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Dissertations / Theses on the topic 'Positional electric drive'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Smuts, Johan L. (Johan Leodolf). "Critical evaluation of a position sensorless control technique for the reluctance synchronous machine drive." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/70135.

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Thesis (MScEng)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: The aim of this study is to critically evaluate the voltage injection position sensorless control technique as applied to the reluctance synchronous machine (RSM) drive and to implement the technique on a 5.5 kW RSM and a 110 kW RSM. The technique is evaluated by using an accurate mathematical model of the RSM in a simulation package, called Simuwin. The negative effects that cross-magnetisation and the slotted air-gap have on the technique are intensively investigated. It was showed that these effects can cause an

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2

Дудник, Алексей Валентинович. "Оптимальные системы управления переходными процессами энергосберегающих объектов с переменными параметрами". Thesis, НТУ "ХПИ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22099.

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Диссертация на соискание ученой степени кандидата технических наук по специальности 05.13. 03 – системы и процессы управления. – Национальный технический университет "Харьковский политехнический институт", Харьков, 2016. Диссертация посвящена решению научно-практической задачи усовершенствования оптимальной по затратам энергии системы управления. В диссертационной работе рассмотрен метод оптимального управления в линейной системе при квадратичном критерии качества с учётом ограничений на управляемые координаты, применительно к разомкнутой системе. Показано, что существует шесть вариантов алго

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3

Дудник, Олексій Валентинович. "Оптимальні системи керування перехідними процесами енергозаощаджуючих об'єктів зі змінними параметрами". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22091.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.13. 03 – системи та процеси керування. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016. Дисертація присвячена вирішенню науково-практичної задачі вдосконалення оптимальною за витратами енергії системи керування. У дисертаційній роботі розглянуто метод оптимального керування в лінійній системі при квадратичному критерії якості з урахуванням обмежень на керовані координати, стосовно до розімкнутої системи. Показано, що існує шість варіантів алгоритмів оптимального керува

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4

Villet, Wikus Theo. "Critical evaluation and application of position sensorless control techniques for reluctance synchronous machines." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86527.

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Thesis (PhD)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The position sensorless controllability of the reluctance synchronous machine (RSM) is investigated in this thesis with the focus on industry applications where variable and dynamic torque is required from startup up to rated speed. Two low speed as well as one medium to high speed position sensorless control (PSC) method for RSMs are investigated. These methods are extended to operate in the entire rated speed region with a hybrid PSC structure that makes use of phase locked-loop synchronisation and a hysteresis changeover

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5

Panda, Sanjib Kumar. "Indirect rotor position sensing for switched reluctance motor drives." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387052.

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6

Zhao, Shuang. "Analysis and Control Aspects of a PMSynRel Drive in a Hybrid Electric Vehicle Application." Doctoral thesis, KTH, Elektrisk energiomvandling, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-139592.

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This thesis deals withmodeling and control of an electric drive equipped with a permanentmagnet assisted synchronous reluctance (PMSynRel) machine for a plug-in hybrid electric vehicle application. In the first part of the thesis, a special use of the PMSynRel machine in consideration, known as an integrated charger concept, is investigated. The integrated charger feature allows using the PMSynRel machine as a part of the vehicle’s on-board charging system when charging the battery from the grid. A finite-element based analysis is performed providing important insights into the machine operati

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7

Ertugrul, Nesimi. "Position estimation and performance prediction for permanent-magnet motor drives." Thesis, Online version, 1993. http://ethos.bl.uk/OrderDetails.do?did=1&uin=uk.bl.ethos.357041.

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8

Swize, Gregory Emil 1974. "Implementation of a sinusoidal current drive for a brushless three phase motor using a common sense resistor for rotor position feedback." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/49660.

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9

Soják, Vojtěch. "Konstrukce dvouosého manipulátoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231978.

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This master thesis deals with the design of a two-axis manipulator according to entered parameters. In the first chapter provides description of kinematics structures of industrial robots and manipulators and their workspaces. Next parts focus on search in the used components, producers of manipulators and of current design manipulators at JCEE s.r.o. Lanškroun. The practical part deals with the design and construction of custom manipulator and its price calculation.

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10

Gargano, Ivan Enzo. "Model-Based validation of Driver Drowsiness Detection System for ADAS." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25716/.

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The work described in this Master’s Degree thesis was born after the collaboration with the company Maserati S.p.a, an Italian luxury car maker with its headquarters located in Modena, in the heart of the Italian Motor Valley, where I worked as a stagiaire in the Virtual Engineering team between September 2021 and February 2022. This work proposes the validation using real-world ECUs of a Driver Drowsiness Detection (DDD) system prototype based on different detection methods with the goal to overcome input signal losses and system failures. Detection methods of different categories have been

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11

Faggion, Adriano. "Algorithms and Rotor Designs for the Position Estimation of PM Synchronous motors at Zero and Nonzero Speed." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427488.

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This thesis deals with the estimation algorithms, reassuming in detail the principles commons techniques and testing them in simulation and by experimentation. The following estimator typologies are discussed: MRAS estimator in the high speed region, estimator based on the high frequency injection signals in the low and zero speed region. As regards the MRAS estimator, after its description, a particular application that exploits this estimation solution is presented. Then, a sensorless control of a Permanent Magnet synchronous motor drive for a hybrid electric catamaran is reported. A Surfa

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12

Bouwer, Pieter. "Modelling, design and implementation of a small-scale, position sensorless, variable speed wind energy conversion system incorporating DTC-SVM of a PMSG drive with RLC filter." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80242.

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Thesis (MScEng)--Stellenbosch University, 2013.<br>Wind energy has proven to be a viable source of clean energy, and the worldwide demand is growing rapidly. Variable speed topologies, with synchronous generators and full-scale converters, are becoming more popular, and the e ective control of these systems is a current trend in wind energy research. The purpose of this study is the modelling, design, simulation and implementation of a small-scale, variable speed wind energy conversion system, incorporating the position sensorless direct torque control with space vector modulation, of a

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13

Wang, Jing. "Development of Graphitic Carbon Nitride based Semiconductor Photocatalysts for Organic Pollutant Degradation." Doctoral thesis, KTH, Tillämpad processmetallurgi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173216.

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As a potential solution to the global energy and environmental pollution, design and synthesis of artificial photocatalysts with high activities have attracted increasing scientific interests worldwide. In recent years, the graphitic carbon nitride (g-C3N4) has shown new possible applications in the photocatalytic field due to its unique properties. However, the photocatalytic efficiency of the pristine g-C3N4 is greatly limited by the high recombination rate of the photo-induced electron-hole pairs. In this thesis, the aim is to design and fabricate efficient g-C3N4 based photocatalysts with

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14

Tay, Yi Yang. "New technologies and applications in energy-absorbing cellular materials, airbag pre-deployment, injury prediction to out-of position occupants, and estimation of driver fatality ratio, for enhancing passive safety of road vehicles in side-impact accidents." Thesis, Wichita State University, 2014. http://hdl.handle.net/10057/10985.

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The automotive industry is repeatedly tasked with improving vehicles structural strength, optimizing active and passive safety features, reducing occupant injury potential, and hitting lean manufacturing goals. The challenge is to find solutions to reduce production and research costs, and to maximize the vehicle's capability in protecting its occupants in the event of an accident. The influence of impact loading on the dynamic responses of vehicle structures and occupants require special consideration in the field of vehicle crashworthiness. The main goal of this study is to address the funda

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15

Jon, Václav. "Elektrický pohon zkušebního pracoviště." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217197.

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The master thesis deals with problems of electrical gears divided to the teoretical and practical part of submitted work. Thesis was created in conjuction with company VUES Brno s.r.o. The author of the master thesis accomplished three-month work experience at aforementioned company and consequently solved the national project: Automatic station with utilization of active synchronic brakes for testing electrical hand-held tools. The project included creating full-automatic station for testing life-time cyclic tests electrical hand-held tools. The author of the project engage in programme for f

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16

Cheng, Wei Fu, and 鄭韋甫. "DEVELOPMENT OF AN ELECTRIC VEHICLE POSITION SENSORLESS PMSM DRIVE WITH G2V/V2H/V2G AND ENERGY HARVESTING CAPABILITIES." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/28816090664265889657.

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碩士<br>國立清華大學<br>電機工程學系<br>103<br>This thesis develops an electric vehicle position sensorless interior permanent-magnet synchronous motor (IPMSM) drive powered by battery/supercapacitor (SC) having good driving and regenerative braking performances. In idle condition, it possesses grid-to-vehicle (G2V), vehicle-to-home (V2H) and vehicle-to-grid (V2G) capabilities using the embedded motor drive components. Moreover, an energy harvesting system is equipped to allow the energy support from the AC source and photovoltaic (PV). The battery and SC are respectively interfaced to the motor drive DC-li

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17

Palacios, Aurelio Antonio Pesántez. "High performance position control for permanent magnet synchronous drives." Master's thesis, 2017. http://hdl.handle.net/10400.8/2795.

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In the design and test of electric drive control systems, computer simulations provide a useful way to verify the correctness and efficiency of various schemes and control algorithms before the final system is actually constructed, therefore, development time and associated costs are reduced. Nevertheless, the transition from the simulation stage to the actual implementation has to be as straightforward as possible. This document presents the design and implementation of a position control system for permanent magnet synchronous drives, including a review and comparison of various related work

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18

"Image Processing Based Control of Mobile Robotics." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.40366.

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abstract: Toward the ambitious long-term goal of a fleet of cooperating Flexible Autonomous Machines operating in an uncertain Environment (FAME), this thesis addresses various control objectives for ground vehicles. There are two main objectives within this thesis, first is the use of visual information to control a Differential-Drive Thunder Tumbler (DDTT) mobile robot and second is the solution to a minimum time optimal control problem for the robot around a racetrack. One method to do the first objective is by using the Position Based Visual Servoing (PBVS) approach in which a camera lo

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