Publications related to Closed-loop controller

Data-driven controller tuning with integrated stability constraint

Dominique Bonvin, Alireza Karimi, Klaske van Heusden

This paper presents a data-driven controller-tuning algorithm that includes a sufficient condition for closed-loop stability. This stability condition is defined by a set of convex constraints on the Fourier transform of specific auto- and cross-correlatio ...

IEEE2008

How can human motion prediction increase transparency?

Jamie Paik

A major issue in the field of human-robot interaction for assistance to manipulation is transparency. This basic feature qualifies the capacity for a robot to follow human movements without any human-perceptible resistive forces. In this paper we address t ...

2008

Feedback loop conception methodology for step-down continuous switching DC/DC converter

Maher Kayal, Stefano Michelis

The stability and the dimensioning of a step-down switching voltage regulator feedback loop remain a complex task. An analytical approach allows dimensioning of all the components, strongly facilitating this task. In this article, a mathematical analysis i ...

2008

Principe d'alimentation par convertisseurs multiniveaux à stockage intégré

Claude Fahrni

Facilities operating in cycles, such as particles accelerators, require pulsed power. Directly drawing this pulsed power from the industrial network is generally not acceptable. A system with a local energy storage system lessens the impact on the network. ...

EPFL2008

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization

Alireza Karimi, Roland Longchamp, Gorka Galdos Sanz de Galdeano

A new approach for robust fixed-order

H_\infty

controller design by convex optimization is proposed. Linear time-invariant single-input single-output systems represented by a finite set of complex values in the frequency domain are considered. It is show ...

IEEE2008

Adaptive Load Sharing for Network Processors

Jean-Yves Le Boudec

A novel scheme for processing packets in a router is presented that provides load sharing among multiple network processors distributed within the router. It is complemented by a feedback control mechanism designed to prevent processor overload. Incoming t ...

2008

Frequency Domain Controller Design by Linear Programming Guaranteeing Quadratic Stability

Alireza Karimi, Roland Longchamp, Marc Kunze

In a recent work, a frequency method based on linear programming is proposed to design fixed-order linearly parameterized controllers for stable linear multi- model SISO systems. The method is based on the shaping of the open-loop transfer functions in the ...

IEEE2008

Dedicated controller design for a dual-stage opto-mechatronic system

Denis Gillet, Philippe Müllhaupt, Yvan Michellod

To improve the resolution of the Very Large Telescope Interferometer (VLTI) a two-stage mechanical system, a so called Differential Delay Line (DDL), is developed jointly by the EPFL and the Observatory of Geneva. The system is designed to reach nanometer ...

IEEE2008

Informative data: how to get just sufﬁciently rich?

Ljubisa Miskovic

Prediction error identification requires that data be informative with respect to the chosen model structure. Whereas sufficient conditions for informative experiments have been available for a long time, there were surprisingly no results of necessary and ...

IEEE CSS2008

Closed-loop identification of MIMO systems: a new look at identifiability and experiment design

Ljubisa Miskovic

This paper addresses a question raised by a leading expert in the identification of multivariable systems: “Is it necessary to excite all reference signals for the identification of a multivariable system operating in closed loop with a linear time-invaria ...

European Union Control Association2007

Closed-loop controller

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Data-driven controller tuning with integrated stability constraint

How can human motion prediction increase transparency?

Feedback loop conception methodology for step-down continuous switching DC/DC converter

Principe d'alimentation par convertisseurs multiniveaux à stockage intégré

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization

Adaptive Load Sharing for Network Processors

Frequency Domain Controller Design by Linear Programming Guaranteeing Quadratic Stability

Dedicated controller design for a dual-stage opto-mechatronic system

Informative data: how to get just sufﬁciently rich?

Closed-loop identification of MIMO systems: a new look at identifiability and experiment design

Data-driven controller tuning with integrated stability constraint

How can human motion prediction increase transparency?

Principe d'alimentation par convertisseurs multiniveaux à stockage intégré

Adaptive Load Sharing for Network Processors

Feedback loop conception methodology for step-down continuous switching DC/DC converter

Closed-loop identification of MIMO systems: a new look at identifiability and experiment design

Robust fixed-order H infinity Controller Design for Spectral Models by Convex Optimization

Frequency Domain Controller Design by Linear Programming Guaranteeing Quadratic Stability

Informative data: how to get just sufﬁciently rich?

Dedicated controller design for a dual-stage opto-mechatronic system