Trajectory generation for quantum systems based on Lyapounov techniques

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Abstract

The convergence of a Lyapounov based control of the Schrodinger equation (finite dimensional) is analyzed via Lasalle invariance principle. When the linear tangent approximation around the goal eigen-state is controllable, such a feedback ensures global asymptotic convergence. When this linear tangent system is not controllable, the stability of the closed-loop system is not asymptotic. To overcome such lack of convergence we propose a modification based on adiabatic invariance. Simulations illustrate the simplicity and also the interest of these Lyapounov based controls for trajectory generation. Such control methods can also be adapted to tracking.

Original languageEnglish
Pages (from-to)291-296
Number of pages6
JournalIFAC-PapersOnLine
Volume37
Issue number13
DOIs
Publication statusPublished - 1 Jan 2004
Externally publishedYes
Event6th IFAC Symposium on Nonlinear Control Systems, NOLCOS 2004 - Stuttgart, Germany
Duration: 1 Sept 20043 Sept 2004

Keywords

  • Adiabatic invariant
  • Control lyapounov function
  • Lasalle's invariant set
  • Nonlinear systems
  • Quantum systems

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