Session
Weekend Session 1: Advanced Concepts - Research & Academia I
Location
Utah State University, Logan, UT
Abstract
Geodesic missions require precise accelerometers to improve the knowledge of the reference frame used for defining position coordinates, better calculating orbit parameters, and mapping the Earth’s gravitational field. Although space environment disturbances are typically relatively small, they generate large and significant accumulated drift errors over time. We describe a low noise accelerometer design that overcomes many of the limitations of existing designs and is capable of providing precision drag-free control in vehicles with thrusters. Furthermore, it can be used with some modifications, including active thermal control, to detect gravitational waves in an interferometer using drag-free satellites. Due to its flexible design requirements for volume, weight, and power, our proposed instrument can be accommodated in small satellites.
A High Precision Accelerometer with an Optical Readout
Utah State University, Logan, UT
Geodesic missions require precise accelerometers to improve the knowledge of the reference frame used for defining position coordinates, better calculating orbit parameters, and mapping the Earth’s gravitational field. Although space environment disturbances are typically relatively small, they generate large and significant accumulated drift errors over time. We describe a low noise accelerometer design that overcomes many of the limitations of existing designs and is capable of providing precision drag-free control in vehicles with thrusters. Furthermore, it can be used with some modifications, including active thermal control, to detect gravitational waves in an interferometer using drag-free satellites. Due to its flexible design requirements for volume, weight, and power, our proposed instrument can be accommodated in small satellites.
