IEEE ... International Conference on Rehabilitation Robotics : [proceedings] · 2022
Ambulation Control System Design for a Hybrid Knee Prosthesis.
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Simon Ann M, Ursetta Frank, Shah Kunal, Stephens Michael, Ikeda Andrea J, Finucane Suzanne B, McClerklin Emoonah, Lipsey Jim, Hargrove Levi J
Аннотация
Prosthetic knees available to individuals with transfemoral amputation seek to restore functional ability to the user. Passive prosthetic knees are lightweight but can restore only limited, dissipative ambulation activities whereas active knees can provide energy to restore additional ambulation activities such as stair climbing and standing up from a chair. Semi-active prosthetic devices aim to only power a subset of activities and use passive components and control when that power is not necessary. Here, we outline an ambulation control system for a lightweight Hybrid Knee prosthesis that is powered for climbing stairs and passive for other ambulation activities (level-ground walking, walking on an incline, and stair descent). We include preliminary offline and online intent recognition system results for one able-bodied user and one individual with a transfemoral amputation demonstrating low error rates in predicting between active and passive control.