Continuous Variable Transmission
From OpenMBD
< SIMarchitect Library Overview | Component library | Powertrain | Mechanical Powertrain Components
Contents
General information about Continuous Variable Transmission
The Continuously Variable Transmission (CVT) represents a mechanical transmission that allows any gear ratio between a defined upper and lower limit.
Module
Bus Selector for module input
Module output
| Output | ||||
|---|---|---|---|---|
| Node | Variable | Label | Description | Unit |
| Sensor | rCVT | CVT_ratGearAct_Rt | Gear ratio | - |
| ωin | CVT_nInAct_radps | CVT input speed | rad/s | |
| ωout | CVT_nOutAct_radps | CVT output speed | rad/s | |
| mech out [Nm] | Mout | phys_torque_Nm | torque | Nm |
| Jout | phys_inertia_kgm2 | inertia | kgm2 | |
| mech fb out [rad/s] | ωin | phys_speed_radps | rotational speed | rad/s |
Module Parameter
| Variable | Parameter | Description | Unit |
|---|---|---|---|
| JCVT | dat.inertia.value | Inertia | kgm2 |
| 𝛕CVT | dat.timeconstant.unit | CVT time constant | |
| ηCVT | dat.mechefficiency.speed.value | CVT mechanical efficiency = f(speed,torque,gear ratio) | rad/s |
| dat.mechefficiency.torque.value | Nm | ||
| dat.mechefficiency.ratio.value | - | ||
| dat.mechefficiency.efficiency.map | - |
