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Jean-Yves Le Boudec

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Related publications (199)

Page 5 of 10

A Palm Calculus Approach to the Distribution of the Age of Information

Jean-Yves Le Boudec

A key metric to express the timeliness of status updates in latency-sensitive networked systems is the age of information (AoI), i.e., the time elapsed since the generation of the last received informative status message. This metric allows studying a numb ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

Real-Time State Estimation of the EPFL-Campus Medium-Voltage Grid by Using PMUs

Mario Paolone, Jean-Yves Le Boudec, Sidi-Rachid Cherkaoui, Paolo Romano, Dan-Cristian Tomozei, Marco Pignati, Maaz Mashood Mohiuddin, Lorenzo Zanni, Styliani Sarri, Teklemariam Tsegay Tesfay, Sergio Barreto Andrade

We describe the real-time monitoring infrastructure of the smart-grid pilot on the EPFL campus. We experimentally validate the concept of a real-time state-estimation for a 20 kV active distribution network. We designed and put into operation the whole inf ...

2015

Admissibility of Uncertain Injections in Quadratic Algebraic Systems

Jean-Yves Le Boudec, Cong Wang, Eleni Stai

We study the admissibility problem in multivariate algebraic systems, such as ac electrical networks, where the power injection is quadratic in the state. The goal of such systems is to ensure that the state stays in some security set (e.g., magnitudes of ...

2021

Tradeoff Analysis of PHY-aware MAC in Low-Rate, Low-Power UWB networks

Jean-Yves Le Boudec, Ruben Merz, Jörg Widmer, Alexandre Fawal

We are interested in the design of physical-layer aware medium access control (PHY-aware MAC) for self-organized, low power, low data-rate impulse-radio ultra-wideband (IR-UWB) networks. In such networks, energy consumption is much more of a concern than a ...

2005

Load Flow in Multiphase Distribution Networks: Existence, Uniqueness, Non-Singularity and Linear Models

Jean-Yves Le Boudec, Andrey Bernstein, Cong Wang

This paper considers unbalanced multiphase distribution systems with generic topology and different load models, and extends the Z-bus iterative load-flow algorithm based on a fixed-point interpretation of the AC load-flow equations. Explicit conditions fo ...

IEEE Institute of Electrical and Electronics Engineers2018

An Exact Convex Formulation of the Optimal Power Flow in Radial Distribution Networks Including Transverse Components

Mario Paolone, Jean-Yves Le Boudec, Sidi-Rachid Cherkaoui, Mostafa Nick

The recent literature discusses the use of the relaxed Second Order Cone Programming (SOCP) for formulating Optimal Power Flow problems (OPF) for radial power grids. However, if the shunt parameters of the lines that compose the power grid are considered, ...

2018

Primary Voltage Control in Active Distribution Networks via Broadcast Signals: The Case of Distributed Storage

Mario Paolone, Jean-Yves Le Boudec, Dan-Cristian Tomozei, Konstantina Christakou, Maryam Bahramipanah

In this paper, we consider an active distribution network (ADN) that performs primary voltage control using real-time demand response via a broadcast low-rate communication signal. The ADN also owns distributed electrical energy storage. We show that it is ...

Ieee-Inst Electrical Electronics Engineers Inc2014

A SuperCapacitor Agent for Providing Real-Time Power Services to the Grid

Mario Paolone, Jean-Yves Le Boudec, Lorenzo Enrique Reyes Chamorro, Andrey Bernstein

Supercapacitors-based storage systems are expected to play a key role in microgrids in view of their capability to compensate high-power imbalances. We define an agent for the control of supercapacitor arrays within the context of the novel control framewo ...

IEEE2015

Quarts: Quick Agreement for Real-Time Control Systems

Jean-Yves Le Boudec, Simon Bliudze, Wajeb Saab

Real-time control systems (RTCSs) tolerate delay and crash faults by replicating the controller. Each replica computes and issues setpoints to actuators over a network that might drop or delay messages. Hence, the actuators might receive an inconsistent se ...

2017

On the Solution of the Optimal Power Flow for Three-Phase Radial Distribution Networks With Energy Storage

Jean-Yves Le Boudec, Cong Wang, Eleni Stai

We study a multiperiod optimal power flow (OPF) problem in unbalanced three-phase radial distribution networks with batteries. To address this problem, we first take the resistance-line battery model that treats lossy batteries by adding resistive lines an ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

Electric Space Heating Scheduling for Real-time Explicit Power Control in Active Distribution Networks

Mario Paolone, Jean-Yves Le Boudec, Lorenzo Enrique Reyes Chamorro, Andrey Bernstein

This paper presents a systematic approach for abstracting the flexibility of a building space heating system and using it within a composable framework for real-time explicit power control of microgrids and, more in general, active distribution networks. I ...

2014

Synchronizing Method for Impulse Radio Network

Jean-Yves Le Boudec, Alexandre Fawal

In IR (Impulse Radio) network, the conventional synchronization (also called signal acquisition) method becomes inefficient and results in a certain failure of synchronization when concurrent transmissions are allowed without controlling their powers. The ...

2005

Parameter Estimation of Three-Phase Untransposed Short Transmission Lines from Synchrophasor Measurements

Mario Paolone, Jean-Yves Le Boudec, Arpan Mukhopadhyay

We present a new approach for estimating the parameters of three-phase untransposed electrically short transmission lines using voltage/current synchrophasor measurements obtained from phasor measurement units. The parameters to be estimated are the entrie ...

2020

Impulse Radio Ultra-Wideband Ranging Based on Maximum Likelihood Estimation

Jean-Yves Le Boudec

We propose a high-resolution ranging algorithm for impulse radio (IR) ultra-WideBand (UWB) communication systems in additive white Gaussian noise. We formulate the ranging problem as a maximum- likelihood (ML) estimation problem for the channel delays and ...

Institute of Electrical and Electronics Engineers2009

T-RECS: A Virtual Commissioning Tool for Software-Based Control of Electric Grids – Design, Validation, and Operation

Jean-Yves Le Boudec, Lorenzo Enrique Reyes Chamorro, Wajeb Saab, Maaz Mashood Mohiuddin, Roman Rudnik, Jagdish Prasad Achara

In real-time control of electric grids using multiple software agents, the control performance depends on (1) the proper functioning of the software agents, i.e., absence of software faults, and (2) the behavior of software agents in the presence of non-id ...

ACM2018

New Network Architectures, Protocols, And Algorithms For Time-Sensitive Applications

Jean-Yves Le Boudec

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

A Generalized Mathematical Model To Estimate T- and B-Cell Receptor Diversities Using AmpliCot

Jean-Yves Le Boudec, Irina Baltcheva

The efficiency of the adaptive immune system is dependent on the diversity of T- and B-cell receptors, which is created by random rearrangement of receptor gene segments. AmpliCot is an experimental technique that allows the measurement of the diversity of ...

Elsevier2012

Network-calculus service curves of the interleaved regulator

Jean-Yves Le Boudec

The interleaved regulator (implemented by IEEE TSN Asynchronous Traffic Shaping) is used in time-sensitive networks for reshaping the flows with per-flow contracts. When applied to an aggregate of flows that come from a FIFO system, an interleaved regulato ...

2024

Ultra-short-term prediction intervals of photovoltaic AC active power

Mario Paolone, Jean-Yves Le Boudec, Dimitri Torregrossa, Enrica Scolari

The paper describes a heuristic method for the ultra-short-term computation of prediction intervals (PIs) for photovoltaic (PV) power generation. The method allows for directly forecasting the AC active power output of a PV system by simply extracting info ...

IEEE2016

A Unified Framework for Max-Min and Min-Max Fairness with Applications

Jean-Yves Le Boudec

Max-min fairness is widely used in various areas of networking. In every case where it is used, there is a proof of existence and one or several algorithms for computing it; in most, but not all cases, they are based on the notion of bottlenecks. In spite ...

2007