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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Analysis and synthesis of flight control systems for large launch vehicles

Earhart, Leroy Keith, 1942- January 1968 (has links)
No description available.
2

Attitude determination of a spinning spacecraft through application of detected and identified star transits to the estimation of spacecraft model parameters /

Walsh, Thomas Michael January 1974 (has links)
No description available.
3

On the robust stabilization of a linear time-varying uncertain system

Grigoriadis, Karolos M. 21 November 2012 (has links)
In recent years the problem of designing a feedback control law to stabilize a linear, time-varying uncertain system has received considerable attention. However, the problem is usually limited to the case of systems which satisfy the "matching" assumptions. Moreover, the question of the existence of a linear stabilizing control, if a nonlinear stabilizing control exists, is still unanswered. In the present work an attempt is made to design a stabilizing, linear, feedback control law for a specific second order, linear system which contains time-varying uncertainties into both the state and input matrices and does not satisfy the matching conditions. For specific values of the uncertainty bounds this system is quadratically stabilizable but not quadratically stabilizable via linear control. / Master of Science

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