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Dissertations / Theses on the topic 'Rotary machine'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Urs, Shravan B. R. "SCHEDULING ROTARY INJECTION MOLDING MACHINE." Ohio University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1132529304.

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2

Churi, Nikhil. "Rotary ultrasonic machining of hard-to-machine materials." Diss., Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/2509.

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3

Chamberlain, Matthew. "Novel control of a high performance rotary wood planing machine." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12261.

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Rotary planing, and moulding, machining operations have been employed within the woodworking industry for a number of years. Due to the rotational nature of the machining process, cuttermarks, in the form of waves, are created on the machined timber surface. It is the nature of these cuttermarks that determine the surface quality of the machined timber. It has been established that cutting tool inaccuracies and vibrations are a prime factor in the form of the cuttermarks on the timber surface. A principal aim of this thesis is to create a control architecture that is suitable for the adaptive

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4

Blowers, Andrew. "Detection of faults on rotary screen printed fabrics using machine vision." Thesis, De Montfort University, 1995. http://hdl.handle.net/2086/4914.

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A project was sponsored by the SERC for research into the design of a colour vision system for the detection of print faults in rotary screen printed fabrics. The research was carried out at De Montfort University (formerly named Leicester Polytechnic), which has previous experience with Image Processing in relation to Textiles. The proposed system was required to identify, process and correct the common print faults which can occur during rotary screen printing. These can be divided into two main categories, systematic and random faults. This thesis covers the work undertakeni n the developme

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Jiang, Xiaogeng. "Characterising geometric errors in rotary axes of 5-axis machine tools." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/5871/.

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It is critical to ensure that a 5-axis machine tool is operating within its geometric tolerance. However, there are various sources of errors influencing its accuracy; testing them with current methods requires expensive equipment and long machine down time. This motivates the development of a simple and fast way to identify and characterise geometric errors of 5-axis machine tools. A method using a Double Ball Bar (DBB) is proposed to characterise rotary axes Position Independent Geometric Errors (PIGEs), which are caused by imperfections during assembly of machine components. An established

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6

Thomas, I. "The design, and manufacture of a 1.0MN rotary forging machine and a study of the rotary forging of metallic solids." Thesis, City University London, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375824.

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7

Daoudi, Gabriele Yunes. "Development of a Kinetic Energy Recovery System for a Rotary Turret Machine." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16595/.

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The scope of the Kinetic Energy Recovering Systems is to store a certain amount of energy during the system’s nominal operation by recovering it from the brakes and reuse it later. The scope of this thesis will be studied the development of such system on an automatic machine. The field of application is known as "Green Automation", that became popular during the last decade. The machine analyzed is a rotary turret one that operates in the beverage automation. Its role is to apply a particular type of cap on the cans to improve the hygiene and the aesthetics. The problem has been tack

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Higgs, John. "The dynamical behaviour of damped, rotor assembly systems." Thesis, University of Wolverhampton, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371858.

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9

Ogun, Philips S. "Modelling and real-time control of a high performance rotary wood planing machine." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/10133.

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Rotary planing is one of the most valuable machining operations in the timber processing industry. It has been established that cutting tool inaccuracy and forced vibration during the machining process are the primary causes of surface quality degradation. The main aim of this thesis is to design a control architecture that is suitable for adaptive operation of a wood planing machining in order to improve the quality of its surface finish. In order to achieve the stated goal, thorough understanding of the effects of machine deficiencies on surface finish quality is required. Therefore, a gener

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10

Ma, David Chih-Yan. "Design and implementation of a rotary fast tool servo for a turning machine." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9594.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1998.<br>Includes bibliographical references (p. 149-151).<br>In this thesis we describe the design and implementation of a rotary fast tool servo (RFTS) in a machine tool for turning ophthalmic lenses. To machine nonrotationally symmetric lenses, the cutting tool on the RFTS must move synchronously with the spindle rotation. Therefore, to cut a lens at high spindle speeds, the cutting tool must be capable of extremely high accelerations. In our design we mount the cutting tool at the end of a rotary arm. Th

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11

Amirian, Hossein. "Design of a novel rotary compact power pack for the series hybrid electric vehicle : design and simulation of a compact power pack consisting of a novel rotary engine and outer rotor induction machine for the series hybrid electric vehicle powertrain." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/4446.

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Hybrid electric vehicles significantly reduce exhaust emissions and increase fuel economy. Power packs are the most fundamental components in a series powertrain configuration of a hybrid vehicle, which produce the necessary power to run the vehicle. The aim of this project is to design a compact power pack for a series hybrid vehicle, using virtual prototyping. The hybrid electric vehicle characteristics and configurations are analysed, followed by an explanation of the principles of induction machines. A new type of rotary induction machine with an outer rotor construction is designed to be

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12

Multáňová, Katarína. "Design vstřikovacího lisu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229377.

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Diploma thesis deals with the development of injection moulding machine design. It is a type of industrial machine, which is designed for production of plastic parts by technology of compression molding. Injection and closing units in the machine are vertical orientated to each other. Injection moulding machine is equipped with rotary table. The main task of diploma work is to design an injection moulding machine with original shape for the future. Conception of the machine is based on present progresive technical solutions. Design of the machine tolerates main ergonomic demands and make the w

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13

Nall, Samuel Jackson. "A fault tolerant modular machine for a direct drive rotary wing unmanned air vehicle application." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492631.

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Advances in electric drive technology have meant that power to weight ratios and efficiencies have increased to a point where the practical implementation of an electrically driven Vertical Takeoff and Landing (VTOL) Unmanned Air Vehicle (UAV) is viable. The replacement of the existing gearbox, tail-rotor assembly and tail-rotor drive shaft with electrical drives on the main and tail rotors offers many potential benefits.

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14

Hintze, Joshua. "Autonomous landing of a rotary unmanned aerial vehicle in a non-cooperative environment using machine vision /." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd359.pdf.

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Hintze, Joshua Martin. "Autonomous Landing of a Rotary Unmanned Aerial Vehicle in a Non-cooperative Environment using Machine Vision." BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/120.

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Landing an Unmanned Aerial Vehicle (UAV) is a non-trivial problem. Removing the ability to cooperate with the landing site further increases the complexity. This thesis develops a multi-stage process that allows a UAV to locate the safest landing site, and then land without a georeference. Machine vision is the vehicle sensor used to locate potential landing hazards and generate an estimated UAV position. A description of the algorithms, along with validation results, are presented. The thesis shows that software-simulated landing performs adequately, and that future hardware integration looks

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16

Al-Maeeni, Sara Salman Hassan [Verfasser]. "Re-engineering of Machine Tools in the Context of Sustainability and Industry 4.0 : Case Study: Rotary Draw Bending Machines / Sara Salman Hassan Al-Maeeni." Düren : Shaker, 2021. http://d-nb.info/1227824246/34.

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17

Penekli, Ufuk. "Finite Element Analysis Of Bending Operation Of Aluminum Profiles." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609463/index.pdf.

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Bending process is an important forming process in most industrial fields. Springback and cross-section distortion are commonly faced problems in bending process. Springback behavior of closed and open section beams changes with different parameters such as cross-section type, cross-section dimensions, bend radius and bend angle. For closed sections like tube, the dominating problem is cross-section distortion. The thickness of the tube at intrados (inner surface of tube being in contact with die) increases, whereas the thickness of the tube at extrados (outer surface of tube) decreases. Furth

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18

Нагорний, В`ячеслав Михайлович, Вячеслав Михайлович Нагорный, Viacheslav Mykhailovych Nahornyi та Я. В. Пархоменко. "Комп'ютерне дослідження швидкості розвитку тріщин у металевих конструкціях". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/40462.

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Метою роботи було освоєння методики розрахунку ресурсу машини на основі аналізу закономірності розвитку тріщини. Методика роботи полягала у вимірі вібрації установки, яка відтворювала основні елементи роторної машини.

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19

Axmann, Patrik. "NC otočný stůl s lineární osou." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417425.

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This diploma thesis deals with the construction of an NC rotary table with a linear axis. The first part is devoted to the analysis of the current state of science and technology in the problem, the use of various drives, mechanisms for torque transmission, linear feed lines, measuring and an overview of tables from various manufacturers. Furthermore, the work is devoted to the creation of 4 variants of construction, then the selection of the best variant and technical calculations. At the end, the work deals with a detailed description of the machine.

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Bezděk, Petr. "Konstrukční návrh otočného stolu s nosností 65 000 kilogramů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443716.

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The diploma thesis deals with the design of a rotary table for machining large non-rotary workpieces up to a maximum weight of 65 000 kg. The aim of the work is to analyze and evaluate the current state of knowledge in the field of rotary tables, to create a table design according to the assignment and its 3D model with part of the drawing documentation. The theoretical part of the work searches for solutions used in the construction of rotary tables in the category of table according to the assignment. The information obtained is further used in the design of rotary table solution variants. B

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21

Нагорний, В`ячеслав Михайлович, Вячеслав Михайлович Нагорный, Viacheslav Mykhailovych Nahornyi та К. М. Єжков. "Комп'ютерне прогнозування розвитку тріщин у валі роторної машини". Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/40448.

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Метою роботи, яка докладається, було освоєння методики розрахунку ресурсу машини на основі аналізу закономірності розвитку тріщини. Методика роботи полягала у вимірі вібрації установки, яка відтворювала основні елементи роторної машини.

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22

Xie, Tian. "Knowledge discovery and machinelearning for capacity optimizationof Automatic Milking RotarySystem." Thesis, KTH, Kommunikationsteori, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-199630.

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Dairy farming as one part of agriculture has thousands of year’s history. The increasingdemands of dairy products and the rapid development of technology bring dairyfarming tremendous changes. Started by first hand milking, dairy farming goes throughvacuum bucket milking, pipeline milking, and now parlors milking. The automatic andtechnical milking system provided farmer with high-efficiency milking, effective herdmanagement and above all booming income.DeLaval Automatic Milking Rotary (AMRTM) is the world’s leading automatic milkingrotary system. It presents an ultimate combination of technol

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23

Скиртач, В. О., Євген Миколайович Савченко, Евгений Николаевич Савченко та Yevhen Mykolaiovych Savchenko. "Вплив випадкової зміни геометричних параметрів підшипників ковзання на їх експлуатаційні характеристики". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67523.

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24

Зименко, Р. В., В`ячеслав Михайлович Нагорний, Вячеслав Михайлович Нагорный та Viacheslav Mykhailovych Nahornyi. "Комп'ютерна діагностика роторних машин у ймовірносній постановці". Thesis, Сумський державний університет, 2015. http://essuir.sumdu.edu.ua/handle/123456789/39779.

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Метою роботи було освоєння методики комп’ютерного діагностування стану роторної машини в ймовірносній постановці. Методика роботи полягала у вимірі вібрації установки, яка відтворювала основні елементи роторної машини [1]. Результати вимірювань являли: – сумарний рівень вібрації в трьох умовних станах установки (вихідному, попередньому і поточному); – часову реалізацію вібрації.

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25

Subramanian, Ananthanarayanan K. "Cell Loading and Scheduling in a Shoe Manufacturing Company." Ohio University / OhioLINK, 2004. http://www.ohiolink.edu/etd/view.cgi?ohiou1108477506.

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Xie, Lihan. "Suivi numérique des bifurcations pour l'analyse paramétrique de la dynamique non-linéaire des rotors." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEI018/document.

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Au cœur des moyens de transport, de transformation d'énergie, et de biens d'équipements, les machines tournantes peuvent avoir des comportements dynamiques complexes dus à de multiples sources de non linéarités liées aux paliers hydrodynamiques, à la présence de fissures, aux touches rotor-stator, ... Des phénomènes comme les décalages fréquentiels et donc de vitesses critiques, les cycles d'hystérésis avec sauts d'amplitudes, le changement brutal du contenu fréquentiel des réponses, sont des expressions de ces comportements. Résoudre les équations du mouvement induites par des modélisations a

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Mercier, Jean-Charles. "Contribution à l'étude par éléments finis du comportement électromagnétique des machines asynchrones rapides." Vandoeuvre-les-Nancy, INPL, 1993. http://www.theses.fr/1993INPL085N.

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Dans un but d'augmenter la puissance volumique des machines électriques, et grâce au développement de l'électronique de puissance, les industriels cherchent à construire des machines à grande vitesse de rotation. Un tour d'horizon des différentes technologies envisageables pour de telles applications est présenté. Pour des raisons autant économiques que pratiques, notre choix s'est porté sur la machine asynchrone à rotor massif. L'inexistence de schéma équivalent classique et la volonté d'optimiser les paramètres géométriques du rotor imposent l'utilisation de méthodes numériques. Le calcul pa

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Gotin, Nathalie. "Finite Element Model Updating for Rotary Machinery." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/864.

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The main approach of this thesis was to develop a mathematical model that represents a rotary machine. Experimental data was used to define a finite element model (FEM). In order to obtain the experimental data, the rotary machine had to be balanced. An impact hammer test made it possible to obtain frequency response functions (FRF). The frequency response functions were curvefitted in order to obtain the mode shapes and natural frequencies. Mathematical models have been created with ABAQUS and Matlab. For the Matlab Model the assumption has been made that the rotor machine consists of a speci

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Жук, А. С. "Проєкт пекарні з установкою 3-х ротаційних печей «Kumkaya Lider 140», який передбачає замішування тіста в машинах періодичної дії «DIOSNA»". Thesis, Чернігів, 2022. http://ir.stu.cn.ua/123456789/25388.

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Жук, А. С. Проєкт пекарні з установкою 3-х ротаційних печей «Kumkaya Lider 140», який передбачає замішування тіста в машинах періодичної дії «DIOSNA» : випускна кваліфікаційна робота : 181 "Харчові технології" / А. С. Жук ; керівник роботи О. Л. Гуменюк ; НУ "Чернігівська політехніка", кафедра харчових технологій. – Чернігів, 2022. – 67 с.<br>У кваліфікаційній роботі наведені розрахунки продуктивності та потужності печей, пофазних та виробничих рецептур, норми витрати сировини. В технологічних процесах, що пропонуються проектом, застосовані сучасні технології виробництва хлібобулочних виробів.

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Musil, Marek. "Návrh robotického pracoviště pro obsluhu vstřikovacích lisů s následnou montáží a kontrolou." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382468.

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The thesis deals with the design of a robotic workplace for the operation of injection moulding machines. It is concerned with the design of the workplace component deployment and the evaluation of the best variant using a multi-criteria assessment. In detail, attention is paid to the end effectors of industrial robots and the assembly workplace, where finishing operations take place. Finally, the risk analysis and technical and economic evaluation of the proposed workplace are carried out.

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Бичок, А. В. "Проєкт пекарні з установкою 3-х ротаційних печей «Kumkaya Lider 140» та тістомісильних машин періодичної дії «Стандарт» для виробництва хлібобулочних виробів". Thesis, Чернігів, 2022. http://ir.stu.cn.ua/123456789/25381.

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Бичок, А. В. Проєкт пекарні з установкою 3-х ротаційних печей «Kumkaya Lider 140» та тістомісильних машин періодичної дії «Стандарт» для виробництва хлібобулочних виробів : випускна кваліфікаційна робота : 181 "Харчові технології" / А. В. Бичок ; керівник роботи І. А. Костенко ; НУ "Чернігівська політехніка", кафедра харчових технологій. – Чернігів, 2022. – 74 с.<br>У кваліфікаційній роботі представлений проєкт пекарні з установкою 3-х ротаційних печей "Kumkaya Lider 140" та тістомісильних машин періодичної дії "Стандарт" для виробництва хлібобулочних виробів. Проведена характеристика сучасно

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Кузьменко, А. Л. "Проєкт пекарні, який передбачає установку 3-х ротаційних печей «Kumkaya Lider 140» та замішування тіста в машинах періодичної дії «Стандарт»". Thesis, Чернігів, 2022. http://ir.stu.cn.ua/123456789/25385.

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Кузьменко, А. Л. Проєкт пекарні, який передбачає установку 3-х ротаційних печей «Kumkaya Lider 140» та замішування тіста в машинах періодичної дії «Стандарт» : випускна кваліфікаційна робота : 181 "Харчові технології" / А. Л. Кузьменко ; керівник роботи І. А. Костенко ; НУ "Чернігівська політехніка", кафедра харчових технологій. – Чернігів, 2022. – 57 с.<br>В кваліфікаційній роботі наведені розрахунки продуктивності печей, виробничих рецептур, вихід виробів, норми витрати сировини та охорони праці. В технологічних процесах, що пропонуються проектом застосовані прогресивні технології виробництв

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Powell, Malcolm S. "The effect of liner design upon charge motion in a rotary mill." Master's thesis, University of Cape Town, 1988. http://hdl.handle.net/11427/21925.

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Rotary mills are used extensively to reduce the coarse rocks of mined ores down to a product fine enough to facilitate the extraction of the valuable minerals. On the South African gold mines alone about 110 million tons of ore is mined annually, at a power cost of about R90 million, and a liner material cost of about R30 million. The charge motion in mills has been studied both theoretically and experimentally since the beginning of the century. However, a lot of the work has been purely empirical, and some of it illconceived, resulting in there still being a poor understanding of the topic.

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Zhao, Wenyu. "A Probabilistic Approach for Prognostics of Complex Rotary Machinery Systems." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1423581651.

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Geoffriault, Maud. "Réduction active des vibrations et des bruits d'une machine électrique par la stratégie de commande." Thesis, CentraleSupélec, 2015. http://www.theses.fr/2015SUPL0003/document.

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Les travaux de cette thèse s’inscrivent dans le contexte du développement de groupes motopropulseurs électriques pour véhicules automobiles. Ces développements ont mis en lumière les problématiques liées aux phénomènes acoustiques et vibratoires des machines électriques, spécifiques à l'application automobile. L'objectif de ces travaux est la mise en place de lois de commande dédiées à la réduction d'harmoniques de courant à l'origine d'harmoniques vibratoires.Pour cela, les différents éléments du système ont été modélisés, puis les paramètres du modèle électrique de la machine ont été identif

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Goodwin, James. "Optimal design of a high speed rotary braider." Thesis, Liverpool John Moores University, 1990. http://researchonline.ljmu.ac.uk/4986/.

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Zulu, Ackim. "Flux switching machines using segmental rotors." Thesis, University of Newcastle Upon Tyne, 2010. http://hdl.handle.net/10443/1070.

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Flux switching machines (FSM) employing a segmental rotor have field and armature systems on the stator and a presentation of an unexcited rotor with isolated segments. The single-tooth winding arrangement on the stator provides a potential for material and energy savings. The principle for producing bipolar flux in the armature stator teeth relies on the natural switching of the armature tooth flux, accomplished by the moving segments of the rotor. Three phase configurations have been studied, from conception and design to construction and testing, with field excitation provided by either a f

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Зуєва, Наталія Вікторівна, Наталья Викторовна Зуева та Nataliia Viktorivna Zuieva. "Динамический анализ торцовых уплотнений". Thesis, Изд-во СумГУ, 2004. http://essuir.sumdu.edu.ua/handle/123456789/23153.

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Зуєва, Наталія Вікторівна, Наталья Викторовна Зуева, Nataliia Viktorivna Zuieva та А. Гребенюк. "Определение гидродинамических характеристик торцового дросселя". Thesis, Изд-во СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/20300.

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Водолазская, Н. В. "Технологические принципы синтеза роторно-многоярусных машин для сборки резьбовых изделий". Thesis, Изд-во СумГУ, 2005. http://essuir.sumdu.edu.ua/handle/123456789/19957.

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Тарасевич, Юлія Ярославівна, Юлия Ярославовна Тарасевич та Yuliia Yaroslavivna Tarasevych. "Оценка устойчивости колебаний стенки плоского канала при нестационарном течении жидкости". Thesis, Изд-во СумГУ, 2002. http://essuir.sumdu.edu.ua/handle/123456789/21144.

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Сафонов, А. В. "Применение конечно-элементных методов расчета для анализа динамических характеристик роторных систем". Thesis, Изд-во СумГУ, 2002. http://essuir.sumdu.edu.ua/handle/123456789/21153.

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Нагорний, В`ячеслав Михайлович, Вячеслав Михайлович Нагорный, Viacheslav Mykhailovych Nahornyi та И. Ю. Сидоренко. "Прогнозирование ресурса роторных машин по результатам измерения их вибраций". Thesis, Изд-во СумГУ, 2004. http://essuir.sumdu.edu.ua/handle/123456789/23410.

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Савченко, Євген Миколайович, Евгений Николаевич Савченко, Yevhen Mykolaiovych Savchenko та Ю. В. Гордієнко. "Автоматизований вимірювальний комплекс стенда для досліджень динаміки ротора в шпаринних ущільненнях". Thesis, Вид-во СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/6025.

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Савченко, Євген Миколайович, Евгений Николаевич Савченко, Yevhen Mykolaiovych Savchenko та К. Ю. Холоша. "Использование вэйвлет-анализа в диагностирование роторных машин". Thesis, Изд-во СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/20561.

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Симоновський, Віталій Іович, Виталий Иович Симоновский, Vitalii Iovych Symonovskyi та В. А. Куликов. "Исследование динамики новой конструкции бесконтактного торцового уплотнения". Thesis, Изд-во СумГУ, 2004. http://essuir.sumdu.edu.ua/handle/123456789/23171.

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SEGAYER, AHMED MOHAMMED. "ROTOR STATOR CONTACT IN A ROTATING MACHINE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2000. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=34202@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>O crescente avanço da tecnologia de equipamentos rotativos tem exigido dos projetistas de máquinas adapta-los às condições de operação mais rigorosas e, consequentemente, projetos mais sofisticados. O aumento da eficiência é frequentemente realizado por operações de minimização de folga entre os elementos rotativos e estacionários e/ou aumento da velocidade de rotação do rotor. A natureza das funções e o custo elevado dos equipamentos rotativos de alta velocidade exigem precisão e segurança no projeto para evitar riscos de operaçã

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Kessel, Stephen Ronald. "The interaction between rotary valves and pneumatic conveying pipelines." Thesis, University of Greenwich, 1985. http://gala.gre.ac.uk/9292/.

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The object of this work was to investigate the interaction between rotary valves and pneumatic conveying pipelines and the effect which this can have on overall system performance. A review of previous work and current industrial practice revealed that very little work has been published on this subject, although it was evident that some manufacturers of pneumatic conveying systems do have preferred entrainment configurations. Consequently, a preliminary experimental investigation was undertaken with a transparent model of a rotary valve and drop-out box in order to observe the air and solid f

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Staněk, Michal. "Dynamická vyvažovačka malých rotorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221148.

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Balancing of rotors is used to remove unwanted vibrations caused by uneven distribution of mass around the axis of rotation of the rotor. Operation of an unbalanced rotor may causes shortening of bearing life, fatigue of materials and deformation of shafts. This work deals with construction of a balancing machine (balancer). Because of its good properties, a soft bearing type balancer was chosen for construction. This type of balancer achieves higher sensitivity at the cost of calibration required for each type of rotor. To capture the magnitude of vibration electrodynamics sensors were chosen

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Karajani, Pirro. "Équilibrage modal de rotors flexibles : application à une machine." Compiègne, 1995. http://www.theses.fr/1995COMPD795.

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Le rotor d'une machine tournante est affecté par des balourds inconnus qui engendrent des forces tournantes responsables de vibrations. La relation entre les balourds et les vibrations s'exprime par les coefficients d'influence. Leur détermination s'effectue par une procédure expérimentale sous réserve d'un comportement suffisamment linéaire et répétable. L'étude montre que ces coefficients peuvent être déterminés à l'aide d'un modèle du rotor, soit directement par les réponses aux balourds de ce modèle, soit à partir de ses caractéristiques modales (pulsations propres, modes propres à droite

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