Columnist Gail Symons writes, "After tuition and expenses, my flexibility hinged on tips. Those tips reflected how well I served people. There was a direct connection between effort and result, and ...

We’ve written before at HuffPost UK about why airline staff ask us to keep the blinds shut during takeoff and landing and the surprisingly sensible reason some planes still have ashtrays, even though ...

Abstract: This paper reviews the potential of MPPT (Maximum Power Point Tracking) control strategy based on lookup tables as an for PV panels. The lookup table is a search table containing two or more ...

Abstract: There are several ways to reduce the ripple magnitude for direct torque-controlled permanent magnet synchronous motor (PMSM) drives. In this work, the compensated duty ratio optimized direct ...