S., Lall, S., Goldsmith, A., J. 2005
  • Polynomial level-set methods for nonlinear dynamical systems analysis. Wang, T., Lall, S., West, M. 2005
  • Multi-step motion planning for free-climbing robots ALGORITHMIC FOUNDATIONS OF ROBOTICS VI Bretl, T., Lall, S., Latombe, J. C., Rock, S. 2005; 17: 59-74

    View details for Web of Science ID 000231865200006

  • Joint routing, MAC, and link layer optimization in sensor networks with energy constraints ICC 2005: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5 Cui, S. G., Madan, R., Goldsmith, A., Lall, S. 2005: 725-729

    View details for Web of Science ID 000231726401001

  • Tractable fitting with convex polynomials via sum-of-squares 2005 44TH IEEE CONFERENCE ON DECISION AND CONTROL & EUROPEAN CONTROL CONFERENCE, VOLS 1-8 Magnani, A., Lall, S., Boyd, S. 2005: 1672-1677

    View details for Web of Science ID 000240653701110

  • A scheme for robust distributed sensor fusion based on average consensus 2005 FOURTH INTERNATIONAL SYMPOSIUM ON INFORMATION PROCESSING IN SENSOR NETWORKS Xiao, L., Boyd, S., Lall, S. 2005: 63-70

    View details for Web of Science ID 000230452800009

  • Energy-delay tradeoffs for data collection in TDMA-based sensor networks ICC 2005: IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-5 Cui, S. G., Madan, R., Goldsmith, A., Lall, S. 2005: 3278-3284

    View details for Web of Science ID 000231726404076

  • Decentralized stochastic decision problems and polynomial optimization ACC: PROCEEDINGS OF THE 2005 AMERICAN CONTROL CONFERENCE, VOLS 1-7 Cogill, R., Lall, S. 2005: 2709-2714

    View details for Web of Science ID 000231947703075

  • Cross-layer design for lifetime maximization in interference-limited wireless sensor networks IEEE INFOCOM 2005: THE CONFERENCE ON COMPUTER COMMUNICATIONS, VOLS 1-4, PROCEEDINGS Madan, R., Cui, S. G., Lall, S., Goldsmith, A. 2005: 1964-1975

    View details for Web of Science ID 000231441002041

  • Constructing Lyapunov-Krasovskii functionals for linear time delay systems ACC: PROCEEDINGS OF THE 2005 AMERICAN CONTROL CONFERENCE, VOLS 1-7 Papachristodoulou, A., Peet, M., Lall, S. 2005: 2845-2850

    View details for Web of Science ID 000231947703098

  • Control design for topology-independent stability of interconnected systems PROCEEDINGS OF THE 2004 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Cogill, R., Lall, S. 2004: 3717-3722

    View details for Web of Science ID 000224688300632

  • Cross-layer Energy Minimization in TDMA-based Sensor Networks. Cui, S., Madan, R., Goldsmith, A., Lall, S. 2004
  • Constructing Lyapunov Functions for Nonlinear Delay-Differential Equations using Semidefinite Programming. Peet, M., Lall, S. 2004
  • An Energy-Optimal Algorithm for Neighbor Discovery in Wireless Sensor Networks. Madan, R., Lall, S. 2004
  • An Approximate Dynamic Programming Approach to Decentralized Control of Stochastic Systems Cogill, R., Rotkowitz, M., Roy, B., Van, Lall, S. 2004
  • A Distributed Algorithm for Maximum Lifetime Routing in Ad Hoc Wireless Networks. Madan, R., Lall, S. 2004
  • Multi-Step Motion Planning for Free-Climbing Robots. Bretl, T., Lall, S., Latombe, J., C., Rock, S. 2004
  • Decentralized Stochastic Decision Problems and Polynomial Optimization. Cogill, R., Lall, S. 2004
  • Distributed algorithms for maximum lifetime routing in wireless sensor networks GLOBECOM '04: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6 Madan, R., Lall, S. 2004: 748-753

    View details for Web of Science ID 000226689900143

  • Decentralized control subject to communication and propagation delays 2004 43RD IEEE CONFERENCE ON DECISION AND CONTROL (CDC), VOLS 1-5 Rotkowitz, M., Lall, S. 2004: 4990-4997

    View details for Web of Science ID 000226745604080

  • Control of distributed discrete-time systems on graphs PROCEEDINGS OF THE 2004 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Chen, B. D., Lall, S. 2004: 2251-2256

    View details for Web of Science ID 000224688300384

  • On global stability of Internet congestion control 2004 43RD IEEE CONFERENCE ON DECISION AND CONTROL (CDC), VOLS 1-5 Peet, M., Lall, S. 2004: 1035-1041

    View details for Web of Science ID 000226745600172

  • Topology independent controller design for networked systems 2004 43RD IEEE CONFERENCE ON DECISION AND CONTROL (CDC), VOLS 1-5 Cogill, R., Lall, S. 2004: 1788-1793

    View details for Web of Science ID 000226745601113

  • On computation of optimal controllers subject to quadratically invariant sparsity constraints PROCEEDINGS OF THE 2004 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Rotkowitz, M., Lall, S. 2004: 5659-5664

    View details for Web of Science ID 000224688300961

  • Structure-preserving model reduction for mechanical systems Lall, S., Krysl, P., Marsden, J. E. ELSEVIER SCIENCE BV. 2003: 304-318

    View details for DOI 10.1016/S0167-2789(03)00227-6

    View details for Web of Science ID 000186123600019

  • Error-bounds for balanced model-reduction of linear time-varying systems IEEE TRANSACTIONS ON AUTOMATIC CONTROL Lall, S., Beck, C. 2003; 48 (6): 946-956

    View details for DOI 10.1109/TAC.2003.812779

    View details for Web of Science ID 000183512100003

  • Decentralized control of unstable systems and quadratically invariant information constraints 42ND IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-6, PROCEEDINGS Rotkowitz, M., Lall, S. 2003: 2865-2871

    View details for Web of Science ID 000189434100494

  • On Structured Semidefinite Programs for the Control of Symmetric Systems. Cogill, R., Lall, S., Parrilo, P., A. 2003
  • Semidefinite programming relaxations and algebraic optimization in control Parrilo, P. A., Lall, S. LAVOISIER. 2003: 307-321

    View details for Web of Science ID 000185242900013

  • Dissipation inequalities for distributed systems on graphs 42ND IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-6, PROCEEDINGS Chen, B. D., Lall, S. 2003: 3084-3090

    View details for Web of Science ID 000189434100531

  • A subspace approach to balanced truncation for model reduction of nonlinear control systems INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL Lall, S., Marsden, J. E., Glavaski, S. 2002; 12 (6): 519-535

    View details for DOI 10.1002/rnc.657

    View details for Web of Science ID 000175249100002

  • Decentralized control information structures preserved under feedback PROCEEDINGS OF THE 41ST IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-4 Rotkowitz, M., Lall, S. 2002: 569-575

    View details for Web of Science ID 000181352300102

  • An LMI solution to the robust synthesis problem for multi-rate sampled-data systems AUTOMATICA Lall, S., Dullerud, G. 2001; 37 (12): 1909-1922

    View details for Web of Science ID 000171914000003

  • Dimensional model reduction in non-linear finite element dynamics of solids and structures INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING Krysl, P., Lall, S., Marsden, J. E. 2001; 51 (4): 479-504

    View details for Web of Science ID 000168513200005

  • Dimensional Model Reduction in Non-Linear Finite Element Dynamics of Solids and Structures. International Journal for Numerical Methods in Engineering Krysl, P., Lall, S., Marsden, J., E. 2001; 51 (4): 479--504
  • A new approach for analysis and synthesis of time-varying systems IEEE TRANSACTIONS ON AUTOMATIC CONTROL Dullerud, G. E., Lall, S. 1999; 44 (8): 1486-1497

    View details for Web of Science ID 000081935600001

  • Asynchronous hybrid systems with jumps - analysis and synthesis methods SYSTEMS & CONTROL LETTERS Dullerud, G. E., Lall, S. 1999; 37 (2): 61-69

    View details for Web of Science ID 000081103700001

  • Empirical Model Reduction of Controlled Nonlinear Systems. Lall, S., Marsden, J., E., Glavaski, S. 1999
  • Model Reduction of Complex Systems in the Linear-Fractional Framework. Lall, S., Beck, C. 1999
  • Model Reduction for Analysis of Cascading Failures in Power Systems. Parrilo, P., A., Lall, S., Paganini, F., Verghes, G., C., Lesieutre, B., C., Marsden, J., E. 1999
  • Asynchronous Hybrid Systems with Jumps -- Analysis and Synthesis Methods. Systems and Control Letters Dullerud, G., Lall, S. 1999; 37 (2): 61--69
  • A New Approach for Analysis and Synthesis of Time-Varying Systems. IEEE Transactions on Automatic Control Dullerud, G., Lall, S. 1999; 44 (8): 1486--1497
  • Convex l_2 Synthesis for Multidimensional Systems. CDC D'Andrea, R., Dullerud, G., Lall, S. 1998: 1883--1888
  • Guaranteed error bounds for model reduction of linear time-varying systems PROCEEDINGS OF THE 1998 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Lall, S., Beck, C., Dullerud, G. 1998: 634-638

    View details for Web of Science ID 000075568200135

  • Convex l(2) synthesis for multidimensional systems PROCEEDINGS OF THE 37TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-4 D'Andrea, R., Dullerud, G. E., Lall, S. 1998: 1883-1888

    View details for Web of Science ID 000079708900372

  • Control of spatially varying distributed systems PROCEEDINGS OF THE 37TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-4 Dullerud, G. E., D'Andrea, R., Lall, S. G. 1998: 1889-1893

    View details for Web of Science ID 000079708900373

  • Guaranteed Error Bounds for Model Reduction of Linear Time-Varying Systems. Lall, S., Beck, C., Dullerud, G. 1998
  • Control of Spatially-Varying Distributed Systems. Dullerud, G., D'Andrea, R., Lall, S. 1998
  • H-infinity Synthesis for Multi-Rate Hybrid Systems. Lall, S., Dullerud, G. 1997
  • H-infinity synthesis for hybrid systems with jumps PROCEEDINGS OF THE 1997 AMERICAN CONTROL CONFERENCE, VOLS 1-6 Dullerud, G. E., Lall, S. G. 1997: 1672-1676

    View details for Web of Science ID A1997BJ29B00358

  • H-infinity synthesis for multi-rate hybrid systems PROCEEDINGS OF THE 36TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-5 Lall, S. G., Dullerud, G. E. 1997: 2035-2040

    View details for Web of Science ID 000072164400406

  • Analysis and synthesis tools for time-varying systems PROCEEDINGS OF THE 36TH IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-5 Dullerud, G. E., Lall, S. G. 1997: 4543-4548

    View details for Web of Science ID 000072164400892

  • H-infinity synthesis for hybrid systems with jumps. Dullerud, G., Lall, S. 1997
  • Localized Optimal Control of Spatiotemporal Chaos. Grigoriev, R., Lall, S., Dullerud, G. 1997
  • Analysis and Synthesis Tools for Time-Varying Systems. Dullerud, G., Lall, S. 1997
  • Quasi-Decentralised Control. Utidjian, H., Maciejowsk, J., M., Lall, S. 1995
  • Robust Performance and Adaptation Using Receding Horizon H-infinity Control of Time Varying Systems. Lall, S., Glover, K. 1995
  • Riccati Differential Inequalities: Suboptimal H-infinity Controllers for Finite Horizon Time-Varying Systems. Lall, S., Glover, K. 1995
  • Optimal Discretization of a Continuous-Time Controller. Utidjian, H., Maciejowsk, J., M., Lall, S. 1995
  • Robust Control Synthesis in the Time Domain. Cambridge University Lall, S. 1995
  • A Game Theoretic Approach to Moving Horizon Control. Advances in Model-Based Predictive Control Lall, S., Glover, K. 1994: 131--144
  • Layout Reconstruction of Complex Silicon Chips. IEEE Journal of Solid State Circuits Blythe, S., Fraboni, B., Lall, S., Ahmed, H., de Riu, U. 1993; 28 (2): 138--145