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About Settings for SCCA Motor Functions
The parameters of an SCCA function are defined as follows:
A= Fraction of normalized time for increasing acceleration
B= Fraction of normalized time for constant acceleration
C= Fraction of normalized time for decreasing acceleration
where
A + B + C = 1
You must provide values for A and B, as well as the amplitude and period of the SCCA profile.
H = Amplitude
T = Period
The value of the SCCA setting is computed as shown in the following table:
 y = H * sin [(t*pi)/(2*A)] for 0 <= t < A y = H for a <= t < (A + B) y = H * cos [(t – A – B)*pi/(2*C)] for (A+B) <= t < (A + B + 2C) y = –H for (A+B+2C) <= t < (A + 2B + 2C) y = –H * cos [(t – A –2B –2C)*pi/(2*A)] for (A+2B+2C) <= t <= 2*(A + B + C)
where t is the normalized time and is computed by t = t_a * 2 / T
where t_a= Actual time and T= Period of the SCCA profile.
The profile repeats itself if the actual time is longer than the period of the SCCA profile.