The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

Abstract: The advent of flying cars is a manifestation of the urban air mobility (UAM) concept, aimed at alleviating urban traffic congestion. Enhancing their durability and maintaining a stable power ...

Abstract: Direct-drive wave energy converter (DDWEC) is more widely used due to its simple structure and high conversion efficiency. Different kinds of linear machines are used in DDWEC to improve the ...