An Improved Recursive Total Least Squares Estimation of Capacity for Electric Vehicle Lithium-Iron Phosphate Batteries

Figure 5

Estimated capacity from the VFF-RTLS and the other three algorithms using experimental data: (a) experimental current profile for one cycle; (b) whole current profile; (c) estimated SOC; (d) estimated capacity; (e) estimation error as a percentage.

(a)

(b)

(c)

(d)

(e)