The first type of motor built is still in widespread use In the late 1800s, several inventors built the first working motors, which used direct current (DC) power. After the invention of the induction ...

Several industries – including mining, steel, rail and power generation – rely on large motors equipped with commutators to produce the power required by their applications. However, without precision ...

Taiwanese Journal of Mathematics, Vol. 23, No. 6 (December 2019), pp. 1365-1388 (24 pages) Recently, Lenzmann and the author observed how to obtain a large class of sharp commutator estimates by a ...

I am trying to reduce the electrical noise from a 12V 5A brushed dc motor, driven via a pulse width modulator. Much as I would have fun trying various configurations, I would also like to get the ...