MIT 16 83X - Metrology System Design (17 pages)

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Metrology System Design



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Metrology System Design

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Pages:
17
School:
Massachusetts Institute of Technology
Course:
16 83x - Space Systems Engineering

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EMFFORCE OPS MANUAL 1 Space Systems Product Development Spring 2003 G Metrology System Design AA G 1 Subsystem Outline The purpose of the metrology subsystem is to determine the separation distance and relative orientation of the craft The data will be used to control the system and stored for analysis of the system performance The primary purpose of the metrology system is to provide an input for the control algorithm The data will be used to maintain control of the cluster This purpose is the main source of the system requirements Massachusetts Institute of Technology 1 Dept of Aeronautics and Astronautics EMFFORCE OPS MANUAL 2 Space Systems Product Development Spring 2003 G 2 Requirements The metrology system is required to determine the position and orientation of the vehicles The metrology system is also required to determine the angular rate of each vehicle This data will be used to control the system and recorded for analysis Specifically the metrology system must Determine the separation distance of the vehicles to within 1cm Determine the bearing angle between vehicles to within 5 degrees Work at a maximum separation distance of 4m Return data at a rate of 1 Hz Massachusetts Institute of Technology 2 Dept of Aeronautics and Astronautics EMFFORCE OPS MANUAL 3 Space Systems Product Development Spring 2003 G 3 Current System Design The current metrology system is legacy technology modified to suit our needs The current design for the metrology system is a hybrid of the system used for project SPHERES and the system utilized by the Electronic Ink Corp in their Mimio Electronic whiteboard The design of the receivers is taken directly from SPHERES since it had proven effective on that project and met our current system requirements The transmitter is based on the design of the Mimio pen transmitter The Mimio transmitter proved to be more effective for location in 2D a plane where as the SPHERES system was designed to work in 3D space The original designs have



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