Roger W. Brockett

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Nicola J. Ferrier, Roger W. Brockett, Nicola J. Ferrier, Roger W. Brockett

In this paper, we study the problem of determining a mathematical description of the surface defined by the shape of a membrane based on an image of it and present an algorithm for reconstructing the...

IEEE Int'l Conf. on Robotics and Automation, 2000 The performance of a deformable-membrane tactile sensor: basic results on geometrically-de ned tasks. (2007)

Dimitris Hristu, Nicola Ferrier, Roger W. Brockett

The limitations of rigid ngertips in the precise and algorithmic study of manipulation have been discussed in many works, some dating back more than a decade. Despite that fact, much of the work in...

Abstract Control in an Information Rich World Report of the Panel on Future Directions in Control, Dynamics, and Systems (2007)

Karl J. ˚aström, Stephen P. Boyd, Roger W. Brockett, John A. Burns, Munzer A. Dahleh

The field of control provides the principles and methods used to design engineering systems that maintain desirable performance by automatically adapting to changes in the environment. Over the last...

Future Directions in Control in an Information-Rich World (2007)

Stephen P. Boyd, Roger W. Brockett, Gunter Stein

provide a renewed vision of future challenges and opportunities in the field, along with recommendations to government agencies, universities, and research organizations to ensure continued

Harvard University (2007)

Anthony M. Bloch, Roger W. Brockett, Peter E. Crouch

In this paper we consider the geometry of Hamiltonian flows on the cotangent bundle of coadjoint orbits of compact Lie groups and on symmetric spaces. A key idea here is the use of the normal metric...

Abstract Control in an Information Rich World Report of the Panel on Future Directions in Control, Dynamics, and Systems (2007)

Karl J. ˚aström, Stephen P. Boyd, Roger W. Brockett, John A. Burns, Munzer A. Dahleh

The field of control provides the principles and methods used to design physical and information systems that maintain desirable performance by sensing and automatically adapting to changes in the...

NUMERICAL SIMULATION OF THE ATTITUDE EQUATIONS OF A SATELLITE CONTAINING DAMPING ROTORS AND A REACTION WHEEL. (2005)

Brockett,Roger W., Brody,Naomi M.

This report describes a program for simulating the motion of a rigid body containing a reaction wheel, damping media and torquing (magnetic or otherwise). The dynamical equations are simulated in...

A Scaling Theory for Linear Systems, (2005)

Brockett,Roger W., Krishnaprasad,P. S.

Prepared in cooperation with Case Western Reserve Univ., Cleveland, OH. Dept. of Systems and Computer Engineering. Sponsored in part by Grant NSG-2265.

Experimenting with Hybrid Control (2002)

Dimitrios Hristu-varsakelis, Roger W. Brockett

Recently developed experimental and numerical environments have helped breathe life into the various control theories found in textbooks and have thereby greatly changed the educational experience of...

Abstract Control in an Information Rich World Report of the Panel on Future Directions in Control, Dynamics, and Systems (2002)

Karl J. ˚aström, Stephen P. Boyd, Roger W. Brockett, John A. Burns, Munzer A. Dahleh

The field of control provides the principles and methods used to design physical and information systems that maintain desirable performance by sensing and automatically adapting to changes in the...

Experimenting with Hybrid Control (2000)

Brockett, Roger W., Hristu, Dimitris

There is a growing realization among educators andemployers that students of automatic control should be encouraged tothink of the subject in broader terms. The systems approach shouldembrace...

Experimenting with Hybrid Control (2000)

Brockett, Roger W., Hristu, Dimitrios

There is a growing realization among educators andemployers that students of automatic control should be encouraged tothink of the subject in broader terms. The systems approach shouldembrace...

Nonlinear feedback systems perturbed by noise: steady-state probability distributions and optimal control (2000)

Daniel Liberzon, Roger W. Brockett

Abstract—In this paper we describe a class of nonlinear feedback systems perturbed by white noise for which explicit formulas for steady-state probability densities can be found. We show that this...

Quantized feedback stabilization of linear systems (2000)

Roger W. Brockett, Daniel Liberzon

Abstract—This paper addresses feedback stabilization problems for linear time-invariant control systems with saturating quantized measurements. We propose a new control design methodology, which...

Spectral analysis of Fokker-Planck and related operators arising from linear stochastic differential equations (2000)

Daniel Liberzon, Roger W. Brockett

Abstract. We study spectral properties of certain families of linear second-order differential operators arising from linear stochastic differential equations. We construct a basis in the Hilbert...

Nonlinear feedback systems perturbed by noise: steady-state probability distributions and optimal control (2000)

Daniel Liberzon, Roger W. Brockett

Abstract—In this paper we describe a class of nonlinear feedback systems perturbed by white noise for which explicit formulas for steady-state probability densities can be found. We show that this...

Nonlinear feedback systems perturbed by noise: steady-state probability distributions and optimal control (2000)

Daniel Liberzon, Roger W. Brockett

Abstract. We describe a class of nonlinear feedback systems perturbed by white noise for which explicit formulas for steady-state probability densities can be found. We show that this class includes...

Reconstructing the Shape of a Deformable Membrane from Image Data (2000)

Nicola J. Ferrier, Roger W. Brockett

In this paper, we study the problem of determining a mathematical description of the surface defined by the shape of a membrane based on an image of it and present an algorithm for reconstructing the...

Nonlinear Feedback Systems Perturbed By Noise: Steady-State Probability Distributions And Optimal Control (2000)

Daniel Liberzon, Roger W. Brockett

. In the first part of the paper we study the question of existence of steadystate probability distributions for systems perturbed by white noise. We describe a class of nonlinear feedback systems...

The Performance of a Deformable-Membrane Tactile Sensor: Basic Results on Geometrically-Defined Tasks (1999)

Hristu, Dimitris, Ferrier, Nicola J., Brockett, Roger W.

The limitations of rigid fingertips in the precise andalgorithmic study of manipulation have been discussed in many works,some dating back more than a decade. Despite that fact, much of thework in...

The Performance of a Deformable-Membrane Tactile Sensor: Basic Results on Geometrically-Defined Tasks (1999)

Hristu, Dimitrios, Ferrier, Nicola J., Brockett, Roger W.

The limitations of rigid fingertips in the precise andalgorithmic study of manipulation have been discussed in many works,some dating back more than a decade. Despite that fact, much of thework in...

Nonholonomic control based on approximate inversion (1999)

Kristi A. Morgansen, Roger W. Brockett

A variety of simple mechanical systems are known to exploit nonholonomic eects to achieve their goals. Theories describing the operation of such systems have been developed and applied, especially in...

Systems with finite communication bandwidth constraints II: Stabilization with limited information feedback (1999)

Wing Shing Wong, Roger W. Brockett

Abstract — In this paper, we investigate a state estimation problem involving finite communication capacity constraints. Unlike classical estimation problems where the observation is a continuous...

Attitude Control Dynamics for LES-8/9. (1998)

Smith,Norval P., Brockett,Roger W.

HUSETTS INST OF TECH LEXINGTON LINCOLN LABAttitude Control Dynamics for LES-8/9.Technical note,Smith,Norval P. ;Brockett,Roger W. ;TN-1973-27F19628-73-C-0002AF-649LESDTR-73-232(*satellite attitude,...

Design of an Autonomous Stationkeeping Controller for LES-8/9. (1998)

Srivastava,Sushanta, Brockett,Roger W.

The report describes the design of the controller and digital filter for the LES-8/9 autonomous stationkeeping system. The design goals are to maintain a station with plus or minus 0.15 deg. accuracy...

Light Weight High Performance Manipulators. (1998)

Brockett, Roger W.

In this work we explored the design of high strength low weight actuators based on vibratory kinematics. We developed a mathematical model for a linear motor based on standing wave vibrations and...

Modeling and Control Strategies for Autonomous Robotic Systems. (1998)

Brockett, Roger W.

The work done under this contract resulted in the development of new models for studying frictional effects in the drive mechanism for robots and new methods of simulating these effects.

The Design and Control of Smart Structures (1998)

Brockett, Roger W., Krishnaprasad, P. S., Baillieul, John

This is the final report of the Boston University, Harvard University and University of Maryland MURI on Design and Control of Smart Structures. The report contains a summary of results obtained from...

The Performance of a Deformable-Membrane Tactile Sensor: Basic Results on Geometrically-Defined Tasks (1998)

Hristu, Dimitris, Ferrier, Nicola J., Brockett, Roger W.

The limitations of rigid fingertips in the precise and algorithmic study of manipulation have been discussed in many works, some dating back more than a decade. Despite that fact, much of the work in...

Quantized feedback systems perturbed by white noise (1998)

Roger W. Brockett, Daniel Liberzon

This paper is concerned with a class of nonlinear feedback systems perturbed by white noise, for which the nonlinearity takes the form of a piecewise constant function of a certain type. We obtain...

On explicit steady-state solutions of Fokker-Planck equations for a class of nonlinear feedback systems (1998)

Roger W. Brockett, Daniel Liberzon

We study the question of existence of steady-state probability distributions for systems perturbed by white noise. We describe a class of nonlinear feedback systems for which an explicit formula for...

Double Bracket Equations and Geodesic Flows on Symmetric Spaces (1997)

Brockett, Roger W., Crouch, Peter E., Bloch, Anthony M.

In this paper we consider the geometry of Hamiltonian flows on the cotangent bundle of coadjoint orbits of compact Lie groups and on symmetric spaces. A key idea here is the use of the normal metric...

On the stability of nonlinear feedback systems (1964)

Roger W. Brockett, Daniel Liberzon

On explicit steady-state solutions of Fokker-Planck equations

Quantized Feedback Stabilization of Linear Systems

Roger W. Brockett, Daniel Liberzon

We address feedback stabilization problems for linear time-invariant control systems with saturating quantized measurements. Problems of this kind arise, for example, when the output measurements to...

Spectral Analysis Of Fokker-Planck And Related Operators Arising From Linear Stochastic Differential Equations

Daniel Liberzon, Roger W. Brockett

. We study spectral properties of certain families of linear second-order differential operators arising from linear stochastic differential equations. We construct a basis in the Hilbert space of...