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#9
28-12-2013, 10:22
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Re: Gearbox friction model
This is where you use efficiency:
OutputTorque = Efficiency*InputTorque*GR Speed is indirectly affected by efficiency since the % of max torque will be higher in an inefficient system, which slows the motor speed. This is how you calculate it: InputTorque = OutputTorque/(Efficiency*GR) %Torque = InputTorque/StallTorque OutputSpeed = (1-%Torque)*FreeSpeed Using a blanket fudge factor isn't going to behave properly, particularly if your % of max torque is high. |
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