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Reusable launch vehicle attitude con...

Stott, James Edward, Jr.

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Reusable launch vehicle attitude controls using time varying sliding modes.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Reusable launch vehicle attitude controls using time varying sliding modes./
Author:	Stott, James Edward, Jr.
Description:	103 p.
Notes:	Source: Masters Abstracts International, Volume: 43-05, page: 1784.
Contained By:	Masters Abstracts International43-05.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1425541
ISBN:	0496988131

Reusable launch vehicle attitude controls using time varying sliding modes.
Stott, James Edward, Jr.

Reusable launch vehicle attitude controls using time varying sliding modes. - 103 p.

Source: Masters Abstracts International, Volume: 43-05, page: 1784.

Thesis (M.S.E.)--The University of Alabama in Huntsville, 2005.

In this thesis we present a multiple time scale Time-Varying Sliding Mode Control driven by a Sliding Mode Disturbance Observer (TV-SMC-SMDO) technique for reusable launch vehicle (RLV) attitude control. A fixed-gain SMC for RLVs has already been developed. Here we address the deficiencies of the fixed-gain SMC based Flight Control System (FCS) by avoiding saturation and improving controller robustness, thereby improving RLV performance.

ISBN: 0496988131Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Reusable launch vehicle attitude controls using time varying sliding modes.
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035 $a AAI1425541
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100 1 $a Stott, James Edward, Jr. $3 1903048
245 1 0 $a Reusable launch vehicle attitude controls using time varying sliding modes.
300 $a 103 p.
500 $a Source: Masters Abstracts International, Volume: 43-05, page: 1784.
500 $a Adviser: Yuri Shtessel.
502 $a Thesis (M.S.E.)--The University of Alabama in Huntsville, 2005.
520 $a In this thesis we present a multiple time scale Time-Varying Sliding Mode Control driven by a Sliding Mode Disturbance Observer (TV-SMC-SMDO) technique for reusable launch vehicle (RLV) attitude control. A fixed-gain SMC for RLVs has already been developed. Here we address the deficiencies of the fixed-gain SMC based Flight Control System (FCS) by avoiding saturation and improving controller robustness, thereby improving RLV performance.
520 $a The controller employs a body rate inner loop and an attitude outer loop, which are separated in time-scale by the singular perturbation principle. Both the sliding surface and the boundary layer dynamics are varied in real time using the PD-eigenvalue assignment technique. This salient feature is used to cope with saturation, which enhances the robustness and fault tolerance of the controller. The SMDO, which estimates external disturbances and model uncertainties, is used in the inner loop improving robustness of the continuous TV-SMC.
590 $a School code: 0278.
650 4 $a Engineering, Electronics and Electrical. $3 626636
650 4 $a Engineering, Aerospace. $3 1018395
650 4 $a Applied Mechanics. $3 1018410
690 $a 0544
690 $a 0538
690 $a 0346
710 2 0 $a The University of Alabama in Huntsville. $3 1017884
773 0 $t Masters Abstracts International $g 43-05.
790 1 0 $a Shtessel, Yuri, $e advisor
790 $a 0278
791 $a M.S.E.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1425541