The problem of invariant output tracking is considered: given a control system admitting a symmetry group , design a feedback such that the closed-loop system tracks a desired output reference and is invariant under the action of . Invariant output errors are defined as a set of scalar invariants of ; they are calculated with the Cartan moving frame method. It is shown that standard tracking methods based on input-output linearization can be applied to these invariant errors to yield the required “symmetry-preserving” feedback.
Mots-clés : symmetries, invariants, nonlinear control, output tracking, decoupling
@article{COCV_2004__10_1_1_0, author = {Martin, Philippe and Rouchon, Pierre and Rudolph, Joachim}, title = {Invariant tracking}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {1--13}, publisher = {EDP-Sciences}, volume = {10}, number = {1}, year = {2004}, doi = {10.1051/cocv:2003037}, mrnumber = {2084252}, zbl = {1088.93016}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/cocv:2003037/} }
TY - JOUR AU - Martin, Philippe AU - Rouchon, Pierre AU - Rudolph, Joachim TI - Invariant tracking JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2004 SP - 1 EP - 13 VL - 10 IS - 1 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv:2003037/ DO - 10.1051/cocv:2003037 LA - en ID - COCV_2004__10_1_1_0 ER -
%0 Journal Article %A Martin, Philippe %A Rouchon, Pierre %A Rudolph, Joachim %T Invariant tracking %J ESAIM: Control, Optimisation and Calculus of Variations %D 2004 %P 1-13 %V 10 %N 1 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2003037/ %R 10.1051/cocv:2003037 %G en %F COCV_2004__10_1_1_0
Martin, Philippe; Rouchon, Pierre; Rudolph, Joachim. Invariant tracking. ESAIM: Control, Optimisation and Calculus of Variations, Tome 10 (2004) no. 1, pp. 1-13. doi : 10.1051/cocv:2003037. http://archive.numdam.org/articles/10.1051/cocv:2003037/
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