Retarder

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General information about Retarder

Retarder is modeled with a simple torque loss which has dependency on speed as the effectiveness of retarder decreases with speed.

Module

Retarder.jpeg

Bus Selector for module input

Retarderbus.png

Module output

Output
Node Variable Label Description Unit
Sensor Mloss Ret_tqBrkAct_Nm Retarder brake torque Nm
mech out [Nm] Mout phys_torque_Nm torque Nm
Jout phys_inertia_kgm2 inertia kgm2
mech fb out [rad/s] ωout phys_speed_radps rotational speed rad/s

Module Parameter

Variable Parameter Description Unit
JRetarder dat.inertia.value Inertia kgm2
dat.braketorque.speed.value Retarder maximum brake torque map = f(speed) rad/s
dat.braketorque.torque.vec Nm