Results 11 to 20 of about 229,107 (335)

Enhancing the Shock Response Performance of Micromachined Silicon Resonant Accelerometers by Electrostatic Active Damping Control

open access: yesMicromachines, 2021
This paper presents a micromachined silicon resonant accelerometer based on electrostatic active damping control, which can improve the shock response performance of the accelerometer.
Libin Huang   +5 more
doaj   +1 more source

Validation of the GENEA Accelerometer [PDF]

open access: yesMedicine & Science in Sports & Exercise, 2011
The study aims were: 1) to assess the technical reliability and validity of the GENEA using a mechanical shaker; 2) to perform a GENEA value calibration to develop thresholds for sedentary and light-, moderate-, and vigorous-intensity physical activity; and 3) to compare the intensity classification of the GENEA with two widely used accelerometers.A ...
Roger G. Eston   +5 more
openaire   +4 more sources

Fabrication of a Miniaturized ZnO Nanowire Accelerometer and Its Performance Tests

open access: yesSensors, 2016
This paper reports a miniaturized piezoelectric accelerometer suitable for a small haptic actuator array. The accelerometer is made with zinc oxide (ZnO) nanowire (NW) grown on a copper wafer by a hydrothermal process.
Hyun Chan Kim, Sangho Song, Jaehwan Kim
doaj   +1 more source

Some Issues Raised By Alaska’s Recording Act [PDF]

open access: yes, 2010
A novel method to find the orientation and position of a triaxial accelerometer mounted on a six degrees-of-freedom industrial robot is proposed and evaluated on experimental data.
Axelsson, Patrik, Norrlöf, Mikael
core   +2 more sources

A Model of Gravity Vector Measurement Noise for Estimating Accelerometer Bias in Gravity Disturbance Compensation

open access: yesSensors, 2018
Compensation of gravity disturbance can improve the precision of inertial navigation, but the effect of compensation will decrease due to the accelerometer bias, and estimation of the accelerometer bias is a crucial issue in gravity disturbance ...
Junbo Tie   +5 more
doaj   +1 more source

A Novel Calibration Method for Gyro-Accelerometer Asynchronous Time in Foot-Mounted Pedestrian Navigation System

open access: yesSensors, 2021
Pedestrian Navigation System (PNS) is one of the research focuses of indoor positioning in GNSS-denied environments based on the MEMS Inertial Measurement Unit (MIMU). However, in the foot-mounted pedestrian navigation system with MIMU or mobile phone as
Tianyu Chen   +4 more
doaj   +1 more source

Development of Dual-Axis MEMS Accelerometers for Machine Tools Vibration Monitoring

open access: yesApplied Sciences, 2016
With the development of intelligent machine tools, monitoring the vibration by the accelerometer is an important issue. Accelerometers used for measuring vibration signals during milling processes require the characteristics of high sensitivity, high ...
Chih-Yung Huang, Jian-Hao Chen
doaj   +1 more source

Elderly care monitoring system with IoT application [PDF]

open access: yes, 2020
Falls among elderly can pose serious consequences such as injury or even fatal ones. Therefore, it is essential that fall are detected early and away to that is by using IoT platform.
Abd Wahab, Mohd Helmy   +3 more
core   +1 more source

Robust Optimization of a MEMS Accelerometer Considering Temperature Variations

open access: yesSensors, 2015
A robust optimization approach for a MEMS accelerometer to minimize the effects of temperature variations is presented. The mathematical model of the accelerometer is built.
Guangjun Liu   +3 more
doaj   +1 more source

A two degrees of freedom comb capacitive-type accelerometer with low cross-axis sensitivity

open access: yesJournal of Mechanical Engineering and Sciences, 2019
In this paper, we report on a SOI-based comb capacitive-type accelerometer that senses acceleration in two lateral directions. The structure of the accelerometer was designed using a proof mass connected by four folded-beam springs, which are compliant ...
M. N. Nguyen   +3 more
doaj   +1 more source

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