Psychology Today2d
The Death of Maps
We love maps. From ancient scribbles on parchment to the artistically drawn atlases of explorers, maps have given us ...
The Straits Times20d
First pedestrian-only paths open in Toa Payoh; paths in other towns to be completed by July
SINGAPORE – Some footpaths in Toa Payoh, such as in Toa Payoh Central, Toa Payoh Lorong 1 and Toa Payoh Lorong 4, have been turned into pedestrian-only paths to improve the safety of those on foot.
IEEE26d
Predefined Time Anti-Unwinding Control of Rigid Spacecraft Attitude Tracking
Abstract: This paper addresses the predefined time anti-unwinding attitude tracking control of rigid spacecraft with inertial uncertainties and external disturbances. Firstly, a new predefined-time ...
IEEE27d
Predefined-Time Disturbance Observer-Based Attitude Tracking Control for Spacecraft: A Solution for Arbitrary Disturbances
Abstract: This article proposes a predefined-time attitude tracking control framework for uncertain spacecraft. By introducing a bounded function, a new predefined-time stability criterion is proposed ...