Abstract: Metro train rolling bearings operate under variable-speed conditions due to continuous acceleration and deceleration, leading to time-varying characteristics in vibration signals. These ...

Alt-metal — or is it OK to call them nu-metal? — acts Mudvayne and Static-X brought their blend of horror theatrics and crunching riffs to the Boeing Center at Tech Port on Sunday night. And whatever ...

Abstract: In this letter, a novel discrete active disturbance rejection control (ADRC) method is proposed to solve the trajectory tracking problem for a four-mecanum-wheeled mobile vehicle (FMWMV).