European Space Agency ESA is getting ready to launch in 2026 a terrestrial planets exploration tool called PLAnetary Transits ...

Antikythera Astronomical Device, the oldest calculator with multiple-functions, is driven by gear trains with five subsystems. The authors synthesized four feasible 1-DOF designs of the lost ...

In this paper, a new method using a single piezoelectric strain sensor for PGB fault diagnosis is presented. The method is validated on a set of seeded localized faults on all gears, namely, sun gear, ...

A planetary parade is a periodic event where multiple planetary bodies sharing a common star appear collectively to an observer's perspective.