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Publication
Self-sensing of linear short-stroke actuators for multi-finger haptic interfaces using induced high frequency oscillations
Abstract
With the aim of providing a new touch sensation to the user, the design of innovative multi-finger haptic devices passes through the research for efficient and low-cost methods for position sensing. This paper thus addresses a novel self-sensing method for electromagnetic actuators taking advantage of high frequency oscillations induced at the transistor shutting and whose attenuation directly depends on the coil inductance that varies with the position.(
Official source
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