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Results for “Micro-Precision Pointing”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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5 records

All sources NASA NTRS DOE OSTI

NASA NTRS1995

Micro-Precision Interferometer: Pointing Control System

This paper describes the development of the wavefront tilt (pointing) control system for the JPL Micro-Precision Interferometer (MPI). This control system employs piezo-electric actuators and a digital imaging sensor with feedback compensation to reject errors in instrument pointing. Stringent performance goals require large feedback, however, several characteristics of the plant tend to restrict the available bandwidth. A robust 7th-order wavefront tilt control system was successfully implemented on the MPI instrument, providing sufficient disturbance rejection performance to satisfy the established interference fringe visibility.

Micro-Precision Pointing↗

NASA NTRS2000

Micro-Precision Interferometer: Pointing System Solutions for On-orbit Disturbance Environment

We predict the contribution to the on-orbit residual tip-tilt performance due to the reaction wheel disturbance, for different isolater and closed loop optics configurations for the Space Interferometer Mission (SIM).

space↗

NASA NTRS1999

Micro-Precision Interferometer: Pointing System Performance in On-orbit Disturbance Environment

We investigate how the Space Interferometry Mission (SIM) will be able to meet its instrument astrometric pointing requirements.

space↗

NASA NTRS1995

Six-Axis Vibration Isolation Technology Applied to Spaceborne Interferometers

This paper discusses the vibration isolation problem as it applies to spaceborne

vibration↗

NASA NTRS1999

An Integrated Model Validation Study of the Wave Front Tip/Tilt System Using the Micro-Precision Interferometer Testbed

This paper presents a validation study of a specific integrated modeling methodology which is a candidate tool for modeling complex opto-mechanical systems such as spaceborne interferometers.

interferometry↗