LIGO Document T080033-v1
- Using a single two-wire pendulum, investigated whether a permanent set caused by an enforced pitch is observed, whether the effect was proportional, and whether an increase in d distance would decrease the permanent set for a given input displacement. We could induce a permanent tilt of a single suspended mass hanging from two wires with no springs involved. The size of the effect was comensurate with the effects seen at LASTI. By allowing the system to ring down from a larger tilt, the permanent tilt could be removed.
- This is one document of several exploring hysteresis and alignment issues in the quad pendulum. See related documents for the other documents in this study. T080044 is part 2 of this particular study.
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