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Characterisation of rollator use using inertial sensors
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Cheng, Tsu-Jui, Kenney, Laurence, Amor, James D., Thies, Sibylle Brunhilde, Costamagna, Eleonora, James, Christopher J. and Holloway, Catherine (2016) Characterisation of rollator use using inertial sensors. Healthcare Technology Letters, 3 (4). pp. 303-309. doi:10.1049/htl.2016.0061 ISSN 2053-3713 .
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Official URL: https://doi.org/10.1049/htl.2016.0061
Abstract
The use of walking aids is prevalent among older people and people with mobility impairment. Rollators are designed to support outdoor mobility and require the user to negotiate curbs and slopes in the urban environment. Despite the prevalence of rollators, analysis of their use outside of controlled environments has received relatively little attention. This Letter reports on an initial study to characterise rollator movement. An inertial measurement unit (IMU) was used to measure the motion of the rollator and analytical approaches were developed to extract features characterising the rollator movement, properties of the surface and push events. The analytics were tested in two situations: first, a healthy participant used a rollator in a laboratory using a motion capture system to obtain ground truth. Second, the IMU was used to measure the movement of a rollator being used by a user with multiple sclerosis on a flat surface, cross-slope, up and down slopes and up and down a step. The results showed that surface inclination and distance travelled measured by the IMU have close approximation to the results from ground truth; therefore, demonstrating the potential for IMU-derived metrics to characterise rollator movement and user's pushing style in the outdoor environment.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | ?? Multiple sclerosis ?? ?? Geriatrics ?? ?? Slopes ?? ?? Urban Environment ?? ?? Inertial Sensors ?? ?? Inertial Measurement Unit ?? ?? Inertial Navigation ?? ?? Mobility Impairment ?? ?? Medical Disorders ?? ?? Walking Aids ?? ?? Motion Capture System ?? ?? Outdoor Environment ?? ?? Biomedical Measurement ?? ?? Handicapped Aids ?? ?? Outdoor Mobility ?? ?? Imu-derived Metrics ?? ?? Curbs ?? ?? Push Events ?? ?? Rollator Movement ?? ?? Rollator Use ?? ?? Rollers (Machinery) ?? |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| SWORD Depositor: | Library Publications Router | ||||||||
| Journal or Publication Title: | Healthcare Technology Letters | ||||||||
| Publisher: | The Institution of Engineering and Technology | ||||||||
| ISSN: | 2053-3713 | ||||||||
| Official Date: | December 2016 | ||||||||
| Dates: |
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| Volume: | 3 | ||||||||
| Number: | 4 | ||||||||
| Page Range: | pp. 303-309 | ||||||||
| DOI: | 10.1049/htl.2016.0061 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||
| Date of first compliant deposit: | 12 February 2019 | ||||||||
| Date of first compliant Open Access: | 12 February 2019 |
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