Abstract: This study examines the pulsating square-wave voltage injection (SWVI) sensorless drive for interior permanent magnet synchronous motors (IPMSMs) at zero or low speed. It is well-known that ...
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Square- and Rectangular-Ring Vertex-Bar Slow Wave Structures for High-Efficiency Wide Bandwidth TWTs
Abstract: In this article, novel square-ring vertex-bar (SRVB) and rectangular-ring vertex-bar (RRVB) slow wave structures (SWSs) are proposed to develop high-efficiency wide bandwidth traveling wave ...
A barrel vault of steel and brick fronted by glossy turquoise tiles shelters this community kitchen in Iran, designed by local studio Song Architects. Named Aghajoon Kitchen, the 539-square-metre ...
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