The waggle dance, performed by successful forager honeybees (Apis mellifera) inside the hive, is a well-known form of symbolic communication that informs nestmates about the location of resources. It ...

Abstract: Low-power and high-speed BLDC(Brushless DC) motor is widely used in vacuum cleaners. This paper presents a sensorless speed control scheme for a high-speed BLDC motor of a hand-stick vacuum ...