24 lines
843 B
Mathematica
24 lines
843 B
Mathematica
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% Vibration measurement on:
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% Piezo stack in MEL lab - 5 may 2021
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% Excitation: hammer dytran with metal tip : 230e-6V/N
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% Response: laser vibro dual fibres 1mm/s/V
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% recorded signals and saved traces
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% laser fibres on both sides edges of stack
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--> photo: piezo_rotation.jpg
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--> plot: piezo_stack_rotation_5may2021.png
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% meas3 hammer on edge right: green
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% meas4 hammer on centre top : blue
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% meas5 hammer on edge left : orange
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% laser fibres on base and top of stack (vertical axis)
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--> photo: piezo_vertical.jpg
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--> plot: piezo_stack_rotation_vertical_5may2021.png
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% meas7 hammer on vertical centre top : orange
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% Stack rotated 90deg - laser fibres on upper interface of stack (top and bottom of interface plate, ~1cm apart)
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--> photo: none
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--> plot: piezo_stack_rotation_interface_5may2021.png
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% meas8 hammer on interface top : orange
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