Abstract: Surface-mounted Permanent magnet synchro-nous motors (SPMSMs) are widely used in high-precision, high-dynamic response control systems. However, the drive system's current sampling induced ...

This study addresses an important question and shows how social navigation in homing pigeons can be explained by simple averaging, without requiring any complex cognitive abilities. The evidence, ...

The Supervisor of Elections Office spent more than $16K to reprint the sample ballots and more than $13K for postage. The Orange County Supervisor of Elections Office erred in printing the wrong ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

Abstract: The permanent magnet synchronous motor (PMSM) drives using small-capacity film capacitors has the advantages of high-power density, low cost, and long service life. However, large ...