Showing 161 - 180 results of 200 for search '"accelerometer"', query time: 0.04s Refine Results
  1. 161

    Working Together and Being Physically Active Are Not Enough to Advise Uniformly and Adequately Low Back Pain Patients: A Cross-Sectional Study by C. Praz, J. Ducki, M. L. Connaissa, P. Terrier, P. Vuistiner, B. Léger, F. Luthi

    Published 2018-01-01
    “…Physical activity was assessed with accelerometers and questionnaires. Some interprofessional differences remained present within an interdisciplinary team. …”
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    Article
  2. 162

    Reconstruction of Riser Profiles by an Underwater Robot Using Inertial Navigation by Luciano Luporini Menegaldo, Stefano Panzieri, Cassiano Neves

    Published 2012-01-01
    “…A Kalman filter fuses the simulated accelerometers data with simulated external measurements. …”
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    Article
  3. 163

    Shaking table test study on the influence of environment vibration on the ancient city wall of Xi’an by Ruijuan Yang, Junlian Li, Masyitah Md Nujid

    Published 2025-07-01
    “…Crack width, vibration acceleration, and displacement were measured using fiber Bragg grating sensors, accelerometers, dynamic displacement meters, and high-speed cameras. …”
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    Article
  4. 164

    Structural Health Monitoring of Precast Concrete Box Girders Using Selected Vibration-Based Damage Detection Methods by Zhengjie Zhou, Leon D. Wegner, Bruce F. Sparling

    Published 2010-01-01
    “…All methods were capable of detecting and localizing damage to a region within approximately 1.6 times the longitudinal spacing between as few as six uniformly distributed accelerometers. Strain gauges configured to measure curvature were also effective, but tended to be susceptible to large errors in near support damage cases. …”
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    Article
  5. 165

    A New Sensors-Based Covert Channel on Android by Ahmed Al-Haiqi, Mahamod Ismail, Rosdiadee Nordin

    Published 2014-01-01
    “…This paper is an attempt to reveal a new covert channel, not only being specific to smartphones, but also exploiting an unusual resource as a vehicle to carry covert information: sensors data. Accelerometers generate signals that reflect user motions, and malware applications can apparently only read their data. …”
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  6. 166

    Vibration Characteristics of Underground Structure and Surrounding Soil Underneath High Speed Railway Based on Field Vibration Tests by Biao Zhou, Fengshou Zhang, Xiongyao Xie

    Published 2018-01-01
    “…A series of field vibration tests were carried out at an underground metro station underneath the high speed railway by installing accelerometers both on the side wall of the metro station and in the surrounding soil. …”
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    Article
  7. 167

    Key accelerometry measures for understanding walking sway during dual-task exercises by Abdulaziz A. Alkathiry

    Published 2025-02-01
    “…Methods: Twenty-six healthy adults participated in this study, undergoing various cognitive dual-task conditions while walking. Accelerometers were attached to the lower back to record center-of-mass (COM) acceleration in anterior-posterior (AP) and mediolateral (ML) directions. …”
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    Article
  8. 168

    Development of a Dynamic Virtual Reality Model of the Inner Ear Sensory System as a Learning and Demonstrating Tool by P. Selva, J. Morlier, Y. Gourinat

    Published 2009-01-01
    “…Each inner ear includes five biological sensors—three angular and two linear accelerometers—which provide the body with the ability to sense angular and linear motion of the head with respect to inertial space. …”
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    Article
  9. 169

    Tyre Volume and Pressure Effects on Impact Attenuation during Mountain Bike Riding by Paul W. Macdermid, Matthew C. Miller, Fiona M. Macdermid, Philip W. Fink

    Published 2015-01-01
    “…Performance was determined by time to negotiate the technical section while triaxial accelerometers recorded accelerations (128 Hz) to quantify impact exposure and the subsequent effects on soft tissue response. …”
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    Article
  10. 170

    Novel Visualization of Building Earthquake Response Recorded by a Dense Network of Sensors by Lichiel Cruz, Maria I. Todorovska, Mihailo D. Trifunac, Alimu Aihemaiti, Guoliang Lin, Jianwen Cui

    Published 2025-01-01
    “…It is demonstrated on novel data that have been recorded recently in a 50-story skyscraper, uniquely instrumented with multiple triaxial accelerometers per floor, approximately at every five floors above ground and at two basement levels, and with rotational seismometers and two borehole arrays measuring the motion of the soil very near the building foundation. …”
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    Article
  11. 171

    Damping Effects Induced by a Mass Moving along a Pendulum by E. Gandino, S. Marchesiello, A. Bellino, A. Fasana, L. Garibaldi

    Published 2014-01-01
    “…Signals are acquired from a rotary sensor, but some remarks are also proposed as regards signals measured by piezoelectric or capacitive accelerometers. Time-varying inertia due to the relative motion of the mass is associated with the Coriolis-type effects appearing in the system, which can reduce and also amplify the oscillations. …”
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  12. 172

    An Experimental Study and Mathematical Modeling of Vibration Transfer in Pistachio Trees Using an Inertia-Type Trunk Shaker and Field-Adapted Wireless Sensors by Ruijun Ma, Taymaz Homayouni, Arash Toudeshki, Reza Ehsani, Xiaohua Zhang

    Published 2022-01-01
    “…The vibration acceleration of the real pistachio tree was measured using a wireless network of 3-axis accelerometers installed on the shaker head and different parts of the trees during the shaking harvest. …”
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    Article
  13. 173

    Nonlinear Seismic Performance Evaluation of Flexural Slotted Connection Using Endurance Time Method by Seyed Mohamad Seyed Kolbadi, Hosein Piri, Ali Keyhani, S.Mahdi Seyed-Kolbadi, Masoud Mirtaheri

    Published 2020-01-01
    “…Among these methods, the third one is more accurate; however, it requires more time to align the accelerometers due to a large number of analyses. In the endurance time (ET) method, incremental acceleration functions gradually and uniformly increases over time while their linear and nonlinear response spectra are proportional to the mean of the real seismic spectrum. …”
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    Article
  14. 174

    Development of an information measuring and control system for a quadrocopter by V. V. Sleptsov, V. L. Afonin, A. E. Ablaeva, Ba Phuong Dinh

    Published 2021-12-01
    “…A special feature of this work is to take into account the specific characteristics of the elements: adjustable electric drives (both direct and alternating current), parameter sensors (barometers, accelerometers, rangefinders, etc.). The paper studies an illustrative algorithm for the operation of the informationmeasuring and control system of the quadcopter. …”
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  15. 175

    A comparative study of machine learning algorithms for fall detection in technology-based healthcare system: Analyzing SVM, KNN, decision tree, random forest, LSTM, and CNN by Afuan Lasmedi, Isnanto R. Rizal

    Published 2025-01-01
    “…This study aims to compare the performance of six classification algorithms: Support Vector Machine (SVM), K-Nearest Neighbors (KNN), Decision Tree, Random Forest, Long Short-Term Memory (LSTM), and Convolutional Neural Networks (CNN) in detecting fall incidents using wearable sensor data such as accelerometers and gyroscopes. The research utilizes a dataset consisting of 1,428 training samples and 573 testing samples, evaluated using a 10-fold cross-validation technique. …”
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  16. 176

    The impact of Daylight Saving Time on dog activity. by Lavania Nagendran, Ming Fei Li, David R Samson, Lauren Schroeder

    Published 2025-01-01
    “…The objective of this study was to assess how DST influenced the morning activity pattern of dogs (Canis familiaris). We used accelerometers to record activity in 25 sled dogs and 29 caregiver-companion dog dyads located in or near Ontario, Canada during the Fall Back time shift. …”
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  17. 177

    Isotemporal substitution of sedentary time with different physical activity intensities and sleep in obesity parameters across eight latin American countries by Eduardo Rossato de Victo, Diego Sales, Diego G. D. Christofaro, Mauro Fisberg, Irina Kovalskys, Pablo del Val Martín, Gerson Ferrari

    Published 2025-02-01
    “…Physical activity, ST and sleep were objectively measured using accelerometers. The parameters of obesity were defined using body mass index (BMI) and waist circumference (WC). …”
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  18. 178

    Detection of seismic anisotropy and azimuthally varying resonances from seismic data recorded at the Noto Peninsula using seismic interferometry and empirical mode decomposition by Andrés Pech-Pérez

    Published 2025-12-01
    “…The ISKH06 and ISKH04 stations have boreholes equipped with triaxial accelerometers at depths of 200 m and 100 m, respectively, as well as at the surface. …”
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  19. 179

    Smartwatches and measurement of physical activity, sedentary behavior, and sleep: a scoping review by José Francisco da Silva, Antonio Henrique Germano-Soares, Luis Carlos Barbosa Silva, Valter Cordeiro Barbosa Filho, Tuillamys Virgínio de Oliveira, Thiago Coelho de Aguiar Silva, Rafael Miranda Tassitano

    Published 2025-01-01
    “… Introduction: The use of accelerometers to measure physical activity (PA), sedentary behavior (SB), and sleep has significantly impacted public health, though limitations such as storage capacity and cost persist. …”
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    Article
  20. 180

    Cardiovascular Responses Associated with Daily Walking in Subacute Stroke by Sanjay K. Prajapati, Avril Mansfield, William H. Gage, Dina Brooks, William E. McIlroy

    Published 2013-01-01
    “…Participants wore heart rate monitors and accelerometers during a typical rehabilitation day. Walking-related changes in heart rate and walking bout duration were determined. …”
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    Article