EAV-3

1. 본문

EAV-3 has multiple meanings:
1. In aerospace engineering:

• EAV-3 (Electrical Aerial Vehicle-3): A solar-powered, high-altitude, long-endurance unmanned aerial vehicle (UAV) developed by the Korea Aerospace Research Institute (KARI).
• It achieved a domestic record of 53 straight hours of flight on solar power at high altitude in August 2020.
• It has a wingspan of 20 meters, a body length of 9 meters, and weighs approximately 66 kg.
• It can fly in the stratosphere (above 12 km) and perform tasks such as real-time surveillance, communication transmission, and environmental monitoring.
• In 2016, another EAV-3 flight successfully flew for 90 minutes in the stratosphere at an altitude of 18.5 km.
• KARI is developing the high performance battery pack.

• EAV (Entity-Attribute-Value): A data model used for space-efficient storage of sparse or ad-hoc property or data values. It's designed for situations with a large number of potential properties, but where only a small subset are used for any given entity.

• blueMatic EAV3: This is a motorized automatic locking system for doors, made by the company Winkhaus.
• It features automatic locking via magnet technology.
• It can be activated with wireless transmitters, fingerprints, transponders or Bluetooth.