Here are two simple 12V DC motor speed controllers that can be built for just a few dollars. Here are two simple 12V DC motor speed controllers that can be built for just a few dollars. They exploit ...

There's no better way to meter precisely the right amount of torque to each corner of a vehicle than assigning each wheel its own electric motor. But that's way too expensive for everyday vehicles, so ...

Prior to the advent of the adjustable-speed drive (ASD), the polyphase induction motor operated as a constant-speed motor. Figure 1 shows the well-known torque and current curves versus speed for the ...

According to GlobalData’s Technology Foresights, which uses over one million patents to analyze innovation intensity for the automotive industry, there are 300+ innovation areas that will shape the ...

Amsted Automotive has applied its longtime expertise in electro-mechanical torque management to develop clutch systems for EVs that can boost efficiency and range by as much as 10 percent. This is ...

QuietKat, widely known as a largely outdoorsman’s e-bike brand for hunters and other off-road riders, is taking its powerful e-bike design to the pavement with the new QuietKat Lynx electric moped.