ELECTRONIC CONTROL UNIT THAT PERFORMS A LIFE-EXTENDING CONTROL, AND A VEHICLE CONTROL SYSTEM THAT INCLUDES THE ELECTRONIC CONTROL UNIT

摘要

An electronic control unit has a main controller that controls a drive of an actuator and a life-extending control instruction section that requests the main controller to change a drive condition of the actuator. The life-extending control instruction section includes a failure estimator that updates and outputs a failure rate based on a state of a control object, a life-extending control database that stores a failure rate reduction control of a monitoring object including the actuator, which reduces the failure rate of the monitoring object, when a failure of the monitoring object is estimated, and a control selector that searches the life-extending control database and selects a candidate control based on the failure rate of the monitoring object outputted from the failure estimator. The control selector requests the main control section to perform a life-extending control that changes an operation condition of the actuator.

主权项

1. An electronic control unit controlling a drive of an actuator that is disposed on a control object, the electronic control unit comprising:
a main controller that is configured to control the drive of the actuator based on a state of the control object; a life-extending control instruction section communicably connected with the main controller and configured to request the main controller to change a drive condition of the actuator, wherein the life-extending control instruction section includes:
a failure estimator configured to (i) having a failure estimation model to compute a failure rate of a monitoring object that includes the actuator and (ii) updating and outputting the failure rate based on the state of the control object;a life-extending control database configured to store a failure rate reduction control, the failure rate reduction control configured to reduce the failure rate of the monitoring object that is disposed in the control object; anda control selector configured to search the life-extending control database for failure rate reduction control candidates, and select at least one of the failure rate reduction control candidates as the failure rate reduction control based on the failure rate of the monitoring object outputted from the failure estimator, and the control selector requests the main controller to perform a life-extending control that changes an operation condition of the actuator, based on the selected failure rate reduction control, when the failure rate of the monitoring object exceeds a preset threshold.