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I bought the cheapest and most expensive RC airplanes

What really separates the cheapest RC airplane from the most expensive one? I put both to the test to see how they fly, how ...
IEEE

An Improved Model Predictive Control for a Novel Flying-Capacitor Five-Level Converter With Reduced Switching Devices

Abstract: The five-level converter is a promising topology for industrial applications. In this article, a novel flying-capacitor (FC) five-level topology with reduced switching devices (RSD-FC5L ...
IEEE

Trajectory Tracking Control for a Hybrid Underwater Vehicle in Free-Flying and Crawling Operation Modes

Abstract: A hybrid underwater vehicle (HUV) equipped with thrusters and tracks has the great ability of free flying in the water and crawling on the surfaces of underwater structures, making it highly ...

DJI Mini 5 Pro With 3 Batteries and RC2 Remote Controller Hits Record Low, Amazon Drops Margin Before Year-End

DJI launched the Mini 5 Pro back in September, and it’s already establishing itself as the go-to drone for anyone serious ...