摘要：Thi. paper deals wi.h the desi.n, modeli.g and analysi. of i.plementi.g a Multi.ayer Pi.zoelectri. Vi.rati.n Energy Harvesti.g (ML PZT VEH) Mechani.m i. the vehi.le suspensi.n. The pri.ci.le of work of the proposed ML PZT VEH mechani.m i. reduci.g the relati.e moti.n of the suspensi.n, ampli.yi.g the appli.d force to the PZT by a speci.i. desi.n of mechani.m and combi.i.g a si.gle layer PZT i.to multi.ayer PZT to i.crease the produced electri.i.y. To mai.tai. the performance of suspensi.n as the ori.i.al suspensi.n, the ML PZT VEH mechani.m i. mounted i. seri.s wi.h the spri.g of the suspensi.n. The proposed ML PZT VEH mechani.m and i.s i.plementati.n to the vehi.le suspensi.n were mathemati.ally modeled. Responses of the vehi.le before and after i.plementi.g ML PZT VEH mechani.m were si.ulated. The results show the proposed mechani.m can produce output voltage of 2.75 and power of 7.17 ti.es bi.ger than di.ect mounti.g to the vehi.le suspensi.n. And the si.ulati.n result shows that mounti.g ML PZT VEH mechani.m i. seri.s wi.h the spri.g of the vehi.le suspensi.n does not change the performance of suspensi.n.