منابع مشابه
Design and fabrication of three axes accelerometer
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 ...
متن کاملAccelerometer Gesture Recognition
Our goal is to make gesture-based input for smartphones and smartwatches accurate and feasible to use. With a custom Android application to record accelerometer data for 5 gestures, we developed a highly accurate SVM classifier using only 1 training example per class. Our novel Dynamic-Threshold Truncation algorithm during preprocessing improved accuracy on 1 training example per class by 14% a...
متن کاملA microchip optomechanical accelerometer
The monitoring of accelerations is essential for a variety of applications ranging from inertial navigation to consumer electronics [1]. The basic operation principle of an accelerometer is to measure the displacement of a flexibly mounted test mass; sensitive displacement measurement can be realized using capacitive [2, 3], piezo-electric [4], tunnel-current [5], or optical [6–9] methods. Whil...
متن کاملMEMS Accelerometer Readout
You work in a characterization laboratory af a MEMS company, and you have to design an electronic board in order to test a given capacitive accelerometer. The application of the sensor is vibration monitoring on a mechanical engine in a specific frequency range (from 40 Hz to 400 Hz). The MEMS device has a mass of 8nK g , a mechanical stiffness of 5N /m and a quality factor Q = 2. The capacitiv...
متن کاملAccelerometer Based Gait Analysis
This paper describes an accelerometer based gait analysis system for the assessment of fall risk. The assessment is based on 22 different features calculated from the signal. The different features are combined using machine learning algorithms in order to decide whether the subject has an increased fall risk. Results from Naive Bayes, Neural Networks, Locally Weighted Learning, Support Vector ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Review of Scientific Instruments
سال: 1956
ISSN: 0034-6748,1089-7623
DOI: 10.1063/1.1715577