Relevant bibliographies by topics / ACCELEROMETRI

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'ACCELEROMETRI'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 March 2023

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Journal articles on the topic "ACCELEROMETRI"

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Roth, Marilyn A., and Jennifer S. Mindell. "Who Provides Accelerometry Data? Correlates of Adherence to Wearing an Accelerometry Motion Sensor: The 2008 Health Survey for England." Journal of Physical Activity and Health 10, no. 1 (2013): 70–78. http://dx.doi.org/10.1123/jpah.10.1.70.

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Background:Use of objective physical activity measures is rising. We investigated the representativeness of survey participants who wore an accelerometer.Methods:4273 adults aged 16+ from a cross-sectional survey of a random, nationally representative general population sample in England in 2008 were categorized as 1) provided sufficient accelerometry data [4−7 valid days (10+ hrs/d), n = 1724], 2) less than that (n = 237), or 3) declined (n = 302). Multinomial logistic regression identified demographic, socioeconomic, health, lifestyle, and biological correlates of participants in these latte
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Evenson, Kelly R., Elissa Scherer, Kennedy M. Peter, Carmen C. Cuthbertson, and Stephanie Eckman. "Historical development of accelerometry measures and methods for physical activity and sedentary behavior research worldwide: A scoping review of observational studies of adults." PLOS ONE 17, no. 11 (2022): e0276890. http://dx.doi.org/10.1371/journal.pone.0276890.

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This scoping review identified observational studies of adults that utilized accelerometry to assess physical activity and sedentary behavior. Key elements on accelerometry data collection were abstracted to describe current practices and completeness of reporting. We searched three databases (PubMed, Web of Science, and SPORTDiscus) on June 1, 2021 for articles published up to that date. We included studies of non-institutionalized adults with an analytic sample size of at least 500. The search returned 5686 unique records. After reviewing 1027 full-text publications, we identified and abstra
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Gewolb, Ira H., and Frank L. Vice. "Use of a non-invasive accelerometric method for diagnosing gastroesophageal reflux in premature infants." Journal of Perinatology 41, no. 8 (2021): 1879–85. http://dx.doi.org/10.1038/s41372-021-01034-5.

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Abstract Objective To evaluate the clinical usefulness of a non-invasive accelerometric device to diagnose GER in preterm babies. Study design An accelerometer was taped over the sub-xiphoid process in 110 preterm (GA 29.6 ± 3.3 wk) infants (133 studies). Low frequency, sub-audible signals were captured via digital recording (sampling rate 200 Hz), then re-sampled (rate = 60 Hz) to create a spectrogram (focused range 0–30 Hz). Mean amplitude in the focused range was calculated. Results Of 85 studies with simultaneous pH-metry and accelerometry, 18 had concurrent positive and 23 had concurrent
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Kelly, Stephen J., Aron J. Murphy, Mark L. Watsford, Damien Austin, and Michael Rennie. "Reliability and Validity of Sports Accelerometers During Static and Dynamic Testing." International Journal of Sports Physiology and Performance 10, no. 1 (2015): 106–11. http://dx.doi.org/10.1123/ijspp.2013-0408.

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Purpose:To investigate the validity and reliability of accelerometry of the SPI-ProX II dual data logger (GPSports, Canberra, Australia).Methods:Controlled laboratory assessments determined the accuracy and reproducibility of raw accelerometer data. Intra- and interdevice reliability assessed the ability of the SPI-ProX II accelerometers to repeatedly measure peak gravitational accelerations (g) during impact-based testing. Static and dynamic validity testing assessed the accuracy of SPI-ProX II accelerometers against a criterion-referenced accelerometer. Dynamic validity was assessed over a r
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Bolton, Samantha, Nick Cave, Naomi Cogger, and G. R. Colborne. "Use of a Collar-Mounted Triaxial Accelerometer to Predict Speed and Gait in Dogs." Animals 11, no. 5 (2021): 1262. http://dx.doi.org/10.3390/ani11051262.

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Accelerometry has been used to measure treatment efficacy in dogs with osteoarthritis, although interpretation is difficult. Simplification of the output into speed or gait categories could simplify interpretation. We aimed to determine whether collar-mounted accelerometry could estimate the speed and categorise dogs’ gait on a treadmill. Eight Huntaway dogs were fitted with a triaxial accelerometer and then recorded using high-speed video on a treadmill at a slow and fast walk, trot, and canter. The accelerometer data (delta-G) was aligned with the video data and records of the treadmill spee
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Clark, Cain C. T., Claire M. Barnes, Mark Holton, Huw D. Summers, and Gareth Stratton. "SlamTracker Accuracy under Static and Controlled Movement Conditions." Sport Science Review 25, no. 5-6 (2016): 374–83. http://dx.doi.org/10.1515/ssr-2016-0020.

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Abstract Accelerometry is the de facto standard in objective physical activity monitoring. However traditional accelerometer units undergo proprietary pre-processing, resulting in the ‘black-box’ phenomenon, where researchers are unaware of the processes and filters used on their data. Raw accelerometers where all frequencies related to human movement are included in the signal, would facilitate novel analyses, such as frequency domain analysis and pattern recognition. The aim of this study was to quantify the mean, standard deviation and variance of the SlamTracker raw accelerometer at a rang
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Dorofeev, N. V., Oleg R. Kuzichkin, and A. V. Tsaplev. "Accelerometric Method of Measuring the Angle of Rotation of the Kinematic Mechanisms of Nodes." Applied Mechanics and Materials 770 (June 2015): 592–97. http://dx.doi.org/10.4028/www.scientific.net/amm.770.592.

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This article discusses the use of accelerometers to measure the angle of rotation of the kinematic pairs. The main problems of accelerometer methods and justified phasemetric method of forming the differential signal transducer. The application phase metric method accelerometeric measuring the angle of rotation of the kinematic pair eliminates the multiplicative error at the preliminary stage of the measurement.
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Sjöros, Tanja, Henri Vähä-Ypyä, Saara Laine, et al. "Influence of the Duration and Timing of Data Collection on Accelerometer-Measured Physical Activity, Sedentary Time and Associated Insulin Resistance." International Journal of Environmental Research and Public Health 18, no. 9 (2021): 4950. http://dx.doi.org/10.3390/ijerph18094950.

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Accelerometry is a commonly used method to determine physical activity in clinical studies, but the duration and timing of measurement have seldom been addressed. We aimed to evaluate possible changes in the measured outcomes and associations with insulin resistance during four weeks of accelerometry data collection. This study included 143 participants (median age of 59 (IQR9) years; mean BMI of 30.7 (SD4) kg/m2; 41 men). Sedentary and standing time, breaks in sedentary time, and different intensities of physical activity were measured with hip-worn accelerometers. Differences in the accelero
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Oliver, Melody, Hannah Badland, Suzanne Mavoa, Mitch J. Duncan, and Scott Duncan. "Combining GPS, GIS, and Accelerometry: Methodological Issues in the Assessment of Location and Intensity of Travel Behaviors." Journal of Physical Activity and Health 7, no. 1 (2010): 102–8. http://dx.doi.org/10.1123/jpah.7.1.102.

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Background:Global positioning systems (GPS), geographic information systems (GIS), and accelerometers are powerful tools to explain activity within a built environment, yet little integration of these tools has taken place. This study aimed to assess the feasibility of combining GPS, GIS, and accelerometry to understand transport-related physical activity (TPA) in adults.Methods:Forty adults wore an accelerometer and portable GPS unit over 7 consecutive days and completed a demographics questionnaire and 7-day travel log. Accelerometer and GPS data were extracted for commutes to/from workplace
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Courtney Musson and Mark Kramer. "Accelerometery vs. video-derived stroke parameters in high-level swimmers." South African Journal of Sports Medicine 33, no. 1 (2021): 1–6. http://dx.doi.org/10.17159/2078-516x/2021/v33i1a9483.

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 Background: Swimming is a multifaceted sport with nuanced performance parameters that tend to vary according to the swimmer’s stroke style. The extraction and analyses of swim parameters, such as lap time (LT), stroke length (SL), stroke rate (SR) and velocity are time-consuming. This may be eased and to some extent automated by the use of cost-effective tri- axial accelerometers.
 Objectives: To determine the validity of tri-axial accelerometers across all four stroke styles, and to investigate kinematic differences in stroke styles using accelerometer- based
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Dissertations / Theses on the topic "ACCELEROMETRI"

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Schifini, Gabriele. "Analisi spettrale di segnali acquisiti con accelerometri MEMS." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13603/.

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L'approccio più comune nel monitoraggio dell'integrità delle strutture (SHM) consiste nell'esecuzione di misure accelerometriche della risposta delle strutture monitorate a stimoli naturali o artificiali. Tali misure possono essere usate, in particolare, per effettuare un'analisi modale, ovvero estrarre i modi di oscillazione principali e confrontarli con quelli relativi allo stato iniziale di integrità dell'edificio. I sensori maggiormente utilizzati in ambito di SHM sono gli accelerometri piezoelettrici e i MEMS capacitivi. Questi ultimi hanno un costo notevolmente inferiore rispetto ai prim
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Karlsson, Jenny. "Fysiska aktivitetsmönstret hos äldre, mätt med accelerometri före och i slutet av en två månaders träningsperiod." Thesis, Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-3398.

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Syfte. Syftet med studien var att med accelerometri kartlägga det fysiska aktivitetsmönstret hos äldre vid två separata förtest och i slutet av en tvåmånadersperiod med ledarledd träning två gånger per vecka. En vidare målsättning var att studera överensstämmelsen mellan enkätfrågorna om fysisk aktivitet och stillasittande gentemot uppmätt accelerometer­data. Metod. En grupp 65-91 år (medel 71 år, BMI 25 kg/m2) studerades. Två förtest (F1 & F2) samt ett efter­test (E) utfördes under sista träningsveckan. Totalt ingick 97 individer vid F1 & F2 samt 78 vid E som jämfördes mot resultat vi
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Vesterinen, Hanne. "Fysisk aktivitetsmätning med accelerometri hos äldre som genomgått operation för höftfraktur." Thesis, Örebro University, School of Health and Medical Sciences, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-7221.

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<p>Fysisk aktivitet hos äldre är viktig för att förebygga sjukdom samt för att upprätthålla självständighet och en bra livskvalitet. Fysisk aktivitet går att mäta med instrument, såsom accelerometer eller att skatta med skattningsskalor. Syftet med detta arbete var att undersöka om den fysiska aktiviteten är korrelerad med den fysiska funktionsförmågan och om fysisk aktivitet bestämd med accelerometri går att prediktera med skattningsskalor. I studien inkluderades totalt 27 patienter som opererats för höftfraktur. 14 av dessa var kvinnor med medelåldern 80 år (62-94) och 13 var män med medelål
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Marra, Matteo. "Prove su tavola vibrante di un silo metallico a fondo piano: identificazione dinamica mediante accelerometri." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/18691/.

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La tesi descrive le metodologie messe in atto al fine di interpretare il comportamento di un silo metallico a fondo piano, contenente grano, soggetto a vari input sismici: segnali di tipo random (white noise), sinusoidi a bassa frequenza, ed accelerogrammi corrispondenti a sismi reali e artificiali (selezionati e costruiti in modo da avere determinati contributi in frequenza), opportunamente scalati in relazione alla risposta strutturale. Vengono quindi analizzati i risultati di estensimetri (strain gauges), accelerometri (monoassiali) e celle di pressione, effettuando confronti, oltre che tra
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Olsson, Gustav. "Enkät för skattning av 8-åriga barns fysiska aktivitet : En valideringsstudie. Frågor ur SIH-enkäten jämförda med referensmetoden accelerometri." Thesis, Gymnastik- och idrottshögskolan, GIH, Institutionen för idrotts- och hälsovetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-1892.

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Aim To validate the STOPP-8-questionnaire (S8Q), containing items from the SIH-questionnaire, against the criterion method accelerometry to estimate its capacity to assess 8 year old Swedish children’s physical activity (PA). Can it assess children’s physical activity? Can it differentiate the active children from the sedentary? If the answer is yes, how well can it do so?   Method Data was collected during fall and winter the school year of 2008 - 2009 via the project STOPP-8. Out of 676 children at 12 schools in Stockholm area, 155 (boys n=72, girls n=83) provided complete questionnaire data
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Lepisk, Paul, and Anna-Maria Furu. "Hyper(in)aktiv? : En studie om sambandet mellan fysisk aktivitet och motorisk förmåga hos barn med ADHD." Thesis, Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:gih:diva-1110.

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<p>Syfte</p><p>Syftet med studien är att undersöka om det finns ett samband mellan motorisk färdighet ochmängd fysisk aktivitet av olika intensiteter hos barn med diagnosen ADHD.</p><p>Frågeställningar</p><p>1. Hur många barn med ADHD har motoriska nedsättningar utifrån Movement ABC?</p><p>2. Hur många barn med ADHD når upp till de Nordiska rekommendationerna för fysiskaktivitet?</p><p>3. Hur ser sambandet mellan motorisk färdighet och fysisk aktivitetsnivå ut hos barn medADHD?</p><p>Metod</p><p>I studien ingick fem pojkar i åldern 9-12 år med diagnosen ADHD. I studien mättes denfysiska aktivi
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Vilhelmsson, Agnes, and Isabelle Kerttu. "Jämförelse av treåriga pojkars och flickors fysiska aktivitet på veckodagar och helgdagar." Thesis, Umeå universitet, Avdelningen för fysioterapi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175611.

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Introduktion Fysisk aktivitet hos barn under fem år är ett område som saknar grundlig forskning. Nyligen har rekommendationer på fysisk aktivitet för denna åldersgrupp publicerats men det finns fortfarande många delar av detta område som inte är studerade.  Syfte Syfte med denna studie var att undersöka om det finns några skillnader i mängden fysisk aktivitet på veckodagar jämfört med helgdagar och även om en skillnad finns mellan pojkar och flickors fysiska aktivitet bland treåriga barn i Västerbotten. Metod Accelerometern (Motion watch 8/MW8) placerades på handleden på de treåriga barn vars
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ANNESSI, ALESSANDRO. "Design of a metamaterial-based hand held vibration probe." Doctoral thesis, Università Politecnica delle Marche, 2022. https://hdl.handle.net/11566/299641.

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Le misure vibrazionali sono un punto di riferimento nella dinamica strutturale. Lo stesso vale anche per la diagnostica dei guasti e la valutazione della qualità del prodotto in vari campi dell'industria, dalle linee di produzione dei componenti ai prodotti finiti. Queste misure sono solitamente eseguite utilizzando accelerometri piezoelettrici collegati alla struttura in esame. Il collegamento è solitamente realizzato tramite adesivi o cera d'api, magneti o perni filettati. Tuttavia, il processo di installazione di questi sensori può richiedere molto tempo e, in alcuni casi, può essere irreve
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Muraccini, Marco. "Stima della superficie corporea in condizioni statiche e dinamiche: Stato dell'arte e soluzioni innovative low-cost." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10127/.

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In questo progetto di tesi ci si addentrerà nel campo della scansione corporea, e più in generale di qualunque oggetto. In questo ambito le soluzioni proposte sono numerose e questo settore ha vissuto negli ultimi anni un’incredibile crescita, favorita anche dalla nascita delle stampanti 3D. Si può ragionevolmente supporre che tale crescita non sia destinata ad esaurirsi nei prossimi anni; ci sono i presupposti per cui questo settore occupi fette sempre più importanti del mercato. In questa tesi ci si è occupati prevalentemente di tecniche di scansione del corpo umano, in quanto una descrizi
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Abbondanza, Marco. "Sviluppo di sistemi di condition monitoring su piattaforma real-time/FPGA per test in sala prove." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14228/.

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L’attività di tesi nasce dall’esigenza presente in sala prove di monitorare in modo continuativo l’affidabilità del motore, con l’obiettivo di ottenere valutazioni predittive rispetto ai guasti che si possono verificare in prove di durata o semplicemente per valutare lo stato di usura del motore durante la sua intera vita. La funzione predittiva è fondamentale per evitare rotture disastrose che possono compromettere anche l’efficacia della diagnosi del problema che ha portato al guasto, aspetto di primaria importanza quando i componenti sottoposti a test sono di origine prototipale o destinate
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Books on the topic "ACCELEROMETRI"

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Dauderstädt, Ulrike Anna. A thermal accelerometer. Delft University Press, 1999.

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Olcott, Joanne E. Fiber-optic flexural disk accelerometer. Naval Postgraduate School, 1991.

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Levinzon, Felix. Piezoelectric Accelerometers with Integral Electronics. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-08078-9.

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Varum, Humberto, and Sérgio de Brito André. Accelerometers: Principles, structure and applications. Nova Science Publishers, Inc., 2011.

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B, Rogers Melissa J., and United States. National Aeronautics and Space Administration., eds. Accelerometer data analysis and presentation techniques. National Aeronautics and Space Administration, 1997.

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A, Rogers John, and Geological Survey (U.S.), eds. Relative performance of several inexpensive accelerometers. U.S. Dept. of the Interior, U.S. Geological Survey, 1995.

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C, Blanchard Robert, Larman K. T, and Langley Research Center, eds. Improved HIRAP flight calibration technique. National Aeronautics and Space Administration, Langley Research Center, 1992.

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Xu, Yong Ping. MEMS Silicon Oscillating Accelerometers and Readout Circuits. River Publishers, 2022. http://dx.doi.org/10.1201/9781003338826.

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John, Lekki, and NASA Glenn Research Center, eds. A self-diagnostic system for the M6 accelerometer. National Aeronautics and Space Administration, Glenn Research Center, 2001.

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Micro mechanical transducers: Pressure sensors, accelerometers, and gyroscopes. Elsevier Science B.V., 2000.

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Book chapters on the topic "ACCELEROMETRI"

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Abrams, David B., J. Rick Turner, Linda C. Baumann, et al. "Accelerometry." In Encyclopedia of Behavioral Medicine. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1005-9_100008.

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Zeng, Zhengwen, and Lin Fa. "Accelerometer." In Encyclopedia of Natural Hazards. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-1-4020-4399-4_10.

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Böning, Dieter, Michael I. Lindinger, Damian M. Bailey, et al. "Accelerometers." In Encyclopedia of Exercise Medicine in Health and Disease. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-29807-6_2003.

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Kahlenberg, Cynthia A., and Michael P. Ast. "Accelerometers." In Essentials of Cemented Knee Arthroplasty. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-662-63113-3_69.

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Alguacil, Gerardo, and Jens Havskov. "Seismic Accelerometers." In Encyclopedia of Earthquake Engineering. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36197-5_176-1.

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Alguacil, Gerardo, and Jens Havskov. "Seismic Accelerometers." In Encyclopedia of Earthquake Engineering. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35344-4_176.

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Mathews, James. "Piezoceramic Accelerometer." In Handbook of Signal Processing in Acoustics. Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-30441-0_70.

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Sharapov, Valeriy. "Piezoceramic Accelerometers." In Piezoceramic Sensors. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15311-2_13.

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Baker, Julien S., Fergal Grace, Lon Kilgore, et al. "Pedometer/Accelerometer." In Encyclopedia of Exercise Medicine in Health and Disease. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-29807-6_2849.

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Mark, Dave, and Jeff Lamarche. "Whee! Accelerometer!" In Beginning iPhone 3 Development. Apress, 2009. http://dx.doi.org/10.1007/978-1-4302-2460-0_15.

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Conference papers on the topic "ACCELEROMETRI"

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Lall, Pradeep, Amrit Abrol, Lee Simpson, and Jessica Glover. "Survivability of MEMS Accelerometer Under Sequential Thermal and High-G Mechanical Shock Environments." In ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ipack2015-48790.

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Reliability data on MEMS accelerometers operating in harsh environments is scarce. Micro-electro-mechanical systems (MEMS) are used in a variety of military and automotive applications for sensing acceleration, translation, rotation, pressure and sound. This research work focuses on dual axis MEMS accelerometer reliability in harsh environments. Structurally an accelerometer behaves like a damped mass on a spring. Commercially there are three types of accelerometers namely piezoelectric, piezoresistive and capacitive depending on the components that go into the fabrication of the MEMS device.
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Ko, Jong Soo, Young-Ho Cho, Byung Man Kwak, and Kwanhum Park. "Design and Fabrication of Piezoresistive Cantilever Microaccelerometer Arrays With a Symmetrically Bonded Proof-Mass." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-1267.

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Abstract This paper presents the production-oriented design and microfabrication process of a piezoresistive cantilever-beam microaccelerometer with a symmetrically bonded proof-mass. The symmetrically bonded proof-mass structure is devised not only for improving the production yield, but also for reducing the transverse sensitivity of the accelerometer. The accelerometers are batch fabricated in arrays, from which individual devices are obtained by wafer sawing process. The microfabricated accelerometer shows a resonant frequency of 2.15kHz and a sensitivity of 34μV/g/V within a nonlinearity
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Shan, Xiaowei, Ting Zou, James Richard Forbes, and Jorge Angeles. "Design Specifications for Biaxial Navigation-Grade MEMS Accelerometers." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37280.

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The focus of this paper is the design of a biaxial MEMS accelerometer for navigation applications. First, a survey is conducted to outline the commercial landscape of navigation-grade and MEMS accelerometers. The survey shows a potential market for navigation-grade accelerometers at the MEMS scale. Based on the specifications for navigation applications, the design targets are derived for the proposed biaxial MEMS accelerometers, including the common concerns of natural frequency ratios and bandwidth, as well as the important parameters for MEMS devices, such as hinge width, proof-mass size an
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Lall, Pradeep, Nakul Kothari, and Jessica Glover. "Mechanical Shock Reliability Analysis and Multiphysics Modeling of MEMS Accelerometers in Harsh Environments." In ASME 2015 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems collocated with the ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ipack2015-48457.

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MEMS accelerometers have found applications in harsh environments with pressure, temperatures above ambient conditions, high g shock and vibrations. The complex structure of these MEMS devices has made it difficult to understand the failure modes and failure mechanisms of present day MEMS accelerometers. Little work has been done by the researchers in investigating the high g reliability of the MEMS accelerometers by continuous high g drops and quantifying the failure modes. There is little literature addressing the multiphysics finite element modelling of MEMS accelerometers subjected to high
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Lee, Seung-Jae, and Dong-Woo Cho. "Fabrication of a Micro-Opto-Mechanical Accelerometer Based on Intensity Modulation." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41239.

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Accelerometers are most frequently used to monitor machining states, and are therefore crucial for automated and unmanned plant operations. In such a harsh environment, micro-accelerometers based on optical methods can be effective. This paper presents a new type of micro-opto-mechanical accelerometer that was developed using a combination of new technologies, such as deep reactive ion etching (DRIE), micro-stereolithography, and intensity modulation. The advantages of intensity modulation include the simplicity of the detection principle and the lack of a requirement for a high-quality light
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Vikas, Vishesh, and Carl D. Crane. "Gyroscope-Free Link Parameter Measurement Using Accelerometers and Magnetometer." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35360.

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Knowledge of joint angles, angular velocities is essential for control of link mechanisms and robots. The estimation of joint angles and angular velocity is performed using combination of inertial sensors (accelerometers and gyroscopes) which are contactless and flexible at point of application. Different estimation techniques are used to fuse data from different inertial sensors. Bio-inspired sensors using symmetrically placed multiple inertial sensors are capable of instantaneously measuring joint parameters (joint angle, angular velocities and angular acceleration) without use of any estima
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Komarizadehasl, Seyedmilad, Fidel Lozano, Mahyad Komary, Jose A. Lozano-Galant, and José Turmo. "Resolution improvement of Low-Cost MEMS accelerometer by aligning Simulations sensors." In IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures. International Association for Bridge and Structural Engineering (IABSE), 2022. http://dx.doi.org/10.2749/prague.2022.1830.

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&lt;p&gt;Nowadays, accelerometers are being used in various civil engineering applications. Their versatility made them desirable in many Structural Health Monitoring (SHM) application. A significant issue with their use is the fact that traditional commercial accelerometers are very expensive. Moreover, the low-cost solutions are not very accurate.&lt;/p&gt;&lt;p&gt;To tackle this drawback and to enable low-cost accelerometers applicable to more SHM applications, a novel methodology for improving the resolution of low-cost MEMS accelerometers is presented in this paper. To this end the noise
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LeMoyne, Robert, Timothy Mastroianni, Michael Cozza, and Cristian Coroian. "iPhone Wireless Accelerometer Application for Acquiring Quantified Gait Attributes." In ASME 2010 5th Frontiers in Biomedical Devices Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/biomed2010-32067.

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The implementation of a wireless accelerometer application for the quantification of gait may enable an autonomous strategy for the quantification of gait. A wireless accelerometer application may potentially enable the remote, autonomous, and quantified evaluation of gait beyond the confines of a clinical facility. The accuracy and reliability for the application of accelerometers for gait evaluation has been established through the selection of specific mounting positions based on the anatomy of the subject. Wireless accelerometer systems have been successfully demonstrated for establishing
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Gupta, Deepak K., and Anoop K. Dhingra. "Input Force Identification in Time Domain Using Optimally Placed Accelerometers." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87979.

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A technique in time domain is presented that aims at identifying dynamic loads acting on a structure from acceleration time response measured experimentally at finite number of locations on the structure. The structure essentially gets transformed into its own load transducer. The approach is based on the standard equilibrium equation in dynamics in time domain. For measurement of the acceleration response, there can be a large number of combinations of locations on the structure where the accelerometers can be mounted and the recovered loads may be quite sensitive to the locations selected fo
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Wang, Keming, Dongzhe Yang, Kourosh Danai, and David G. Lewicki. "Model-Based Selection of Accelerometer Locations for Helicopter Gearbox Monitoring." In ASME 1998 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/imece1998-0231.

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Abstract A novel method is introduced to quantify based on the structure of the gearbox the monitoring effectiveness of accelerometer locations on the housing. In this method, monitoring effectiveness of sets of accelerometer locations is defined in terms of two indices: the coverage index and the overlap index. The coverage index is obtained from an influence matrix defining the level of effect of component faults on accelerometer readings. The overlap index denotes the level of overlap between pairs of accelerometers in coverage of components. The effectiveness of the proposed method is veri
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Reports on the topic "ACCELEROMETRI"

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Warne, Larry Kevin, Carrie Frances Schmidt, Kenneth Allen Peterson, et al. Levitated micro-accelerometer. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/919151.

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Koehler, D. R., S. H. Kravitz, and P. T. Vianco. Ultraminiature resonator accelerometer. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/231652.

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Porterfield, Malcolm Kenneth. Accelerometer Drift Study. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1601376.

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Balls, J. D. Neurological Diagnostic Accelerometer. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/755833.

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Ammerman, D. J., M. M. Madsen, W. L. Uncapher, D. R. Stenberg, and D. R. Bronowski. Accelerometer and strain gage evaluation. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5213009.

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MATERIALS SYSTEMS INC LITTLETON MA. 1-3 Composite Accelerometer Array. Defense Technical Information Center, 1994. http://dx.doi.org/10.21236/ada299622.

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Soh, Daniel, Jongmin Lee, and Peter Schwindt. Modeling of Atom Interferometer Accelerometer. Office of Scientific and Technical Information (OSTI), 2020. http://dx.doi.org/10.2172/1670252.

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Alsaedi, Mohammed. Development of 3D Accelerometer Testing System. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.5262.

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Candy, J. Accelerometer Modeling in the State-Space. Office of Scientific and Technical Information (OSTI), 2021. http://dx.doi.org/10.2172/1777338.

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Siebert, Christopher. Heart Rate and Accelerometry during Singles Footbag Net Play. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.650.

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