Cuba faces a major power outage after the Guiteras plant failure. Follow the hour‑by‑hour timeline of the national grid’s restoration.

Abstract: This paper presents a switching motion controller for a piezoelectric actuator used in fast mechanical switches, which are the essential parts in hybrid circuit breakers for protecting ...

Abstract: In piezoelectric transducer (PZT) energy harvesting, the synchronous electric charge extraction (SECE) technique is valued for its inherent load independence. However, achieving reliable ...