Imperial College London

ProfessorAlessandroAstolfi

Faculty of EngineeringDepartment of Electrical and Electronic Engineering

Professor of Non-Linear Control Theory
 
 
 
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Contact

 

+44 (0)20 7594 6289a.astolfi Website

 
 
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Assistant

 

Miss Michelle Hammond +44 (0)20 7594 6281

 
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Location

 

1110AElectrical EngineeringSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

482 results found

Ascencio P, Astolfi A, Parisini T, 2018, Backstepping PDE Design: A Convex Optimization Approach, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 63, Pages: 1943-1958, ISSN: 0018-9286

JOURNAL ARTICLE

Astolfi A, 2018, A New Beginning Within a Solid Tradition, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 63, Pages: 1-2, ISSN: 0018-9286

JOURNAL ARTICLE

Astolfi A, 2018, Some Closing Statements, EUROPEAN JOURNAL OF CONTROL, Vol: 40, Pages: 88-88, ISSN: 0947-3580

JOURNAL ARTICLE

Di Franco P, Scarciotti G, Astolfi A, 2018, A globally stable convergent algorithm for the integration of constrained mechanical systems, Pages: 2090-2095, ISSN: 0743-1619

© 2018 AACC. In this paper the problem of simulation of constrained mechanical systems is addressed. In modeling multi-body mechanical systems, the Lagrange formulation produces a redundant set of differential-algebraic equations, the integration of which can lead to several difficulties, for example the drift of the 'constraint violation'. One of the most popular approaches to alleviate this issue is the so-called Baumgarte's method that relies on a linear feedback mechanism. This method can however lead to numerical instabilities when applied to nonlinear (mechanical) systems. The objective of this study is to propose a new method that ensures existence of solutions and makes the constraint manifold asymptotically attractive. The proposed technique is illustrated by means of a simple example.

CONFERENCE PAPER

He W, Soriano-Rangel CA, Ortega R, Astolfi A, Mantilla-David F, Li Set al., 2018, Energy shaping control for buck-boost converters with unknown constant power load, CONTROL ENGINEERING PRACTICE, Vol: 74, Pages: 33-43, ISSN: 0967-0661

JOURNAL ARTICLE

Di Franco P, Scarciotti G, Astolfi A, 2017, A note on the stability of nonlinear differential-algebraic systems, 20th World Congress of the International-Federation-of-Automatic-Control (IFAC), Publisher: ELSEVIER SCIENCE BV, Pages: 7421-7426, ISSN: 2405-8963

CONFERENCE PAPER

Di Franco P, Scarciotti G, Astolfi A, 2017, On the stability of constrained mechanical systems, IEEE 56th Annual Conference on Decision and Control (CDC), Publisher: IEEE, ISSN: 0743-1546

CONFERENCE PAPER

Jiang J, Astolfi A, 2017, Shared-Control for a Rear-Wheel Drive Car: Dynamic Environments and Disturbance Rejection, IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS, Vol: 47, Pages: 723-734, ISSN: 2168-2291

JOURNAL ARTICLE

Jiang J, Astolfi A, 2017, A Lateral Control Assistant for the Dynamic Model of Vehicles Subject to State Constraints, IEEE 56th Annual Conference on Decision and Control (CDC), Publisher: IEEE, ISSN: 0743-1546

CONFERENCE PAPER

Jiang J, Evangelou SA, Torquil MR, Astolfi Aet al., 2017, Robust H-infinity Control for Autonomous Scooters, IFAC PAPERSONLINE, Vol: 50, Pages: 297-302, ISSN: 2405-8963

JOURNAL ARTICLE

Mylvaganam T, Astolfi A, 2017, Zero Finding via Feedback Stabilisation, 20th World Congress of the International-Federation-of-Automatic-Control (IFAC), Publisher: ELSEVIER SCIENCE BV, Pages: 8133-8138, ISSN: 2405-8963

CONFERENCE PAPER

Mylvaganam T, Sassano M, Astolfi A, 2017, A Differential Game Approach to Multi-agent Collision Avoidance, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 62, Pages: 4229-4235, ISSN: 0018-9286

JOURNAL ARTICLE

Padoan A, Astolfi A, 2017, Moments of random variables: a system-theoretic interpretation, American Control Conference (ACC), Publisher: IEEE, Pages: 1035-1040, ISSN: 0743-1619

CONFERENCE PAPER

Padoan A, Astolfi A, 2017, Model Reduction by Moment Matching at Isolated Singularities for Linear Systems: a Geometric Approach, IEEE 56th Annual Conference on Decision and Control (CDC), Publisher: IEEE, ISSN: 0743-1546

CONFERENCE PAPER

Padoan A, Astolfi A, 2017, Eigenvalues and Poles of Nonlinear Systems: a Geometric Approach, IEEE 56th Annual Conference on Decision and Control (CDC), Publisher: IEEE, ISSN: 0743-1546

CONFERENCE PAPER

Padoan A, Astolfi A, 2017, Model reduction by moment matching at isolated singularities for linear systems: a complex analytic approach, 20th World Congress of the International-Federation-of-Automatic-Control (IFAC), Publisher: ELSEVIER SCIENCE BV, Pages: 6350-6354, ISSN: 2405-8963

CONFERENCE PAPER

Padoan A, Scarciotti G, Astolfi A, 2017, A Geometric Characterization of the Persistence of Excitation Condition for the Solutions of Autonomous Systems, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 62, Pages: 5666-5677, ISSN: 0018-9286

JOURNAL ARTICLE

Sassano M, Astolfi A, 2017, Is any SISO controllable and observable system dynamically passifiable and/or L-2-stabilizable?, IEEE 56th Annual Conference on Decision and Control (CDC), Publisher: IEEE, ISSN: 0743-1546

CONFERENCE PAPER

Scarciotti G, Astolfi A, 2017, Data-driven model reduction by moment matching for linear and nonlinear systems, AUTOMATICA, Vol: 79, Pages: 340-351, ISSN: 0005-1098

JOURNAL ARTICLE

Scarciotti G, Astolfi A, 2017, A review on model reduction by moment matching for nonlinear systems, Lecture Notes in Control and Information Sciences, Pages: 29-52

© 2017, Springer International Publishing AG. The model reduction problem for nonlinear systems and nonlinear time-delay systems based on the steady-state notion of moment is reviewed. We show how this nonlinear description of moment is used to pose and solve the model reduction problem by moment matching for nonlinear systems, to develop a notion of frequency response for nonlinear systems, and to solve model reduction problems in the presence of constraints on the reduced order model. Model reduction of nonlinear time-delay systems is then discussed. Finally, the problem of approximating the moment of nonlinear, possibly time-delay, systems from input/output data is briefly illustrated.

BOOK CHAPTER

Scarciotti G, Astolfi A, 2017, Nonlinear Model Reduction by Moment Matching, FOUNDATIONS AND TRENDS IN SYSTEMS AND CONTROL, Vol: 4, Pages: I-+, ISSN: 2325-6818

JOURNAL ARTICLE

Scarciotti G, Teel AR, Astolfi A, 2017, Model reduction for linear differential inclusions: moment-set and time-variance, American Control Conference (ACC), Publisher: IEEE, Pages: 3483-3487, ISSN: 0743-1619

CONFERENCE PAPER

Ascencio P, Astolfi A, Parisini T, 2016, An Adaptive Observer for a class of Parabolic PDEs based on a Convex Optimization Approach for Backstepping PDE Design, American Control Conference (ACC), Publisher: IEEE, Pages: 3429-3434, ISSN: 0743-1619

CONFERENCE PAPER

Ascencio P, Astolfi A, Parisini T, 2016, Backstepping PDE-Based Adaptive Observer for a Single Particle Model of Lithium-Ion Batteries, 55th IEEE Conference on Decision and Control (CDC), Publisher: IEEE, Pages: 5623-5628, ISSN: 0743-1546

CONFERENCE PAPER

Bauso D, Mylvaganam T, Astolfi A, 2016, Crowd-Averse Robust Mean-Field Games: Approximation via State Space Extension, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 61, Pages: 1882-1894, ISSN: 0018-9286

JOURNAL ARTICLE

Carnevale D, Galeani S, Sassano M, Astolfi Aet al., 2016, Robust hybrid estimation and rejection of multi-frequency signals, INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING, Vol: 30, Pages: 1649-1673, ISSN: 0890-6327

JOURNAL ARTICLE

Chang H, Moog C, Astolfi A, 2016, Occurrence of HIV eradication for preexposure prophylaxis treatment with a deterministic HIV model, IET SYSTEMS BIOLOGY, Vol: 10, Pages: 237-243, ISSN: 1751-8849

JOURNAL ARTICLE

Ionescu TC, Astolfi A, 2016, Nonlinear Moment Matching-Based Model Order Reduction, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 61, Pages: 2837-2847, ISSN: 0018-9286

JOURNAL ARTICLE

Jiang J, Astolfi A, 2016, Shared-Control for Typical Driving Scenarios, European Control Conference (ECC), Publisher: IEEE, Pages: 939-944

CONFERENCE PAPER

Jiang J, Astolfi A, 2016, State and Output-Feedback Shared-Control for a Class of Linear Constrained Systems, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 61, Pages: 3209-3214, ISSN: 0018-9286

JOURNAL ARTICLE

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