Results 21 to 30 of about 253,667 (293)

New Fiber Bragg Grating Three-Dimensional Accelerometer Based on Composite Flexure Hinges

open access: yesSensors, 2021
Multi-dimensional acceleration sensors are used in important applications in the aerospace, weapon equipment, and nuclear fields and have strict requirements in terms of performance, volume, and mass.
Hui Wang   +3 more
doaj   +1 more source

Temperature-Compensated Damage Monitoring by Using Wireless Acceleration-Impedance Sensor Nodes in Steel Girder Connection

open access: yesInternational Journal of Distributed Sensor Networks, 2012
Temperature-compensated damage monitoring in steel girder connections by using wireless acceleration-impedance sensor nodes is experimentally examined. To achieve the objective, the following approaches are implemented.
Dong-Soo Hong   +3 more
doaj   +1 more source

Real-time human ambulation, activity, and physiological monitoring:taxonomy of issues, techniques, applications, challenges and limitations [PDF]

open access: yes, 2013
Automated methods of real-time, unobtrusive, human ambulation, activity, and wellness monitoring and data analysis using various algorithmic techniques have been subjects of intense research. The general aim is to devise effective means of addressing the
Achumba, Ifeyinwa E.   +3 more
core   +2 more sources

Multiscale Acceleration-Dynamic Strain-Impedance Sensor System for Structural Health Monitoring

open access: yesInternational Journal of Distributed Sensor Networks, 2012
A multiscale wireless sensor system is designed for vibration- and impedance-based structural health monitoring. In order to achieve the objective, the following approaches are implemented.
Duc-Duy Ho   +3 more
doaj   +1 more source

A multi-sensor based online tool condition monitoring system for milling process [PDF]

open access: yes, 2018
Tool condition monitoring has been considered as one of the key enabling technologies for manufacturing optimization. Due to the high cost and limited system openness, the relevant developed systems have not been widely adopted by industries, especially ...
Li, Weidong   +4 more
core   +1 more source

Motion Velocity, Acceleration and Energy Expenditure Estimation Using Micro Flow Sensor

open access: yesIEEE Access, 2019
Motion velocity, acceleration, and energy expenditure estimations are important in quantitative assessments for physical recovery and exercise-based interventions for post-stroke patients with partial losses of neurological functions. This paper proposes
Junchang Zhang, Shiqiang Liu, Rong Zhu
doaj   +1 more source

Deep Convolutional Neural Network-Based Hemiplegic Gait Detection Using an Inertial Sensor Located Freely in a Pocket

open access: yesSensors, 2022
In most previous studies, the acceleration sensor is attached to a fixed position for gait analysis. However, if it is aimed at daily use, wearing it in a fixed position may cause discomfort.
Hangsik Shin
doaj   +1 more source

Experiments of posture estimation on vehicles using wearable acceleration sensors

open access: yes, 2017
In this paper, we study methods to estimate drivers' posture in vehicles using acceleration data of wearable sensor and conduct a field test. Recently, sensor technologies have been progressed.
Yamato, Yoji
core   +1 more source

An Absolute Displacement Measurement Method and Its Application in Ship Motion Measurement

open access: yesJournal of Marine Science and Engineering, 2023
Due to the fact that there is no static reference point in ocean space, relative measurement sensors such as laser sensors cannot be applied to the measurement of ship motion.
Chongyang Han, Xiong Hu
doaj   +1 more source

Inclination Measurement of Human Movement Using a 3-D Accelerometer With Autocalibration [PDF]

open access: yes, 2004
In the medical field, accelerometers are often used for measuring inclination of body segments and activity of daily living (ADL) because they are small and require little power.
Luinge, Henk J., Veltink, Peter H.
core   +3 more sources

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