Andrew D. Lewis's Talks

The listing is roughly in reverse chronological order. The "Last Updated" tag means the last time the pdf files were updated, not the TeX files.

2016b
Title: Tautological control systems
Detail: Geometric Methods in Mechanics and Control With Applications, Canadian Mathematical Society Summer Meeting, Edmonton, AB, 2016/06/26

2016a
Title: Control theory may be different than you think it is
Detail: Keynote address, CDSR'16, University of Ottawa, 2016/05/09

2015b
Title: Tautological control systems
Detail: Nonlinear Control and Geometry, Banach Center Conference, Będlewo, Poland, 2015/08/24

2015a
Title: Tautological control systems
Detail: Informal Systems Seminar, McGill University, 2015/02/27

2014b
Title: Tautological control systems
Detail: 53rd IEEE Conference on Decision and Control, Los Angeles, 2014/12/17

2013b
Title: Mathematical models for control systems
Detail: Workshop on Control and Observation of Nonlinear Control Systems with Application to Medicine, University of Hawaii, 2013/09/06

2013a
Title: Some interesting things about real analyticity
Detail: UCSB CCDC Workshop on Vistas in Control (aka, A Birthday Party for Richard Murray), University of California, Santa Barbara, 2013/05/03

2012c
Title: Fundamental problems of geometric control theory
Detail: 51st IEEE Conference on Decision and Control, Maui, 2012/12/13

2012b
Title: Fundamental problems in geometric control theory
Detail: Colloquium, Department of Mathematics, Universidad Carlos III de Madrid, 2012/05/24

2012a
Title: Why are the theories of controllability and stabilisability so different, and should they be?
Detail: 5th Biennial Meeting on Systems and Control Theory, 2012/05/07

2010b
Title: Differential geometric methods for the control of mechanical systems
Detail: CRM Applied Mathematics Seminar, 2010/11/01

2009a
Title: Differential geometry, control theory, and mechanics
Detail: Department of Mechanical Engineering, Johns Hopkins University, 2009/02/19

2008d
Title: Jet bundles and algebro-geometric characterisations for controllability of affine systems
Detail: 47th IEEE Conference on Decision and Control, Cancun, 2008/12/09

2008c
Title: The local structure of affine systems
Detail: AMS-SBM Joint International Meeting, IMPA, Rio de Janeiro, Brazil, 2008/06/05

2008b
Title: Controllability: A brief revisionist tutorial
Detail: Meeting on Nonlinear Control Theory and its Applications, Waterloo ON, 2008/05/08

2008a
Title: Mathematics from applied mathematics
Detail: Math Club, 2008/04/03

2007a
Title: Some results on energy shaping feedback
Detail: Geometric Mechanics: Continuous and Discrete, Finite and Infinite Dimensional, Banff International Research Station, 2007/08/13

2006e
Title: An example with interesting controllability and stabilisation properties
Detail: 45th IEEE Conference on Decision and Control, San Diego, 2006/12/14

2006d
Title: Potential energy shaping after kinetic energy shaping
Detail: 45th IEEE Conference on Decision and Control, San Diego, 2006/12/14

2006b
Title: Energy shaping
Detail: Meeting on Nonlinear Control Theory and its Applications, Toronto ON, 2006/05/04

2006a
Title: Control theory without controls
Detail: AMS Joint Mathematics Meeting, San Antonio, 2006/01/15

2005e
Title: Control of mechanical systems
Detail: Department of Mathematics, University of Hawaii, 2005/12/14

2005d
Title: Problems and partial results in energy shaping
Detail: Laboratoire des Signaux et Systémes, Centre National de la Recherche Scientifique, Supélec, 2005/03/24

2005c
Title: Problems and challenges in control theory for mechanical systems
Detail: Facultat de Matemàtiques i Estadística, Universitat Politècnica de Catalunya, 2005/03/16

2005a
Title: Removing ``control'' from control theory
Detail: Seminari del grup de recerca sobre Geometria diferencial, sistemes dinômics i aplicacions, Depto. Matemática Aplicada IV, Universidad Politécnica de Cataluña, 2005/01/20

2004d
Title: Notes on energy shaping
Detail: 43rd IEEE Conference on Decision and Control, Bahamas, 2004/12/17

2004b
Title: Musings on controllability and stabilisability
Detail: Meeting on Nonlinear Control Theory and its Applications, Kingston, ON, 2004/05/06

2003f
Title: Jacobian linearisation in a geometric setting
Detail: 42nd IEEE Conference on Decision and Control, Maui, 2003/12/04

2003e
Title: Affine connection control systems with interesting controllability properties
Detail: 5th CSL Workshop on Future Directions in Nonlinear Control of Mechanical Systems, University of Illinois, Urbana-Champaign, 2003/10/04

2003d
Title: Some nonlinear control problems
Detail: Math 493 presentation, Queen's University, 2003/09/18

2003c
Title: The role of controllability in motion planning for affine connection control systems
Detail: First Joint AMS/RSME Meeting, Seville, Spain, 2003/06/19

2003b
Title: From controllability to motion planning for mechanical systems
Detail: 3rd International DCDIS Conference on Engineering Applications and Computational Algorithms, Guelph, ON, 2003/05/16

2003a
Title: Some mechanical systems are difficult to control
Detail: Mathematics Department, Arizona State University, 2003/04/25

2002f
Title: Geometric local controllability: second-order conditions
Detail: 41th IEEE Conference on Decision and Control, Las Vegas, NV, 2002/12/12

2002d
Title: The category of affine connection control systems
Detail: MTNS'02, South Bend, IN, 2002/08/15

2002c
Title: Controllable kinematic reductions for mechanical systems: concepts, computational tools, and examples
Detail: MTNS'02, South Bend, IN, 2002/08/15

2002b
Title: What is the characteristic polynomial of a signal flow graph?
Detail: MTNS'02, South Bend, IN, 2002/08/12

2002a
Title: Control theory for mechanical systems
Detail: The Fourth International Conference on Dynamical Systems and Differential Equations, University of North Carolina at Wilmington, 2002/05/27

2001i
Title: Geometric first-order controllability conditions for affine connection control systems
Detail: 40th IEEE Conference on Decision and Control, Orlando, FL, 2001/12/14

2001h
Title: Control for mechanical systems
Detail: Coleman-Ellis lecture, Department of Mathematics & Statistics, Queen's University, 2001/11/07

2001g
Title: Control theory for mechanical systems
Detail: Department of Applied Mathematics, University of Waterloo, 2001/10/26

2001e
Title: Contol of difficult mechanical toys
Detail: Math 493 presentation, Queen's University, 2001/09/14

2001d
Title: Optimal control for a simplified hovercraft model
Detail: SIAM Conference on Control and its Applications, San Diego, CA, 2001/07/11

2001c
Title: Sharp first-order controllability conditions for affine connection control systems
Detail: SIAM Conference on Control and its Applications, San Diego, CA, 2001/07/11

2001b
Title: Generalised splines via the maximum principle
Detail: SIAM Conference on Control and its Applications, San Diego, CA, 2001/07/11

2001a
Title: Geometric low-order controllability conditions
Detail: Department of Mathematics & Statistics, Queen's University, 2001/02/02

2000f
Title: The category of affine connection control systems
Detail: 39th IEEE Conference on Decision and Control, Sydney, Australia, 2000/12/15

2000e
Title: Applications of differential geometry to mechanical control systems
Detail: Meeting of the Seaway Section of the Mathematics Association of America, SUNY Fredonia, New York, 2000/11/04

2000d
Title: Control theory for mechanical systems
Detail: Department of Mechanical Engineering, Carnegie Mellon University, 2000/10/18

2000c
Title: Optimal control for affine connection control systems
Detail: Invited talk for the Workshop on Mathematical Control Theory and Robotics, SISSA, Trieste, Italy, 2000/07/27

2000b
Title: Affine connection control systems
Detail: Invited talk for Math 2000, Canadian Mathematical Society meeting at McMaster University, Hamilton, Ontario, 2000/06/13

2000a
Title: Affine connection control systems
Detail: Invited talk for the IFAC Workshop on Lagrangian and Hamiltonian Methods for Nonlinear Control, Princeton, NJ, 2000/03/18

1999f
Title: When is a mechanical control system kinematic?
Detail: 38th IEEE Conference on Decision and Control, Phoenix, AZ, 1999/12/07

1999a
Title: Optimal control of affine connection control systems
Detail: Workshop on Geometric and Multibody Mechanics: Nonlinear Dynamics and Control, Mathematisches Forschungsinstitut Oberwolfach, 1999/07/30

1998e
Title: Control theory for simple mechanical control systems
Detail: Coordinated Science Laboratory, University of Illinois, Urbana-Champaign, 1998/12/03

1998d
Title: Mechanical systems on homogeneous spaces
Detail: Department of Mathematics & Statistics, Queen's University, 1998/11/06

1998c
Title: Controllability of simple mechanical control systems
Detail: 13th International Workshop on Differential Geometric Methods in Theoretical Mechanics, Alden Biesen, Belgium, 1998/08/27

1998b
Title: Mechanical systems on homogeneous spaces
Detail: University of Warwick, Workshop on Hamiltonian Systems, 1998/07/17

1998a
Title: Controllability of simple mechanical control systems
Detail: Queen's University Department of Mathematics and Statistics, 1998/03/10

1997e
Title: Lagrangian reduction for simple mechanical systems with constant orbit type
Detail: Control and Dynamical Systems Seminar, California Institute of Technology, 1997/09/08

1997d
Title: Equations of motion for nonholonomic systems
Detail: Invited talk, Workshop on Non-holonomic Constraints in Dynamics, The University of Calgary, 1997/08/28

1997c
Title: Local configuration controllability for a class of mechanical systems with a single input
Detail: European Control Conference, Brussels, Belgium, 1997/07/01

1997b
Title: Control theory for mechanical systems
Detail: Simon Frasier University Department of Mathematics, 1997/02/14

1997a
Title: Mechanical systems with symmetry (in three minutes)
Detail: MIR@W Brown Bag Lunch, 1997/01/20

1996h
Title: The role of affine connections in control theory for mechanical systems
Detail: University of Warwick Department of Mathematics, 1996/10/07

1996g
Title: Controllability of Lagrangian systems
Detail: University of New Brunswick Department of Mathematics and Statistics, 1996/08/28

1996f
Title: Controllability of Lagrangian systems
Detail: MTNS '96, 1996/06/16

1996e
Title: Control of Lagrangian systems
Detail: Ohio University Department of Mechanical Engineering, 1996/05/30

1996d
Title: Affine connections and constraints
Detail: CDS 241 Seminar, 1996/05/06

1996c
Title: The role of affine connections in mechanics and control
Detail: Control and Dynamical Systems Seminar, 1996/04/22

1996b
Title: The symmetric product in geometry, mechanics, and control theory
Detail: New Mexico State University Department of Mathematical Sciences, 1996/02/20

1995d
Title: Controllability of simple mechanical control systems
Detail: 34th IEEE Conference on Decision and Control, 1995/12/15

1995c
Title: Controllability of Lagrangian control systems
Detail: AFOSR kick off meeting, 1995/07/27

1995b
Title: Controllability of Lagrangian control systems
Detail: University of Victoria Department of Mechanical Engineering, 1995/06/09

1995a
Title: Controllability of mechanical control systems
Detail: Thesis presentation, 1995/04/21


Andrew D. Lewis (andrew at mast.queensu.ca)