MotionView User's Guide

Ideal Steer Angle

Ideal Steer Angle

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Ideal Steer Angle

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Branch ID: 280

Request Number: 50000280

Description: Ideal Steer Angle

Component

Unit

Comment

1 (X): Ideal Steer Angle

deg

The outside wheel steer angle required to produce a turn radius equal to the turn radius produced by the inside wheel steer angle.  It is calculated with the following equations:

When the Vehicle is Steering Right

inner = (right toe-in)/rtod

turn radius = track/2-(wheel base)/tan(inner)

ideal steer angle = -atan((wheel base)/ ((turn radius)+track/2))*rtod

When the Vehicle is Steering Left

inner = -(left toe-in)/rtod

turn radius = track/2+(wheel base)/tan(inner)

ideal steer angle = -atan((wheel base)/ ((turn radius)+track/2))*rtod

2 (Y): Not Used

Not Used

Not Used

3 (Z): Not Used

Not Used

Not Used

4 (RX): Not Used

Not Used

Not Used

5 (RY): Not Used

Not Used

Not Used

6 (RZ): Not Used

Not Used

Not Used

See Also:

List of SDF Parameter Definitions