Proceedings ArticleDOI
An adaptive complementary filter for inertial sensor based data fusion to track upper body motion
M. Sajeewani Karunarathne,Samitha W. Ekanayake,Pubudu N. Pathirana +2 more
- pp 1-5
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TLDR
In this article, an adaptive complementary filter and inertial measurement sensors are used to identify human upper arm movements. And the proposed algorithm is tested with four healthy subjects wearing an inertial sensor against gold standard, which is the VICON system.Abstract:
Remote human activity monitoring is critical and essential in physiotherapy with respect to the skyrocketing healthcare expenditure and the fast aging population. One of frequently used method to monitor human activity is wearing inertial sensors since it is low-cost and accurate. However, the measurements of those sensors are able only to estimate the orientation and rotation angles with respect to actual movement angles, because of differences in the body's co-ordination system and the sensor's co-ordination system. There were numerous studies being conducted to improve the accuracy of estimation, though there is potential for further discussions on improving accuracy by replacing heavy algorithms to less complexity. This research is an attempt to propose an adaptive complementary filter for identifying human upper arm movements. Further, this article discusses a feasibility of upper arm rehabilitation using the proposed adaptive complementary filter and inertial measurement sensors. The proposed algorithm is tested with four healthy subjects wearing an inertial sensor against gold standard, which is the VICON system. It demonstrated root mean squared error of 8.77° for upper body limb orientation estimation when compared to gold standard VICON optical motion capture system.read more
Citations
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Journal ArticleDOI
Measurement of Upper Limb Range of Motion Using Wearable Sensors: A Systematic Review
Corrin P. Walmsley,Sîan A Williams,Sîan A Williams,Tiffany L. Grisbrook,Catherine Elliott,Catherine Elliott,Christine Imms,Amity Campbell +7 more
TL;DR: Wearable sensors have potential as viable instruments for measurement of joint angle in the upper limb during active movement and additional research and standardisation is required to guide clinical application.
Journal ArticleDOI
40 years of sensor fusion for orientation tracking via magnetic and inertial measurement units: Methods, lessons learned, and future challenges
Milad Nazarahari,Hossein Rouhani +1 more
TL;DR: This paper is among the first surveys which provide such breadth of coverage across different SFAs for tracking orientation with MIMUs, and has identified the need for benchmarking studies as the main challenge at the moment.
Journal ArticleDOI
Multiple Model Adaptive Complementary Filter for Attitude Estimation
Rahul Kottath,Rahul Kottath,Parag Narkhede,Vipan Kumar,Vipan Kumar,Vinod Karar,Vinod Karar,Shashi Poddar,Shashi Poddar +8 more
TL;DR: In this paper, the linear complementary filters are used as elementary blocks in the multiple model adaptive estimation (MMAE) structure and their weights are modified probabilistically to obtain an accurate orientation estimate.
Journal ArticleDOI
Motion capture sensing techniques used in human upper limb motion: a review
TL;DR: An overview of different sensors used in MoCap and techniques used for estimating human upper limb motion is provided and an overview on the techniques to overcome issues and challenges is provided.
BookDOI
Inclusive Smart Cities and Digital Health
TL;DR: A multi-tracker system that uses multiple, independent probabilistic models, such as Naive Bayes and hidden Markov model, to track different residents’ movements separately, through relying only on non-wearable, environmentally deployed sensors such as passive infrared motion sensors.
References
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Journal ArticleDOI
Nonlinear Complementary Filters on the Special Orthogonal Group
TL;DR: An observer on SO(3), termed the explicit complementary filter, that requires only accelerometer and gyro outputs; is suitable for implementation on embedded hardware; and provides good attitude estimates as well as estimating the gyro biases online.
Journal ArticleDOI
Measuring orientation of human body segments using miniature gyroscopes and accelerometers
TL;DR: A method for accurate measurement of the orientation of human body segments using an inertial measurement unit (IMU) using a Kalman filter and it was shown that the gyroscope offset could be estimated continuously during a trial.
Journal ArticleDOI
Pathophysiologic mechanisms of acute ischemic stroke: An overview with emphasis on therapeutic significance beyond thrombolysis
TL;DR: The objective of this review is to critically evaluate the major mechanisms underlying stroke pathophysiology, with emphasis on potential novel targets for designing newer therapeutic modalities.
Proceedings ArticleDOI
A complementary filter for attitude estimation of a fixed-wing UAV
TL;DR: A nonlinear complementary filter is proposed that combines accelerometer output for low frequency attitude estimation with integrated gyrometer output for high frequency estimation that is evaluated against the output from a full GPS/INS that was available for the data set.
Journal ArticleDOI
Measurement of human daily physical activity
TL;DR: The IDEEA accurately measured duration, frequency, type, and intensity of a variety of daily PAs, including the most common daily exercise and nonexercise PA.