Re: steering angle

Aug 16, 2011 12:32:22 PM, [email protected] wrote:

Hey,

does anyone know how I get the real steering angle of car?
I don't mean the control variable.

Thanks!

Regards
Torben

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If you know (a) = the wheelbase and you know (b) = the turning radius
you draw a right-angle triangle where the hypotenuse
is (c) = square-root(a*a + b*b).
Law of sines:
sine(A)/a = sine(C)/c
sine(A) = a*sine(C)/c
sine(A) = a*sine(90)/c
sine(A) = a*1.0/c
sine(A) = a/c
Angle A in degrees:
A = arcsine(a/c)
Answer:

A = arcsine(a/square-root(a*a +b*b))

David


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