Commercial Motion Sensor Based Low-Cost and Convenient Interactive Treadmill

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Interactive treadmills were developed to improve the simulation of overground walking when compared to conventional treadmills. However, currently available interactive treadmills are expensive and inconvenient, which limits their use. We propose a low-cost and convenient version of the interactive treadmill that does not require expensive equipment and a complicated setup. As a substitute for high-cost sensors, such as motion capture systems, a low-cost motion sensor was used to recognize the subject's intention for speed changing. Moreover, the sensor enables the subject to make a convenient and safe stop using gesture recognition. For further cost reduction, the novel interactive treadmill was based on an inexpensive treadmill platform and a novel high-level speed control scheme was applied to maximize performance for simulating overground walking. Pilot tests with ten healthy subjects were conducted and results demonstrated that the proposed treadmill achieves similar performance to a typical, costly, interactive treadmill that contains a motion capture system and an instrumented treadmill, while providing a convenient and safe method for stopping.
Publisher
MDPI AG
Issue Date
2015-09
Language
English
Article Type
Article
Citation

SENSORS, v.15, no.9, pp.23667 - 23683

ISSN
1424-8220
DOI
10.3390/s150923667
URI
http://hdl.handle.net/10203/205328
Appears in Collection
ME-Journal Papers(저널논문)
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