Study on Braking Energy Recovery Control Strategy for Four-Axle Battery Electric Heavy-Duty Trucks

Figure 18

Simulation results under CHTC-D condition. Battery SOC in (a) the unloaded state, (c) the loaded state, and (e) the overloaded state. Regenerative braking torque on the equivalent rear axle in (b) the unloaded state, (d) the loaded state, and (f) the overloaded state.

(a)

(b)

(c)

(d)

(e)

(f)