Design and Analysis of a Practical Heliogyro Blade Control System for Deployment and Flight

Metadata Updated: May 2, 2019

A heliogyro spacecraft is a specific type of solar sail that generates thrust from the reflection of solar photons. The proposed research for this fellowship will address the limitations of current analytic models and control designs for a heliogyro spacecraft to develop practical solutions. The first objective is to derive new equations of motion for the essential blade dynamics. The reduced order model for a heliogyro spacecraft will include multiple degrees of freedom, coupled dynamics, solar radiation pressure loading and torque source boundary conditions, all of which are lacking from the current analytic models. The second objective is to develop a root control system that effectively damps the structural modes of a heliogyro spacecraft. The final objective is to determine the blade behavior during initial spin-up of the spacecraft and blade deployment.

The main methods used to accomplish these research objectives will include classical control theory in conjunction with impedance control and a thorough understanding of the blade dynamics. The heliogyro spacecraft modeling will begin with simplified linear assumptions. The coupling and nonlinearities will be added incrementally to the model.

The propellant-free heliogyro is a long-duration sustainable spacecraft whose maneuverability allows it to attain previously inaccessible orbits for traditional spacecraft. Continuing research in practical heliogyro control will significantly advance the TRL of this innovative design, in turn lowering the cost of existing missions and opening up exciting new mission possibilities.

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Public: This dataset is intended for public access and use. License: U.S. Government Work

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Metadata Created Date August 1, 2018
Metadata Updated Date May 2, 2019

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Harvested from NASA Data.json

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Resource Type Dataset
Metadata Created Date August 1, 2018
Metadata Updated Date May 2, 2019
Publisher Space Technology Mission Directorate
Unique Identifier TECHPORT_91598
Maintainer
TECHPORT SUPPORT
Maintainer Email
Public Access Level public
Bureau Code 026:00
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://data.nasa.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Datagov Dedupe Retained 20190501230127
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Harvest Source Id 39e4ad2a-47ca-4507-8258-852babd0fd99
Harvest Source Title NASA Data.json
Data First Published 2019-08-01
Homepage URL https://techport.nasa.gov/view/91598
License http://www.usa.gov/publicdomain/label/1.0/
Data Last Modified 2018-07-19
Program Code 026:027
Source Datajson Identifier True
Source Hash d78518c1c4a6fe77e1fae9e0f8a4e2b51c13b47a
Source Schema Version 1.1

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