Abstract: We consider the problem of attitude tracking for small-scale aerobatic helicopters. A small scale helicopter has two subsystems: the fuselage, modeled as a rigid body; and the rotor, modeled ...

Abstract: In this paper, a dual loop trajectory tracking control strategy based on L1 adaptive and backstepping method is proposed for unmanned helicopter. The controller is designed to deal with the ...

Activision has revealed the patch notes for Call of Duty Warzone and Black Ops 7 Season 2 Reloaded update 1.95/1.095.

Defence stocks reach all-time highs, driven by need to produce billions of dollars of weapons systems.

Speedboats like the Ashura-class fast patrol boat, which is based on a British design, can also be deployed as an agile mine-laying force. The 6.7m-long vessel uses a glass-reinforced plastic hull ...

Facing off against Peoria in the Valley, Coconino was led by a 4-for-4 game from senior Katelynn Yazzie. In addition to ...

French shipbuilder CMN on March 4, 2026, held a christening and launching ceremony for the first BR71 MKII corvette for the ...

Despite being stripped of his status as prince in October, King Charles III's younger brother Andrew remains eighth in line to become monarch. That might change.

Officials are urging caution over reports that a suspect in Nancy Guthrie's abduction was previously seen at her Tucson home, calling the claims unsubstantiated.

This February marks the fourth year of Russia’s war against Ukraine – a war aimed at ending Ukraine’s sovereignty and erasing ...