Torque Converter

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General information about Torque Converter

Torque Converter model is defined as a device that multiply torque, which transmit power from the impeller or pump to the turbine via fluid movement.

Module

TorqueConv.jpeg

Bus Selector for module input

TorqueConvbus.png

Module output

Output
Node Variable Label Description Unit
Sensor ωt TC_nTurbineAct_radps Turbine speed rad/s
Mout TC_tqTurbinAct_Nm Turbine torque Nm
ωp TC_nPumpAct_radps Pump speed rad/s
Min TC_tqPumpAct_Nm Pump torque Nm
mech out [Nm] Mout phys_torque_Nm torque Nm
Jout phys_inertia_kgm2 inertia kgm2
mech fb out [rad/s] ωp phys_speed_radps rotational speed rad/s

Module Parameter

Variable Parameter Description Unit
dat.inertia.in.value Torque converter input side inertia kgm2
dat.inertia.out.value Torque converter output side inertia kgm2
dat.clutch.actuator.timeconstatnt.value Lock-up clutch actuator timeconstant
dat.clutch.speedtolerance.value Speed tolerance for slipping lock-up clutch rad/s
dat.clutch.maxtorque.value Maximum torque transmitted by lock-up clutch Nm
dat.clutch.threshold.value Lock-up clutch threshold value
dat.clutch.tanh.value Lock-up clutch actuation coefficient for smoothing clutch model
dat.characteristics.speedratio.vec Torque ratio = f(speed ratio)
Input torque = f(speed ratio)
-
dat.characteristics.torqueratio.value -
dat.characteristics.inputtorque.vec Nm
dat.characteristics.refspeed.value Reference input speed for input torque characteristics rad/s
dat.characteristics.loss.speed.value Torque loss at locked lock-up clutch = f(speed) rad/s
dat.characteristics.loss.torque.vec Nm