Type of Document Dissertation Author Cardetti, Fabiana Author's Email Address firstname.lastname@example.org URN etd-0711102-152933 Title On Properties of Linear Control Systems on Lie Groups Degree Doctor of Philosophy (Ph.D.) Department Mathematics Advisory Committee
Advisor Name Title Guillermo Ferreyra Committee Chair Gestur Olafsson Committee Member Jimmie Lawson Committee Member Robert Perlis Committee Member William Adkins Committee Member Young Hak Chun Dean's Representative Keywords
- geometric control theory
Date of Defense 2002-07-10 Availability unrestricted AbstractIn this work we study controllability properties of linear control systems on Lie groups as introduced by Ayala and Tirao in [AT99]. A linear control system Σ Lie group G is defined by
x' = X(x) + Σkj=1 ujYj(x),
where the drift vector field X is an infinitesimal automorphism, uj are piecewise constant functions, and the control vectors Yj are left-invariant vector fields. Properties for the flow of the infinitesimal automorphism X and for the reachable set defined by Σ are presented in Chapter 3. Under a condition similar to the Kalman condition which is needed for controllability of linear control systems on Rn, Ayala and Tirao showed local controllability of the system Σ at the group identity e. An alternate proof of this result is obtained using the Lie theory of semigroups. More importantly, an extension of this result is proved. These results are contained in Chapter 4. Finally, in Chapter 5 an example on the Heisenberg Lie group is presented and its properties are proved using the theory developed.
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