Towards sensorless observers for sinusoidal electric machines with variable speed and no mechanical model: A promising approach for PMSMs

A smooth Lyapunov function from a class-${\mathcal{KL}}$ estimate involving two positive semidefinite functions

Andrew R. Teel, Laurent Praly · ESAIM Control Optimisation and Calculus of Variations · 2000 · 291 citations · Full text

Natural Sciences, Mathematics, Derivatives +9

A unified framework for input-to-state stability in systems with two time scales

Andrew R. Teel, Luc Moreau · IEEE Transactions on Automatic Control · 2003 · 230 citations

Engineering, Mathematics, Systems Engineering +17

Estimation of Rotor Position and Speed of Permanent Magnet Synchronous Motors With Guaranteed Stability

Roméo Ortega, Laurent Praly, Alessandro Astolfi et al. · IEEE Transactions on Control Systems Technology · 2010 · 198 citations

Engineering, Electrical Engineering, Electric Machines +16

A nested Matrosov theorem and persistency of excitation for uniform convergence in stable nonautonomous systems

Elena Panteley, Dejan B. Popović, Andrew R. Teel · IEEE Transactions on Automatic Control · 2005 · 175 citations

Natural Sciences, Mathematics, Dynamical Systems +16

On the local linearization of differential equations

Philip Hartman · Proceedings of the American Mathematical Society · 1963 · 149 citations

Natural Sciences, Mathematics, Differential Equations +4