Abstract: Place recognition is essential for SLAM system since it is critical for loop closure and can help to correct the accumulated drift and result in a globally consistent map. Unlike the visual ...

Abstract: The four-level nested neutral-point-clamped (4L-NNPC) inverter is a competitive topology among the various medium-voltage multilevel converters, and its main issue is flying-capacitor ...

Lawmakers of both parties have approved a series of requests by various organizations to create special license plates. In fact, there are now more than 100 options from which motorists can choose, ...