Le locle energy storage time

Le Locle’s iconic clock tower now uses kinetic energy storage. Its pendulum motion charges batteries, keeping the clock accurate to 0.001 seconds. Historical preservation meets innovation—take that, sundials! [pdf]

Energy storage observer

The observer-based monitoring methods are widely applied to industrial energy systems such as the thermodynamic systems as well as energy storage equipment, and the key issue is the estimation of state. [pdf]