| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of change of a current on a solenoid driving stage output at the same timing as a voltage drawn to a driver circuit which drives a solenoid in switching the drive of the solenoid, in an electronic control device provided with a plurality of solenoid driving circuits.SOLUTION: A correction coefficient is calculated from a target current value and a monitor current flowing in a solenoid valve by using the monitor current used in controlling drive of the solenoid valve in correction, to correct a drive control signal, thus change of a control current can be suppressed even when a voltage of the solenoid drive circuit output at the same timing is lowered due to the fact that the voltage is drawn to a driver circuit which drives the solenoid, in switching the drive of the solenoid in an electronic control device provided with the plurality of solenoid drive circuits. |
