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We study discrete breathers in prototypical nonlinear oscillator networkssubjected to non-harmonic zero-mean periodic excitations. We show how thegeneration of stationary and moving discrete breathers are optimally controlledby solely varying the impulse transmitted by the periodic excitations, whilekeeping constant the excitation's amplitude and period. Our theoretical andnumerical results show that the enhancer effect of increasing values of theexcitation's impulse, in the sense of facilitating the generation of stationaryand moving breathers, is due to a correlative increase of the breather's actionand energy.

Impulse-induced generation of stationary and moving discrete breathers in nonlinear oscillator networks