Modelling and Experimental Study on Active Energy-Regenerative Suspension Structure with Variable Universe Fuzzy PD Control

Table 5

Self-powered efficiency.

Random road	Pr(W)	Pa(W)	Pd(W)	/%	SPE/%
B-class	5.14	45.80	27.41	18.75	11.22
C-class	70.26	596.29	378.49	18.56	11.78
D-class	298.65	2595.31	1625.83	18.37	11.51

The energy-regenerative efficiency is the ratio of the ERP to DDP.