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Interpolatory H-infinity model reduction
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Method, apparatus, and system for drive control, power conversion, and start-up control in an SRM or PMBDCM drive system Virginia Tech Intellectual Properties, Inc.; Ramu, Krishnan (United States Patent and Trademark Office, 2007-09-18)A power converter for a switched reluctance motor or a permanent magnet brushless direct current (dc) motor may include first and second partial circuits for forming multiple conduction circuits in cooperation with first ...
Virginia Tech Intellectual Properties, Inc.; Gardner, Robert Matthew; Zhong, Zhian; Liu, Yilu (United States Patent and Trademark Office, 2010-07-27)A system for detecting and locating a disturbance event within a power grid includes a series of frequency disturbance recorders (FDRs) taking measurements in the power grid at dispersed points of the power grid, an ...
Virginia Tech Intellectual Properties, Inc.; Lai, Jih-Sheng; Chen, Chien-Liang; Park, Sung Yeul (United States Patent and Trademark Office, 2014-09-02)A new current loop control system method is proposed for a single-phase grid-tie power conditioning system that can be used under a standalone or a grid-tie mode. This type of inverter utilizes an inductor-capacitor-inductor ...