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Rozprawy doktorskie na temat „Load sensors”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

Loday, Sylvie (Sylvie Johanna) 1977. "Electronic architecture and technoogy development of astronaut spaceflight load sensors." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/83679.

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Estrelinha, Emílio Gerardo. "Tele-operation of a humanoid robot using haptics and load sensors." Master's thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/11986.

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Mestrado em Engenharia Mecânica<br>O principal objetivo desta tese é criar uma plataforma eficaz e modular para preparar o Projeto Humanoide da Universidade de Aveiro (PHUA) para o ensino tele-cinestésico. Este novo conceito de aprendizagem robótica por demonstração é neste momento a base deste projeto, onde um usuário humano tele-opera o robô em vários movimentos e tarefas de equilíbrio. Os dados recolhidos durante estas demonstrações podem ser usados em algoritmos de aprendizagem de modo a que o robô se possa mover, equilibrar e caminhar sozinho. O robô utilizado neste trabalho é uma

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Amir, Amir R. (Amir Riyadh). "Design and development of advanced load sensors for the International Space Station." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/46257.

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Thesis (E.A.A.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.<br>Includes bibliographical references (p. 137-142).<br>In preparation for the construction of the International Space Station (ISS) a risk mitigation experiment was conducted to quantify the crew-induced disturbances to the microgravity environment on board a spacecraft during a long duration space flight. Achieving a microgravity environment for scientific experiments is one of the primary objectives of the ISS. While numerous measurements have been made to characterize the overall accelerato

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Sole, C. J., Caleb D. Bazyler, Ashley A. Kavanaugh, Satoshi Mizuguchi, and Michael H. Stone. "Relationship between Internal and External Estimates of Training Load Using Wearable Inertial Sensors." Digital Commons @ East Tennessee State University, 2015. https://dc.etsu.edu/etsu-works/3837.

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PURPOSE: The purpose of the study was to examine the relationship between an external estimate of training load obtained from a wearable accelerometer device and perceived training load in women’s volleyball. METHODS: Participants of this study were thirteen NCAA Division I women’s volleyball players (Age: 20.3±1.2 y, height: 174.9±7.9cm, body mass: 68.1±12.7 kg). A wearable accelerometer device (Catapult Sports, MiniMaxX S4) was used to estimate external training load during volleyball practice sessions. In addition, following each session a rating of perceived exertion was obtained from each

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Lu, Donghang [Verfasser], Rolf [Akademischer Betreuer] Jakoby, and Mario [Akademischer Betreuer] Kupnik. "Dual-load Hybrid Detection of Water Content Using Electromagnetic and Surface Acoustic Wave Sensors / Donghang Lu ; Rolf Jakoby, Mario Kupnik." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2016. http://d-nb.info/1121206972/34.

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González, Andrea Veronica. "Redes de sensores com nodos móveis: investigando efeitos da mobilidade na cobertura de sensoriamento e no balanceamento de carga." Universidade Federal de Pelotas, 2016. http://repositorio.ufpel.edu.br:8080/handle/prefix/3295.

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Submitted by Aline Batista (alinehb.ufpel@gmail.com) on 2017-03-23T22:13:11Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Redes de sensores com nodos móveis.pdf: 6727540 bytes, checksum: 3de001c9a299b0722e7e13bd8cafbb33 (MD5)<br>Approved for entry into archive by Aline Batista (alinehb.ufpel@gmail.com) on 2017-04-05T19:13:02Z (GMT) No. of bitstreams: 2 Redes de sensores com nodos móveis.pdf: 6727540 bytes, checksum: 3de001c9a299b0722e7e13bd8cafbb33 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available

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Rodriguez, Alexander John, and alex73@bigpond net au. "Experimental Analysis of Disc Thickness Variation Development in Motor Vehicle Brakes." RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070209.123739.

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Over the past decade vehicle judder caused by Disc Thickness Variation (DTV) has become of major concern to automobile manufacturers worldwide. Judder is usually perceived by the driver as minor to severe vibrations transferred through the chassis during braking [1-9]. In this research, DTV is investigated via the use of a Smart Brake Pad (SBP). The SBP is a tool that will enable engineers to better understand the processes which occur in the harsh and confined environment that exists between the brake pad and disc whilst braking. It is also a tool that will enable engineers to

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8

Lu, Kan. "Dynamics Based Damage Detection of Plate-Type Structures." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1133818717.

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Li, Jing. "Inverse Problems in Structural Mechanics." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/30075.

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This dissertation deals with the solution of three inverse problems in structural mechanics. The first one is load updating for finite element models (FEMs). A least squares fitting is used to identify the load parameters. The basic studies are made for geometrically linear and nonlinear FEMs of beams or frames by using a four-noded curved beam element, which, for a given precision, may significantly solve the ill-posed problem by reducing the overall number of degrees of freedom (DOF) of the system, especially the number of the unknown variables to obtain an overdetermined system. For the b

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Chen, Amy. "Oceanographic Instrument Simulator." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1585.

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The Monterey Bay Aquarium Research Institute (MBARI) established the Free Ocean Carbon Enrichment (FOCE) experiment to study the long-term effects of decreased ocean pH levels by developing in-situ platforms [1]. Deep FOCE (dpFOCE) was the first platform, which was deployed in 950 meters of water in Monterey Bay. After the conclusion of dpFOCE, MBARI developed an open source shallow water FOCE (swFOCE) platform located at around 250 meter of water to facilitate worldwide shallow water experiments on FOCE [1][2]. A shallow water platform can be more ubiquitous than a deep-water platform as shal

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11

Eccles, Lee H. "PRESSURE BELT FOR WING LOADS MEASUREMENT." International Foundation for Telemetering, 2001. http://hdl.handle.net/10150/606396.

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International Telemetering Conference Proceedings / October 22-25, 2001 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Boeing Commercial Airplanes has used many methods in the past to measure the structural loads on the wings of its airplanes. The most recent approach is to use arrays of MEMS pressure sensors on the top and bottom surfaces of the wings. By knowing the difference in pressure between the top and bottom of the wings the structural loads on the wings can be calculated. It was decided that in order to build an array of 1100 sensors it would be necessary to conditio

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12

Nittala, Venkata Lakshmana Prasanth. "Routing algorithms for large scale wireless sensor networks." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1449.

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Routing in sensor networks is a challenging issue due to inherent constraints such as power, memory, and CPU processing capabilities. In this thesis, we assume an All to All communication mode in an N × N grid sensor network. We explore routing algorithms which load balance the network without compromising the shortest paths constrain. We analyzed the Servetto method and studied two routing strategies, namely Horizontal-Vertical routing and Zigzag routing. The problem is divided into two scenarios, one being the static case (without failed nodes), and the other being the dynamic case (with fai

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13

Tall, Hamadoun. "Load balancing in multichannel data collection wireless sensor networks." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC006/document.

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Les Réseaux de Capteurs Sans Fil (RCSF) sont de plus en plus exploités par des applications diverses grâce à leur facilité de déploiement et d’auto-configuration. Les applications de collecte de données qui utilisent les RCSF ont souvent un profil convergecast : l’ensemble des données récoltées par tous les capteurs du réseau sont acheminées vers un puits de collecte, grâce à une communication multi-saut. Pendant l’acheminement des données des nœuds de collecte vers le puits, des goulots d’étranglement sont fréquemment observés, principalement au voisinage du puits. Cela est du à la congestion

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14

Bourgeois, Wilfrid. "On-line monitoring of wastewater quality using a chemical sensor array." Thesis, Cranfield University, 2002. http://dspace.lib.cranfield.ac.uk/handle/1826/7887.

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Real-time and on-line monitoring of wastewater quality is a subject of growing concern both in the United Kingdom and internationally. Global organic load parameters are traditionally used to define wastewater characteristics and to demonstrate that a wastewater treatment plant meets statutory law. However these measurements are mainly based on sample collection and retrospective analysis which can be time consuming. Existing on-line instruments remain limited by environmental factors, short lifetimes and fouling problems due to the harsh environment in which they have to be located. The recen

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15

ANDERSSON, JOHAN, and RICKARD HÖGLUND. "Electric Load Driven Longboard." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-279809.

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This bachelor’s thesis aims to show an extensive overview of all the parts that build up an electric load driven longboard and see if a load controlled longboard can be seen as a safe, comfortable and convenient alternative to the more common remote controlled longboard. The thesis will also answer how weight can be measured on a longboard in the most effective way, what the most comfortable riding technique is and what a good motor-battery configuration to be able to travel at 30 km/h and 10 km would be. The longboard measures the weight distribution with load cells located between the deck a

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16

White, Kevin A. "Tactical network load balancing in multi-gateway wireless sensor networks." Thesis, Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/39036.

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Approved for public release; distribution is unlimited.<br>A tactical wireless sensor network (WSN) is a distributed network that facilitates wireless information gathering within a region of interest. For this reason, WSNs are finding increased use by the Department of Defense. A challenge in the deployment of WSNs is the limited battery power of each sensor node. This has a significant impact on the service life of the network. In order to improve the lifespan of the network, load balancing techniques using efficient routing mechanisms must be employed such that traffic is distributed betwee

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17

Kleerekoper, Anthony. "Distributed load balancing in many-to-one wireless sensor networks." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/distributed-load-balancing-in-manytoone-wireless-sensor-networks(b282c4bc-e4b0-4440-9cad-57ebb28b167f).html.

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A typical sensor network is conceived as being a very large collection of low-powered, homogeneous nodes that remain static post-deployment and forward sensed data to a single sink via multi-hop communication. For these types of networks there is an inherent funnelling effect whereby the nodes that can communicate directly with the sink must collectively forward the traffic of the entire network and therefore these nodes use more energy than the other nodes. This is known as the energy hole problem because after some time, these nodes deplete their batteries and leave an energy hole cutting th

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Caliskanelli, Ipek. "A bio-inspired load balancing technique for wireless sensor networks." Thesis, University of York, 2014. http://etheses.whiterose.ac.uk/7030/.

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Wireless Sensor Networks (WSNs) consist of multiple distributed nodes each with limited resources. With their strict resource constraints and application-specific characteristics, WSNs contain many challenging trade-offs. This thesis is concerned with the load balancing of Wireless Sensor Networks (WSNs). We present an approach, inspired by bees’ pheromone propagation mechanism, that allows individual nodes to decide on the execution process locally to solve the trade-off between service availability and energy consumption. We explore the performance consequences of the pheromone-based load ba

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19

Jaroo, Amer S. "Bridge Load Rating Using Dynamic Response Collected Through Wireless Sensor Networks." Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1391692831.

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Konstantinou, N. "The role of visual short term memory load in visual sensory detection." Thesis, University College London (University of London), 2011. http://discovery.ucl.ac.uk/1335839/.

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In this thesis I established the role of Visual Short-Term Memory (VSTM) load in visual detection while comparing to the roles of perceptual load and Working Memory (WM) cognitive control load. Participants performed a short-term memory task combined with a visual detection task (as well as attention task, Chapter 2) during the memory delay. The level and type of load was varied (perceptual load, VSTM load or WM cognitive control load). Measures of detection sensitivity demonstrated that increased VSTM load and perceptual load have both resulted in impaired detection sensitivity that was of eq

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21

Bawaqneh, Hamdi. "Virtual Vehicle Pitch Sensor." Thesis, Linköpings universitet, Institutionen för systemteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69944.

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An indirect tire pressure monitoring system uses the wheel rolling radius as an indicator of low tire pressure. When extra load is put in the trunk of a car, the load distribution in the car will change. This will affect the rolling radius which in its turn will be confused with a change in the tire pressure. To avoid this phenomenon, the load distribution has to be estimated. In this thesis methods for estimating the pitch angle of a car and an offset in the pitch angle caused by changed load distribution are presented and when an estimate is derived, a load distribution can be derived. Alot

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22

Ranganathan, Aravind. "Dynamic Forests and Load Balancing for Data Gathering in Wireless Sensor Networks." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1276534625.

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Le, Xuan-Chien. "Improving performance of non-intrusive load monitoring with low-cost sensor networks." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S019/document.

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Dans les maisons et bâtiments intelligents, il devient nécessaire de limiter l'intervention humaine sur le système énergétique, afin de fluctuer automatiquement l'énergie consommée par les appareils consommateurs. Pour cela, un système de mesure de la consommation électrique d'équipements est aussi nécessaire et peut être déployé de deux façons : intrusive ou non-intrusive. La première solution consiste à relever la consommation de chaque appareil, ce qui est inenvisageable à une grande échelle pour des raisons pratiques liées à l'entretien et aux coûts. Donc, la solution non-intrusive (NILM p

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Mentink, Michael Johannes Antonius. "Measurement of bearing load in unicompartmental knee arthroplasty using an instrumented knee bearing." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:65a90ea6-77b6-49f2-9d8f-ecc4780dff81.

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The aim of this thesis was to investigate how to construct a system to measure load in a mobile unicompartmental knee replacement (UKR) bearing. In vivo loads have been measured in a total knee replacement (TKR), but with TKR the kinematics are different from those of the normal knee, whereas they are close to normal in a mobile UKR, so the loads measured by an instrumented UKR would be more representative of the normal knee. On the principle of measuring compression of an object under load, the load may be estimated. Compression measurement using a capacitive sensor was the optimal solution t

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Ingeström, Victor, and John Hansson. "A Method for Estimating Soot Load in a DPF using an RF-based Sensor." Thesis, Linköpings universitet, Institutionen för systemteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-77970.

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The European emission standard is an EU directive which describes what emission limits car manufactures are required to meet. In order to meet these requirements car manufacturers use different techniques and components. In a modern diesel automobile a Diesel Particulate Filter (DPF) is used to gather soot from the exhausts. As soot accumulates in the DPF, the back pressure increases and the capability to hold more soot decreases. Therefore the DPF continuously needs to get rid of the stored soot. The soot is removed through a process called regeneration. In order to optimize when to perform r

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26

Ibrahim, Rwan. "An energy-efficient and load-balancing cluster-based routing protocol for wireless sensor networks." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119428.

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Clustering is a popular routing technique in configuring Wireless Sensor Networks (WSNs). It can determine the communications between all nodes to collect data in an efficient manner. It handles the main challenge of energy-efficiency in WSNs, and can be used to re-configure the network according to changes in the nodes' conditions. This thesis contributes to the routing in WSNs by proposing an Energy-efficient and Load-balancing Cluster-based (ELC) routing algorithm for Carrier Sense Multiple Access (CSMA)-based WSNs. In particular, both distance and residual energy are taken into considerati

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Hernandez, Hernandez Helga Johana. "The Effect of Oregano Essential Oil on Microbial Load, Drying Kinetics and Sensory Atributes of Dried Meat." Doctoral thesis, Česká zemědělská univerzita v Praze, 2016. http://www.nusl.cz/ntk/nusl-259727.

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Microbial load can be controlled using either synthetic or natural preservatives. Particular interest has been focused on the potential application of plant essential oils as safer additives for meat. However, there is no published research on the use of essential oils during the meat drying process. This study was focused on enhancing the meat drying process. At first a value-added dried meat product by using oregano essential oil (OEO) to inhibit the growth of bacteria, and the sensorial response from assessors is presented. It was found that the application of the OEO in meat is effective i

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Keshav, Pratish. "Optimisation of an industrial scale ball mill using an online pulp and ball load sensor." Master's thesis, University of Cape Town, 2013. http://hdl.handle.net/11427/16463.

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The secondary milling circuit at Waterval UG2 Concentrator had undergone a circuit change with the commissioning of the IsaMill, a horizontally stirred mill, in parallel with the secondary ball mill. The operation treats the PGM bearing UG2 ore type and produces a final concentrate enriched with PGM's. The concept was to treat the finer silicate rich fraction in the IsaMill and the coarser chromite rich fraction through the ball mill. This circuit is typical of a UG2 plant in which maximum silicate with minimal chromite breakage is targeted. As a result of the circuit change an opportunity for

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Bysice, Jason. "In-Situ Measurement of Wind Loads for Roof Edge Metal Configurations." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/33002.

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The role of a roof on any building is to separate the interior environment of the building from the exterior environment, thereby making it a crucial component of the building design. Metal roof edges are the first line of defense against wind-induced loads on the roof system; however, data on the nature of these loads acting on the roof edge system is scarce. Previous studies with field measurements of wind pressure acting on the roof edge reported that metal flashings experienced negative pressure. These findings suggest that current building codes in North America (i.e. NBCC and ASCE codes)

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30

Chytil, Jan. "Statická zatěžovací zkouška nosné konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227811.

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Subject of the thesis is experimental verification of load capacity of construction for storage coal by using load test. In the first part, the analysis of sorts of load tests is made and its execution in causality with standard regulations. Further possible options of bringing test load are described and also the method of evaluation of static load test. Second part looks into the analysis of means of measurement which can be used to determine required quantity. Final part is dedicated to realization and evaluation of the load test on material construction followed by comparison of experiment

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Hult, Axel, and Chang Daniel Munguia. "Smartphone Acquisition and Online Visualization of IMU and EMG Sensor Data for Assessment of Wrist Load." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-231304.

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Work-related musculoskeletal disorders constitutes a substantial burden for society, generating individual suffering and financial costs. Quantifying the musculoskeletal stress and establishing exposure-response relationships is an important step in facing this problem. Observational methods for assessing exposure in the field of ergonomics have shown poor results, and the technical measurement methods that exists are often complicated to use which limits their scope to scientific purposes. This work describes the development of a prototype measurement system aimed to simplify ambulatory measu

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32

Opperman, Roedolph A. (Roedolph Adriaan). "Enhanced dynamic load sensor for the International Space Station : design, development, musculoskeletal modeling and experimental evaluation." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122498.

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Thesis: Ph. D. in Aerospace Systems Engineering, Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 163-179).<br>Prolonged exposure of a vertebrate musculoskeletal system to the microgravity environment of space leads to a reduction in bone mineral density, muscle mass, strength and endurance. Such deconditioning may impede critical astronaut activities and presents an increased injury risk during flight and when exposed to increased gravity like that of Earth or Mars. Ex

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He, Jing S. "Connected Dominating Set Based Topology Control in Wireless Sensor Networks." Digital Archive @ GSU, 2012. http://digitalarchive.gsu.edu/cs_diss/70.

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Wireless Sensor Networks (WSNs) are now widely used for monitoring and controlling of systems where human intervention is not desirable or possible. Connected Dominating Sets (CDSs) based topology control in WSNs is one kind of hierarchical method to ensure sufficient coverage while reducing redundant connections in a relatively crowded network. Moreover, Minimum-sized Connected Dominating Set (MCDS) has become a well-known approach for constructing a Virtual Backbone (VB) to alleviate the broadcasting storm for efficient routing in WSNs extensively. However, no work considers the load-balance

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34

Czerwek, Martin. "Experimentální a numerická analýza externího zesílení železobetonového prvku namáhaného ohybem." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265545.

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Design and manufacture of reinforced concrete beams for laboratory testing. Implementation of selected tests of mechanical properties for selected elements. Experimental analysis of reinforced concrete beams in the laboratory. Creating a numerical model in the software ATENA 2D. Graphic processing of numerical and experimental analysis and comparison.

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Li, Dongsheng [Verfasser]. "Load dependent sensor placement method based on representative least squares : applications in structural health monitoring / Dongsheng Li." Aachen : Shaker, 2012. http://d-nb.info/1069048461/34.

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Lesho, Jeffrey Carl. "Embedded damage sensor using triboluminescence as a transduction mechanism for detecting failure of a material under load." Available to US Hopkins community, 2002. http://wwwlib.umi.com/dissertations/dlnow/3068181.

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Demba, Susanne. "Sensor-based detection of the teat load caused by a collapsing liner using a pressure-indicating film." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18564.

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Ziel der Arbeit war es zum Einen die Eignung der Messung statischer Drücke in unterschiedlichen Größenordnungen mit Hilfe von roter Farbdichtevariation zur direkten Messung des Druckes zwischen Zitze und Zitzengummi beim Melken zu testen. Zum Anderen wurden verschiedene Einflussfaktoren auf diesen Druck analysiert. Dafür wurden Untersuchungen im Versuchsmelkstand unter der Verwendung verschiedener Zitzenmodelle durchgeführt. Der Einfluss verschiedener Anlagenvakua, Pulsationsraten, Pulsphasenverhältnisse und Zitzengummis auf die Zitzenbelastung wurde umfangreich analysiert. Es wurde festgeste

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38

Yu, Chen. "SCHEDULING AND RESOURCE MANAGEMENT FOR COMPLEX SYSTEMS: FROM LARGE-SCALE DISTRIBUTED SYSTEMS TO VERY LARGE SENSOR NETWORKS." Doctoral diss., Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002907.

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Darden, Kelvin S. "Smart Microgrid Energy Management Using a Wireless Sensor Network." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1404560/.

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Modern power generation aims to utilize renewable energy sources such as solar power and wind to supply customers with power. This approach avoids exhaustion of fossil fuels as well as provides clean energy. Microgrids have become popular over the years, as they contain multiple renewable power sources and battery storage systems to supply power to the entities within the network. These microgrids can share power with the main grid or operate islanded from the grid. During an islanded scenario, self-sustainability is crucial to ensure balance between supply and demand within the microgrid. Thi

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Li, Chun-Yi, and 李俊儀. "Load-Balancing Deployment of Sensors in Multi-sink Wireless Sensor Networks." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/44833598034409689841.

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碩士<br>玄奘大學<br>資訊管理學系碩士班<br>99<br>A multi-sink wireless sensor network (WSN) is composed of a large number of sensors deployed in a wide area and there are some special sensors referred as sinks which play the role of data collector. Sinks are connected to internet so that they can forward data to the data collecting server. Thus each sensor can forward the information they sensed to any one of these sinks. Since sensors located in different positions might bear different communication responsibilities, e.g. forwarding the data generated by some other sensors, the loading or energy consumption

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Kuo, Tzu-Yao, and 郭子嶢. "Bed Exit Behavior Recognition and Prediction Using Load Cell Sensors." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/zp9f64.

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碩士<br>國立臺北科技大學<br>電子工程系<br>106<br>Fall is one of the most common injury incident reported in hospitals and nursing home. Most of falls occur when the patients or elderly try to get off the bed after they wake up. Because of the shortage of staff and resources, nurses cannot always provide the assistance in time. As a result, it is common for patients and elderly to fall off the bed due to being alone in these places. In this research, we present a bed exit behavior recognition and prediction system. The system comprises four load cell sensors installed under the legs of bed with stands. Lo

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Hung, Chien-Chun, and 洪健淳. "An Energy-Efficient Opportunistic Routing for Load-Balancing in Wireless Sensors Networks." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/96896933163852805595.

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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>97<br>Opportunistic routing has been widely approved because of its throughput improvement for wireless mesh networks; however, few researches focus on transforming its benefit into realizing energy efficiency for wireless sensor networks (WSNs). We notice that two common issues in fixed-path routing schemes, including single-path routing or multi-path routing, are that (1) a path may traverse through a fixed set of sensors, draining out their energy, and (2) packet retransmission over an unreliable link of any fixed-path may consume energy significantly. In this pa

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Wen-Hau, Liau. "Inhabitant Tracking and Service Provision in an Intelligent e-Home via Floor Load Sensors." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2507200520104000.

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Liau, Wen-Hau, and 廖文豪. "Inhabitant Tracking and Service Provision in an Intelligent e-Home via Floor Load Sensors." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/41953128393955508310.

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碩士<br>國立臺灣大學<br>資訊工程學研究所<br>93<br>In this thesis, we utilize the inherent identity, the weight of the inhabitants, to track the movement of the inhabitants and provide appropriate services after determining the location of the inhabitants. There are several studies on tracking inhabitants in all kinds of environments, such as RF-ID tags or Image-detection. Those approaches sometimes require the inhabitants to wear some devices or need much pre-calibration before tracking the inhabitants. Such approaches make the inhabitants feel uncomfortable while the purpose is trying to provide convenient s

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Lu, Donghang. "Dual-load Hybrid Detection of Water Content Using Electromagnetic and Surface Acoustic Wave Sensors." Phd thesis, 2016. https://tuprints.ulb.tu-darmstadt.de/5830/1/main.pdf.

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This work focuses on water content detection both in materials and in gases, i.e., measurements of moisture and humidity. To detect the moisture, a cavity perturbation method (CPM) is introduced to extract the relationship between permittivity and water content in material under test (MUT), which, in this application is tobacco at a single frequency. The obtained information is used as pre-knowledge for a mass flow sensor design in tobacco production. The mass flow sensor is an open cylindrical resonator that consists of two circular waveguides with different diameters. An on-sight test of th

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Huang, Kuan-Ming, and 黃寬明. "Development of Strain Gage and Fiber Bragg Grating Sensors for Nuclear Power Plant Valve Stem Load Monitoring." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/36282704594127697170.

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碩士<br>臺灣大學<br>機械工程學研究所<br>96<br>During routine overhaul, the axial force and torque in each valve stem in a nuclear power plant need to be monitored. Currently, pre-formed gages on a thin metal strip are used for this purpose. These gages are expensive and cannot last until the next overhaul. The current work attempts to fabricate similar gage that are ready for field use. The detailed requirements to ensure good accuracy during fabrication are analyzed. Practical gages have been manufactured and tested. The measured results agreed well with theoretical and experimented strain measured by stic

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Regier, RYAN. "APPLICATION OF FIBRE OPTICS ON REINFORCED CONCRETE STRUCTURES TO DEVELOP A STRUCTURAL HEALTH MONITORING TECHNIQUE." Thesis, 2013. http://hdl.handle.net/1974/8181.

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To better manage deteriorating infrastructure, quantitative data about the performance of infrastructure assets is required. Rayleigh based distributed fibre optic strain sensing (FOS) is a technology that has the potential to offer this type of data and unlike traditional strain sensors it can measure the strain along the full length of the structure. A series of experiments were undertaken to develop installation techniques and evaluate sensor accuracy for typical civil engineering materials: steel, concrete and reinforced concrete. The results of these experiments showed that the choice

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Mabood, Fazal. "Evaluating Tire Pressure Control System to Improve Productivity and Mitigate Pavement Damage." Thesis, 2008. http://hdl.handle.net/10012/3978.

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The introduction of the use of Tire Pressure Control Systems (TPCS) to improve the productivity of the Canadian trucking industry is gaining momentum. The imposition of seasonal load restrictions (SLR) on the thaw-weakened secondary roads interrupts the transportation of raw materials to processing facilities For the forestry industry in particular, this has very significant impacts on productivity and costs. FPInnovations-Feric Division (Feric) has investigated the potential for TPCS-equipped trucks to travel with full, legal loading during the SLR period without accelerating road wear and te

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Wu, Chun-Shen, and 吳俊伸. "Load-Aware Geographic Routingin Wireless Sensor Networks." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/81884452611777482586.

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碩士<br>雲林科技大學<br>電機工程系碩士班<br>98<br>Wireless sensor network applications such as environmental monitoring and data gathering are meant to operate as long as possible. Since each wireless node has limited communication range, packets are generally delivered hop by hop, at the expense of power consumption, towards the intended destinations. However, when any intermediate node on a path has depleted its power, i.e., a hole emerges, packet delivery fails and subsequently another new route must be resolved, so as to restore packet transfer. Therefore, a well-planned routing strategy that avoids ineff

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Wang, Sheng-Yuan, and 王聖淵. "Load Balancing Routing in Wireless Sensor Networks." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/93169751190161477681.

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碩士<br>國立臺北大學<br>資訊工程學系<br>102<br>Routing in WSN usually focuses on balanced distribution of nodes, nodes energy balanced and optimizing routing paths to be the shortest, fewer considering traffic load balancing issues. In WSN, some nodes become bottleneck because of encountering excessive data flow. So how to balance the load of network becomes the key of design WSN routing protocol. To achieve load balancing and reduce network bottleneck in data-intensive WSN, we propose Load Balancing Routing (LBR) protocol for WSN. LBR is based on layer routing design to connect sensor nodes and SINK. LBR c

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