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Dissertations / Theses on the topic 'Angular displacement'

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1

Horan, Sean A. "A Comparison of Swing Kinematics in Male and Female Skilled Golfers." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/367218.

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The full golf swing involves a complex pattern of trunk movement thought to be important in generating power. The three-dimensional kinematics of the trunk, however, have not been fully described. In particular, it is unknown whether gender differences exist in the dynamics and coordination of the thorax and the pelvis during the swings of skilled golfers. The aims of this project were to examine the movement patterns of the thorax and the pelvis during the full swing of male and female skilled golfers, as well as investigate the effects of an endurance based practice putting task on full swin
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2

Sakamoto, João Marcos Salvi. "Laser ultrasonics system with a fiber optic angular displacement sensor." Instituto Tecnológico de Aeronáutica, 2012. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=2146.

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Laser ultrasonics is an all-optical non-destructive testing technique which employs ultrasonic waves as a means of ascertaining the internal part of an opaque material (for light). The difference from a conventional ultrasonics testing technique relies on the generation and detection of these waves which, in the laser ultrasonics technique, is performed by a laser pulse and an optical detector of ultrasound, respectively. This technique is employed in the aerospace and aeronautics industry for flaw detection or material characterization, since it is couplant free, non-contact and remote from t
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Lysunenko, Nataliya. "Analysis of capacitive sensors of small linear displacement." Thesis, Молодь у глобалізованому світі: академічні аспекти англомовних фахових досліджень (англ. мовою) / Укл., ред. А.І.Раду: збірник мат. конф. - Львів: ПП "Марусич", 2011. - 147 с, 2011. http://er.nau.edu.ua/handle/NAU/20773.

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4

Jackson, Richard Aram Jr. "A Preliminary Study of Pump/Probe Angular Dependence of Zeeman Electromagnetically Induced Transparency." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1439372287.

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5

Bocková, Lenka. "Měření svislých posunů kostela v Zábrdovicích." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227126.

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The diploma thesis deals with measuring height new stage of the church network in Brno Zabrdovice. Measuring by using method of precise leveling be going on with previous stage began in 2002, in order to detect vertical displacement. Processing include calculation and adjust of the heights, compare with fundamental and previous stage, interpretation and graphical form of vertical displacement. The thesis includes measuring and processing angular deflection of church towers.
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Moreton, Gregory M. "The design and development of a planar coil sensor for angular displacements." Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/113451/.

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The increased prevalence of wearable sensing devices is accelerating the development of personalised medical devices for monitoring the human condition. The measurement of joint posture and kinematics is particularly relevant in areas of physiotherapy and in the management of diseases. Existing sensors for performing these tasks are however, either inaccurate or too technically complex and obtrusive. A novel approach has been taken to develop a new type of sensor for angular displacement sensing. This thesis describes the development of a series of novel inductive planar coil sensors for measu
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Бурлеев, Олег Леонидович. "Усовершенствование фотоэлектрических преобразователей перемещений в компьютерных системах контроля угловых параметров самолета". Thesis, Национальный аэрокосмический университет им. Н. Е. Жуковского "Харьковский авиационный институт", 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/19583.

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Диссертация на соискание ученой степени кандидата технических наук по специальности 05.13.05 - компьютерные системы и компоненты. - Национальный технический университет "Харьковский политехнический институт", Харьков, 2016. Диссертация посвящена решению научно-практической задачи усовершенствования процесса измерения и контроля угловых перемещений рулевых поверхностей самолета. Проанализированы современные методы преобразования угловых перемещений. Описан физический принцип их действия, указаны достоинства и недостатки каждого метода. Рассмотрены наиболее характерные конструкции преобразовате
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8

Бурлєєв, Олег Леонідович. "Вдосконалення фотоелектричних перетворювачів переміщень в комп'ютерних системах контролю кутових параметрів літака". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/19580.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.13.05 - комп'ютерні системи та компоненти. - Національний технічний університет "Харківський політехнічний інститут", Харків, 2016. Дисертація присвячена вирішенню науково-прикладної задачі вдосконалення процесу вимірювання і контролю кутових переміщень рульових поверхонь літака. Вдосконалено методи фотоелектричних вимірювань кутових переміщень рульових поверхонь літака для комп’ютерних систем контролю та розроблено функціональні схеми пристроїв, що їх реалізують. Розроблено алгоритмічні та програмні засоби,
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9

Nötel, Jörg. "Active Brownian Particles with alpha Stable Noise in the Angular Dynamics: Non Gaussian Displacements, Adiabatic Eliminations, and Local Searchers." Doctoral thesis, Humboldt-Universität zu Berlin, 2019. http://dx.doi.org/10.18452/19681.

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Das Konzept von aktiven Brownschen Teilchen kann benutzt werden, um das Verhalten einfacher biologischer Organismen oder künstlicher Objekte, welche die Möglichkeit besitzen sich von selbst fortzubewegen zu beschreiben. Als Bewegungsgleichungen für aktive Brownsche Teilchen kommen Langevin Gleichungen zum Einsatz. In dieser Arbeit werden aktive Teilchen mit konstanter Geschwindigkeit diskutiert. Im ersten Teil der Arbeit wirkt auf die Bewegungsrichtung des Teilchen weißes alpha-stabiles Rauschen. Es werden die mittlere quadratische Verschiebung und der effektive Diffusionskoeffizient best
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10

Nötel, Jörg [Verfasser], L. [Gutachter] Schimansky-Geier, H. [Gutachter] Engel, and E. E. N. [Gutachter] Macau. "Active Brownian Particles with alpha Stable Noise in the Angular Dynamics: Non Gaussian Displacements, Adiabatic Eliminations, and Local Searchers / Jörg Nötel ; Gutachter: L. Schimansky-Geier, H. Engel, E. E. N. Macau." Berlin : Humboldt-Universitaet zu Berlin, 2019. http://d-nb.info/1175995150/34.

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11

Wang, Zong-Li, and 王宗立. "Research on A Magnetic Differential Angular Displacement Measurement Device." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/81329545907011452191.

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碩士<br>國立雲林科技大學<br>機械工程系<br>103<br>This thesis investigates a novel device capable of simultaneous measurement of the average and the phase (i.e. differential) angles of two rotational elements. The angle and phase sensor is of non-contact type. It may function as a torque sensor if the two rotational elements are linked by a flexible member. The device is composed of two eccentric ring magnets and six Hall-effect sensors, each of which is spaced 60 degrees apart. Since the signals measured by the Hall-effect sensors have a near sinusoidal waveform, the angles are obtained by an arctangent
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12

Chen, Szu-Chun, and 陳思鈞. "Wavelength-modulated heterodyne speckle interferometry for angular displacement measurement." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/74685572857322282440.

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碩士<br>國立中央大學<br>機械工程研究所<br>100<br>This study presents a simple method to measure angular displacements by wavelength-modulated heterodyne speckle interferometer. We modulated the wavelength of laser diode by injection current to replace commercial component to produce heterodyne light source. In addition, the speckle interferometer has compact optical arrangement and reduction of the cost. And we designed an algorithm to calculate the phase variation which results from the object movement. The theoretical predication shows that the resolution is about 1.08 micro-deg. However, the experimenta
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13

Tsao, Jen-Chieh, and 曹仁杰. "Arbitrary Angular Displacement of Flexible Arm Using Mirrored Trajectory Planning." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/65129775773428831564.

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碩士<br>南台科技大學<br>機械工程系<br>96<br>This thesis is to investigate the possibility of making an ideal arbitrary angular displacement of single flexible arm using mirrored trajectory planning so there is almost no flexural vibration after the positioning motion is completed. First, Hamilton’s principle is used to derive the simple flexure model’s governing equations and boundary conditions without considering the gravity effect. Then, the partial differential equations are nondimensionalized, and transformed into the state space form of the rigid body motion and two vibration mode’s motion using the
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14

Chou, Ching-Yuan, and 周金源. "The angular displacement and speed control for a Belt-Driven mechanism." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/05709819647435748489.

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碩士<br>東南科技大學<br>機電整合研究所<br>98<br>Belt-Driven mechanisms have been widely used in industry, automobile and home consumer electric productions. Recent years, Belt-Driven servomechanisms have been investigated, but Belt-Driven servomechanism experiments were seldom discussed. In this paper both of the angular displacement and speed controls for a Belt-Driven servomechanism with DC servo driver are investigated by experiments. Belt elasticity and slip make the belt driven systems exhibit nonlinear high order dynamics. It is not easy to design a PID(Proportional-Integral and Derivatice) controller
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15

Chen, Lin-yu, and 陳林裕. "Development of angular displacement measurement and positioning by birefringence heterodyne interferometry." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/22696969596034398428.

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碩士<br>國立中央大學<br>光機電工程研究所<br>102<br>The birefringence heterodyne interferometry for the angular measurement and position is presented. The advantage of the instrument is the large measurement range and high resolution. When p- and s-polarized beams pass through a birefringence crystal, the phase difference between these two polarized beams is sensitive to the incident angle. We can determine the angular variation with the heterodyne interferometer which can precisely detect the phase difference between these two polarized beams. Moreover, a new optical path is designed to enhance the sensitivit
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16

Chen, Syu-Dong, and 陳旭東. "Measurement of angular displacement system based on Talbot effect and moiré method." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/kh3qne.

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碩士<br>國立中央大學<br>光機電工程研究所<br>102<br>We proposed a new method based on the moiré technique and Talbot effect to measure the angular displacement. The measurement system is divided into two parts, the optical moiré system and the phase analysis system. In the first part, the collimated He-Ne laser beam is expanded by the beam expander (BE) and is forward incident into the two linear amplitude gratings, which placed symmetrically by a centre of the precision rotation stage. These two gratings can be regarded as the a spatial modulator. After passing through the gratings, the spatial modulated ligh
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17

Lu, Chao-Yang, and 呂朝揚. "Transforming an Optical Flow Sensor into an Angular Displacement Sensor with Variable Resolution." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/vj36f9.

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碩士<br>國立交通大學<br>機械工程系所<br>107<br>In this study, we used the common and low-cost optical flow sensor as the core of image processing. We simply adopted a set of designed discs with pattern sticker on it as a checkerboard disk to transfer the angle variation (rotation) to a linear motion. Angle variation is obtained using lower cost sensors. Therefore, significantly reduction of the manufacturing cost of the grating, which is inside the optical angle encoder could be made. Angle sensors can be used more widely and universally in a wide variety of designs in the foreseeable future.
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Ding, Yi-Yuan, and 丁奕元. "An Improved Angular Displacement Estimation Based on Hall-Effect Sensors for Driving an Interior Permanent Magnet Synchronous Motor." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/42459322346726513033.

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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>This research proposes an improved method of angular displacement estimation based on Hall-effect sensors for driving a permanent magnet motor, no matter which kind of waveform is for its back electromotive force (EMF). The control current with a phase lead angle from the back EMF is then determined to drive the motor. Traditionally, the change of Hall-effect signals were measured both by the capture interrupt and timer-period interrupt functions before the angular displacement was estimated by precise operations in a digital signal processor. Unfortunately, t
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kulkarni, Milind Anant. "Small Angle Measurement Using Optical Caustics From Hollow Cylinders - Few Investingations." Thesis, 2007. https://etd.iisc.ac.in/handle/2005/621.

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‘Optical Caustics’ represent some of the most visually striking patterns of the light in nature.They occur when light rays from a source, such as the sun, get refracted, or reflected by curved media so as to bend and alter their path. They are ubiquitous and signify the regions of space in which many rays intersect to form bright singularities along a two-or a three-dimensional surface. The associated 2-D patterns (caustic patterns) could be simple or complex in ‘shape and size’ depending upon the optical arrangement used to produce them. Such patterns exhibit either a static or a dynamic beha
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kulkarni, Milind Anant. "Small Angle Measurement Using Optical Caustics From Hollow Cylinders - Few Investingations." Thesis, 2007. http://hdl.handle.net/2005/621.

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‘Optical Caustics’ represent some of the most visually striking patterns of the light in nature.They occur when light rays from a source, such as the sun, get refracted, or reflected by curved media so as to bend and alter their path. They are ubiquitous and signify the regions of space in which many rays intersect to form bright singularities along a two-or a three-dimensional surface. The associated 2-D patterns (caustic patterns) could be simple or complex in ‘shape and size’ depending upon the optical arrangement used to produce them. Such patterns exhibit either a static or a dynamic beha
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