Abstract: In this study, the adaptive dynamic programming (ADP)-based fixed-time optimal trajectory tracking control is investigated for wheeled mobile robots. An ADP-based fixed-time optimal tracking ...

Last year, a team of American diplomats from the State Department’s Global Engagement Center traveled to two dozen countries and signed a series of memoranda. Along with their counterparts in places ...

Mariah Carey’s “All I Want for Christmas Is You” is now the longest-running No. 1 song in U.S. chart history. The 1994 modern Christmas classic has spent a cumulative 20 weeks atop the Billboard Hot ...

Abstract: Accurate 3-D tracking in heterogeneous, unsynchronized multicamera systems remains challenging because of calibration overhead and temporal drift. In this study, we present a point cloud- ...

NASA has announced when the longest total solar eclipse of the century will occur—and you won’t have to wait long. Here’s what you should know. According to NASA's solar eclipse calendar, the longest ...