Abstract: To improve the position estimation performance of the permanent magnet synchronous motor (PMSM) drive system, a novel quasi-super-twisting observer (QSTO) combined with the enhanced ...

Abstract: Teaching materials are crucial for improving the efficiency of teaching and learning. However, traditional tools for creating teaching materials are mutually independent and lack sufficient ...

A simple roll of tape can solve more problems than most shooters realize. From improving grip and marking magazines to quick field fixes and better weapon control, these practical tape tricks are ...

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