In this paper, two active fault-tolerant control (AFTC) schemes dedicated to induction-motor drives in electric or hybrid vehicle powertrains are presented and compared. Fault detection mitigation merged propose a robust algorithm against speed-sensor faults (fault is modeled as significant additional noise an exponential type emulating bias) leading uncertainties the measurement. The first architecture fault tolerant-control (FTC) with proportional-integral H <sub...

In order to democratize electric vehicles, automakers have give a solution reduce the total cost of ownership (TCO) and bring it lower than thermal vehicles one. This paper presents results works on improvement 3.5 t light-duty commercial vehicle. TCO was separated into investment costs operating costs. The batteries an vehicle were most expensive element powertrain, which can represent up 45% price. What's more, contrary life energy storage systems limited around five years, is highly...

Abstract A hybrid power system based on a fuel cell (FC) and an energy storage appears to be very promising for satisfying the high requirements of automotive applications in which demand is impulsive rather than constant. This paper deals with use battery (BAT)/ultracapacitor (UC) as ancillary source FC electric vehicles. The management strategy (EMS) one most important issues efficiency performance such systems. designed EMS uses splitting method, allowing natural frequency decomposition...

The aim of this paper is to present an optimization-under-constraints approach design power converters. In fact, the time-domain simulation very useful evaluate performances converters when solution area studied converter much reduced due designer's experience and only few aspects are considered. However, today's more complicated because it needs consider multiphysic multidomain constraints. context, a using optimization under constraints allows exploring large by considering aspect high...

This paper presents an approach to presize dc-dc converters. is carried out in three main steps. The first one helps the designer select most adapted architecture answering specifications and appropriate technologies of passive active components selected minimizing a major constraint (like volume or cost). Models used this step are developed from manufacturer datasheets. second consists on optimizing by considering resulting under multiphysic constraints: thermal, losses (or efficiency),...

In this paper an analysis of hybrid architecture with a two-converters parallel configuration for electrical vehicle is presented. Then, two designed energy management strategies (EMS) are discussed: first, The EMS uses power frequency splitting allowing natural decomposition the loads and secondly optimal control theory, based on Pontryagin's minimum principle, which has as objective to minimize hydrogen consumption simultaneously protect fuel cell health. Thus, application these different...

In mechatronic design, the exchange of data between stakeholders from different disciplines is necessary to ensure efficient and simultaneous engineering. Designers all involved need adopt new approaches which facilitate concurrent collaboration. A method based on Knowledge Based Engineering presented in this work. The has two key features. First, support designers steps design cycle. And second, reuse results adapt them requirement changes. Our contribution lies adapting KBE application...

This paper proposes a robust control technique for 3-DOF helicopter. The algorithm uses controllers synthesized by the H infinity loop shaping approach. simulation results show that stabilize system and reject disturbances. evaluate comparative studies between classical (PI, PD, PID) controller are given with simulations in presence of noise disturbance closed elevation, pitch rotation.

This paper presents control strategies for an interleaved converter in automotive application with a focus on the current sharing between cells and fault tolerant capability. The are based PI controllers explore different possibilities configurations controlling converter. is designed optimization under multi physics constraints to find optimal architecture number of looking appropriate active passive components technologies. results design used simulation validate strategies. An...

This study presents a design methodology applied to and improve the efficiency of interleaved Buck converters. is based on multi-physic multi-objective optimisation ensure well integration Thereto, number cells used as key parameter formalise this approach with analytical models established offer compromise needed between computation time results accuracy. The proposed an buck converter for automotive application achieve requirements electrical, volume, thermal constraints. It allows find...

Interleaved converters use an increased number of power electronics switches; this may subsequently affect their reliability. However, is opportunity to develop fault-tolerant strategies improve reliability and ensure continuity service. This why we herein propose, for the first time, a mathematical function simultaneously model healthy faulty conditions each switch, thus enabling unique system. then used in original strategy based upon peak current control with slope compensation. method...

In this paper, we present a comparative study of four voting algorithms for two Induction Motor drive fault tolerant control to speed sensor failure schemes. both Output and Input Fault Tolerant controller, the algorithm chooses most appropriate output signal ensure best behavior in degraded mode. The performances are evaluated through simulations 7.5kW with robustness testing against parametric variations, as well under load testing. results show that Euler, Newton-Raphson Maximum...

This paper deals with the design of energy management strategy (EMS) for a fuel cell hybrid vehicle (FCHV) storage system (HESS) using energetic macroscopic representation (EMR). It discusses options including power, energy, and operating as they relate to system. The studied HESS is composed battery/ultracapacitor (BAT/UC) allowing increasing both power capability capacity FCHV. In order describe organize his control structure, EMR concept used, which well adapted multiphysics complex...

This work proposes an innovative approach to enhance the localization of unmanned aerial vehicles (UAVs) in dynamic environments. The methodology integrates a sophisticated object-tracking algorithm augment established simultaneous and mapping (ORB-SLAM) framework, utilizing only monocular camera setup. Moving objects are detected by harnessing power YOLOv4, specialized Kalman filter is employed for tracking. integrated into ORB-SLAM framework improve UAV pose estimation correcting impact...

Because analytical expressions are required to run optimization software, this subject is very topical. This work uses equivalent permeability homogenize the winding structure and approximations for window field. A progressive approach leads needed a transformer built around gapped ferrite core. At every step, compared Flux3D simulation.

In this paper, we present a passive fault tolerant control energy management for two-converters parallel configuration in electrical vehicle system. The FTC is based on H-infinity approach (H-infinity full order and fixed structure); PFTC coupled with the optimal to optimize consumption of FC fuel. This architecture proposed ensure stability an acceptable performance system faulty mode. To test architecture, introduce DC bus voltage sensor, compare behavior case PI controller robust...

This paper deals with a comparison study between two hybrid systems composed by batteries fuel cell and super capacitors cell. A sizing algorithm is used to define the optimal sizes of source. The based on weight, volume cost. prove best performances in case according energy. However, provide source total recovered power. It noted that hybridization HP an interesting solution make up Energy Storage System for automotive applications high drive range.

Companies always search for alternative solutions designing mechatronic systems in more efficient ways to cope with the high-performance standards, competitive market, and design time reduction. In this article, we present a complete multiphysical approach validate an electronic throttle body (ETB) system concurrent way. Our goal is reduce modeling test efforts by using enriched model preliminary phase. This main stone that connects different fields ensures collaboration. article result of...

The aim of this paper is to present an analytical optimization approach a flyback structure in PFC mode. Indeed, softwares like Saber, Pspice or Simplorer are effective means for the power electronics time-domain studies. However, if these structures have AC input and high switching frequency (various time scales), simulation becomes painful expensive memory computing time. study EMC performances also difficult because line impedance stabilizer network (LISN) time-constants which comes...

In this article, an algorithm has been developed to study the influence of hybrid energy storages system management on performance last one in terms weight, volume, cost and stresses applied two storage systems witch compose our source. The main is composed with a high or ultra density batteries. Otherwise, secondary can be power, power batteries supercapacitor. Simulation results show that gains weight volume are obtained using cells as battery or/and improved ameliorate performances for...

This paper presents the design of an efficient energy management strategy (EMS) for fuel cell hybrid vehicle (FCHV). The studied system is composed cell/ultracapacitor (FC/UC) source allowing increasing both power capability and capacity FCHV. designed EMS uses a wavelet approach to share flow between generation by sources traction load. leads natural frequency decomposition demands without slop limitation provide any load requirement. An analysis simulation results carried out under Matlab...

The aim of this paper is to present an analytical optimization approach a 42V-14V converter for the automotive domain. Indeed, amount electronic equipment on board vehicles and electrical power requirement motorcars has increased steadily during past 50 years, starting at about 100 W in 1950 reaching 2 kW 2000, it will reach 5 2010. 14V network not able supply enough current increasing requirement. So, 42V generalized [J.G. Kassakian, February 2000]. A special dc/dc therefore needed...

This paper presents a pre-sizing approach of DC-DC converters. is carried out in two main steps. The first step consists on determining the most adapted architecture to answer specifications and appropriate technologies passive active components selected representing minimal volume. technology choice using models developed from manufacturer datasheets. second optimizing by considering resulting under multi-physic constraints: thermal, losses (or efficiency), volume electromagnetic...

This paper proposes and evaluates the comparative studies between classical controllers (PI, PD PID) with H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">∞</sub> robust control technique for an 3-DOF helicopter. The algorithm uses a synthesized by loop shaping approach. experimental results show that stabilize system reject disturbances when is subjected to uncertainties of norm lower than maximum stability margin.