Motor Control, Software, Hardware and Training

Getting Shaft Speed Without Getting the Shaft

Obtaining a high-quality motor shaft speed signal is required for most motor position and speed control systems. However, obtaining such a signal may be more difficult than you think. This article presents one possible technique which uses only a two-channel timer to process the signals from a digital tachometer with a minimum number of required calculations.

  Getting Shaft Speed without Getting the Shaft.doc

  Getting Shaft Speed without Getting the Shaft.pdf