Efficiency is the name of the game in power-system design, driven by the need to better leverage available energy and deliver more power from a smaller package. Except in some specialized or extremely ...

Cordless power tools are becoming the primary choice in both the professional and consumer markets for low-to-medium applications (Fig. 1). Workshop tools include screwdrivers, saws, drills, rotary ...

DC motors come in many forms, but they all have the same job: turning electrical energy (DC) into mechanical energy. Although DC motors have a common operating principle, many applications—including ...

When decelerating a moving mass in a permanent magnet motor drive, energy stored in the mechanical system may be returned through the motor driver to the power source. If this energy is not properly ...