Relevant bibliographies by topics / Shell Eco Marathon - Motor

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Shell Eco Marathon - Motor'

Author: Grafiati
Published: 11 September 2021
Last updated: 1 February 2022

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Journal articles on the topic "Shell Eco Marathon - Motor"

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M. G. Rebelo, Jorge, and Miguel Ângelo Rodrigues Silvestre. "Development of a Coreless Permanent Magnet Synchronous Motor for a Battery Electric Shell Eco Marathon Prototype Vehicle." Open Engineering 8, no. 1 (November 8, 2018): 382–90. http://dx.doi.org/10.1515/eng-2018-0042.

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Abstract This paper describes the development of an in-wheel Coreless Permanent Magnet Synchronous motor designed and built for the participation of the Aero@UBI team in Shell Eco-Marathon competition where a low power and highly efficient motor was needed. The design of the motor for this competition is presented and the adopted concepts explained. The conjunction of the concepts embedded in the design made this motor one of a kind. The use of Litz wire and a single wave winding turn allow the possibility to configure the motor’s constant. The model used in the motor’s design is presented. The motor was built, and the experimental tests data are given for the motor. The motor was tested with two different controllers and the results show the high efficiency of the presented motor.
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Stabile, Pietro, Federico Ballo, Gianpiero Mastinu, and Massimiliano Gobbi. "An Ultra-Efficient Lightweight Electric Vehicle—Power Demand Analysis to Enable Lightweight Construction." Energies 14, no. 3 (February 1, 2021): 766. http://dx.doi.org/10.3390/en14030766.

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A detailed analysis of the power demand of an ultraefficient lightweight-battery electric vehicle is performed. The aim is to overcome the problem of lightweight electric vehicles that may have a relatively bad environmental impact if their power demand is not extremely reduced. In particular, electric vehicles have a higher environmental impact during the production phase, which should be balanced by a lower impact during the service life by means of a lightweight design. As an example of an ultraefficient electric vehicle, a prototype for the Shell Eco-marathon competition is considered. A “tank-to-wheel” multiphysics model (thermo-electro-mechanical) of the vehicle was developed in “Matlab-Simscape”. The model includes the battery, the DC motors, the motor controller and the vehicle drag forces. A preliminary model validation was performed by considering experimental data acquisitions completed during the 2019 Shell Eco-marathon European competition at the Brooklands Circuit (UK). Numerical simulations are employed to assess the sharing of the energy consumption among the main dissipation sources. From the analysis, we found that the main sources of mechanical dissipation (i.e., rolling resistance, gravitational/inertial force and aerodynamic drag) have the same role in the defining the power consumption of such kind of vehicles. Moreover, the effect of the main vehicle parameters (i.e., mass, aerodynamic coefficient and tire rolling resistance coefficient) on the energy consumption was analyzed through a sensitivity analysis. Results showed a linear correlation between the variation of the parameters and the power demand, with mass exhibiting the highest influence. The results of this study provide fundamental information to address critical decisions for designing new and more efficient lightweight vehicles, as they allow the designer to clearly identify which are the main parameters to keep under control during the design phase and which are the most promising areas of action.
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Ali, Syed Hassaan, Humza Akhtar, Muhammad Abdullah, Muhammad Fazeel Mutahir, and Muhammad Atif. "Utilization of a DC Brushless Hub Motor as an Alternator in Drive Train of Fuel Efficient Series Hybrid Urban Class Vehicle." Applied Mechanics and Materials 325-326 (June 2013): 456–60. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.456.

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While designing the drive train of a Series Hybrid Vehicle fuel efficient vehicle for Shell Eco Marathon Asia 2010, The most important issue was the coupling of Engine and Alternator. The major problem faced while doing so is the compatibility check of alternator with the engine as most locally available alternators were not capable enough to provide 48V at rated power of the engine required for operation of hub motors used in the drive train. In order to overcome this problem, it was decided that Magic Pie DC Brushless Hub motors may be used as improvised alternators, as the regenerative abilities of these motors provide an excellent platform to use it as an alternator and are fairly efficient as well. Many small mechanical modifications and mathematical calculations were done in order to achieve this goal.
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Cerpa Bernal, Rafael Mauricio, Luisa Fernanda Mónico Muñoz, Diego Fernando Cortés Ruiz, Samy Walid Mustafa Prieto, and Anlly Bonilla Candidata. "Selección del sistema de propulsión de un vehículo urbano con bajo consumo de combustible." Ingenium Revista de la facultad de ingeniería 17, no. 33 (January 27, 2016): 41. http://dx.doi.org/10.21500/01247492.2153.

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<p>El vehículo urbano con bajo consumo de combustible, aplicado a la competencia Eco Shell Marathon, contará con un sistema de propulsión híbrido que tiene componentes eléctricos y mecánicos; los cuales están encargados de generar tracción a partir de energía química obtenida de un combustible. Los parámetros de velocidad y carga paga vienen dados por la normatividad de la competencia, que a su vez se utiliza para establecer los requerimientos que el vehículo debe suplir. El artículo está enfocado hacia el proceso de selección de los sistemas del motor híbrido, aplicado en la industria automotriz, ya que está siendo comprobada la teoria de la reducción en el impacto ambiental haciendo un menor uso de hidrocarburos.</p>
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Targosz, Mirosław, Wojciech Skarka, and Piotr Przystałka. "Model-Based Optimization of Velocity Strategy for Lightweight Electric Racing Cars." Journal of Advanced Transportation 2018 (June 7, 2018): 1–20. http://dx.doi.org/10.1155/2018/3614025.

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The article presents a method for optimizing driving strategies aimed at minimizing energy consumption while driving. The method was developed for the needs of an electric powered racing vehicle built for the purposes of the Shell Eco-marathon (SEM), the most famous and largest race of energy efficient vehicles. Model-based optimization was used to determine the driving strategy. The numerical model was elaborated in Simulink environment, which includes both the electric vehicle model and the environment, i.e., the race track as well as the vehicle environment and the atmospheric conditions. The vehicle model itself includes vehicle dynamic model, numerical model describing issues concerning resistance of rolling tire, resistance of the propulsion system, aerodynamic phenomena, model of the electric motor, and control system. For the purpose of identifying design and functional features of individual subassemblies and components, numerical and stand tests were carried out. The model itself was tested on the research tracks to tune the model and determine the calculation parameters. The evolutionary algorithms, which are available in the MATLAB Global Optimization Toolbox, were used for optimization. In the race conditions, the model was verified during SEM races in Rotterdam where the race vehicle scored the result consistent with the results of simulation calculations. In the following years, the experience gathered by the team gave us the vice Championship in the SEM 2016 in London.
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Стахин, Дмитрий Романович, and Кирилл Олегович Гончаров. "ОСОБЕННОСТИ ВЫБОРА СИЛОВОЙ УСТАНОВКИ ТРИЦИКЛА КЛАССА SHELL ECO-MARATHON." Transactions of NNSTU n.a. R.E. Alekseev, no. 2 (2018): 188–95. http://dx.doi.org/10.46960/1816-210x_2018_2_188.

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Gunadi and F. Fergianto. "Designing Shell Eco Marathon Car Bodies with Solid Work." Journal of Physics: Conference Series 1700 (December 2020): 012072. http://dx.doi.org/10.1088/1742-6596/1700/1/012072.

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Gábora, András, Gusztáv Áron Szíki, Attila Szántó, Tamás Antal Varga, Attila Magyari, and Dávid Balázs. "Prototípus elektromos tanulmányautó fejlesztése a Shell Eco-Marathon® versenyre." Műszaki Tudományos Közlemények 7 (2017): 167–70. http://dx.doi.org/10.33895/mtk-2017.07.34.

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Cho, Byung-kwan, Seong-min Jeon, Dae-kwon Lee, and Sun-ho Lee. "The Study on Weight Reduction of Vehicle for Shell Eco-marathon." Transactions of the Korean Society of Automotive Engineers 24, no. 5 (September 1, 2016): 575–80. http://dx.doi.org/10.7467/ksae.2016.24.5.575.

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Skoberla, Ryszard, and Wojciech Skarka. "Drive system of lightweight electric vehicle competing in Shell Eco-marathon." Mechanik, no. 4 (April 2016): 324–25. http://dx.doi.org/10.17814/mechanik.2016.4.47.

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Dissertations / Theses on the topic "Shell Eco Marathon - Motor"

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Endresen, Fredrik Vihovde. "Electric Motor Development for Shell Eco-Marathon : Manufacturing an ironless axial flux permanent magnet Motor with Hallbach array and Development of existing Motor for the Shell Eco-Marathon Competition." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19021.

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This thesis describes the process of making a new engine for the car DNV Fuel Fighter 2 that participated in the Shell Eco-Marathon Europe 2012 in Rotterdam. The decision was made to construct a new engine based on an optimized design by Lubna Nasrin. The engine is an ironless axial flux permanent magnet machine with Hallbach array. As a contingency plan there was the possibility to modify the engine used in 2010 and 2011 built by André Dahl-Jacobsen. The result of the process is that the new engine is operational and it has displayed an efficiency of 68 %. However the old engine has displayed an efficiency of 86 %. Because of this, the car raced with the old engine and had an energy consumption of 163 km/kWh. It is still believed that the new engine can be a very successful engine given that it is modified. The new engine has room for improvement especially with regards to stator production and wiring connections. Suggestions are made for how to achieve a higher efficiency. This thesis describes some of the practical engineering challenges that arise when constructing a novel motor. The construction of the Hallbach array is well described here.This work has been a part of a larger project where the end goal was to participate in and win the Shell Eco Marathon Europe. This means that the engine must not only perform well on its own. The engine must also function well with the other components technically and it must be possible to make it with the time and resources available. The development of new technology is expensive and it has therefore been a priority to find funding for this project. This will also be described.
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Buøy, John Ola. "Development of high efficiency Axial Flux Motor for Shell Eco-marathon." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-23648.

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In 2011 Lubna Nasrin designed an optimized in-wheel axial flux motor for the competition Shell Eco-Marathon. A motor was built for the 2012 competition by Fredrik V. Endresen. Testing of this motor showed however that the performance was nothing like the one anticipated by Nasrin?s. The conclusion was that the production methods were not good enough and this was the main reason for the poor result.A new motor was built for use in the 2013 competition. Several design improvements over the old motor which was built in 2010 has been made. Litz wire is used in the stator and Halbach array permanent arrangement in the rotors. Rims, axle and other mechanical parts have also been made brand new this year to try to make the best possible design.The assembly didn?t go without problems, but in the end the motor was fit to the car and tested. It was used in the competition where the team ended up with a third place in the battery electric class.Several tests were performed on the motor to identify how well it performed compared to the FEM results. Question marks have however been raised when it comes to the results of the test due to problems aligning the motor in the test bench. The results indicate rather high rotational losses, but also an induced voltage 35% lower than anticipated. This should not be critical though as the theoretical efficiency, rotational losses discarded, still is 99% with this value.The high eddy current and friction losses measured do however ruin the real efficiency of the machine.
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Nasrin, Lubna. "Improved Version of Energy Efficient Motor for Shell Eco Marathon : Half Weight with Higher Efficiency." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for elkraftteknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14829.

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The goal of the thesis is to analyze an existing Axial Flux Permanent Magnet motor used for Shell Eco Marathon from the Norwegian University of Science and Technology (NTNU). The existing machine has been analysed and modified to achieve improved power density at high efficiency with lowered weight.A detailed literature study on AFPM machine topologies, winding and magnet arrangements is covered. The magnet arrangement of the existing machine has been transformed from conventional North-South to Halbach array. The preliminary analytical calculations were done by using analytical expressions. After that, for an improved design, an efficiency-based optimization has been used to improve the obtained parameters from analytical calculation. This optimization has been performed with the help of fmincon solver in the Matlab optimization tool. The optimized values after being compared with the analytical calculation, has been used to run Finite Element Method simulations.The new design with optimum performance parameters displays an improvement of overall efficiency with decreased weight in comparison. The new machine has a 97.2% efficiency and weights only 6.24 kg. In comparison with the existing machine, the weight of the new machine is almost half with improved efficiency.KeywordsAxial Flux, Permanent Magnet, Synchronous Motor, Ironless Stator, Halbach.
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Vallin, Jakob, and Simon Hurtig. "Utveckling av en centrifugalkoppling tillhörande motorn HiG-145 till tävlingen Shell Eco Marathon." Thesis, Högskolan i Gävle, Avdelningen för Industriell utveckling, IT och Samhällsbyggnad, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-19825.

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HiGtech är en projektgrupp på Högskolan i Gävle vilka konstruerar och bygger energisnåla tävlingsfordon. Ett av fordonen tävlar i Shell Eco Marathons prototypklass för bensindrivna förbränningsmotorer och drivs av en på högskolan konstruerad motor. Motorns effekt överförs till en kedjetransmission via en inköpt och modifierad centrifugalkoppling. Den nuvarande centrifugalkopplingen väger cirka 1,5 kg. Då en stor faktor för tävlingsresultatet är fordonets rullmotstånd, vilken beror av fordonets vikt, har målet med detta arbete varit att konstruera en specialanpassad centrifugalkoppling, vars vikt endast är hälften så stor som motorns nuvarande koppling. Experiment på motorn, en undersökning av befintliga centrifugalkopplingar samt en litteraturstudie har utförts vilket gav indata för konstruktionsarbetet. Centrifugalkopplingens diameter har optimerats med avseende på låg vikt, där massan av kopplingens nav, trumma och backar tagits fram och jämförts för olika diametrar. Backarnas massa har beräknats med en framtagen beräkningsmodell och navets samt trummans massor har tagits fram genom 3D-modellkoncept. Vidare har en centrifugalkoppling konstruerats av stål, anpassad för tävlingsfordonets motor med individuell justering av ingreppsvarvtalet för dess backar. Centrifugalkopplingens optimala diameter beräknades till 110 millimeter, vilket har resulterat i en totalvikt på den utvecklade kopplingen på cirka 730 g. En specifikationslista har tagits fram på lämpligt friktionsmaterial, dock krävs vidare tester för att säkerställa att önskad funktion uppnås på grund av vibrationer som kan uppstå, något som avgränsats bort i detta arbete.
HiGtech is a project group at the University of Gävle, in which students design and build energy efficient vehicles to compete with around the world. One of the vehicles is competing in the Shell Eco Marathon prototype class for gasoline-powered internal combustion engines and is driven by an on campus designed engine. The engine's power is transmitted to a chain transmission via a purchased and modified centrifugal clutch. The current centrifugal clutch weighs about 1.5 kg. An important factor for the outcome in the competition is the rolling resistance of the vehicle, which depends on its weight, the aim of this work has been to design a customized centrifugal clutch, whose weight is only half as large as the engine’s current clutch. Experiments on the engine, a survey of centrifugal clutches and a literature study has been performed which gave input for the design work. The diameter of the centrifugal clutch has been optimized for low weight, where the mass of the clutch hub, drum and shoes has been compared for the different diameters. The shoe mass has been calculated using a developed model and the hub and drum masses have been developed through a 3D model concept. Furthermore, a centrifugal clutch out of steel, adapted for the engine of the competing vehicle, has been developed, with individual adjustments of the engagement speed of its shoes. The optimal diameter of the centrifugal clutch was calculated to 110 millimeters, resulting in a total weight of the developed clutch of about 730 g. A list of specification has been developed for an appropriate choice of friction material, however, further testing is required to ensure that the desired functionality is achieved due to vibrations that may occur, this was however demarcated in this work.
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Martínez, Daniel. "Design of a Permanent-Magnet Synchronous Machine with Non-Overlapping Concentrated Windings for the Shell Eco Marathon Urban Prototype." Thesis, KTH, Elektrisk energiomvandling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109741.

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This thesis deals with the design of a permanent-magnet synchronous inner rotor motor for an in-wheel application for the Shell Eco Marathon Urban concept vehicle. First of all, concepts related to permanent magnet motors are studied. Likewise, different features of permanent magnet motors are qualitatively evaluated in order to choose the most suitable. A radial flux motor is selected based on its solid, economic and acceptable characteristics. Next, a detailed study of concentrated windings is carried out. Through this investigation, undesirable configurations of pole and slot numbers due to unbalanced magnetic pull or a low fundamental winding factor will be avoided and how to determine the different winding layouts for different pole and slots configuration will be explained. As well, based on this study, and the magnetic and electric behavior of the machine, an analytical model is created. This model calculates the optimum size and characteristics of a machine in order to obtain lightweight design. After that, the design of a program based on a finite element method that simulates different situations for the machine is accomplished, dealing with the difficulties that entails the concentrated windings. Finally, through the use of this program, the machine calculated by the analytical model is analyzed, specially regarding that it does not surpass some important margin in order not to be demagnetized or not to surpass the maximum phase voltage supplied by the batteries.
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Navio, Francisco José Pestana. "Previsão do desempenho de motores alternativos com ignição por faísca." Master's thesis, Universidade da Beira Interior, 2011. http://hdl.handle.net/10400.6/3796.

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O presente trabalho teve como objectivo principal o estudo do desempenho de três motores de pequena cilindrada de forma a verificar se o motor Honda Gx120, que equipou o veículo de baixo consumo da equipa responsável pelo projecto UBICAR, do Departamento de Engenharia Electromecânica da Universidade da Beira Interior, que participou na prova Shell Eco Marathon, foi a melhor escolha. Para o estudo da previsão dos desempenhos dos motores foram efectuadas medições e cálculos de forma a conhecer as suas curvas características, para posteriormente serem utilizadas no programa de simulação UBIANSim. Este, por sua vez, permitiu simular os desempenhos dos motores ao longo da prova da Shell Eco Marathon, tendo em conta a aerodinâmica, o peso, a relação de transmissão, os atritos do veículo e a estratégia que foi utilizada pela equipa para ligar e desligar o motor ao longo da prova. Das simulações foi possível constatar que a opção pelo motor Honda Gx120 foi a mais adequada, pois este apresentou os melhores resultados ao nível de economia do combustível. Foi ainda realizado um estudo sobre a influência que a relação de transmissão, o peso, a aerodinâmica e os atritos de do veículo têm sobre o consumo de combustível do veículo, tendo-se verificado que a melhoria destes parâmetros permitiria obter uma economia de combustível de 26%. Por fim, foi realizado um estudo para determinar como seria o desempenho do motor se o seu ciclo termodinâmico fosse modificado, convertendo o ciclo de Otto num ciclo de Miller, conseguido através da modificação da árvore de cames existente no motor. Para este estudo foram realizadas medições sobre a árvore de cames, cálculos e simulações através do programa Engine Analizer Pro, que permitiu simular um banco de ensaios, permitindo obter as curvas características do motor antes e após a modificação da árvore de cames. Foram também efectuadas simulações com o UBIANSim para determinar o desempenho do motor com a árvore de came modificada ao longo da pista. Pelos resultados obtidos foi possível verificar que, com base nas simulações efectuadas, a modificação da árvore de cames não traria benefícios para o desempenho do motor.
This study's main objective was to study the performance of three small displacement engines in order to verify if the Honda Gx120 engine, which powered the low fuel consumption vehicle of the team responsible for the project UBICAR from Department of Electromechanical Engineering, of the University of Beira Interior, who participated in the Shell Eco Marathon challenge, was the best choice. To predict the engine performance, measurements and calculations were made in order to know their characteristic curves, to later be used in the simulation program UBIANSim. This, in turn, allowed to simulate the performance of the engines along of the Shell Eco Marathon challenge, taking into account the aerodynamic, weight, gear ratio, friction of the vehicle and strategy used by the team to turn the engine on and off throughout the race. From the simulations, we determined that Honda Gx120 engine was the most appropriate, because this showed the best results in terms of fuel economy. Was also carried out a study on the influence that the gear ratio, weight, aerodynamics and friction of the vehicle have on the fuel consumption of the vehicle, it was found that the improvement of these parameters would lead to a fuel economy of 26%. Finally, a study was conducted to determine the performance if the engine’s thermodynamic cycle was modified by converting an Otto cycle in to a Miller cycle, achieved by modifying the engine’s camshaft. For this study were made measurements on the camshaft and calculations and simulations using Engine Analyzer Pro program, which permitted the simulation of the results obtained throught the use of a test bench. These results will result in the characteristic curves of the engine before and after the modification of the camshaft. Simulations were made also with UBIANSim to determine the performance of the engine with the modified camshaft along the track. From the results obtained it was verified that, based on simulations, changing the camshaft would not bring benefits to the engine performance.
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Roshanghias, Daniel, Fonser Filip Kaiserfeld, Ramtin Massoumzadeh, and Kabir Rhythm Sheikh. "Konstruktion av drivlina till Shell Eco Marathon-bil." Thesis, KTH, Maskinkonstruktion (Inst.), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-201602.

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Denna rapport beskriver processen och utvecklingen av en drivlina för KTH:s bidrag till tävlingen Shell Eco Marathon. Konceptet är tänkt att bringa en helt ny lösning till det föregående årets drivlinesystem. En komplexhybrid som bygger på tre motorer, där två utgjordes av elektriska motorer och den tredje var en förbränningsmotor, utvecklades.För att upprätta en välstrukturerad arbetsplan tillämpades den välrenommerade produktutvecklingsprocessen känd som Ulrich & Eppingers modell. Denna bygger på ett antal faser som följs för att upprätthålla en hög kvalité genom hela fortskridandet av arbetet. Avgränsningar tillrättades för att begränsa omfattningen av arbetet till en mer realiserbar och hanterbar mängd inom ramarna för detta projekt. Modellavgränsningarna innefattar ekonomiska såväl som finansiella aspekter då produktutvecklingsmodellen är betydligt mer ingående än vad detta projekt fordrar.Den slutgiltiga produkten togs fram utifrån en iterativ process. Vid konceptgenereringen låg form och funktion ständigt till grund för de beslut som fattades med produktutvecklingsprocessen i åtanke. Utvärdering av dessa medförde att krav och mål dynamiskt ändrades under arbetets gång. Informationssökning om olika befintliga lösningar gjordes för att bygga upp en referensram vilken agerade riktlinje vid beslutsfattande.Visualisering av prototyper och dess ingående komponenter modellerades i form av CAD-bilder för att underlätta beskrivningen om vilka funktionerna var och avsåg att ge insikt om hur de olika prototyperna har itererats fram till en slutgiltig sådan. Matematiska modeller har legat till grund vid dimensionering av särskilda komponenter. FEM-modellering av kritiska komponenter utgjorde ett hjälpmedel vid utvärdering av hållfasthet på dessa.Den resulterande produkten bestod dels av egenframtagna, men även av befintliga lösningar. Vad gäller syftet, att ta fram en egentillverkad fysisk produkt med de kunskaper som inhämtats under projektets gång, anses detta vara uppfyllt.Drivlinan vägde 5,25 kg, hade strax över 20 komponenter och kunde överföra mer moment än det uppsatta kravet på 7 Nm.
This bachelor thesis aims to describe the process of developing a drivetrain for KTH’s contribution for the competition Shell Eco Marathon. The concept developed is meant to produce a completely new drivetrain in relation to previous year’s solution. The solution developed was a complex hybrid, which contains three motors, two of which are electric and one is combustion.To establish a well-structured work plan, the product development model developed by Ulrich & Eppinger was applied during the project. The model is based on several phases meant to ensure high quality throughout the project. Several limitations were set for the prerequisite of this thesis paper to make it manageable. Product development model limitations include economical and financial aspects.The final product was developed through an iterative process. Form and function was constantly in focus when concept generating for the reasoning behind the decisions made in accordance to the product development model. The assessment of these meant that the goals and demands were dynamically changing throughout the project. Information of existing solutions also acted as guidelines for decision-making.Visualization of prototypes and its components were realized using CAD to facilitate the description of the functions and in turn illustrate how the prototypes were developed. Mathematical models were used for dimensioning of parts. FEM calculations were made for some critical components and were used as aid for evaluating the strength of these components.The resulting product had unique and existing solutions in its composition. A physical drivetrain was delivered and so the purpose of this bachelor thesis was met.The drivetrain weighed 5.25 kg, had little over 20 components and could transfer more torque than the target of 7 Nm.
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Faleide, Rolv Marius. "Shell Eco Marathon : Electric Drive for World's Most Fuel Efficient Car." Thesis, Norwegian University of Science and Technology, Department of Electrical Power Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9955.

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A direct driven permanent magnet synchronous machine with concentrated windings is optimized with respect to system efficiency. The goal is to win the European Shell Eco Marathon Urban Concept group using a hydrogen fuel cell and an electric motor. Considerations such as on-board energy storage, a freewheel for coasting, winding design and connections are taken into account. The result is a machine with higher efficiency at all loads and an optimal operation point at cruising speed, obtaining 93% efficiency. Considerations for further improvements in both power electronics and motor design are presented, along with a new philosophy for making very slow PMSM CW machines with multiple phases, both yielding higher efficiency and smaller requirements to structural stiffness.

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Rose, Garrett. "Electrical subsystem for Shell eco-marathon urban concept battery powered vehicle." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2814.

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Thesis (Master of Engineering in Electrical Engineering)--Cape Peninsula University of Technology, 2018.
The purpose of this paper was to design and develop an electrical power train for an Urban Concept electric vehicle geared to complete the Shell Eco-Marathon Africa in 2019. Various technologies which make up the electrical drive train of an electrical vehicle were also reviewed which include the battery pack, the battery management system, the motors, the motor management system and the human interface. Upon completion of this, the various topologies best suited for this project were selected, designed, constructed and developed. Two motors were re-designed and constructed for this vehicle and the motor drive was also constructed to control these motors. A Lithium-Ion battery pack was constructed and developed to drive the motors and an off-the-shelf battery management system was purchased and developed to suit the requirements for the Shell Eco- Marathon competition rules. A human interface was also developed in order for the driver to see various parameters of the electric vehicle defined by the Shell Eco-Marathon competition rules. After each component of the drive train was constructed, they underwent various testing procedures to determine the efficiency of each individual component and the overall efficiency for the complete drive train of this electric vehicle was ascertained. The Product Lifecycle Management Competency Centre group developed the chassis for this vehicle. For this reason, only the electric subsystems were evaluated and a simulation was completed of the complete drive train. After the complete drive train was constructed and all the individual subsystems evaluated and simulated, a vehicle with an overall efficiency of about sixty percent was expected and the completed drive train should be adequate enough to complete the entire Shell Eco-Marathon Africa circuit.
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Liu, Tong. "Energy Management Strategy of a Hybrid Electric Vehicle for Shell Eco-marathon." Thesis, KTH, Maskinkonstruktion (Inst.), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-225875.

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Senaste åren har elhybridfordon visat enorm potential gällande energibesparning och reducering av utsläpp. Genom lämplig energistyrningsstrategi kan en märkbar förbättring uppnås avseende energieffektiviteten med bevarad autonomi. KTH Eco Cars utveckling och forskningsgrupp har under senaste åren forskat på elhybrid prototypen Elba, utvecklad för Shell Eco-marathon (SEM). Dock har frånvaron av en energistyrningsstrategi varit en flaskhals för att kunna uppnå hög energieffektivet och topp placering i SEM. Målet med Examensarbetets är att lösa detta problem genom utveckling av en modellbaserad och optimerad regleringshieraki, möjlig att implementera i Elba. Viss Förarbete har utförts såsom simplifierade modeller av Elba och ingående komponenter i drivlinan och tabell baserad på dynamisk programmering. Omfattningen av detta projekt är att utveckla en komplett energistyrnings hieraki med reglering i tre nivåer. Utvecklingsprocessen går från nedersta till översta nivåen. Arbetet börjar med att förfina de tidigare matematiska modellerna med hjälp av tekniska datablad och uppdaterande resultat från testning av komponenter. Med hjälp av detta utvecklades regulatorer på komponentnivå. Modell-baserad framkoppling tillsammans med återkoppling för störningsrejektion användes för att ersätta den gamla PID-regleringen. För styrning av den mellersta nivåen, den viktigaste delen i detta projekt, används ekvivalent förbruknings reducerings strategi för att uppnå momentan momentöverföringsfördelning på tre drivande komponenter. I denna process tas hänsyn till optimerad bränsleförbrukning och realtids övervakning av batteriets laddning. För att bevara Elbas körbarhet har olämpliga arbetslägen identifieras och förkastas för att förhindra frekvent på och avstängning av motorer och minde energieffektiv återhämtning. För att förbättra den dynamisk programmerade tabellens funktionalitet har en bestämmande funktion lagts till. Den nya modifierade tabellen kan ge accelerationsreferens som fungerar som den översta nivåen. Projektet avslutas med simulering i MATLAB/Simulink miljön. Resultaten från simuleringarna visar en signifikant förbättrring gällande energieffektiviteten och bevarande av batteriets laddning jämfört med den tidigare regleringsstrategin. Dock baseras dessa resultat på vissa idealiseringar och simplifierade modeller. Utvecklandet av en optimerad regleringsstrategi har givit viktiga erfarenheter och åstadkommanden under detta examensarbete. Resultaten kommer att verifieras genom fälttester och bidra till Elbas utveckling i framtiden.
In contemporary world, hybrid electric vehicles (HEVs) have shown enormous potential in energy-saving and emission-reducing. By appropriate energy management strategy (EMS), an obvious improvement concerning energy efficiency could be achieved meanwhile self-sustainability is well reserved. Based on a specific HEV prototype Elba developed for Shell Eco-marathon (SEM), relevant research has been carried out by KTH Eco Cars research and development (R&D) teams during recent years. However, because of lack of a proper EMS, Elba meets a bottleneck on improving its energy efficiency and obtaining excellent grade in SEM. To solve this problem, this project is launched to develop a model-based optimization control hierarchy which can be implemented in Elba. Prior to this, some preliminary works have been done, including a set of simplified models of Elba and its powertrain components, and a dynamic programming (DP) based look-up table. Thus, the scope of this project is defined as establishing a complete energy management control hierarchy including three-layer controls. The developing process runs from bottom to top layer. The work starts from refining the original mathematical models according to the newly updated results of components testing and related technical datasheets. Then component-level controllers are developed. Model-based feedforward control together with feedback control for disturbance rejection is employed to replace previous PID control. In the middle layer control, the most significant part in this project, equivalent consumption minimization strategy (ECMS) is employed to realize a properly instantaneous torque split scheme on three propelling components. In this process, optimized fuel consumption among with real-time battery state of charge (SOC) are taken into account. To preserve Elba’s drivability, an improper working mode is identified and rejected to avoid frequent engine switching on/off as well as less efficient energy recuperation. In terms of the infeasibility of the existing DP based look-up table, a reasonable adjudgment function is introduced to complement its functionality. Thus, the modified look-up table is able to provide rational acceleration reference acting as top layer control. The whole work is finished in MATLAB/Simulink platform. The simulation results indicate that, compared with the previous control strategy, the new one significantly improves energy efficiency and better preserves battery SOC. Indeed, these decent results are on basis of some ideal assumption and simplified models. As an attempt on research and development of optimization control strategy, some precious experience and achievements have been, after all, obtained during the thesis work. All these will be verified by field tests and will promote Elba’s further upgrading in the future.
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Book chapters on the topic "Shell Eco Marathon - Motor"

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Vladimirovich, Sotskov Andrey, Khaziev Anvar Askhatovich, and Izmaylova Diana Ansarovna. "Assessment of Energy Efficiency of Race Cars of Shell Eco-Marathon Competitions." In VIII International Scientific Siberian Transport Forum, 519–26. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37916-2_50.

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Sternal, Kamil, Adam Cholewa, Wojciech Skarka, and Mirosław Targosz. "Electric Vehicle for the Students’ Shell Eco-Marathon Competition. Design of the Car and Telemetry System." In Telematics in the Transport Environment, 26–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-34050-5_4.

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Mitev, Emil, Simeon Iliev, and Dancho Gunev. "A Study of Electric Vehicle Prototype for Shell Eco-marathon." In DAAAM Proceedings, 0432–41. DAAAM International Vienna, 2019. http://dx.doi.org/10.2507/30th.daaam.proceedings.058.

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Conference papers on the topic "Shell Eco Marathon - Motor"

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Kőrös, Péter, Ernő Horváth, István Lakatos, and Ferenc Szauter. "Two Operating States-Based Low Energy Consumption Vehicle Control." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67978.

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The current paper presents a realization of a complex vehicle control task. The goal was to consume the lowest possible energy in a less than 100 kg, wheel hub motor-driven vehicle. The realization is based on two distinguishable operating states which states characterizes well the driving cycle of the vehicle. The main contribution of the proposed method is that it reliably estimates the external loads which interacts the vehicle, the controller can adapt to this changes thus it can guarantee the minimal energy consumption. The vehicle described in the paper is a participant at the Shell Eco-marathon Europe competition in Urban Concept - Battery Electric category.
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Galmarini, Gianmarco, Stefano Dell'Agostino, Massimiliano Gobbi, and Giampiero Mastinu. "Solar Prototype for Shell-Eco Marathon Race." In WCX™ 17: SAE World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2017. http://dx.doi.org/10.4271/2017-01-1260.

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Alnunu, Nasser, Samer Said, Sami Al-Sharman, Ahmad Al-Ibrahimi, Ahmed AbdulAziz, Mohammed Al Hellabi, Farid Touati, Saud Ghani, El-Sadig Mahdi, and Mohieddine Benammar. "Design of Qatar University's first solar car for Shell Eco-marathon competition." In 2012 First International Conference on Renewable Energies and Vehicular Technology (REVET). IEEE, 2012. http://dx.doi.org/10.1109/revet.2012.6195247.

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von Solms, S., and H. Nel. "Reflective learning in engineering education: A case study of shell ECO-marathon." In 2017 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM). IEEE, 2017. http://dx.doi.org/10.1109/ieem.2017.8289895.

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Howlader, Ajad Hossain, Noor Alam Chowdhury, Mazen Mohammad Kamel Faiter, Farid Touati, and Mohieddine Amor Benammar. "Development of energy efficient battery electric car for Shell Eco-Marathon competition - Qatar University experience." In 2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER). IEEE, 2014. http://dx.doi.org/10.1109/ever.2014.6844148.

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Maia, Carlos, and Raquel da Cunha Ribeiro da Silva. "ANÁLISE AERODINÂMICA DE UMA CARENAGEM DE VEÍCULO DE EFICIÊNCIA PARA A COMPETIÇÃO SHELL ECO-MARATHON." In CREEM2020. ABCM, 2020. http://dx.doi.org/10.26678/abcm.creem2020.cre2020-0023.

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Verma, Ankit Rajendrakumar, Akash Chaurasia, Somesh Sunil Jaiswal, Lakshya Bhonde, Rishav Guha, Himanshu Sahu, Saurabh Patel, et al. "Team AVERERA’s Alterno V4.0 - A Hyper Energy-Efficient Electric Prototype Vehicle for Shell Eco-Marathon." In SAE WCX Digital Summit. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2021. http://dx.doi.org/10.4271/2021-01-0792.

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Slate, Sean, Mathew Fuini, Damion Rose, Alexander Kutterer, Brandon Patton, Windell Cox, and Messiha Saad. "Design of a Hydrogen Fuel Cell Vehicle in the Capstone Design Course." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-11466.

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The capstone course in Mechanical engineering at North Carolina A&T State University (NCA&TSU) is divided into two semesters. Team design projects begin in the fall semester and continued during the following spring semester. North Carolina State University, we, like virtually all other engineering programs, require a capstone course involving a major design project. This year a team of four mechanical engineering students and two electrical engineering students has decided to design and build a fuel efficient hydrogen fuel cell vehicle to compete in the 2009 Shell Eco-Marathon. The competition is designed to provide engineering students with a real life design experience. The objective of the competition is to encourage innovation and foster the development of sustainable mobility. Participants can design a vehicle for the Prototype Group or the Urban Concept Group. The Prototype Group allows maximum technical creativity, while imposing minimum design restrictions. The Urban Concept Group is closer to actual road going vehicles and addresses current transportation requirements. Both groups must meet the design criteria and meet safety standards provided by the 2009 Shell Eco-Marathon Official Rules. Participants must also select from a list of Shell approved energy sources to power their vehicles. The list includes both traditional fuels and alternative fuels. The main objective of the competition is maximum fuel efficiency. This year NCA&T Shell Eco-Marathon team has decided to enter the Prototype Group and has selected Hydrogen as the energy source. Our team placed in the third place in the hydrogen fuel cell prototype group. The completion of the Shell Eco-Marathon design project will serves as a valuable learning experience, while demonstrating the technical abilities of the students.
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Sabarad, Satvik, and Shubhashis Sanyal. "Establishing an optimal eco-driving strategy for an electric vehicle through testbed simulation — A case study from Shell Eco-Marathon 2018." In 2019 IEEE Students Conference on Engineering and Systems (SCES). IEEE, 2019. http://dx.doi.org/10.1109/sces46477.2019.8977209.

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Stabile, P., F. Ballo, M. Gobbi, and G. Mastinu. "Innovative Chassis Made From EPP and CFRP of an Urban-Concept Vehicle." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22244.

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Abstract The paper presents a fully new chassis of a high efficiency vehicle for the Shell Eco-marathon competition. The chassis is realized by a sandwich structure with an expanded polypropylene (EPP) core and carbon fiber reinforced plastic (CFRP) external skins. The chassis is connected to the body to realize a safe and stiff structure. Numerical analyses have been performed to assess the stiffness, safety and dynamic eigenfrequencies of the chassis. A Finite Element model of the entire chassis and body was developed. The manufacturing process of the entire chassis and body is described in the paper and some data obtained during on-track tests of the vehicle are presented. The vehicle reached the 4th place at the 2019 edition of the Shell Eco-marathon competition, with an equivalent energy consumption of 184 km/kWh.
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