Fall Prediction Model for a Reconfigurable Mobile Support Robot
Name
kamienski-emilyk-smme-meche-2021-thesis.pdf
Description
Thesis PDF
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5.45 MB
Format
Adobe PDF
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f2a0b010fed139c80ffc7c38b039469b
Author(s)
Kamienski, Emily
Advisor(s)
Asada, Haruhiko Harry
Date Issued
June 2021
Publisher
Massachusetts Institute of Technology
Abstract
This work presents a fall prediction model to be used in conjunction with a reconfigurable robot for elderly mobility support. The fall prediction model is based on a Long Short Term Memory network. A predicted fall will inform a reconfigurable robot to expand its base of support to avoid possible tipping induced by the fall. A wearable support interface consisting of an instrumented harness and auto retracting cable system is developed for supporting the body and preventing a fall from occurring. The prediction model was developed using data taken of simulated falls and activities of daily living while using a test platform with the wearable support interface solution. The reconfigurable robot concept explored resembles a walker and provides mobility assistance during normal use, but it can also expand its base of support during a falling emergency. The model results show that a fall can be predicted 530 ms from the initial observance of instability in the user, which allows sufficient time to reconfigure a robot into a more stable configuration.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
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