We rode thousands of miles testing e-bikes in the real world to find the ones that truly deliver on performance, value, and ...

NIU upgraded the 200F over the previous KQi 2 Pro with several meaningful tweaks. The most obvious is the set of new foldable handlebars that not only make the bars wider while riding for more ...

In this paper, a two-stage electric vehicle (EV) architecture of an AC-DC converter is proposed for charging two batteries at a time. It consists of a three-phase multilevel boost PFC converter ...

Abstract: The design of an energy management strategy (EMS) has a considerable impact on the operation of electric vehicles. In particular, a robust EMS can increase the battery lifetime and reduce ...