Imperial College London
Portrait Picture

ProfessorAlessandroAstolfi

Faculty of Engineering, Department of Electrical and Electronic Engineering

College Consul for Faculty of Engineering & Business School
 
 
 
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Contact

 

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

 
 
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Assistant

 

Mrs Raluca Reynolds +44 (0)20 7594 6281

 
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Location

 

1112Electrical EngineeringSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

685 results found

Ortega R, Galaz M, Astolfi A, Sun YZ, Shen TLet al., 2005, Transient stabilization of multimachine power systems with nontrivial transfer conductances, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 50, Pages: 60-75, ISSN: 0018-9286

Journal article

Praly L, Astolfi A, 2005, Global asymptotic stabilization by output feedback under a state norm detectability assumption, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Publisher: IEEE, Pages: 2634-2639

Conference paper

Karagiannis D, Astolfi A, 2005, A new solution to the problem of range identification in perspective vision systems, Automatic Control, IEEE Transactions on, Vol: 50, Pages: 2074-2077, ISSN: 0018-9286

Journal article

Luis D, Astolfi A, Kershenbaum LK, 2005, Application of a Lyapunov-based nonlinear controller to a reactor with highly exothermic reactions, AIChE Annual Meeting, Cincinnati, OH

Conference paper

Angeli D, Astolfi A, 2005, A tight small gain theorem for not necessarily ISS systems, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 5427-5431

Conference paper

Casagrande D, Astolfi A, Parisini T, 2005, A stabilizing time-switching control strategy for the rolling sphere, 44th IEEE Conference on Decision Control/European Control Conference (CCD-ECC), Publisher: IEEE, Pages: 3297-3302, ISSN: 0191-2216

Conference paper

Casagrande D, Astolfi A, Parisini T, 2005, Control of nonholonomic systems: a simple stabilizing time-switching strategy, IFAC World Congress

Conference paper

Karagiannis D, Astolfi A, 2005, Nonlinear observer design using invariant manifolds and applications, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 7775-7780

Conference paper

Karagiannis D, Astolfi A, 2005, Nonlinear observer design using invariant manifolds and applications, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 7775-7780

Conference paper

Karagiannis D, Ortega R, Astolfi A, 2005, Nonlinear adaptive stabilization via system immersion: control design and applications, Berlin, Advanced topics in control systems theory, Publisher: Springer-Verlag Berlin, Pages: 1-21, ISSN: 1053-587X

Conference paper

de Rinaldis A, Astolfi A, Ortega R, Spong MWet al., 2005, A switched-resistors implementation of compensators for wave reflections in transmission lines, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 4342-4347

Conference paper

Casagrande D, Astolfi A, Parisini T, 2005, Control of nonholonomic systems: a simple stabilizing time-switching strategy, 16th IFAC World Congress

Conference paper

Karagiannis D, Astolfi A, Ortega R, 2005, Nonlinear stabilization via system immersion and manifold invariance: Survey and new results, MULTISCALE MODELING & SIMULATION, Vol: 3, Pages: 801-817, ISSN: 1540-3459

Journal article

Astolfi A, Colaneri P, 2005, A globally convergent algorithm for minimization of quadratic functions on compact and convex sets, SIAM Conference on Optimization

Conference paper

Colaneri P, Geromel JC, Astolfi A, 2005, Stabilization of continuous-time nonlinear switched systems, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 3309-3314

Conference paper

Karagiannis D, Astolfi A, 2005, Rotor resistance estimation for current-fed induction motors, IFAC World Congress

Conference paper

Escobar G, Ortega R, Astolfi A, Martinez MF, Leyva-Ramos Jet al., 2005, A repetitive based controller for a shunt active filter to compensate for reactive power and harmonic distortion, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 6480-6485

Conference paper

Karagiannis D, Astolfi A, 2005, A new solution to the problem of range identification in perspective vision systems, Automatic Control, IEEE Transactions on, Vol: 50, Pages: 2074-2077, ISSN: 0018-9286

Journal article

Laila DS, Astolfi A, 2005, Discrete-time time-varying robust stabilization for systems in power form, IFAC World Congress

Conference paper

Karagiannis D, Ortega R, Astolfi A, 2005, Nonlinear adaptive stabilization via system immersion: Control design and applications, ADVANCED TOPICS IN CONTROL SYSTEMS THEORY, Vol: 311, Pages: 1-21, ISSN: 0170-8643

Journal article

Laila DS, Astolfi A, 2005, Discrete-time IDA-PBC design for separable hamiltonian systems, IFAC World Congress

Conference paper

Rodríguez H, Ortega R, Astolfi A, 2005, Adaptive partial state feedback control of the DC-to-DC Cuk converter, American Control Conference 2005 (ACC), Publisher: IEEE, Pages: 5121-5126, ISSN: 0743-1619

Conference paper

Casagrande D, Astolfi A, Parisini T, 2005, A stabilizing time-switching control strategy for the rolling sphere, 44th IEEE Conference on decision and control, 2005 and 2005 European Control Conference (CDC-ECC '05), 12-15 December 2005, Seville, Spain, Pages: 3297-3302

Conference paper

Astolfi A, Kaliora G, 2005, A geometric characterization of feedforward forms, IEEE Transactions on Automatic Control, Vol: 50, Pages: 1016-1020, ISSN: 0018-9286

Journal article

Kaliora G, Astolfi A, 2004, Nonlinear control of feedforward systems with bounded signals, IEEE TRANSACTIONS ON AUTOMATIC CONTROL, Vol: 49, Pages: 1975-1990, ISSN: 0018-9286

Journal article

Astolfi A, Colaneri P, 2004, A note on the existence of positive realizations, LINEAR ALGEBRA AND ITS APPLICATIONS, Vol: 390, Pages: 329-343, ISSN: 0024-3795

Journal article

Lovera M, Astolfi A, 2004, Spacecraft attitude control using magnetic actuators, AUTOMATICA, Vol: 40, Pages: 1405-1414, ISSN: 0005-1098

Journal article

Astolfi A, Bolzern P, Locatelli A, 2004, Path-tracking of a tractor-trailer vehicle along rectilinear and circular paths: A Lyapunov-based approach, 6th European Control Conference (ECC 01), Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, Pages: 154-160, ISSN: 1042-296X

Conference paper

Acosta JA, Ortega R, Astolfi A, 2004, Position-feedback stabilization of mechanical systems with undrractuation degree one, Pages: 985-990, ISSN: 1474-6670

We consider in this paper the problem of (asymptotic) stabilisation, via position feedback, of mechanical systems with undcractuation degree one. A full stale-feedback design is first derived applying Interconnection and Damping Assignment Passivity-Based Control to which an Immersion and Invariance speed estimator is then added. The technique is applied to obtain an (almost) globally stabilizing scheme for the vertical takeoff and landing aircraft with strong input coupling, and a controller for the chariot with the pendulum that can swing-up the pendulum from any position in the upper half plane and stop the chariot at any desired location. In both cases we obtain very simple and intuitive position-feedback solutions that do not rely on, rather unnatural and techniquedriven, linearization or decoupling procedures but instead endows the closed-loop system with a Hamillonian structure with desired potential and kinetic energy functions.

Conference paper

Karagiannis D, Astolfi A, 2004, Nonlinear adaptive control of systems in feedback form: An alternative to adaptive backstepping, Pages: 67-72, ISSN: 1474-6670

In this paper we propose a new recursive algorithm for the regulation via state feedback of systems in so-called parametric feedback form. The algorithm resembles the well-known adaptive backstepping approach, but differs in the way the parameter estimator is constructed and in the way the nonlinear gains are assigned. A comparative case study is presented, highlighting the advantages of the proposed methodology.

Conference paper

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