System Block Diagram
WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
Detect and estimate the following by loading images of the driver using an infrared camera.
| Driver monitoring system detection item | Vehicle operation | |
|---|---|---|
| Estimate unsafe behaviors of the driver, and inform the driver and the fellow passenger. | Closed eyes • drowsiness | Dozing • drowsiness alarm |
| Audio mute | ||
| Inattention detection | Inattention alarm (DMS alone) | |
| Inattention alarm (EyeSight linkage) | ||
| Recognize individual persons and automatically change to usual settings. | Personal recognition | Seat personalize |
| Combination meter personalize | ||
| Mirror personalize | ||
| Cockpit control module personalize | ||
| A/C personalize | ||
| Main CPU | High-performance processor that processes personal recognition, inattention detection and dozing detection according to the input image from camera |
| Sub CPU | Processor that controls send/receive of CAN data |
| CAN transceiver | IC that provides physical IF between the CAN bus |
| CAMERA MODULE | Module that takes and outputs images to Main CPU as 12 bit data in the driver monitor unit |
| LED | Expose the infrared light based on the timing signal from the camera module |
| Thermistor | Measure temperature inside the driver monitor unit |