Дисертації з теми "Accelerometrics"
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Gentile, Alessandro. "Algoritmi per l'analisi modale di strutture da rilievi accelerometrici." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Знайти повний текст джерелаEnttsel, Andriy. "Rilevatori di anomalie basati su Autoencoder per segnali accelerometrici." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22275/.
Повний текст джерелаSchifini, Gabriele. "Analisi spettrale di segnali acquisiti con accelerometri MEMS." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13603/.
Повний текст джерелаCapuano, Rocco. "Determinazione di parametri di combustione da analisi accelerometrica del blocco motore." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5242/.
Повний текст джерелаDelise, Riccardo. "Caratterizzazione sismica di tre siti della rete accelerometrica nazionale (ran) mediante elaborazione di terremoti e rumore ambientale." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8249/.
Повний текст джерелаMarzi, Chiara. "Caratterizzazione del cammino in soggetti sani e patologici mediante accelerometria." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5988/.
Повний текст джерелаVesterinen, 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.
Повний текст джерелаFysisk 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 medelåldern 82 år (73-94). För att mäta aktiviteten användes accelerometern ActiGraph GT1M. Resultatet visade ett måttligt, förväntat samband mellan uppmätt fysisk funktion och uppmätt fysisk aktivitet. Resultaten talar för att det inte är möjligt att använda skattningsskalor för att få en rättvisande bild av den habituella fysiska aktiviteten hos äldre personer som nyligen opererats för höftfraktur. Det verkar därför vara bättre att mäta den fysiska aktiviteten än att skatta den.
Schröpfer, Gerold. "Accelerometres multi-axiaux micro-usines sur silicium avec lecture capactive ou optique." Besançon, 1998. http://www.theses.fr/1998BESA2069.
Повний текст джерелаLanzoni, Riccardo. "Sviluppo di strategie di riconoscimento della qualità del combustibile basate su rilievi acustici ed accelerometrici." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amslaurea.unibo.it/2053/.
Повний текст джерелаMontali, Martina. "Caratterizzazione geologica e geofisica di 5 siti della rete accelerometrica nazionale (RAN) in Emilia-Romagna." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8883/.
Повний текст джерелаRohleder, Peter Alexander. "Validation of balance assessment measures of an accelerometric mobile device application versus a balance platform." Thesis, Wichita State University, 2012. http://hdl.handle.net/10057/5382.
Повний текст джерелаThesis (M.Ed.)--Wichita State University, College of Education, Dept. of Human Performance Studies
Streng, Katja [Verfasser], and Helge [Gutachter] Hebestreit. "Erfassung der körperlichen Aktivität mittels Accelerometrie und Pedometrie / Katja Streng ; Gutachter: Helge Hebestreit." Würzburg : Universität Würzburg, 2019. http://d-nb.info/1193051193/34.
Повний текст джерелаJosselin, Vincent. "Architecture mixte pour les accelerometres ultrasensibles dedies aux missions spatiales de physique fondamentale." Paris 11, 1999. http://www.theses.fr/1999PA112271.
Повний текст джерелаBienenfeld, Yves. "Etude des differences de potentiel de contact au cur des accelerometres ultrasensibles a suspension electrostatique." Paris 6, 1994. http://www.theses.fr/1994PA066323.
Повний текст джерелаMarra, 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/.
Повний текст джерелаWILLEMENOT, ERIC. "Pendule de torsion a suspension electrostatique, tres hautes resolutions des accelerometres spatiaux pour la physique fondamentale." Paris 11, 1997. http://www.theses.fr/1997PA112171.
Повний текст джерелаKarlsson, 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.
Повний текст джерелаAim. The purpose of the study was to identify that with accelerometry the physical activity patterns of elderly, at two separate pre-test and at the end of a two-month period with instructor-led training twice per week. A further aim was to study the correlation between survey questions about physical activity and sedentary against measured accelerometer data. Method. A group of 65-91 years (mean 71 years, BMI 25 kg/m2) were studied. Two pre-test (F1 & F2) and an aftertest (E) was performed during the last training week. A total of 97 individuals at F1 & F2 and 78 at E compared to F2 were investigated. Results. In F1 was seen for accelerometer data (at least moderate physical activity) mean values 42.7 min/d (MVPA/d), but only 22,2 min/d in time periods of at least 10 minutes (Freedson bouts /d). In the analysis of separate days came only 15% of participants came up to the recommended 5 days/week with at least 30 minutes of continuous 10-min periods of physical activity (with at least moderate intensity). Vigorous intensity activity (VPA) was very low for this group (0.9 min/d). The average for sedentary time was 10.2 hours (SED/d) and 4.3 hours total time in 20-min periods (Sedentary bouts/d). Between F1 and F2 no significant changes were seen for MVPA/d or Freedson bouts/d. A tiny reduction, which was significant, was seen for sedentary time (20.0 resp. 13.7 min/d SED/d, resp. Sed bouts/d). Change of VPA showed a minimal increase of 0.4 min/d (s.). The correlation between F1 & F2 was 0.86 for MVPA/d, 0.81 for Freedson/d, 0.59 for Vig/d, 0.59 SED/d and 0.74 for Sed bouts/d, all significant. At E emerged, against F2, a small but significant increase for MVPA/d (to 50.6 min/d), but not for Freedson bouts/d (20.9 min/d) or to target at least 5 days/week with 30 min in Freedson bouts/d (12%). Sedentary fell significantly for E to 9.7 h/d (SED/d) and 3.6 h/d (Sed. bouts/d). VPA increased minimally by 0.5 min/d (s.) to median 1.7 min/d. The strongest significant (*) correlations between different questions and the accelerometers was noted for MVPA/d, resp. Freedson bouts/d (at most 0.53-0.60 *), followed by sedentary time 0.40 * resp. 0.39 * (in SED/d resp. Sed bouts/d). VPA showed no or very low correlation (highest r = 0.24 *) to the questions. Conclusion. The values of vigorous activities in accelerometer data consistently showed surprisingly low levels. One reason may be that the computer analysis programs for the activity counters are not sufficiently sensitive as they currently are set for senior´s highest intensity levels. Best significant correlation against the accelerometers was seen for questions about at least moderately intense physical activity. Some significant correlation was also seen for sedentary time, while accelerometer data was generally not consistent with self-reported data for high-intensity physical activity for older people. So these senior data show somewhat different results as compared to previous studies in younger adults who usually present a higher validity of the questions with high-intensity compared with moderate-intensity physical activity.
Vorwerg, Yvonne. "Körperliche Aktivität im Kindergartenalter: Direkte Accelerometrie im Wochenverlauf und Assoziation zum Gewichtsstatus, dem Medienkonsum, soziodemographischen und sozioökonomischen Faktoren." Doctoral thesis, Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-143105.
Повний текст джерелаOlsson, 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.
Повний текст джерелаSyfte och frågeställningar Att validera STOPP-8-enkäten (S8Q), som innehåller frågor ur SIH-enkäten, mot kriteriemetoden accelerometri för att pröva dess förmåga att skatta 8-åriga svenska barns fysiska aktivitet (FA). Kan S8Q skatta barns grad av FA? Kan S8Q skilja de aktiva barnen från de stillasittande? Om svaren på dessa frågor blir ja, hur väl gör den det? Metod Data samlades in hösten och vintern skolåret 2008 - 2009 via projektet STOPP-8. Av 676 barn vid 12 skolor i Stockholmsområdet, lämnade 155 (pojkar n = 72, flickor n = 83) ifyllda enkäter samt bar en accelerometer (Actiwatch 4) under 7 dagar i följd. Accelerometern genererade data för medel och median FA, tid stillasittande, i måttlig till intensiv FA och i intensiv FA. Kriterium för att accelerometerdata skulle användas i analysen var åtminstone 4 giltiga dagar där mätaren burits minst 10 timmar per dag mellan klockan 08:00 och 21:00. Ett t-test användes för att jämföra data från pojkar respektive flickor. Alla frågor från enkäten och specialkonstruerade derivat baserade på dem jämfördes med accelerometri med hjälp av Spearmans korrelationskoefficient, ANOVA och Receiver Operating Characteristic analys (en metod för att illustrera sensitivitet och specificitet samt beräkna effektivast gränsvärden). Resultat Resultatet från S8Q visade sig vara beroende av kön i sådan omfattning att pojk- och flickdata behövde analyseras separat. Hos flickor var starkaste korrelaten frågan ”Hur tar du dig till dina kompisar?” som gav r = 0,37 och p = 0,05 när ställd mot andel FA i intensitet mellan 1,5 till 3 METs. Bland pojkarna visade frågan ”Hur tar du dig till dina fritidsaktiviteter?” starkast samband om r = - 0,33 och p = 0,05 när ställd mot andel mättid stillasittande. I de fall där S8Q visade starkast klassificeringskapacitet kunde den korrekt identifiera 75 % av de sant fysiskt aktiva barnen på bekostnad av att 60 % av dem som i själva verket var stillasittande felklassificerades, vilket får anses vara låg specificitet. Slutsats Enkätens förmåga att skatta 8-åriga barns FA är i linje med flera andra etablerade självskattningsmetoder men är inget pålitligt verktyg för detta ändamål. Möjligen kan den användas för att jämföra större populationer såsom kommuner, städer och länder. Dock kan andelen felklassificering på individnivå ändå bli stor. S8Q visade sig ha svagt samband med objektivt uppmätt FA.
STOPP-8
Soares, Carolina de Marchi [UNESP]. "Análise biomecânica do andamento de potros da raça mangalarga marchador aos 30 e 180 dias de idade." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/148720.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
O método acelerométrico, para a análise biomecânica quando usado a campo tem mostrado vantagens com relação à videogrametria, permitindo obter dados cinemáticos e cinéticos e possuindo um processamento de dados mais rápido. Objetivou-se avaliar o efeito do crescimento sobre as características biomecânicas do passo e da marcha de potros da raça Mangalarga Marchador aos 30 e 180 dias de idade, e estabelecer parâmetros de referência para a raça. Os potros foram equipados com o sistema de análise de andamento Equimetrix® e acompanharam a trajetória da mãe, puxada no cabresto pelo treinador, à marcha e ao passo, com velocidade acompanhada por GPS. As variáveis cinemáticas (comprimento e frequência das passadas, regularidade, simetria e deslocamento dorsoventral do animal) e cinética (propulsão, potências dorsoventral e mediolateral e potência total) foram calculadas e obtidas com o equipamento de análise de andamento Equimetrix®. Durante o passo, as variáveis cinemáticas e cinéticas não apresentaram diferenças entre as duas idades. No andamento marcha, somente as variáveis frequência da passada (p=0,0092), simetria (p=0,0282) e potencia mediolateral (p=<0,0001) demonstraram alterações significativa entre as idades dos potros. Apenas a variável cinética potencia mediolateral (p=<0,0001) diferiu entre as idades. Conclui-se que a maior parte das características biomecânicas (cinemáticas e cinéticas) avaliadas, não se alterou nos potros da raça Mangalarga Marchador, à marcha e ao passo, nos primeiros seis meses de idade. Para determinar se este padrão será mantido, sugere-se a continuidade da avaliação seriada da marcha destes potros até atingirem a idade adulta.
The acelerometric method when used to analyze biomechanical parameters in the field has shown advantages in relation to the videogrammetry, enabling to obtain kinematic and kinetic data, and allowing faster gait data processing. The goals of this study was to evaluate the biomechanical characteristics of nine foals, Mangalarga Marchador breed, at 30 and at 180 days of age, to establish parameters for the marcha gait in this breed. Foals were equipped with the gait analysis system Equimetrix®, and were allowed to follow the trajectory of their dams, at speed controlled by GPS. Kinematic (length and frequency of steps, and dorsoventral displacement of the animal) and kinetics (propulsion force) variables were calculated and obtained with the Equimetrix®. This technique is helpful to record the 3D acceleration data (longitudinal, dorsoventral and mediolateral) during the exercise. During step, the kinematic and kinetic characteristics did not change in the foals. During march gait, mean values for step frequency (SF) and symmetry were statistically different between the ages. It was concluded that most of the biomechanical characteristics (kinematic and kinetic) evaluated, did not change in the Mangalarga Marchador foals, gait and step in the first six months of age. To determine if this pattern will be maintained, we suggest continuity of the serial evaluation of gait of these foals until they reach adulthood.
FAPESP: 2014/18323-8
Soares, Carolina de Marchi. "Análise biomecânica do andamento de potros da raça mangalarga marchador aos 30 e 180 dias de idade /." Araçatuba, 2017. http://hdl.handle.net/11449/148720.
Повний текст джерелаCoorientador:Lina Maria Wehrle Gomide
Banca: Katia de Oliveira
Banca: José Correa de Lacerda Neto
Resumo: O método acelerométrico, para a análise biomecânica quando usado a campo tem mostrado vantagens com relação à videogrametria, permitindo obter dados cinemáticos e cinéticos e possuindo um processamento de dados mais rápido. Objetivou-se avaliar o efeito do crescimento sobre as características biomecânicas do passo e da marcha de potros da raça Mangalarga Marchador aos 30 e 180 dias de idade, e estabelecer parâmetros de referência para a raça. Os potros foram equipados com o sistema de análise de andamento Equimetrix® e acompanharam a trajetória da mãe, puxada no cabresto pelo treinador, à marcha e ao passo, com velocidade acompanhada por GPS. As variáveis cinemáticas (comprimento e frequência das passadas, regularidade, simetria e deslocamento dorsoventral do animal) e cinética (propulsão, potências dorsoventral e mediolateral e potência total) foram calculadas e obtidas com o equipamento de análise de andamento Equimetrix®. Durante o passo, as variáveis cinemáticas e cinéticas não apresentaram diferenças entre as duas idades. No andamento marcha, somente as variáveis frequência da passada (p=0,0092), simetria (p=0,0282) e potencia mediolateral (p=<0,0001) demonstraram alterações significativa entre as idades dos potros. Apenas a variável cinética potencia mediolateral (p=<0,0001) diferiu entre as idades. Conclui-se que a maior parte das características biomecânicas (cinemáticas e cinéticas) avaliadas, não se alterou nos potros da raça Mangalarga Marchador, à marcha e ao ... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract:The acelerometric method when used to analyze biomechanical parameters in the field has shown advantages in relation to the videogrammetry, enabling to obtain kinematic and kinetic data, and allowing faster gait data processing. The goals of this study was to evaluate the biomechanical characteristics of nine foals, Mangalarga Marchador breed, at 30 and at 180 days of age, to establish parameters for the marcha gait in this breed. Foals were equipped with the gait analysis system Equimetrix®, and were allowed to follow the trajectory of their dams, at speed controlled by GPS. Kinematic (length and frequency of steps, and dorsoventral displacement of the animal) and kinetics (propulsion force) variables were calculated and obtained with the Equimetrix®. This technique is helpful to record the 3D acceleration data (longitudinal, dorsoventral and mediolateral) during the exercise. During step, the kinematic and kinetic characteristics did not change in the foals. During march gait, mean values for step frequency (SF) and symmetry were statistically different between the ages. It was concluded that most of the biomechanical characteristics (kinematic and kinetic) evaluated, did not change in the Mangalarga Marchador foals, gait and step in the first six months of age. To determine if this pattern will be maintained, we suggest continuity of the serial evaluation of gait of these foals until they reach adulthood
Mestre
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.
Повний текст джерелаMuraccini, 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/.
Повний текст джерелаAbbondanza, 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/.
Повний текст джерелаPinelli, Marco. "Studio del comportamento dinamico di un carrello elevatore mediante prove sperimentali e modellazione numerica multibody." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Знайти повний текст джерелаCaruso, Silvia. "Valutazione sperimentale della stabilita motoria tramite misure inerziali in soggetti con esito di ictus." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/6337/.
Повний текст джерелаVicini, Matteo. "Utilizzo dei sensori inerziali per l'analisi degli infortuni alla caviglia." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/21379/.
Повний текст джерелаCucchi, Stefano. "Analisi di sensibilità del comportamento vibratorio di un caricatore automatico di barre." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.
Знайти повний текст джерелаDavario, Alessandro. "Progetto e implementazione di un algoritmo per la navigazione a piedi su un dispositivo Windows Mobile." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8452/.
Повний текст джерелаPasotti, Andrea. "Sviluppo di un'interfaccia grafica per l'analisi della postura tramite sensori inerziali: un esempio di applicazione nell'età evolutiva." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Знайти повний текст джерелаDella, Corte Cesare. "Tecniche GPS/INS per l'anilisi dinamica di un ciclomotore." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Знайти повний текст джерелаFava, Marica. "LIDAR Aviotrasportati Mediante RPAS." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Знайти повний текст джерелаLepisk, 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.
Повний текст джерелаSyfte
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.
Frågeställningar
1. Hur många barn med ADHD har motoriska nedsättningar utifrån Movement ABC?
2. Hur många barn med ADHD når upp till de Nordiska rekommendationerna för fysiskaktivitet?
3. Hur ser sambandet mellan motorisk färdighet och fysisk aktivitetsnivå ut hos barn medADHD?
Metod
I studien ingick fem pojkar i åldern 9-12 år med diagnosen ADHD. I studien mättes denfysiska aktivitetsgraden med accelerometrar av modellen ActiGraph GT3X somtestpersonerna bar under sju efterföljande dagar. Den motoriska förmågan hos testpersonernamättes med hjälp av de kvantitativa motoriktesterna i Movement ABC. Testerna genomfördesi en lokal på testpersonernas skolor och accelerometrarna samt ett medföljandeinformationsbrev delades ut vid samma tillfälle.
Resultat
Av resultaten av motoriktesterna framgår att endast en testperson hade ett resultat som visarpå tillfredsställande motorisk förmåga, tre testpersoner låg i riskzonen för motoriskanedsättningar och en testperson hade uppenbara brister i sin motoriska färdighet. Fyra av de fem testpersonerna uppnådde de Nordiska rekommendationerna om minst 60 minuters fysiskaaktivitet per dag, inkluderad både måttlig till hård aktivitet. Inga signifikanta samband kundeses mellan fysisk aktivitetsnivå och motorisk färdighet.
Slutsats
Studien kunde inte finna något samband mellan motorisk färdighet och mängd fysisk aktivitetav olika intensiteter hos barn med diagnosen ADHD. På grund av testgruppens ringa storlekbör man ej betrakta studiens resultat som generaliserbara, studien kan dock ses som enpilotstudie.
Aim
The purpose of this study was to investigate whether there is a correlation between motorskills and amount of physical activity of various intensities in children diagnosed with ADHD.
Questions
1. How many children with ADHD have motor impairments based on Movement ABC?
2. How many children with ADHD reaches the Nordic recommendations for physicalactivity?
3. What is the relationship between motor skills and level of physical activity in childrenwith ADHD?
Method
The study included five boys aged 9-12 years diagnosed with ADHD. The study is study inwhich the physical activity level was measured using ActiGraph GT3X accelerometers whichtest subjects wore for seven subsequent days. The motor skills of the test subjects were measured using the quantitative motor tests in Movement ABC. The tests were carried out ina room at the test subjects schools and accelerometers, and accompanying instruction were distributed at the same time.
Results
The results of motor tests showed that only one person had test results showing satisfactorymotor skills, three test persons were at risk of motor impairments and a test person hadobvious defects in their motor skills. Four of the five test persons achieved the nordicrecommendations for at least 60 minutes of physical activity per day, including both moderateto heavy activity. No significant correlation was seen between physical activity level andmotor skills.
Conclusions
The study could not find any correlation between motor skills and amount of physical activityof various intensities in children diagnosed with ADHD. Due to the small test group theresults of the current study should be taken with precaution, but can be regarded as a pilotstudy.
Oksuz, Hilal. "Comparaison des estimations d'aléa sismique probabiliste avec les observations (accélérations et intensités)." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENU010/document.
Повний текст джерелаPSHA calculations rely on several models and assumptions in its components, such as the characterization of seismic sources, the establishment of recurrence laws in magnitude, and the choice of ground-motion prediction equations. The final output of a PSHA study is the hazard curve that gives annual rates of exceedances of different acceleration levels. All steps of the PSHA calculation bear uncertainties. Understanding the impact of these uncertainties on the final output of the PSHA is not straightforward. Until recently, little attention has been paid to testing the final output of PSHA models against observations. Acceleration datasets and intensity databases, partially independent from the PSHA calculations, can be used, as proposed in a handful of recent papers (Stirling & Gerstenberger 2006, Stirling & Gestenberger 2010, Albarello & D'Amico 2008). This study is aimed at testing PSH models in France (MEDD2002, AFPS2006 and SIGMA2012) and also in Turkey (SHARE), developing a quantitative method for comparing predicted and observed number of sites with exceedance over the lifetime of the network. This method builds on the studies of Stirling & Gerstenberger (2010) and Albarello & D'Amico (2008). All sites are sampled, observation time windows are stacked, and the PSHA is evaluated over a large geographical area at once. The objective is to understand the possibilities and limits of this approach, as observation time windows are short with respect to the return periods of interest in earthquake engineering. Results show that the AFPS2006 PSH model is consistent with the observations of the RAP accelerometric network over the acceleration range 40-100 cm/s2 (or 50-200 years of return periods). The MEDD2002 PSH model over-predicts the observed hazard for the return period of 100 years. For longer return periods (475 and 975 years), the test is not conclusive due to the lack of observations for large accelerations. No conclusion can be drawn for acceleration levels of interest in earthquake engineering. The proposed method is applied to Turkey. The PSH model can be tested using longer observation periods and higher accelerations levels than in France. The PSH model is tested for different selections of accelerometric sites, minimum inter-site distance and total observation period. For accelerations between 0.1 and 0.4g, the model is consistent with the observations for all tests. At lower acceleration levels, the agreement between the model and the observations varies depending on the decisions taken. Finally, the PSHA models in France are evaluated using the macroseismic intensity database (SISFrance). Completeness time windows are estimated from statistics on the intensity data (I≥5, MSK). Twenty-five sites are selected, with completeness time periods for I≥5 extending between 66 and 207 years, located in the highest active zones in France. At 100 years return period, MEDD2002 models predicts more sites with exceedances than the observed number of sites. At return periods higher than or equal to 475 years, both models AFPS2006 cannot be discriminated as both are consistent with observations. Considering the uncertainties on the selection of sites, on the determination of completeness time periods, and on the equation selected for converting intensities into accelerations, the results based on macroseismic intensities should be considered very carefully
Neri, Caterina. "Prove su tavola vibrante di un silo metallico a fondo piano: analisi della risposta sismica mediante misurazioni ottiche." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/18690/.
Повний текст джерелаCampelli, Davide. "Determinazione dell'assetto di un corpo rigido mediante il filtro complementare: analisi, implementazione e verifica sperimentale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22838/.
Повний текст джерелаGummesson, Linus, and Anton Ryman. "Fysisk aktivitet bland äldre personer som inte tränar : En jämförelse av subjektiv och objektiv mätmetod." Thesis, Umeå universitet, Avdelningen för fysioterapi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-175065.
Повний текст джерелаThe Umeå High-Intensity Training Study
Kovaleski, Joao Luiz. "Etude, modélisation et réalisation de capteurs d'accélération et force à base de polymère piézoélectrique PVF2." Grenoble 1, 1992. http://www.theses.fr/1992GRE10122.
Повний текст джерелаRuspi, Maria Luisa. "Studio della cinematica del nuoto a stile libero attraverso sensori inerziali." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/9952/.
Повний текст джерелаLaurendeau, Aurore. "Définition des mouvements sismiques "au rocher." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENU036/document.
Повний текст джерелаThe aim of this thesis is to improve the definition of vibrations ("seismic motion") on "hard" sites (hard soils or rocks) related to scenarios (earthquakes of magnitude between 5 and 6.5, distances less than 50 km) representative of the French metropolitan context.In order to constrain the seismic motions on "hard" sites, an accelerometric database was built, from the K-NET and KiK-net Japanese recordings which have the benefit of being public, numerous and high quality. A ground motion prediction equation for the acceleration response spectra was developed from this new database. The comparison between theoretical models and observations shows the dependence of vibration on rock sites in both the velocity characteristics of the site (classical parameter describing the S-wave velocity in the last 30 meters) and the high frequency attenuation mechanisms (a phenomenon little studied up to now). These results confirm a correlation between these two mechanisms (the high frequency seismic motion is more attenuated in the case of softer rock sites) and we propose a ground motion prediction equation taking into account all the properties of the site (attenuation and velocity).New methods of nonlinear dynamic analysis (both geotechnical and structural) are not satisfied with the response spectra but require time histories. To generate such time histories, the non-stationary stochastic method previously developed by Pousse et al. (2006) has been revisited. This semi-empirical method requires first to define the distributions of key indicators of seismic motion. We have developed empirical models for predicting the duration, the Arias intensity and the central frequency, parameter describing the frequency content variation over time. New developments of the stochastic method allow to reproduce time histories over a wide frequency band (0.1-50 Hz), to reproduce the non-stationarity in time and frequency and to reproduce the natural variability of seismic vibrations. This method has the advantage of being simple, fast and taking into account basic concepts of seismology (Brune's source, a realistic envelope function, non-stationarity and variability of seismic motion). In earthquake engineering studies, a small number of time histories is selected, and we analyze in the last part the impact of this selection on the conservation of the ground motion natural variability
Vorwerg, Yvonne [Verfasser], Wieland [Akademischer Betreuer] Kiess, Susann [Akademischer Betreuer] Blüher, Matthias [Gutachter] Blüher, and Thomas M. [Gutachter] Kapellen. "Körperliche Aktivität im Kindergartenalter: Direkte Accelerometrie im Wochenverlauf und Assoziation zum Gewichtsstatus, dem Medienkonsum, soziodemographischen und sozioökonomischen Faktoren : Physical Activity in 3–6 Year Old Children Measured by SenseWear ProH: Direct Accelerometry in the Course of the Week and Relation to Weight Status, Media Consumption, and Socioeconomic Factors / Yvonne Vorwerg ; Gutachter: Matthias Blüher, Thomas. M. Kapellen ; Wieland Kiess, Susann Blüher." Leipzig : Universitätsbibliothek Leipzig, 2014. http://d-nb.info/1193748127/34.
Повний текст джерелаDrouet, Stéphane. "Analyse des données accélérimétriques pour la caractérisation de l'aléa sismique en France métropolitaine." Toulouse 3, 2006. http://www.theses.fr/2006TOU30062.
Повний текст джерелаThe aim of this study is to analyse the vertical structure of the low troposphere during the ESCOMPTE campaign in relation with transport and diffusion of pollutants. This analysis shows the difficulty to define a boundary layer. It allows us to highlight a complexe superposition of several internal boundary layers, particularly near the coast. The study of the layer where pollution may be accumulated or diluted pointed out the fact that pollution is trapped near the surface, close to the coastline under sea-breeze conditions whereas it is advected over the mountains where the boundary layers are deeper. During sea-breeze conditions, the ozone concentration is paradoxically weak near the sources at the coastline (titration). Over the mountains, the strong developments of the boundary layers result in a mixing between the highly polluted low troposphere and the surface which enhances the ozone concentration
Streng, Katja. "Erfassung der körperlichen Aktivität mittels Accelerometrie und Pedometrie." Doctoral thesis, 2019. https://nbn-resolving.org/urn:nbn:de:bvb:20-opus-185428.
Повний текст джерелаWearable devices like accelerometers and pedometers provide an objective way to assess physical activity. Accelerometers provide detailed information on physical activity like duration, frequency and intensity, whereas pedometers measure daily step-count. The objective of this study was to analyze the comparability of one pedometer (Omron HJ-322) and two accelerometers (ActiGraph GT1M and its successor ActiGraph GT3X+), regarding the description of physical activity under free-living-conditions. 40 healthy participants wore these devices simultaneously for 7 days. Also activity-data was available from 15 patients with cystic fibrosis, who took part in the international multicenter study ACTIVATE-CF, a randomized controlled study that examines the effects of a partially supervised physical trainings on the lung functions of the patients. While there is a good comparability between both accelerometer-models, we saw a large difference between accelerometer- and pedometer-counted steps. Good correlations were obtained between the number of pedometer-steps and different accelerometer-measures
Huang, Yu-ming, and 黃鈺茗. "A Pilot Study of the Effects of Mirror Therapy Augmented by Accelerometric Feedback in Stroke Rehabilitation." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/39ewdz.
Повний текст джерелаEllrichmann, Gisa [Verfasser]. "Vorkommen und Wertigkeit von Oberfrequenzen in der 24-Stunden-Elektromyographie und Accelerometrie bei Parkinson und essentiellem Tremor / vorgelegt von Gisa Ellrichmann." 2008. http://d-nb.info/988052652/34.
Повний текст джерелаVorwerg, Yvonne. "Körperliche Aktivität im Kindergartenalter: Direkte Accelerometrie im Wochenverlauf und Assoziation zum Gewichtsstatus, dem Medienkonsum, soziodemographischen und sozioökonomischen Faktoren: Physical Activity in 3–6 Year Old Children Measured by SenseWear ProH: Direct Accelerometry in the Course of the Week and Relation to Weight Status, Media Consumption, and Socioeconomic Factors." Doctoral thesis, 2013. https://ul.qucosa.de/id/qucosa%3A12455.
Повний текст джерела