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Dissertations / Theses on the topic 'Traction torque'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Handoko, Yunendar Aryo, and yunendar@inka web id. "INVESTIGATION OF THE DYNAMICS OF RAILWAY BOGIES SUBJECTED TO TRACTION / BRAKING TORQUE." Central Queensland University. Centre for Railway Engineering, 2006. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20070209.101959.

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The limitations of current simulation packages in addressing the true longitudinal behaviour of railway bogie dynamics during braking/traction has prompted the development of a Rail Bogie Dynamics (RBD) program in this thesis. The RBD program offers novel features for the calculation of the speed profile as a function of the brake torque as well as explicitly determining wheelset angular velocity. With such capability, the speed profile is no longer treated as an input calculated as a priori as required by most of the current simulation systems. The RBD program has been developed using a formu

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2

Kouns, Heath. "Analysis of Performance Characteristics of Electric Vehicle Traction Drive in Low Speed/Low Torque Range." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/36287.

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In a world with a growing population there is a trend toward higher and higher energy usage. Because of the cost involved in producing extra energy, there is a need for more efficient usage of the energy that is already available. The issue of efficiency rings home especially clear with electric motors. Although induction motors are used in many different applications, the motors used in electric vehicles must be able to generate a large starting torque as well as operate over a wide speed range. This work analyzes the restrictions placed on the motor and inverter drive system. It also lo

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3

Falbo, Giorgia. "Study of the torque vectoring control problem." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19725/.

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The aim of this thesis is to address the design of a torque vectoring system for an electric All-Wheel-Drive car. The torque vectoring objective is to substitute the need of a mechanical differential in case of an electric car with four individual hub motors. It can be exploited also to perform various forms of electronic stability, such as traction and launch control, improving safety, sports performance and off-road capabilities of vehicles. These technologies involve individual control of each wheel’s drive torque or braking force in response to the dynamics of the driving conditions and th

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4

Fiorese, Diego Augusto 1985. "Desenvolvimento e validação de um sistema eletromecânico para determinação do torque nas rodas motrizes de tratores agrícolas /." Botucatu, 2014. http://hdl.handle.net/11449/142950.

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Orientador: Kleber Pereira Lanças<br>Banca: João Alberto Borges de Araujo<br>Banca: João Eduardo Guarnetti Santos<br>Banca: Arno Udo Dallmeyer<br>Banca: Ila Maria Correa<br>Resumo: As transmissões dos tratores agrícolas transferem energia do motor para as rodas motrizes, e o torque disponível nos rodados é convertido em tração bruta, que é responsável por vencer a resistência ao rolamento do trator e pela tração disponível (líquida) na barra de tração do trator. Este trabalho teve por objetivo desenvolver um sistema eletromecânico para determinação do torque no eixo das rodas motrizes de trato

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5

Fiorese, Diego Augusto [UNESP]. "Desenvolvimento e validação de um sistema eletromecânico para determinação do torque nas rodas motrizes de tratores agrícolas." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/142950.

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Made available in DSpace on 2016-08-12T18:48:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-04-28. Added 1 bitstream(s) on 2016-08-12T18:50:50Z : No. of bitstreams: 1 000865107.pdf: 4437907 bytes, checksum: e7ddb13aa3f55f61c8170d212055f16e (MD5)<br>As transmissões dos tratores agrícolas transferem energia do motor para as rodas motrizes, e o torque disponível nos rodados é convertido em tração bruta, que é responsável por vencer a resistência ao rolamento do trator e pela tração disponível (líquida) na barra de tração do trator. Este trabalho teve por objetivo desenvolver um siste

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6

Hu, Zheng [Verfasser]. "Optimization-based robust control for high-performance torque vectoring in electric vehicles operated by induction traction motors / Zheng Hu." Aachen : Shaker, 2017. http://d-nb.info/1138178713/34.

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7

Saur, Michael [Verfasser]. "Nonlinear Deadbeat-Direct Torque and Flux Control for Highly Saturated Synchronous Reluctance Machines in Automotive Traction Applications / Michael Saur." Aachen : Shaker, 2017. http://d-nb.info/112436546X/34.

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8

Karlsson, Mattias, and Sebastian Johansson. "Evaluation of Traction Control Systems for an Electric Forklift Truck." Thesis, Linköpings universitet, Fordonssystem, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-176552.

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This thesis evaluates different controllers for traction control on an electric forklift truck and has been done in cooperation with Toyota Material Handling Manufacturing Sweden. The need for a traction control system has increased with the introduction of lithium-ion batteries replacing the older lead-acid batteries, reducing the battery weight and therefore the downward force on the driving wheel increasing the risk for slip. The forklift truck was modelled using Simulink and validated by experiment. Different possible control strategies were investigated and three were chosen for implement

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9

Carraro, Enrico. "Analysis and design procedures of permanent magnet machines for hybrid electric vehicles and rail-traction applications." Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3421927.

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The interest for Permanent Magnet (PM) synchronous machines has increased in the recent years. This is mainly due to important developments in the field of the electrical machine design, control systems and PM technology. These factors enable the possibility of designing electrical machines with a high torque density, power density, efficiency, low cost with wide degrees of freedom. Such requirements are highly sought in the automotive field, especially following the increasingly stringent energy efficiency and air pollution emissions policies. These conditions are pushing forward the transiti

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10

Михайлиця, Павло Романович, та Pavlo Romanovych Mykhailytsia. "Проект дільниці ремонтного цеху для технічного обслуговування та ремонту трансмісії легкового автомобіля Skoda Octavia з дослідженням тягово-швидкісних характеристик гідротрансформатора". Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2020. http://elartu.tntu.edu.ua/handle/lib/33536.

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Роботу виконано на кафедрі автомобілів Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України. Захист відбудеться 23 грудня 2020 р. о 11:00 годині на засіданні екзаменаційної комісії № 10 у Тернопільському національному технічному університеті імені Івана Пулюя за адресою: 46001, м. Тернопіль, вул. Текстильна, 28, навчальний корпус № 9, ауд. 106.<br>В кваліфікаційній роботі розроблено технологію технічного обслуговування та ремонту трансмісії легкового автомобіля Skoda Octavia, а також досліджено тягово-швидкісних характеристик гідротрансфор

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11

Villella, Matthew G. "Nonlinear Modeling and Control of Automobiles with Dynamic Wheel-Road Friction and Wheel Torque Inputs." Thesis, Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5198.

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This thesis presents a new nonlinear automobile dynamical model and investigates the possibility of automobile dynamic control with wheel torque utilizing this model. The model has been developed from first principles by applying classical mechanics. Inputs to the model are the four independent wheel torques, while the steer angles at each wheel are specified as independent time-varying signals. In this way, consideration of a variety of steering system architectures, including rear-wheel steer, is possible, and steering introduces time-varying structure into the vehicle model. The frictio

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12

Hu, Zheng Verfasser], Kay [Akademischer Betreuer] [Hameyer, and Axel [Akademischer Betreuer] Mertens. "Optimization-based robust control for high-performance torque vectoring in electric vehicles operated by induction traction motors / Zheng Hu ; Kay Hameyer, Axel Mertens." Aachen : Universitätsbibliothek der RWTH Aachen, 2017. http://d-nb.info/1162498242/34.

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13

Hu, Zheng [Verfasser], Kay [Akademischer Betreuer] Hameyer, and Axel [Akademischer Betreuer] Mertens. "Optimization-based robust control for high-performance torque vectoring in electric vehicles operated by induction traction motors / Zheng Hu ; Kay Hameyer, Axel Mertens." Aachen : Universitätsbibliothek der RWTH Aachen, 2017. http://nbn-resolving.de/urn:nbn:de:101:1-2018071006521376576062.

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14

Zinzani, Michele. "Electric drives for ORTO - Orchard Rapid Transit Operation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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This thesis is focused on a novel agricultural technique for orchard cultivations that allows to perform automatic and fossil fuel free cultivation operations. More specifically, the aim of this thesis work is to study and implement the electric traction system and control the vehicle that performs the automatic operations. Starting from the analysis of each single component of the traction system, the control of the mobile platform will be then performed. After a first control of the mobile platform in no load conditions, the implementation of the dynamic model will be performed in the Simu

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15

Pelissou, Catherine. "Controle du couple d'une machine asynchrone pour la traction ferroviaire à moyenne et grande vitesse : transitions des modes de commandes et de MLI." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0101.

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Lors de la présente étude, nous avons conçu et réalisé une structure de contrôle synchrone du couple et du flux d'une machine asynchrone dans le domaine des moyennes et hautes vitesses. En effet, sur cette plage de vitesse le contrôle vectoriel par flux orienté n'est pas actuellement utilisable. Cette structure est associée à différents modèles de MLI, également synchrones. Les limitations imposées par l'onduleur ne permettant plus un fonctionnement asynchrone, à fréquence fixe, pour l'ensemble de la commande. La conception de cette commande s'est appuyée sur une modélisation de la machine qui

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16

Meißner, Christian. "Entwicklung von Getriebesystemen zur aktiven Drehmomentverteilung für Fahrzeuganwendungen." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-77033.

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Moderne Kraftfahrzeuge werden mit einer Vielzahl von Fahrerassistenzsystemen ausgestattet um die Sicherheit, die Traktion, die Energieeffzienz, die Agilität und den Komfort noch weiter zu verbessern. Diese Ziele können zu einem Großteil mit einer aktiven Drehmomentverteilung, auch Torque Vectoring genannt, erreicht werden. Dafür sind jedoch Getriebesysteme erforderlich, welche unabhängig vom Fahrzustand und vom Antriebsmoment eine nahezu beliebige Drehmomentverteilung ermöglichen. In der vorliegenden Arbeit werden zunächst Grundlagen zu Getriebesystemen, insbesondere zu Planetengetrieben, und

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17

Belhadi, M'hamed. "Étude de machines à réluctance variable pour une application de traction électrique : réduction des ondulations de couple et des efforts radiaux." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112185.

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Le mémoire traite de la machine à réluctance variable en proposant d'une manière simultanée et du point de vue conception des solutions à ses deux inconvénients majeurs à savoir les ondulations de couple et les efforts radiaux. Les premières se propagent le long de la chaine de transmission diminuant ainsi le confort des usagers et les deuxièmes sont à l’origine d’une nuisance sonore. Dans une première partie et en s’intéressant à une structure axiale caractérisée par une faible force radiale, un bilan sur cette structure est donc établi. En effet, une configuration à deux stators et un rotor

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18

Meißner, Christian. "Entwicklung von Getriebesystemen zur aktiven Drehmomentverteilung für Fahrzeuganwendungen." Doctoral thesis, Wissenschaftliche Scripten, 2010. https://monarch.qucosa.de/id/qucosa%3A19586.

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Moderne Kraftfahrzeuge werden mit einer Vielzahl von Fahrerassistenzsystemen ausgestattet um die Sicherheit, die Traktion, die Energieeffzienz, die Agilität und den Komfort noch weiter zu verbessern. Diese Ziele können zu einem Großteil mit einer aktiven Drehmomentverteilung, auch Torque Vectoring genannt, erreicht werden. Dafür sind jedoch Getriebesysteme erforderlich, welche unabhängig vom Fahrzustand und vom Antriebsmoment eine nahezu beliebige Drehmomentverteilung ermöglichen. In der vorliegenden Arbeit werden zunächst Grundlagen zu Getriebesystemen, insbesondere zu Planetengetrieben, und

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19

Best, Kevin B. "Tractor-trailer wheel stud tightening, torque wrench versus angle-torque tightening." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0003/MQ42587.pdf.

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20

Arab, Mohammad-Waseem. "Étude et conception d'un groupe motopropulseur électrique à faibles niveau vibratoire et sonore pour véhicule électrique. Aspects "contrôle - commande"." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112231/document.

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Dans un contexte mondial régi par de multiples facteurs économiques, énergétiques et environnementaux, la transition vers des modes de transport à zéro émission polluante semble inévitable. De ce fait, les constructeurs automobiles s’investissent de plus en plus dans le développement de groupes motopropulseurs électriques afin d’anticiper les besoins du marché. Parmi les différentes technologies de machines électriques considérées pour cette application, la Machine à Réluctance Variable à Double Saillance (MRVDS) présente des caractéristiques très attractives pour le milieu industriel.Les trav

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21

Procházka, Petr. "Využití palivových článků v trakčních pohonech." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-233520.

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The main goal of the work is development of the electric car with fuel cells. The whole complex drive will be optimized with respect of minimal consumption of the energy due to achievement of the maximal range of the car. The first part of the work deals with definition of the parameters of the whole drive in dependence of various operating state of the car. The second part describes some acceptable realizations of the traction drive. The most suitable solution was chosen for realization of the small electric car. The third part deals with principle of the minimization of the losses of the asy

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22

Osinenko, Pavel. "Optimal slip control for tractors with feedback of drive torque." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-155357.

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Traction efficiency of tractors barely reaches 50 % in field operations. On the other hand, modern trends in agriculture show growth of the global tractor markets and at the same time increased demands for greenhouse gas emission reduction as well as energy efficiency due to increasing fuel costs. Engine power of farm tractors is growing at 1.8 kW per year reaching today about 500 kW for the highest traction class machines. The problem of effective use of energy has become crucial. Existing slip control approaches for tractors do not fulfil this requirement due to fixed reference set-point.

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23

Senatore, Carmine. "Prediction of mobility, handling, and tractive efficiency of wheeled off-road vehicles." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/37781.

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Our society is heavily and intrinsically dependent on energy transformation and usage. In a world scenario where resources are being depleted while their demand is increasing, it is crucial to optimize every process. During the last decade the concept of energy efficiency has become a leitmotif in several fields and has directly influenced our everyday life: from light bulbs to airplane turbines, there has been a general shift from pure performance to better efficiency. In this vein, we focus on the mobility and tractive efficiency of off-road vehicles. These vehicles are adopted in military,

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24

Thomas, Carlos Alberto Kern. "Análise de veículos para atividades agrícolas por meio do consumo de combustível e torque na tomada de potência." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/37387.

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Na hora de investir na compra de um novo trator o empresário do agronegócio se coloca diante da difícil missão de fazer uma escolha racional entre os diversos modelos comercias dos diferentes fabricantes e das suas reais necessidades. O objetivo principal deste trabalho foi desenvolver um ferramental que permita obter informações para a comparação teórica entre as demandas de torque e potência exigidas em trabalho de campo de um trator e os resultados de testes convencionais realizados em bancadas dinamométricas.Para tanto, foram realizados ensaios em tratores comerciais de variadas marcas e m

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25

Dunn, Ashley L. "Jackknife stability of articulated tractor semitrailer vehicles with high-output brakes and jackknife detection on low coefficient surfaces." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1061328963.

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26

Bracikowski, Nicolas. "Modélisation multi-physique par modèles à constantes localisées ; application à une machine synchrone à aimants permanents en vue de son dimensionnement." Phd thesis, Ecole Centrale de Lille, 2012. http://tel.archives-ouvertes.fr/tel-00905641.

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Afin de définir une conception optimale d'un système électromécanique, celui-ci doit intégrer des contraintes toujours plus drastiques et de nombreux phénomènes physiques issus de : l'électromagnétique, l'aérothermique, l'électronique, la mécanique et l'acoustique. L'originalité de cette thèse est de proposer une modélisation multi-physique pour la conception reposant sur des modèles à constantes localisées : solution intermédiaire entre la modélisation analytique et numérique. Ces différents modèles permettront l'étude et la conception sous contraintes d'une machine synchrone à aimants perman

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27

Yang, Cheng-Chieh, and 楊政傑. "Adaptive Control of Traction Torque Control for Electric Scooter." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/nkbb54.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>96<br>The motor parameters of the electric scooter might change under different operating conditions. In this research, adaptive control is applied for the electric scooter to improve the performance of the traction torque control. First, a dynamic simulation model is established in Matlab/Simulink, which consists of driver model, motor dynamics, tire dynamics, and longitudinal dynamics. Recursive least square approach of system identification is used to identify the parameters of the electric motor with pulse width modulation dynamics. The identified parameters a

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28

(9847868), Zuoyan Zhang. "Effect of traction/brake torque on the dynamics of wagons." Thesis, 2008. https://figshare.com/articles/thesis/Effect_of_traction_brake_torque_on_the_dynamics_of_wagons/13465325.

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"Braking and traction torques are not explicitly considered in most of the wagon dynamics simulation packages, as their primary focus is to provide a platform for long distance route simulations with near real-time scenarios which demands fast solution algorithms. These packages consider the braking scenarios through the definition of speed profile as a priori. It is commonly acknowledged that the speed profile is affected by tribological and geometric parameters at the wheel-rail interface as well as the characteristics of brake application. Hence it’s prudent to evaluate the speed profile ba

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29

(9801527), Yunendar Handoko. "Investigation of the dynamics of railway bogies subjected to traction/braking torque." Thesis, 2006. https://figshare.com/articles/thesis/Investigation_of_the_dynamics_of_railway_bogies_subjected_to_traction_braking_torque/13417079.

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"The limitations of current simulation packages in addressing the true longitudinal behaviour of railway bogie dynamics during braking/traction has prompted the development of a Rail Bogie Dynamics (RBD) program in this thesis. The RBD program offers novel features for the calculation of the speed profile as a function of the brake torque as well as explicitly determining wheelset angular velocity. With such capability, the speed profile is no longer treated as an input calculated as a priori as required by most of the current simulation systems. The RBD program has been developed using a form

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30

Chen, Nai-chiang, and 陳乃強. "Design and simulation of a "kick-and-go" precision controller sub ject to the bearing traction torque disturbances." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/64730902163836950570.

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碩士<br>國立臺灣大學<br>機械工程研究所<br>81<br>Bearing traction torque is an important factor to a precision po sitioning system. The performance of precision controllers may be greatly improved if the bearing traction torque can be accurately estimated. In the conventional PID controllers, integrator are us ed to eliminate small steady state errors; however, they may creat e small stick-slip oscillations on the controller outputs if bear ing traction torque are presented. To improve the controller accur

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31

Shyu, Yun-Chieh, and 徐允捷. "Integrated Vehicle Dynamic Control for an Electric Vehicle by Independent Four-Wheel Traction Torque and Braking Force Control." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/01458753165351714680.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>99<br>The purpose of this paper is to establish and to investigate a Vehicle Dynamic Control Strategy for an independent four-wheel driven electric vehicle. This strategy achieved those functions of Traction Control System (TCS), Anti-Slip Braking Control (ASBC), Active Yaw Control (AYC), and regenerative brake by integrating traction torque control, braking force control, and four-wheel torque distribution. In recent years, many research organizations and car manufacturer started electric vehicle (EV) development due to oil crisis and global warming problems. Compa

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32

Ji, P. "Development and simulation of a traction control system using individual motor direct torque control techniques for a formula SAE electric racing vehicle." Thesis, 2020. https://eprints.utas.edu.au/35854/1/Ji_whole_thesis.pdf.

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Independent-drive electric vehicles represent an advanced approach to vehicle dynamic control. The main feature of these systems is that they use traction motors that are independently connected to each wheel. This results in a shorter driveline, higher transmission efficiency, more compact packaging, and better utilisation of space. Combined with the torque information produced by electric traction motors, an independent-drive electric vehicle system is capable of performing traction control, antilock braking control and electronic power steering. Traction control is also an effective strateg

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33

Dunn, James Thomas. "The effect of torque reaction on the tractive performance of a quarter scale model four-wheel-drive tractor with locked and unlocked differentials." 1985. http://hdl.handle.net/1993/28938.

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34

Osinenko, Pavel. "Optimal slip control for tractors with feedback of drive torque." Doctoral thesis, 2014. https://tud.qucosa.de/id/qucosa%3A28368.

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Traction efficiency of tractors barely reaches 50 % in field operations. On the other hand, modern trends in agriculture show growth of the global tractor markets and at the same time increased demands for greenhouse gas emission reduction as well as energy efficiency due to increasing fuel costs. Engine power of farm tractors is growing at 1.8 kW per year reaching today about 500 kW for the highest traction class machines. The problem of effective use of energy has become crucial. Existing slip control approaches for tractors do not fulfil this requirement due to fixed reference set-point.

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