Matthew A. Holgate

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With microprocessing power greatly increasing, hardware is no longer a hurdle in the development of controllers for wearable robotic systems, specifically lower limb robots. The challenge remains in developing smart algorithms that are able to detect which task a person is about to perform and then determine the correct desired movements for the robotic(More)
A team from the United States Military Academy and Walter Reed Medical Center, in collaboration with private industry partner, SpringActive, Inc., have designed, built, and demonstrated a first of its kind motor powered, single board computer controlled, running prosthesis for military transtibial amputees. This paper presents the design and initial results(More)
BACKGROUND Current prosthetic ankle joints are designed either for walking or for running. In order to mimic the capabilities of an able-bodied, a powered prosthetic ankle for walking and running was designed. A powered system has the potential to reduce the limitations in range of motion and positive work output of passive walking and running feet. (More)
Passive prosthetic feet are not able to provide non-amputee kinematics and kinetics for the ankle joint. Persons with amputations show reduced interlimb symmetry, slower walking speeds, and increased walking effort. To improve ankle range of motion and push off, various powered prosthetic feet were introduced. This feasibility study analyzed if predefined(More)
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