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Personal research
Context
Main topic: theory and applications of time delay systems (see more details below). Supervised PhDs: see publications
Time-Delay Systems theory: Surveys: time-delay systems [RI/03/41], aperiodic sampling [RI/17/78] Homogeneity for TDS: nonlinear homogeneity [RI/14/67][RI/16/72], finite-time stabilty [RI/14/68][RI/16/72], Implicit Lyapunov-Krasovskii Functionals [RI/15/71] Delay identification: identifiability [RI/02/33][OC/04/25], algebraic identification [RI/10/55][RI/09/53][CI/08/113][CI/07/108][CI/06/099][CI/06/101][CI/06/102], variable structure identification [RI/06/46][CI/04/086][RI/03/38] Estimation / observation: interval observers [RI/13/63][RI/15/70][RI/16/78], output feedback with unknown input delays [RI/13/63][CI/07/109][CI/07/107][CI/06/097] or unknown input [RI/16/73][RI/11/58], estimation under data-rate constraints [CI/20/186] [CI/21/187], algebraic estimation of multivariate derivatives [RI/11/59][CI/11/129] Asynchronous sampling: survey [RI/16/77], state-dependent sampling [RI/15/69][RI/12/61][TH/12/27], nonlinear systems [RI/14/65][CI/12/143][CI/12/136], input delay approach [RI/04/44], hybrid systems / dissipativity approach [RI/21/92][RI/14/65][RI/11/57][RI/13/65][TH/14/28], frequency domain [RI/21/91] Networked control / observation: variable delays, remote (predictive) observer for control [CO/08/28][CI/09/117][CI/08/115][CI/08/114][CI/06/1][TH/06/19] Stability and stabilization of TDS: linear systems with sampling [RI/15/69][RI/11/56] or discrete/distributed delays [RI/99/24][RI/99/23]; nonlinear systems [TH/06/21][OC/97/19][RI/97/16], exponential stabilization [TH/06/19][CI/04/088], finite time stabilty [RI/14/68][RI/16/72], Implicit Lyapunov-Krasovskii Functionals [RI/15/71] Neutral systems: interval techniques [RI/15/70], LKF aproach [RI/11/55] or positive systems [RI/98/20]Positive systems and constrained control: positive comparison systems and vector norm approach [RI/95/12][RI/97/18][OC/03/24], Metzler matrices [RI/96/14]Relay-delay systems : sliding mode under delay (LMI criteria) [RI/01/30][RI/03/37] and nonlinear extension [RI/06/45], deadzone and delay [RI/07/49] Discretization and computational aspects: distributed delay realization (finite spectrum assignment) [CI/01/76][CI/99/059] Infinite dimensional systems: interval observers for PDEs and delay systems [TH/19/30][RI/18/81][RI/20/86]
Applications : Fluid mechanics: control of turbulent separated flows, closed loop sliding mode control via nonlinear time-delay models - applications to aeronautics and ground transportation in the framework of the ELSAT2020 program. Papers [RI/20/85][RI/19/84][RI/17/79][CI/16/161] and patent [PAT/17/1]. See also (in French) https://inria.fr/centre/lille/actualites/ameliorer-l-aerodynamisme-des-avions.Distributed systems: robust decentralized controllers [RI/18/83], distributed fast estimation [RI/18/82], asynchronous control [RI/21/91][RI/21/92], data-rate constraints [CI/20/186] [CI/21/187] - in the framework of the UCoCoS H2020 European projectRemote control over unreliable networks: using non dedicated networks (Internet, Wifi) for bilateral teleoperation [RI/14/64][CI/12/137][CI/11/134][TH/12/26] and remote control [RI/12/60][TH/09/24][TH/06/19]Collaborative robotics: unicycle robots [CI/21/187], wheeled robots (jointly with LIRMM and CRAN - Region Nord Pas de Calais) [CI/04/091]Service robotics: evolutive autonomous wheelchair, European project Sysiass (see also communique de presse) Aeronautics: identification of a flight model (jointly with ONERA) [TH/06/20][CI/06/7] Image: multivariate differentiation for image processing [RI/11/59] Transports : automated transportations (within GRAISyHM CPER) [RC/04/10] Biology: meta-dynamics for population models [RI/07/48][CI/03/083][CI/02/077], molecular models (jointly with IRI - IBL) [TH/07/22] Agri-food: spray boom pressure control [RI/07/49][CI/04/085][CI/05/093] (jointly with LAMP Leuven), mixing tank control (jointly with LAGIS and INRA) [CI/01/072][CI/03/084][RF/03/36] Underactuated mechanics: inverted pendulum [RI/08/51][RI/08/52][TH08/23]
ANR Finite4SoS: Finite-time Control and Estimation for Systems of Systems - http://finite4sos.gforge.inria.fr/CPER ELSAT2020, CONTRATECH project: interdisciplinary program on technologies for flow control - http://www.frttm.fr/elsat2020 other team's projects can be found at https://team.inria.fr/non-a/projects/
Previous rechearches and projects: H2020 UCoCoS: Understanding and Controling Complex Systems - http://www.ucocos-project.eu
InterReg SYSIASS:
Autonomous and Intelligent Healthcare System
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http://www.sysiass.eu Stability of nonlinear systems, positive systems: state-space transformations [OC/92/13], constrained stabilization [RI/96/15][RI/96/14], positive comparison systems and vector Lyapunov functions [OC/03/24], Metzler matrices [RI/96/14] (see extensions to delayed cases in [RI/13/63][RI/15/70])Periodic systems: Floquet s transformation [RI/84/2] for optimal control [RI/91/06], robust control [RI/94/09]
General activites
of the team SYNER
Theory:
Applications:
See here for SYNER, there for CO2.
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