Kamal Youcef-Toumi

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The human ankle provides a significant amount of net positive work during the stance period of walking, especially at moderate to fast walking speeds. On the contrary, conventional ankle-foot prostheses are completely passive during stance, and consequently , cannot provide net positive work. Clinical studies indicate that transtibial amputees using(More)
In this paper, a solution to the control problem of dual actuation in atomic force microscopes (AFMs) is presented. The use of two actuators to balance the trade-off between bandwidth, range, and precision has been recently extended to nano-positioning systems. Despite existing demands, this concept undergoes fundamental limitations towards its extension to(More)