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Dynamic Equations governing CVT behavior

a driveshaft

= Acceleration of the driveshaft – proportional to vehicle accel.

R

= CVT ratio or engine speed/driveshaft speed

R dot

= CVT ratio rate

I driveshaft

= vehicle inertia reflected to the driveshaft or CVT output

Ie

= Engine or CVT input inertia

T

e

= Engine input torque to the CVT

T

= CVT losses transferred to the output shaft

driveshaft

here:

R Ie

  • Tdrag

e o s s e s e e T R T Ie R2 Idriveshaft

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