Ravigneaux Actuation (4-Speed) - MapleSim Help

Ravigneaux Actuation (4-Speed)

Clutch Arrangement for a 4-Speed Ravigneaux Gearbox

The Ravigneaux Actuation component is intended for use with a Ravigneaux Gear (see Ravigneaux Gear). The internal structure of this component is shown below. The combination of the clutches and the activation table, enables the user to easily create a 4-Speed Ravigneaux Gearbox.

Internal Structure

Connections

 Name Condition Description ID $\mathrm{drive}$ - Drive shaft Flange drive - Small Sun flange (to be connected to small sun flange of a Ravigneaux Gear) small_sun $\mathrm{carrier}$ - Carrier flange (to be connected to carrier flange of a Ravigneaux Gear) sun - Large sun flange (to be connected to large sun flange of a Ravigneaux Gear) large_sun - Integer input for the gear number. $-1\le N\le 4$ (-1: Revese, 0: Neutral, 1,2,3,4: Forward) GearNo

Parameters

 Symbol Condition Default Units Description ID $J$ - $0.0001$ $\mathrm{kg}\cdot {\mathrm{m}}^{2}$ Added inertia to Clutch components. J - $-$ A 6 by 6 clutch actuation table. first column is for the gear numbers (not used) ordered from -1 (reverse) to 4 (forth gear). Zeroth gear designates neutral. table Clutch Parameters See Clutch componet for the description of the clutch parameters.



Clutch Table

 Gear \ Clutch A B C D E $-1$ $0$ $0$ $1$ $1$ $0$ $0$ $0$ $0$ $0$ $0$ $0$ $1$ $0$ $1$ $0$ $1$ $0$ $2$ $0$ $1$ $0$ $0$ $1$ $3$ $1$ $1$ $0$ $0$ $0$ $4$ $1$ $0$ $0$ $0$ $1$