Results 61 to 70 of about 11,534 (200)

Development of a micromachined electrostatically suspended gyroscope

, 2009
In this thesis, a new approach based on an electrostatically suspended gyroscope (ESG) was explored in order to improve the performance of micromachined gyroscopes.
Damrongsak, Badin
core  

Transfer Function Compensation in Gyroscope-Free Inertial Measurement Units for Accurate Angular Motion Sensing

, 2011
Gyroscope-free inertial measurement units have been gaining popularity in applications such as motion sensing of handheld microsurgical instruments. Various accelerometer placement configurations have been proposed in the past.
Wei Tech Ang, Riviere, Cameron N, Tan, U Xuan, Cameron N. Riviere, Ang, Wei Tech, Win Tun Latt, U-Xuan Tan, Latt, Win Tun   +7 more
core   +1 more source

Controlling Chaos in a Symmetric Gyroscope

, 2008
[[abstract]]In this paper, controlling chaos in a gyroscope has been studied. It has shown that one can convert chaotic motion to a regular one. For this purpose, the feedback control, the addition of constant motor torque, the addition periodic force ...
Hsien-Keng Chen
core  

Physics of gyroscope nutation

AIP Advances, 2019
The known publications of the gyroscope property of maintaining its axis are represented by simplified mathematical models formulated on the law of kinetic energy conservation and the action of an inertial torque expressed by the change in the angular ...
R. Usubamatov
doaj   +1 more source

Dynamic Characteristics of Vertically Coupled Structures and the Design of a Decoupled Micro Gyroscope

Sensors, 2008
In a vertical type, vibratory gyroscope, the coupled motion between reference (driving) and sensing vibrations causes the zero-point output, which is the unwanted sensing vibration without angular velocity.
Seog Soon Baek, Taekhyun Kim, Seung-Yop Lee, Bumkyoo Choi   +3 more
doaj  

GyroFlow: Gyroscope-Guided Unsupervised Optical Flow Learning

, 2021
Existing optical flow methods are erroneous in challenging scenes, such as fog, rain, and night because the basic optical flow assumptions such as brightness and gradient constancy are broken.
Luo, Kunming, Li, Haipeng, Liu, Shuaicheng   +2 more
core   +1 more source

Assessing the impact of body location on the accuracy of detecting daily activities with accelerometer data

iScience
Summary: Recent advancements in digital biomarkers have highlighted the importance of accelerometer and gyroscope data for monitoring activities, identifying motion-related diseases, and assessing disease severity.
Xiangnan Dang, Wentao Li, Jasmine Zou, Brian Cong, Yuanfang Guan   +4 more
doaj   +1 more source

Investigation of the Effect of Gravity Anomalies on the Precession Motion of Single Gyroscope Gravimeter

EN: Obtained a complete mathematical model of motion of unbalanced three-axis gyroscope,based on which was studied the influence of gravity anomalies on the precessional motion of singlegyroscope gravimeter.
Anton Koval, Roman Szewczyk, Michał Nowicki, Igor Korobiichuk   +3 more
core   +1 more source

A Smart Device Enabled System for Autonomous Fall Detection and Alert

International Journal of Distributed Sensor Networks, 2016
The activity model based on 3D acceleration and gyroscope is created in this paper, and the difference between the activities of daily living (ADLs) and falls is analyzed at first.
Jian He, Chen Hu, Xiaoyi Wang
doaj   +1 more source

Control of a z-axis MEMS vibrational gyroscope

, 2004
The paper describes the design of the control loops in a Z-axis, MEMS vibrational gyroscope. In this device, a silicon mass is driven through electrostatic actuator so that it has a sinusoidal linear motion, with a controlled speed.
ANTONELLO, RICCARDO, OBOE, ROBERTO, L. PRANDI, E. LASALANDRA, G. SPINOLA   +4 more
core   +1 more source