METHOD AND DEVICE FOR DETECTING JAMMING OF CLUTCH PACK AND HYDRAULIC CONTROL DEVICE FOR CLUTCH PACK

摘要

PROBLEM TO BE SOLVED: To detect jamming of a clutch pack with using an existing current sensor detecting current flowing in a solenoid coil without newly providing a processing circuit for filtering. SOLUTION: Current value flowing in a solenoid coil is detected (100). Peak-to-peak value indicated by difference between the maximum value and the minimum value of each cycle of alternative current component of detected current value is calculated (104). Clutch pack jamming of the clutch pack is detected by comparing the calculated peak-to-peak value and a predetermined threshold value (106). COPYRIGHT: (C)2006,JPO&NCIPI