a) A rotary incremental encoder is used to measure the rotational speed of a shaft. Theencoder disk is connected to the shaft directly and the sensor signal is fed into a frequencycounter. The frequency counter is able to measure a frequency from 0 to 16kHz with theaccuracy of 0.5Hz and the maximum speed of the shaft is 10000 rpm.i.Determine the required number of slots of the encoder disk in order to measurethe maximum range of the shaft speed.What is the smallest change of speed detectable by the encoder and frequencvcounter system as proposed in c(i) ?ii.iii.What are the advantages and disadvantages of increasing the nurnver or siots obe higher than that of c(i) ?What are the advantages and disadvantages of decreasing the nuniuei ui Siots toiv.be lower than that of c(i) ?b) Describe and briefly explain the advantages of instrumentation amplimiers over differentiaiamplifiers and the areas of applications of instrumentation amplifiers.c) An LVDT with primary voltage of 18 Vrms has its first secondary windings wound in thesame pattern with primary windings and second windings at the opposite windingpattern. The sensitivity of the LVDT is 94.5 (mV/V-mm). If the net output voltage is2.4+0.02 mVrms, in phase with primary, determine the nominal core position and itserror.

Answered: Image /qna-images/answer/8cba882f-9269-43f9-ab0f-49a45486066a.jpg

Answered: b) Describe and briefly explain the…

b) Describe and briefly explain the advantages of instrumentation ampliriers over differentiai amplifiers and the areas of applications of instrumentation amplifiers.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Automation in manufacturing processes

The term automation refers to the technique through which the creation of an apparatus takes place using an automatic process or a system. Let us try to understand this with an example.

Question

a) A rotary incremental encoder is used to measure the rotational speed of a shaft. The
encoder disk is connected to the shaft directly and the sensor signal is fed into a frequency
counter. The frequency counter is able to measure a frequency from 0 to 16kHz with the
accuracy of 0.5Hz and the maximum speed of the shaft is 10000 rpm.
i.
Determine the required number of slots of the encoder disk in order to measure
the maximum range of the shaft speed.
What is the smallest change of speed detectable by the encoder and frequencv
counter system as proposed in c(i) ?
ii.
iii.
What are the advantages and disadvantages of increasing the nurnver or siots o
be higher than that of c(i) ?
What are the advantages and disadvantages of decreasing the nuniuei ui Siots to
iv.
be lower than that of c(i) ?
b) Describe and briefly explain the advantages of instrumentation amplimiers over differentiai
amplifiers and the areas of applications of instrumentation amplifiers.
c) An LVDT with primary voltage of 18 Vrms has its first secondary windings wound in the
same pattern with primary windings and second windings at the opposite winding
pattern. The sensitivity of the LVDT is 94.5 (mV/V-mm). If the net output voltage is
2.4+0.02 mVrms, in phase with primary, determine the nominal core position and its
error.

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