THE WEEK'S MOST POPULAR SONGS RANKED BY RHYTHMIC RADIO AIRPLAY DETECTIONS, AS MESURED BY MEDIABASE AND PROVIDED BY LUMINATE. STATIONS ARE ELECTRONICALLY MONITORED 24 HOURS A DAY, 7 DAYS A WEEK.

The control mode of permanent magnet synchronous motor commonly used in traction elevator is analyzed, and the mathematical model of permanent magnet synchronous motor is introduced to obtain the ...