| 摘要 |
PROBLEM TO BE SOLVED: To provide a drive circuit which reduces oil vibration during solenoid valve drive.SOLUTION: A solenoid valve control device includes: a solenoid valve drive circuit 53 for applying a pulse drive current to a solenoid valve; an operation state input unit 51 in which an operation state of an engine is inputted; a hydraulic pressure state determination unit 56 for determining a hydraulic pressure state on a solenoid valve output side; a storage unit 57 for storing a determination result of the hydraulic pressure state determination unit 56; and a drive condition setting unit 52 for setting a solenoid valve drive condition. An optimum drive frequency is set based on the condition of the storage unit 57 in driving.SELECTED DRAWING: Figure 3 |
