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Compensation of Magnetostrictive Hysteresis by Arduino: Floating Versus Fixed-Point Performances
No full textThe use of embedded computational capabilities in devices with magnetostrictive materials allows the design of objects, able to show smart features without the use of external controllers/devices. However, in the magnetostrictive devices world, the problem of getting smart performances in actuation and sensing, with a lower cost, has been faced a few times to date. In this paper, we present the compensation of the hysteresis of a magnetostrictive actuator using a low-cost Arduino platform (fixed-point mathematic). In this case, a quasi-linear actuator is obtained. The experimental performances are compared with the ones of a standard xpctarget-MATLAB environment (floating point mathematic). We found that the Arduino solution is largely acceptable, dealing with compensation errors within a few percents, and fast enough compensation times, up to sampling frequencies of kilohertz
Alpha-tACS effects in working memory performance depend on both the number of relevant and non relevant items
No full textExperimental analysis of vibrations damping due to magnetostrictive based energy harvesting
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