Fig. 12: Relation between the frequency of the 3.68 m.s-2 base excitation and and a) power from piezoelectric patched, b) power from electromagnetic coils, c) phase portrait. 5 6 7 8 9 10 -5 10 -4 10 -3 10 -2 10 -1 base excit. freq. (Hz) PZT power (Watt) a b =3.6807 m.s -2 small amplitude Limit Cycle chaos 5 6 7 8 9 10 -6 10 -5 10 -4 10 -3 base excit. freq. (Hz) EM power (Watt) a b =3.6807 m.s -2 small amplitude Limit Cycle chaos -0.04 -0.02 0 0.02 0.04 -1 0 1 5 6 7 8 9 base accel. (m.s -2 ) a b =3.6807 m.s -2 xt (m) vt (m.s -1 ) 5 6 7 8 9 10 -5 10 -4 10 -3 10 -2 10 -1 base excit. freq. (Hz) PZT power (Watt) a b =4.4168 m.s -2 small amplitude Limit Cycle chaos 5 6 7 8 9 10 -6 10 -5 10 -4 10 -3 base excit. freq. (Hz) EM power (Watt) a b =4.4168 m.s -2 small amplitude Limit Cycle chaos 475
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