Most insects and hummingbirds can generate lift during both upstroke and downstroke with a nearly horizontal flapping st......

Sliding mode control (SMC) has been studied since the 1950s and widely used in practical applications due to its insensi......

近年来，电动自行车以其低碳环保，节能便捷的特点，越来越受到消费者的青睐。电机是整车的动力输出部分，也是整车的核心部分，电机的好坏，决......