Research Article

Research on Online Capacity Estimation of Power Battery Based on EKF-GPR Model

Table 2

Capacity estimation accuracy of the proposed method.

CycleNo. 1No. 2No. 3No. 4No. 5

1000.77%0.95%2.22%1.87%0.68%
2001.21%1.24%1.54%1.29%1.89%
3003.13%1.57%3.55%3.45%3.11%
4003.4%2.57%2.11%5.87%3.27%
5001.75%3.86%1.87%3.45%2.41%
6002.85%1.73%3.65%3.22%3.57%
7003.42%1.96%4.98%2.74%1.45%
8003.34%2.89%2.45%2.44%2.99%
9004.93%3.86%4.56%5.21%4.21%
10006.33%6.21%6.98%6.41%6.85%