The worst thing about a volume knob is that, having connected it to a computer, it might be wrong: if you’ve manually altered the volume settings somewhere else, the knob’s reading won’t be correct.

1. Field-oriented control (FOC), also known as vector control, maintains a constant stator field in quadrature with the rotor field irrespective of any bandwidth limitations presented by the PI ...

Brushless DC motor control is Fujitsu’s aim as it expands its 8FX microcontroller family. There are nine products added to the 8bit 48pin MB95690 series, and applications in home appliances, home ...

The motor and motor control markets are thriving in a number of areas, particularly medical and robotic applications. Also, there is a rich demand for small, efficient, high- and low-torque, and high- ...

Klaus Neuenhueskes looks at brushless DC motor control in cars and discovers that H-bridge controllers have specific advantages for designers. According to a recent report by research firm IHS, around ...

Running a brushed motor in muddy or dusty environments takes a toll on controllers, with both heavy back EMF and high stall currents. This explains one of the challenge in Europe’s Hacky Racer series, ...