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We describe an AlN-based resonant switch (resoswitch) for use in a Near-Zero (NZero) RF Wake-up receiver. A folded beam structure compensates for the curvature caused by the stress gradient in sputtered AlN and ensures that the free end of center actuation beam is level with the side anchor beams. A 80.13 kHz resoswitch with Q over 4000 and an actuation gap of approximately 600 nm turns on when a...
Memory motors [1] [2] equipped with either single low-coercive force (LCF) or hybrid magnets have been extensively investigated due to the elimination of the associated excitation loss during the flux adjustment. Thus, they enable high efficiency operation within a wide range of speeds and loads. Very recently, switched-flux topologies that feature high torque density, simple rotor, and expedient...
This paper proposes a new direct active and reactive power control (DPC) for the three-phase grid connected dc/ac converters. The proposed DPC strategy employs a nonlinear sliding mode control (SMC) scheme to directly calculate the required converter's control voltage so as to eliminate the instantaneous errors of active and reactive powers without involving any rotating coordinate transformations...
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