Hysteresis is a complex nonlinear effect in smart materials-based actuators, which degrades the positioning performance of the actuator, especially when the hysteresis shows asymmetric characteristics ...

In addition to maintaining the power balance, the major tasks of multi-area automatic generation control (AGC) involve regulating the power exchange among subareas. This study presents a new power ...

Ayatollah Ali Khamenei has not been seen publicly or heard from in nearly a week. That absence has surprised and unnerved everyone from political insiders to the general public.