نتایج جستجو برای: 2d accelerometer

تعداد نتایج: 90332  

Journal: :journal of medical signals and sensors 0
golshan taheri mehran yazdi alireza keshavarz-haddad arash rafie borujeny

the monitoring of epileptic seizures is mainly done by means of eeg (electroencephalogram) monitoring. although this method is accurate, it is not comfortable for the patient as the eeg-electrodes have to be attached to the scalp which hampers the patient’s movement. this makes long term home monitoring not feasible. in this paper the aim is to propose a seizure detection system based on accele...

Journal: :Int. Arab J. Inf. Technol. 2015
Tahir Mustafa Madani Muhammad Tahir Sheikh Ziauddin Syed Raza Mirza Ahmed

This paper, presents an evaluation of Three Dimensional (3D) unistroke human arm gestures. Our scheme employs an accelerometer-based approach by using NintendoTM Wiimote as a gesture device. The system takes acceleration signals from Wiimote in order to, classify different gestures. It deals with numeric gestures, i.e., digits from 0 to 9 and simple mathematical operator gestures for addition, ...

2015
R. Kumar A. Kumar

Use of uni-axial accelerometer is simplest and cost effective way to monitor vibration in a single direction. Situation in which, fault is rotating/changing its direction extraction of defect frequency is difficult from it. However, some of the bursts can be properly analysed. The acoustic sensor is another cost effective device which is generally omnidirectional and can be used in identificati...

2012
Mohit Jain Ajeet Pal Singh Soshant Bali Sanjit Kaul

There is evidence to support the claim that speedbreakers can cause accidents and injury. When a vehicle approaches a speed-breaker at a speed greater than some threshold velocity, the risk of accident or injury is substantial. Speed-breakers are inconspicuous in low visibility conditions, like at night, or when there is fog, rain or snow. This problem is particularly acute in developing countr...

Journal: :The Review of scientific instruments 2014
G Sánchez-Colina L Alonso-Llanes E Martínez A J Batista-Leyva C Clement C Fliedner R Toussaint E Altshuler

Understanding the penetration dynamics of intruders in granular beds is relevant not only for fundamental physics, but also for geophysical processes and construction on sediments or granular soils in areas potentially affected by earthquakes. While the penetration of intruders in two dimensional (2D) laboratory granular beds can be followed using video recording, this is useless in three dimen...

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Technology can provide safety in physical practices and improving the performance of these activities, so manufacturing of equipments for these purposes has been considered widely. The aim of the present paper was design and fabrication of three-axis accelerometer. hree acceleration sensors, three gyroscopes for angular velocity measurement, a microcontroller for converting analog data to ...

Journal: :Informatics in Medicine Unlocked 2021

Abstract Background Nowadays, self-reported assessments (SA) and accelerometer-based (AC) are commonly used methods to measure daily life physical activity (PA) in older adults. SA is simple, cost-effective, can be large epidemiological studies, but its reliability validity have been questioned. Accelerometer measurement has proven valid provide accurate reliable of everyday activities regardin...

2011
Taejin Ha Woontack Woo

In this paper, we suggest a mo indirect 3D object manipulation method information in an augmented reality environm we propose 1) a method that exploits a 2D 3DOF accelerometer, and compass sensors manipulate 3D objects in 3D space, 2) design t to map the control space of mobile phones reality (AR) display space, and 3) confirm the transfer functions by implementation. Our applicable to the desi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1385

چکیده ندارد.

2016
Hyun Chan Kim Sangho Song Jaehwan Kim

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. The size of the accelerometer is 1.5 × 1.5 mm², thus fitting the 1.8 × 1.8 mm² haptic actuator array cell. The detailed fabrication process of the miniaturized accelerometer is i...

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