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In this paper, we are interested, in a first time, at the study and the implementation of a V/f control for induction machine in real time. After, We are attached to a comparison of the results by simulation and experiment for, speed... more
In this paper, we are interested, in a first time, at the study and the implementation of a V/f control for induction machine in real time. After, We are attached to a comparison of the results by simulation and experiment for, speed... more
Holonic Multi-Agent Systems (HMAS) are a convenient and relevant way to analyze, model and simulate complex and open systems. Accurately simulate in real-time complex systems, where a great number of entities interact, requires extensive... more
This article is concerned with the design and implementation of multimodal user interfaces. The use of multiple modalities such as vision, speech and gesture opens a vast world of possibilities in user interface design. Although the... more
We present the first rigid body real-time simulations of the dynamics of 1. the classical tippe-top, 2. the Celtic wobblestone, 3. a spinning ellipsoid and 4. a spinning coin with a hole. The simulations are carried out with two different... more
Guidelines and techniques for comparing system observations with multiple sets of simulation results
Using simulation to support reaching conclusions for real-time processes imposes that models are thoroughly validated. This paper discusses widely adopted techniques for testing the validity of simulation results against real observations... more
Even though numerous applications use real-time and faster-than-real-time simulation (FRTS), there is no concrete formalism that focuses on planning and execution of the experiment. Having previously introduced a conceptual FRTS... more
Despite the broad use of real-time and faster-than-real-time simulation (FRTS), especially for training and control purposes, formalisms focusing on experiment planning and execution have not yet been established. Having previously... more
Real-time systems demand guaranteed and predictable run-time behaviour in order to ensure that no task has missed its deadline. Over the years we are witnessingan ever increasing demand for functionality enhancements in the embedded... more
A large part of power dissipation in a system is generated by I/O devices. Increasingly these devices provide power saving mechanisms to inter alia enhance battery life. While I/O device scheduling has been studied in the past for... more
A thesis submitted to the University of Bedfordshire in fulfilment of the requirements for the degree of Master of Science by Research
Engineering in Industrial Technologies This report concerns to the study of FPGA-based electromagnetic transient simulations of power systems. Along its content, the discretization of electric circuits concerning power systems will be... more
Effective management of anemia due to renal failure poses many challenges to physicians. Individual response to treatment varies across patient populations and, due to the prolonged character of the therapy, changes over time. In this... more
Stabilization problem for a satellite is considered. The only measurement is of the geomagnetic ÿeld in the satellite coordinates. The control is carried out by a magnetic moment of current coils (magnetorquers) mounted on the satellite... more
The introduction of distributed generation (GD) imposes challenges to the planning of electric power utility, and simultaneously represents a promising alternative to the national electricity sector to address the shortage of electric... more
In this work the "Bacterial Foraging" strategy is presented and used to identify in real time a threephase load. The optimization process uses the instantaneous current and voltage values as inputs, and estimates the values of the... more
This paper presents a methodology of rapid testing for different control algorithms of electrical drives with inverter-fed induction motors used for the propulsion of hybrid electric vehicles. For analysis, modeling and off-line... more
Human vascular systems have considerable anatomic variations. In diseased situation, significant pathological changes will be developed with the systems. However, vascular catheterization devices commercially available are essentially... more
This paper presents an approach to obtain reducedorder models for power networks involving power electronic converters (PEC) via the frequency-domain balanced realizations (FDBR) technique. PECs play an essential role in power processing... more
In this paper a three stations MTDC grid is presented, providing a specific application of our work. The experimental platform is intended to combine electrical power components and communication/control equipment with real-time... more
Modernizing the power grid has become imperative to meet growing energy demands and integrate renewable sources efficiently. This paper explores simulation-based strategies for integrating smart grid technologies with advanced generator... more
-Anomaly diagnostics and fault classification with prognostics is an active research topic, and real-time detection of anomalies and their classification has remained a critical challenge to be overcome. We developed an innovative,... more
This paper describes a system platform for virtual human agents simulations that is able to coherently manage the shared virtual environment. Our "agent common environment" (ACE) provides built-in commands for perception and for acting,... more
This paper presents a general method to obtain the mathematical model for the elasto-dynamic behavior of the multi-body branched systems developed in the welcoming frame of the Computational Mechanics. This particular class of multi-body... more
Real-time simulation and rapid prototyping of power electronics, critical loads, and control systems have prompted recent interest in accurate electrical terminal models of photovoltaic (PV) panels and array systems. Advancement in... more
This study presents a comprehensive comparative analysis of simulation approaches for optimizing the collective motion behavior of robot swarms, with a focus on industrial applications. We investigate the feasibility of bridging the... more
Large scale microscopic (i.e. vehicle-based) traffic simulations pose high demands on computational speed in at least two application areas: (i) real-time traffic forecasting, and (E) long-term planning applications (where repeated... more
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or... more
Grasping and manipulation by multifingered robot hand is challenging due to the dynamic uncertainties of the hand and the object. The purpose of the grasping and manipulation research is to improve the control performance based on the... more
Inverse filtering is the concept that one can "undo" the filtering caused by a system such as a loudspeaker or room. This approach strives to correct both the magnitude and the phase of the system. Inverse filtering has been proposed for... more
We previously described a parametric eyeball modeling system for real-time simulation of eye surgery (MICCAI 01). However, in the simulation of ophthalmologic surgery, the model of the eyeball alone is not sufficient. The orbital... more
Increased manufacturing expenses and increased competition have made it an automation process to improve the overall operational and energy efficiency at the manufacturing systems. Electric motors impact a wide range of manufacturing... more
La simulation de systemes d'energie est un outil important pour la conception, le developpement et l'evaluation de nouvelles architectures et des controles grille dans le concept de reseau intelligent pour les dernieres decennies.... more
The main result of this paper is that, given a Turing machine with several readwrite heads per tape, one can effectively construct an equivalent multitape Turing machine with a single read-write head per tape, which runs at precisely the... more
This poster presents a hardware-in-theloop real-time simulation platform for emulating mechanical nonlinearities such as friction, statedependent disturbances etc. The novelty of this platform lies in generating arbitrary external load... more
Abstract—Dealing with real-time constraints is always a problem in a typical System-on-chip design. It is worsened in a multi-processor system connected via a network. FPGA prototyping is a quick way to do a real-time simulation of the... more
Neste trabalho avalia-se a qualidade suprimento de energia elétrica em um sistema experimental de microgeração isolado, não conectado à rede convencional. O sistema utiliza inversores bidirecionais que formam a rede elétrica trifásica,... more
Wind power generation studies of slow phenomena using a detailed model can be difficult to perform with a conventional offline simulation program. Due to the computational power and high-speed input and output, a real-time simulator is... more
This paper describes a real-time simulator of wind turbine generator system suitable for controller design and tests. The simulated generator is a grid-connected doubly fed induction machine with back-to-back PWM voltage source vector... more
This study presents a field programmable gate array (FPGA)-based real-time simulation platform for realistic-size modular multilevel converters (MMCs). This development is primarily intended for controller hardware-in-the-loop (HIL)... more
AbstractIn this paper, we detail the real-time simulation results of a medium-sized network composed of 8 synchronous machines and an HVDC link. The model is composed of two Kundur-like 4 machines networks connected together with a... more
The concept of augmented reality audio characterizes techniques where a real sound environment is extended with virtual auditory environments and communications scenarios. A framework is introduced for mobile augmented reality audio... more
The concept of augmented reality audio characterizes techniques where a real sound environment is extended with virtual auditory environments and communications scenarios. A framework is introduced for mobile augmented reality audio... more
GENESIS 3 is the new version of the GENESIS software environment for musical creation by means of massinteraction physics network modelling. It was re-designed from scratch in hindsight of more than 10 years working on and using the... more
Masses-interactions modeling, also called physics Newtonian networks modeling, was pioneered in the late 70's with the CORDIS-ANIMA formalism. It is a modular physics-based approach, used in sound design, musical instruments design and... more