NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 10 of 2708
Linear adaptive control of a single-tether system
Author and Affiliation:
Greene, M. E.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Carter, J. T.(NASA Marshall Space Flight Center, Huntsville, AL, United States)
Walls, J. L.(Auburn University, AL, United States)
Abstract: A control law for a single-tether orbiting satellite system based on a reduced order linear adaptive control technique is presented. The main advantages of this technique are its design simplicity and the facts that specific system parameters and model linearization are not required when designing the controller. Two controllers are developed: one which uses only tension in the tether as control actuation and one which uses both tension and in-plane thrusters as control actuation. Both a sixth-order nonlinear and an 11th-order bead model of a tethered satellite system are used for simulation purposes, demonstrating the ability of the controller to manage an uncertain system. Retrieval and stationkeeping results using these nonlinear models and the linear adaptive controller demonstrate the feasibility of the method. The robustness of the controller with respect to parameter uncertainties is also demonstrated by changing the nonlinear model and parameters within the model without redesigning the controller.
Publication Date: Jan 01, 1992
Document ID:
19920068748
(Acquired Nov 22, 1995)
Accession Number: 92A51372
Subject Category: SPACECRAFT DESIGN, TESTING AND PERFORMANCE
Document Type: Journal Article
Publication Information: International Journal of Adaptive Control and Signal Processing (ISSN 0890-6327); 6; 1, Ja; 1-17
Publisher Information: United Kingdom
Financial Sponsor: NASA; United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 17p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: ADAPTIVE CONTROL; CONTROLLERS; LINEAR EQUATIONS; SATELLITE CONTROL; TETHERED SATELLITES; CONTROL SYSTEMS DESIGN; EQUATIONS OF MOTION; RUNGE-KUTTA METHOD
Imprint And Other Notes: International Journal of Adaptive Control and Signal Processing (ISSN 0890-6327), vol. 6, no. 1, Jan. 1992, p. 1-17. Research supported by NASA.
Miscellaneous Notes: Research supported by NA
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 19, 2011
Contact Us