TPF-C Technology Plan - Exoplanet Exploration Program - NASA

Chapter 7
model of TPF-C and should include appropriate flexible dynamics of the spacecraft and
instrument module.
The vibration isolation testbed has achieved TRL 3. The testbed schedule is given in Table 7-14.
Table 7-14. Vibration Isolation Testbed Schedule
Planned
Completion
Date
Planned Activities Performance Targets TRL
Pre-Phase
A (Q4 &
September
FY05)
Design and analyze three types of
isolation systems: passive, augmented
passive, and active.
Develop models for each isolation design
to support analysis.
Demonstrate via analyses that each
isolation design meets the following
payload pointing and stability
requirements: rigid body pointing,
structure deformation, and optics
deformation.
2, 3
Pre-Phase
A (Q2 &
March
FY06)
Improve isolation designs, add higherfidelity
models to analyses, and
conduct detailed sensitivity analyses.
Complete system-level trade studies
sufficient to assess the relative merits
of isolation point designs.
Identify testbed requirements needed
to mature the technology.
Select isolation design that achieves
dynamics stability requirements based on
analytical results including uncertainty
parameter factors and trade study results.
3
Phase A
Fabricate selected isolation devices
and supporting testbeds for isolation
subsystem test.
Perform isolation subsystem tests.
Update performance predictions based
on isolation test results.
Pointing and stability requirements met
with analyses anchored from isolation
subsystem test.
4, 5
Phase B
Perform integrated pointing and
isolation tests.
Experimentally demonstrate performance
of pointing and isolation system
5, 6
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