Table 2 The vehicle parameters and working conditions.
From: Research on shifting process control of automatic transmission
Item | Conditions | Item | Conditions |
|---|---|---|---|
Engine manufacturer | Dongfeng Cummins engine | Rear gear ratio | 6.272 |
Engine type | ISDe300 | Rear transmission efficiency | 95% |
Engine maximum power | 220Â kW | Wheel reducer speed ratio | 3.478 |
Engine maximum torque | 680Â Nm | Tire radius | 450Â mm |
Idling speed | 800Â rpm | Windward area | 4.8m2 |
Oil temperature | 80–95℃ | Aerodynamic drag coefficient | 0.75 |
Line pressure | 10–20 bar | Rolling resistance coefficient | 0.015 |
Road | Undulating concrete road | Vehicle mass | 6.3t |
