ISSN: 2375-2998
International Journal of Electrical and Electronic Science  
Manuscript Information
 
 
Comparison of Range-of-Motion Measurement Data in Human Knee Joint Using Inertial Sensors
International Journal of Electrical and Electronic Science
Vol.2 , No. 3, Publication Date: Sep. 12, 2015, Page: 49-56
1258 Views Since September 12, 2015, 1877 Downloads Since Sep. 12, 2015
 
 
Authors
 
[1]    

Olubiyi O. Akintade, Department of Electronic and Electrical Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria.

[2]    

Lawrence O. Kehinde, Department of Electronic and Electrical Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria.

 
Abstract
 

This work uses inertial sensors (accelerometer and gyroscope) to track human knee joint movement and then compares results from these sensors. The MPU-9150 module which combines a tri-axial accelerometer and a tri-axial gyroscope was used as sensors. An mbed NXP LPC1768 was used as microcontroller and ZigBee protocol (XBee Modules) was employed for wireless communication. Both sensors show high repeatability (< 1.0°), indicating usability. While the gyroscope is good for range of motion measurement, an accelerometer is good for tilt angle measurement. Though data fusion techniques can be used to integrate data from both sensors, it results in an increase in development cost.


Keywords
 

Accelerometer, Gyroscope, Knee Joint, Range of Motion


Reference
 
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