Division 3.3 Selection of possible gears with respect to engine speedF1
The following gears may be selected for driving the speed trace at vj:
- (a)
All gears i < ngvmax where nmin_drive ≤ ni,j ≤ nmax1;
- (b)
All gears i ≥ ngvmax where nmin_drive ≤ ni,j ≤ nmax2;
- (c)
Gear 1, if n1,j < nmin_drive.
If aj < 0 and ni,j ≤ nidle, ni,j shall be set to nidle and the clutch shall be disengaged.
If aj ≥ 0 and ni,j < max(1,15 × nidle; min. engine speed of the Pwot(n) curve), ni,j shall be set to the maximum of 1,15 × nidle or (n/v)i × vj and the clutch shall be set to ‘undefined’.
‘undefined’ covers any status of the clutch between disengaged and engaged, depending on the individual engine and transmission design. In this case the real engine speed may deviate from the calculated engine speed.