Abstract: In this brief, a task-oriented enhanced self-learning speed synchronization control method is proposed for flexible coupled dual-motor (FCDM) systems with unknown model parameters. Firstly, ...

TUCSON, Ariz. (AP) — An Arizona sheriff's department got more than 4,000 calls within 24 hours after the release of videos of a masked person on Nancy Guthrie's porch. Many tips will be worthless.

An Arizona sheriff’s department got more than 4,000 calls within 24 hours after the release of videos of a masked person on Nancy Guthrie’s porch. Many tips will be worthless. Others could have merit.

(AP) - An Arizona sheriff’s department got more than 4,000 calls within 24 hours after the release of videos of a masked person on Nancy Guthrie’s porch. Many tips will be worthless. Others could have ...