Patent ID: 7400960
Filing Date: 2008-07-15
Classification: F16H,Y10T

Abstract:
1. An abnormality detecting apparatus for an automatic speed changer, comprising: a speed change controlling means for controlling the automatic speed changer; a learn controlling means for optimizing a rpm change at the time of speed change control by said speed change controlling means; an abnormality detection controlling means which judges whether a learned value of said learn controlling means falls within a range between an upper limit and a lower limit and if the learned value falls out of the range, and stores the condition as abnormal; and a learned value record controlling means for counting up a learn execution number counter when learn control is executed by said learn control means, judging whether there is a change in the learned value and judging a change direction when the learned value is changed, storing the counted value of the learn execution number counter and the learn direction.