Powertrain Matching and Optimization of Dual-Motor Hybrid Driving System for Electric Vehicle Based on Quantum Genetic Intelligent Algorithm

Table 4

Compared parameters before and after optimization.

Parameter	Original	Optimized
Motor
Motor A rated power/kW	17.6	16.8
Motor A peak power/kW	35.2	35.6
Motor A rated speed/r/min	2536	2455
Motor A maximum speed/r/min	6078	7569
Motor A peak torque/Nm	132.54	138.47
Motor B rated power/kW	14.3	14.5
Motor B peak power/kW	30.5	31.7
Motor B rated speed/r/min	2498	2593
Motor B maximum speed/r/min	5964	6579
Motor B peak torque/Nm	116.59	116.74
Powertrain
Planetary gear parameters	3.2	3.5
Final ratio	2.5	3.6
Battery
Nominal capacity/Ah	63.53	56.11