Naval Postgraduate School
An engineering study of a digital tachometer and its effects on feedback control systems
engineeringstudy00goes.pdf (3.257Mb)Abstract
High speed integrated circuitry can be used to realize a tachometer with a high sampling rate at slow speeds . This device would, under certain conditions, be useful in damping transients of fairly fast velocity- and position control systems. After a treatment of the errors which are inherent in this device and other conventional tachometers, a comparative study is made of the effects of digital tachometer on relatively simple feedback control systems. Methods to improve the response are studied.
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