Feasibility analysis of a self-reinforcing electroadhesive rotational clutch
Alvaro Detailleur (Student TU Delft)
Sachin Umans (Student TU Delft)
Herbert Van Even (Student TU Delft)
A. Pennycott (TU Delft - Biomechatronics & Human-Machine Control)
H. Vallery (TU Delft - Biomechatronics & Human-Machine Control, Erasmus MC)
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Abstract
Building upon recent advancements in linear electroadhesive clutch materials and performance, this paper examines the feasibility of a self-reinforcing electroadhesive rotational clutch using a simple model. The design aims to deliver improvements in applications where performance is limited by the torque-to-power and torque-to-mass ratios offered by conventional electromagnetic or magnetorheological clutches. The performance of the self-reinforcing design is related to the device's geometric parameters and hence the robustness of clutch configurations is examined by modeling the system parameters as having stochastic properties. A design example based on the clutch requirements of a gyroscopic balance assistance device is analyzed. The analysis predicts that substantial improvements in torque-to-power and torque-to-mass ratios are possible with the presented design compared to industry-leading rotational clutches.