Question

Q5. A 10-kg laser flow-measuring device is used on a table in a laboratory. Because of the operation of other equipment, the table is subject to vertical vibration. Accelerometer measurements show that the table vibration is at 300 Hz and has an amplitude of 4.3 m/ s. For effective operation, the maximum acceleration that the laser device can be subject to is 0.7 m/s-. (1) Design an undamped isolator to reduce the transmitted acceleration to the acceptable amplitude. (2) Design an isolator with damping ratio of 0.04 that can achieve the same goal in step (1). (3) Find out the maximum displacements of the table and the laser device with isolator design (1) and isolator design (2).

Answer 1

0 o ma Calcatah the moafmum r 0630

2 0 163 (-ryt (2ζ r)"-o.IG3 - 0 (63 2 6 2.61 rm) 2T%3006 lto So Nn in C gsay ca.lco re ncux tnny

leuel exceed tho above catcnhd nlue (torr)" -0163 r2.69 Constlau only pocitve ond weal vel

2ーナー261