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Dissertations / Theses on the topic 'Rangefinder'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Cevikbas, Orcun. "Data Acquisition And Processing Interface Development For 3d Laser Rangefinder." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607514/index.pdf.

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In this study, it is aimed to improve the previously developed data acquisition program which was run under DOS and 2D surface reconstruction program under Windows. A new system is set up and both data acquisition and processing software are developed to collect and process data within just one application, running under Windows. The main goal of the thesis is to acquire and process the range data taken from the laser rangefinder in order to construct the 3D image map of simple objects in different positions for indoor environments. The data acquisition program collects data in helical way.

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2

Vargas, Héctor C. "Design and fabrication of active tilt-stage for laser rangefinder." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54487.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 31).<br>A design for an active tilt-stage that will carry the UTM-30LX, a laser rangefinder sensor (LRF) that is fabricated to scan in a 2-D plane, was determined by analysis. The LRF will be mounted with the tilt-stage on the PIONEER 3-AT (P3-AT), a robot designed to be mobile in rough-terrains, such that autonomous navigation will be made possible. In particular, the purpose of the active tilt-stage is to have the las

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3

Strickon, Joshua Andrew 1976. "Design and HCI applications of a low-cost scanning laser rangefinder." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80218.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.<br>Includes bibliographical references (leaves 137-140).<br>by Joshua Andrew Strickon.<br>M.Eng.

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4

Yang, Christopher 1977. "New laser rangefinder designs for tracking hands atop large interactive surfaces." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86751.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.<br>Includes bibliographical references (p. 47-48).<br>by Christopher Yang.<br>M.Eng.

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5

Eisele, Andreas [Verfasser]. "Millimeter-Precision Laser Rangefinder Using a Low-Cost Photon Counter / Andreas Eisele." Karlsruhe : KIT Scientific Publishing, 2014. http://www.ksp.kit.edu.

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6

Pincock, Bryce Sanders. "Real-Time Target Following Using an Unmanned Rotorcraft with a Laser Rangefinder." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3290.

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Micro-unmanned aerial rotorcraft are quickly gaining acceptance as indoor platforms for performing stealth, surveillance, and rescue and reconnaissance missions. These rotorcraft are generally required to operate in cluttered, unknown, and dynamic GPS-denied environments, which present threats to the safe operation of the vehicle. To overcome these environmental challenges, we describe a system that is capable of localizing itself by producing accurate odometry estimates that can detect and track moving objects and avoid collisions with obstacles while following a moving target using a laser r

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7

Новгородцев, Анатолій Іванович, Анатолий Иванович Новгородцев, Anatolii Ivanovych Novhorodtsev та ін. "Подсистема измерения дальности". Thesis, Издательство СумГУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/17848.

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8

Онанченко, Євген Леонідович, Евгений Леонидович Онанченко, Yevhen Leonidovych Onanchenko та ін. "Источник питания для квантового топографического дальномера КТД-1". Thesis, Издательство СумГУ, 2006. http://essuir.sumdu.edu.ua/handle/123456789/17847.

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9

Aslan, Gokhan. "Design &amp." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614942/index.pdf.

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It is a great advantage of gaining knowledge about the environment for navigation. The environment should be measured during the employment as exactly as possible, in order to be able to react correctly. Robots are being used for different tasks at contaminated environments, places in danger or completely safe places. For robotic use, scanning capabilities of the environment are limited at the present. Adhering to the limitations of the scanning systems, the environment is scanned at a particular level and charted with appropriate software. In some cases, this scanning capability is not enough

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10

Bačík, Martin. "Simulátor funkce FM-CW dálkoměru." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219875.

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This thesis describes design of Simulator FM-CW range finders. It is choosing the optimal method of realization and inform about basic properties of continuous working radar. The work includes an analysis of errors in real rangefinder and a numerical estimate of the maximum error in real devices. Contains detailed block diagram of simulator FM-CW range-finder and computer simulation of function generator frequency modulated signal, demodulator. Further work includes the complete construction documents for the preparation and implementation of basic functional verification

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11

Kurtti, S. (Sami). "Integrated receiver channel and timing discrimination circuits for a pulsed time-of-flight laser rangefinder." Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526200460.

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Abstract In this thesis integrated receiver channel techniques and circuit implementations for a pulsed time-of-flight (TOF) laser rangefinder are developed with the aim to achieve centimetre level accuracy within the dynamic range of > 1:10 000 of the input pulse amplitudes. The receiver channel converts the input current pulses produced by the photo detector to voltage pulses and produces a logic-level timing pulse for the time interval measurement. In addition to the minimization of noise, the main design challenge is the minimization of the timing walk error resulting from the var

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12

Nissinen, I. (Ilkka). "CMOS time-to-digital converter structures for the integrated receiver of a pulsed time-of-flight laser rangefinder." Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514295478.

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Abstract The aim of this thesis was to develop time-to-digital converters (TDC) for the integrated receiver of a pulsed time-of-flight (TOF) laser rangefinder aiming at cm-level accuracy over an input range of 10 m – 15 m. A simple structure, a high integration level and low power consumption are the desired features for such a TDC. From the pulsed TOF laser rangefinder point of view an integrated receiver consisting of both the TDC and the receiver channel on the same die offers the possibility of manufacturing these laser rangefinders with a high integration level and at a low pric

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13

Ahmine, Yassine. "Localisation et cartographie basées sur le couplage télémètre laser et vision pour la navigation autonome d'un robot mobile." Electronic Thesis or Diss., Amiens, 2021. http://www.theses.fr/2021AMIE0021.

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Pour une plateforme mobile qui explore un environnement inconnu, la capacité de se localiser est primordiale pour mener à bien sa mission. Or, pour pouvoir se localiser, cette dernière a besoin d'une carte de l'environnement qui lui-même est inconnu. Afin de résoudre ce problème, l'approche communément adoptée consiste en l'estimation concurrente de la pose de la plateforme ainsi que la carte de l'environnement. Approche liée à l'odométrie visuelle, et connue dans la communauté robotique sous l'acronyme SLAM (Simultaneous Localization And Mapping) – signifiant localisation et cartographie simu

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14

Zobač, Evžen. "Návrh motorizovaného optického systému pro zaostření laserového svazku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401032.

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This diploma thesis deals with the structural and optomechanical design of automatization of focusing laser beam for a remote laser spectroscopy device. The chosen solution uses an active rangefinder and a rotary unit to control the change of the focus plane of the device's optic system. The dependence of the focus plane’s change on the shift of lens in the focus plane was practically measured. For proper control of the rotary unit, this dependency is needed. Structural parts were made based on the created drawing documentation. The structural parts were mounted in the existing assembly of the

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15

Tomáš, Petr. "Návrh a realizace senzorického systému pro mobilní robot s využitím frameworku ROS." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231374.

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The essence of this master thesis is design and implementation of sensor system based on robotic framework which is called ROS (Robot Operating System). The main task is to perform detailed analysis and test of capabilities of the framework with final implementation on specific robot application (sensor system) with following evaluation of applicability of the system in mobile robotics. As parallel aim is to create detailed general and practical guide for beginners with ROS which they are also beginners in Linux based operating systems.

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16

Шелельо, Андрій Андрійович, та Andrii Shelelo. "Розробка автоматизованого акустичного вимірювача переміщень механічних об’єктів". Bachelor's thesis, Тернопільський національний технічний університет ім. І. Пулюя, Факультет прикладних інформаційних технологій та електроінженерії, Кафедра автоматизації технологічних процесів і виробництв, 2021. http://elartu.tntu.edu.ua/handle/lib/35518.

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Робота виконана на кафедрі автоматизації технологічних процесів і виробництв факультету прикладних інформаційних технологій та електроінженерії Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України. Захист відбудеться «25» червня 2021 р. о 9.00 год. на засіданні екзаменаційної комісії №21 у Тернопільському національному технічному університеті імені Івана Пулюя<br>В кваліфікаційній роботі розроблено акустичний вимірювач переміщення механічних об'єктів. Основне завдання розробки полягає в тому, щоб зробити цей пристрій зручним у використан

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17

Sundelin, Johan. "Modellering och analys av avståndsmätare baserad på Time-to-Digital Converter." Thesis, Karlstads universitet, Avdelningen för fysik och elektroteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-73378.

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This bachelor thesis has been performed at Saab Dynamics AB in Karlskoga, with the purpose to design simulation models and analyze the technology study for distance measurement based on Time Of Flight (TOF) -principle. The distance measurement is implemented by short laser pulses and Time-to-Digital Converter (TDC). This method uses the time difference between when the laser pulse is transmitted to the time when its reflection from an object returns to the detector. With this technology as a starting point for this thesis, an analysis has been made by looking at the subsystems when it gets aff

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18

Sales, Gil Jorge. "Distributed Mobile Robot Localization and Communication System for Special Interventions." Doctoral thesis, Universitat Jaume I, 2011. http://hdl.handle.net/10803/78871.

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This thesis focuses on the development of a distributed mobile robot localization and communication system for special interventions like those carried out by fire-fighters in fire ground search and rescue. The use case scenario is related to the one described for the GUARDIANS EU project, where a swarm formation of mobile robots accompany a fire fighter during a rescue intervention in a warehouse. In this line, localizing the robots and the fire fighter during an indoor intervention with the presence of smoke is one of the more interesting challenges in this scenario. Several localization tec

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19

Campion, Joseph (Joseph F. ). "Autonomous navigation with mobile robot using ultrasonic rangefinders." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98957.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>In this thesis, I designed and implemented an autonomous navigation system for a four-wheeled mobile robot with ultrasonic sonar sensors and a National Instruments myRIO real-time controller. LabVIEW code was developed to control the motors with PWM signals based on sensor feedback. A low-pass filter was used to improve the signal to noise ratio since the signals from the ultrasonic sonar sensors were quite noisy. Finally, I developed two basic algorithms

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20

Maytorena, Sanchez Briseida Deyanira. "An optoelectronic sensor for direct range measurement." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326041.

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21

Phung, Duy-Hà. "Conception et mise en oeuvre d'un télémètre à très haute exactitude pour application aux missions spatiales de vol en formation et à la caractérisation des grandes installations." Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00868028.

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Au-delà de son utilisation en géophysique ou en métrologie à grande échelle, la télémétrie laser des longues distances devrait trouver de nombreuses applications pour les missions spatiales. Les instruments d'observation par synthèse ouverture en vols en formation demandent que la géométrie de la constellation soit connue et contrôlée à bien mieux que la longueur d'onde de la fenêtre d'observation. Pour répondre à ces besoins, nous avons étudié un nouveau schéma de mesure qui combine une mesure interférométrique, réalisée sur un faisceau à deux modes et une mesure de temps de vols. Mon travail

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22

Stefani, Mario Antonio. "Medidores de distância por triangulação a laser." Universidade de São Paulo, 1995. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-19032009-093741/.

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Os Medidores de Distância por Triangulação a Laser são sistemas optoeletrônicos destinados à medição de pequenas distâncias ou deslocamentos, sem contato físico direto. Estes equipamentos possuem um grande campo de aplicações industriais. Este trabalho descreve as diversas configurações que este equipamento pode se apresentar, discutindo suas vantagens relativas. São estudadas também as suas partes e os componentes mais indicados. O projeto detalhado de um medidor usando sensor tipo CCD, e apresentado. Algumas aplicações industriais deste modelo são relatadas e diversos métodos e sugestões de

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23

Bacca, Cortés Eval Bladimir. "Appearance-based mapping and localization using feature stability histograms for mobile robot navigation." Doctoral thesis, Universitat de Girona, 2012. http://hdl.handle.net/10803/83589.

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This work proposes an appearance-based SLAM method whose main contribution is the Feature Stability Histogram (FSH). The FSH is built using a voting schema, if the feature is re-observed, it will be promoted; otherwise it progressively decreases its corresponding FSH value. The FSH is based on the human memory model to deal with changing environments and long-term SLAM. This model introduces concepts of Short-Term memory (STM), which retains information long enough to use it, and Long-Term memory (LTM), which retains information for longer periods of time. If the entries in the STM are rehears

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24

Schubert, Stefan. "Optimierter Einsatz eines 3D-Laserscanners zur Point-Cloud-basierten Kartierung und Lokalisierung im In- und Outdoorbereich." Master's thesis, Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-161415.

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Die Kartierung und Lokalisierung eines mobilen Roboters in seiner Umgebung ist eine wichtige Voraussetzung für dessen Autonomie. In dieser Arbeit wird der Einsatz eines 3D-Laserscanners zur Erfüllung dieser Aufgaben untersucht. Durch die optimierte Anordnung eines rotierenden 2D-Laserscanners werden hochauflösende Bereiche vorgegeben. Zudem wird mit Hilfe von ICP die Kartierung und Lokalisierung im Stillstand durchgeführt. Bei der Betrachtung zur Verbesserung der Bewegungsschätzung wird auch eine Möglichkeit zur Lokalisierung während der Bewegung mit 3D-Scans vorgestellt. Die vorgestellten Alg

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25

Wu, Yu-Zhe, and 吳宇哲. "Study of 1550nm Pulsed Laser Rangefinder." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/9spmc3.

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26

Wu, Dian-jhang, and 吳典璋. "Innovative wavelength-shifting rangefinder using Fizeau interferometry." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/96459481189899680590.

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碩士<br>龍華科技大學<br>工程技術研究所<br>100<br>This paper proposes an innovative optical precision measurement method using wavelength-shifting phenomena of lasers caused by heat effects and Fizeau interferomety to measure object distances. The measurement errors are always smaller than 1%. The new method is modified from conventional wavelength-shifting interferometry. A beam splitter is used to split an incident laser beam into a P-polarization component and an S-polarization component. Then the two components are incident on two Fizeau interferometers, respectively. The first Fizeau interferometer is a

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27

Chen, Yu-Wei, and 陳佑瑋. "Background Suppression Technique for Single Photon Rangefinder." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/pgrr93.

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28

Hsu, Yu-Cong, and 徐瑜聰. "Design and implementation of a single-photon rangefinder." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/33z4j8.

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29

Lopes, Afonso Carvalhais Valente Campos. "Otimização do Processo de Montagem de Binóculos Rangefinder." Master's thesis, 2021. https://hdl.handle.net/10216/135581.

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Lopes, Afonso Carvalhais Valente Campos. "Otimização do Processo de Montagem de Binóculos Rangefinder." Dissertação, 2021. https://hdl.handle.net/10216/135581.

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31

Lin, Zhe-Yu, and 林哲宇. "Rangefinder application of a 4x4 digital silicon photomultiplier." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/95436679997727998716.

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碩士<br>國立交通大學<br>電子研究所<br>105<br>In this work, we realize a 4x4 silicon photonmultiplier with single photon avalanche diodes (SPADs) and passive quenching circuit by using TSMC HV0.18m standard CMOS technology.The 4x4 silicon photonmultiplier taped-out through ITRI is used to do distance measurement with PicoQuant's Time-Correlated Single Photon Counting system and then the result is processed by algorithm. The result is further analyzed and then compare with the effect of different background light intensity on accuracy.To improve the error of strong background light casued used FPGA to do co

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32

Chu, Kuang-wen, and 朱廣文. "An Autonomous Mobile Robot Control Using Camera and Laser Rangefinder." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/93049119362203508713.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>98<br>This paper develops an autonomous mobile robot using two sensors, camera and laser rangefinder. First, we combine this mobile robot with camera. The method consists of four modules: color space transformation, morphological erosion, median filter and centroid calculation. Second, we combine this mobile robot with laser rangefinder. The method consists of two modules: curvature estimation in polar coordinate system and topological map built in advanced. Finally, experimental results show that this mobile robot can successfully track the white line on camera and

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33

Chen, Chun-Yu, and 陳君羽. "On the Design and Implementation of Indoor Navigation Using Scanning Laser Rangefinder." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/99893696086931712786.

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碩士<br>國立清華大學<br>動力機械工程學系<br>98<br>In this thesis, the goal is to design a navigation system for an mobile robot by a scanning laser rangefinder and the encoders built in the robot to sense the environmental variation during robot maneavering. To locate the position of the robot, the environmental map and the information of the initial position must be known as a priori. An algorithm of features extraction is thus developed to extract the corner landmarks from the environment scan to estimate the translation and rotation between consecutive scanning data, then correct the error produced by the

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34

Tseng, Wei-Ming, and 曾偉銘. "High Accuracy Indirect Time-of-Flight Rangefinder Using CMOS Single Photon Avalanche Diode." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/9zrnrs.

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35

Chen, Chia-Pei, and 陳嘉佩. "Design of an Integrated Circuit of a Rangefinder with an Interdigital Position Sensitice Device." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/11080238064576354775.

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碩士<br>國立交通大學<br>光電工程研究所<br>85<br>A special rangefinding system basing upon the triangular ranging principle has been constructed. It equips with an optical system, an interdigital position sensitive device, and a signal processing circuit. The interdigital position sensitive device was created by our laboratory before. It has many advantages that other position sensitive devices don't have. The signal processing circuit was designed according to the working theory of the interdigital position sensitive device. Steps of designing of the IC included SPICE simulation, IC layout and fabricati

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36

Reynolds, Steven Lamar. "Building a map for robot path planning by fusing video images and laser rangefinder data." Thesis, 1993. http://hdl.handle.net/1911/16659.

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This thesis describes algorithms that fuse the data from a single video camera and a laser rangefinder. By merging information from these sensors, the algorithms build a digital map of the local environment for a robot to use in navigation. The video image is segmented, and these segments are used to construct a vector scan for the laser rangefinder. The vector scan is a sequence of straight line segments that is created by a greedy algorithm; the range measurements along this vector scan are used to build the map. To build or augment the map, the range measurements are projected to the floor

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37

Lin, Chi-Hsing, and 林奇興. "A study of Integrated Design of Opto-mechanical System in Riflescope with the function of Laser Rangefinder." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/bwu34d.

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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所<br>96<br>This study is researched on the shared optical axis of the binocular optical and laser’s. And, the experiment data improves the design errors of the previous common used optical architecture of the binocular and laser. Integrate the optical engine design analysis and to make molding product as well as to inspect and verify its system functionality through the aid of 2D CAD or 3D RO/ENGINEER package analysis software. Then, compare the molding product with Swarovski’s production. From this study, the optical engine design architecture of the new object

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38

Li, Ji-Shiang, and 李冀翔. "Low Walk Error Receiver Channel with Leading Edge Timing Discriminator for a Pulsed Time-of-Flight Laser Rangefinder." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/97934546614957485271.

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39

Schubert, Stefan. "Optimierter Einsatz eines 3D-Laserscanners zur Point-Cloud-basierten Kartierung und Lokalisierung im In- und Outdoorbereich." Master's thesis, 2014. https://monarch.qucosa.de/id/qucosa%3A20206.

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Die Kartierung und Lokalisierung eines mobilen Roboters in seiner Umgebung ist eine wichtige Voraussetzung für dessen Autonomie. In dieser Arbeit wird der Einsatz eines 3D-Laserscanners zur Erfüllung dieser Aufgaben untersucht. Durch die optimierte Anordnung eines rotierenden 2D-Laserscanners werden hochauflösende Bereiche vorgegeben. Zudem wird mit Hilfe von ICP die Kartierung und Lokalisierung im Stillstand durchgeführt. Bei der Betrachtung zur Verbesserung der Bewegungsschätzung wird auch eine Möglichkeit zur Lokalisierung während der Bewegung mit 3D-Scans vorgestellt. Die vorgestellten Alg

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