Palavra-chave: BIFURCATION

REACTIVE POWER CONTROL CYCLE NORMAL FORM STABILITY FOLD-FOLD DISCONTINUOUS VECTOR FIELD VERSAL UNFOLDING VECTOR FIELD POWER GENERATION CONTROL SINGULARITY NONSMOOTH DYNAMICAL SYSTEMS REFRACTIVE VECTOR FIELD NON-SMOOTH VECTOR FIELDS LOOP FIRST INTEGRAL VOLTAGE CONTROL HAMILTONIAN SHILNIKOV PROBLEM REGULARIZATION STRUCTURAL STABILITY DIFFEOMORPHISM ASYMPTOTIC STABILITY CLOSED ORBIT PERIODIC ORBIT CENTER POWER SYSTEM DYNAMIC STABILITY LIMIT CYCLE FILIPPOV SYSTEMS AVERAGING