The piezoelectric accelerometer according to Figure 4 is mounted on the system to measure the acceleration due to the movement of the base x (t) = 4.9 cos20t mm applied to the system. Accelerometer dumping ratio = 0.01. A) If the accelerometer has a hardness of k = 2 x 10° and the effective mass of the sensor is m= 20 gr, it is desirable to calculate the acceleration measured by the piezoelectric accelerometer due to the excitation function x (t). B) In the design of a piezoelectric accelerometer, it is desirable to determine the normal frequency range of the piezoelectric accelerometer so that the error of the measured displacement amplitude relative to the excitation amplitude is a maximum of 10%. mass -Nut | z[t) Octput transcucer Mass Spring- Damper -Piezoelectric element Housing Post - Irput x(t) maticn Object in metion Figure 4: Piezoelectric accelerometer hell

The piezoelectric accelerometer according to Figure 4 is mounted on the system to measure the acceleration due to the movement of the base x (t) = 4.9 cos20t mm applied to the system. Accelerometer dumping ratio = 0.01. A) If the accelerometer has a hardness of k = 2 x 10° and the effective mass of the sensor is m= 20 gr, it is desirable to calculate the acceleration measured by the piezoelectric accelerometer due to the excitation function x (t). B) In the design of a piezoelectric accelerometer, it is desirable to determine the normal frequency range of the piezoelectric accelerometer so that the error of the measured displacement amplitude relative to the excitation amplitude is a maximum of 10%. mass -Nut | z[t) Octput transcucer Mass Spring- Damper -Piezoelectric element Housing Post - Irput x(t) maticn Object in metion Figure 4: Piezoelectric accelerometer hell

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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