Effects of Mechanical and Electrical Topologies on Piezoelectric Stacked Energy Harvesting in Vehicle Suspensions

Table 2

Electrical topology experimental data.

Topology method (four piezoelectric elements)	Load resistance (kΩ)	Peak-to-peak voltage (V)	(mW)
Topology 1	26	47.686	87.459
	75	44.128	25.964
	130	76.947	45.545
	410	110.166	29.601
Topology 2	26	47.398	86.407
	75	54.859	40.127
	130	68.341	35.927
	410	55.35	7.472
Topology 3	26	27.433	28.945
	75	22.204	6.574
	130	21.389	3.519
	410	23.657	1.365
Topology 4	26	40.301	62.468
	75	52.504	36.756
	130	39.905	12.249
	410	36.889	3.319