Results 11 to 20 of about 61,548 (316)

The Characteristics and Locking Process of Nonlinear MEMS Gyroscopes

open access: yesMicromachines, 2020
With the miniaturization of micro-electro-mechanical system (MEMS) gyroscopes, it is necessary to study their nonlinearity. The phase-frequency characteristics, which affect the start-up time, are crucial for guaranteeing the gyroscopes’ ...
Yan Su   +5 more
doaj   +2 more sources

Deep CNN-LSTM With Self-Attention Model for Human Activity Recognition Using Wearable Sensor

open access: yesIEEE Journal of Translational Engineering in Health and Medicine, 2022
Human Activity Recognition (HAR) systems are devised for continuously observing human behavior - primarily in the fields of environmental compatibility, sports injury detection, senior care, rehabilitation, entertainment, and the surveillance in ...
Mst. Alema Khatun   +9 more
doaj   +1 more source

Non-Hermitian ring laser gyroscopes with enhanced Sagnac sensitivity [PDF]

open access: yesNature, 2019
Gyroscopes are essential to many diverse applications associated with navigation, positioning and inertial sensing1. In general, most optical gyroscopes rely on the Sagnac effect—a relativistically induced phase shift that scales linearly with the ...
M. P. Hokmabadi   +3 more
semanticscholar   +1 more source

Effect of Metallization on Quality Factor and Noise Characteristics in Fused Silica Dual-Shell Gyroscopes

open access: yesJournal of microelectromechanical systems, 2022
Metal coating of Fused Silica (FS) Micro-machined Hemispherical Resonator Gyroscopes (micro-HRGs) is necessary to allow for capacitive actuation and detection of motion.
Dan-Meng Wang   +5 more
semanticscholar   +1 more source

Thermal Actuation Based 3-DoF Non-Resonant Microgyroscope Using MetalMUMPs [PDF]

open access: yes, 2009
High force, large displacement and low voltage consumption are a primary concern for microgyroscopes. The chevron-shaped thermal actuators are unique in terms of high force generation combined with the large displacements at a low operating voltage in ...
Lai, YJ   +4 more
core   +2 more sources

Heart Rate Variability Analysis on Electrocardiograms, Seismocardiograms and Gyrocardiograms on Healthy Volunteers

open access: yesSensors, 2020
Physiological variation of the interval between consecutive heartbeats is known as the heart rate variability (HRV). HRV analysis is traditionally performed on electrocardiograms (ECG signals) and has become a useful tool in the diagnosis of different ...
Szymon Sieciński   +2 more
doaj   +1 more source

MoRPI: Mobile Robot Pure Inertial Navigation

open access: yesIEEE Journal of Indoor and Seamless Positioning and Navigation, 2023
Mobile robots are used in a variety of applications indoors and outdoors. In real-world scenarios, frequently, the navigation solution relies only on the inertial sensors. Consequently, the navigation solution drifts in time.
Aviad Etzion, Itzik Klein
doaj   +1 more source

Direct Phase Measurement and Compensation to Enhance MEMS Gyroscopes ZRO Stability

open access: yesJournal of microelectromechanical systems, 2021
This research introduces a closed-loop method to improve the zero-rate output (ZRO) stability of amplitude-modulated (AM) capacitive MEMS gyroscopes, even in absence of quadrature compensation electrodes.
L. G. Pagani   +5 more
semanticscholar   +1 more source

The Use of Inertial Measurement Units for the Study of Free Living Environment Activity Assessment: A Literature Review

open access: yesSensors, 2020
This article presents an overview of fifty-eight articles dedicated to the evaluation of physical activity in free-living conditions using wearable motion sensors.
Sylvain Jung   +6 more
doaj   +1 more source

Hemispherical Vibratory Gyroscope Performance Evaluation and Sensitivity Analysis with Capacitive Excitation [PDF]

open access: yesJournal of Electrical and Computer Engineering Innovations, 2018
Background and Objectives: Coriolis vibratory gyroscope is one of the most modern types of gyroscopes that has been substituted for the common gyroscopes with some differences in the test mass design and elastic suspension.
R. Sedaghati, M. Mahmoudian
doaj   +1 more source

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