Regular reduction of controlled Hamiltonian system with symplectic structure and symmetry

Details Regular reduction of controlled Hamiltonian system with symplectic structure and symmetry Regular reduction of controlled Hamiltonian system with symplectic structure and symmetry

2012-02-16

arxiv.org/abs/1202.3564v1

Mathematics

Symplectic Geometry

33 pages

Scientific paper

In this paper, our goal is to study the regular reduction theory of regular controlled Hamiltonian (RCH) systems with symplectic structure and symmetry, and this reduction is an extension of regular symplectic reduction theory of Hamiltonian systems under regular controlled Hamiltonian equivalence conditions. Thus, in order to describe uniformly RCH systems defined on a cotangent bundle and on the regular reduced spaces, we first define a kind of RCH systems on a symplectic fiber bundle. Then introduce regular point and regular orbit reducible RCH systems with symmetry by using momentum map and the associated reduced symplectic forms. Moreover, we give regular point and regular orbit reduction theorems for RCH systems to explain the relationships between RpCH-equivalence, RoCH-equivalence for reducible RCH systems with symmetry and RCH-equivalence for associated reduced RCH systems. Finally, as an application we regard rigid body and heavy top as well as them with internal rotors as the regular point reducible RCH systems on the rotation group $\textmd{SO}(3)$ and on the Euclidean group $\textmd{SE}(3)$, respectively, and discuss their RCH-equivalence. We also describe the RCH system and RCH-equivalence from the viewpoint of port Hamiltonian system with a symplectic structure.

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