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

Table 3

Main parameters of the BET.

Item	Parameter	Value
Vehicle	Mass (kg)	45000 (overloaded)/31000(loaded)/14500 (unloaded)
	Wheelbase (m)
	Height of the center of gravity (m)	1.8 (overloaded and loaded)/1.4 (unloaded)
	Distance between the first axle and the center of gravity (m)	4.1 (overloaded and loaded)/3.4 (unloaded)
Transmission	Gear ratio	6.5/4.0/2.1/1
Main reducer	Gear ratio	5.7
Motor	Maximum torque (N·m)	2500
	Maximum power (kW)	360
Battery	Capacity (A·h)	645
	Nominal voltage (V)	615