Theory and Design for Mechanical Measurements
Theory and Design for Mechanical Measurements
6th Edition
ISBN: 9781118881279
Author: Richard S. Figliola, Donald E. Beasley
Publisher: WILEY
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Chapter 3, Problem 3.49P

The displacement of a rail vehicle chassis as il rolls down a track is measured using a transducer (K = lOmV/mm, = 10 000 rad/s, £ = 0.6) and a recorder (K = 1 mm/mV, u>„ = 700 rad/s, £ = 0.7). The resulting amplitude spectrum of the output signal consists of a spike of 90 mm at 2 Hz and a spike of 50 mm at 40 Hz. Are the measurement system specifications suitable for the displacement signal? (If not, suggest changes.) Estimate the actual displacement of the chassis. State any assumptions.

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