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Engine detection
The Hub uses AI to detect whether your engine is running, without an engine sensor and without a connection to the engine electronics, and writes "Engine on" and "Engine off" into the logbook. This way the logbook also knows whether you are motoring or, on sailing boats, sailing. Behind it stands a baseline model trained on many features of several boats. On your Hub it keeps learning locally and adapts to your boat with every engine entry you set yourself. Everything runs on board, without internet and without a subscription.
What you get
On board
- “Engine on” and “Engine off” with time in the logbook, whether your boat is under way or berthed.
- Type of trip in the logbook: If the engine starts while under way, “Motoring” follows; if it stops, “Sailing” follows (see Trip and berth detection).
- “Engine” filter in the logbook shows and hides the engine entries.
- Gets to know your boat: Every 8 hours, when your boat is berthed, the Hub retrains the model with your own engine entries and keeps the model that fits best.
- Detection status under Menu › “Hub Health” › “Engine detector”:
| Row | What it shows |
|---|---|
| “Baseline Model” | “Yes” as long as the pre-trained baseline model is still working |
| “Data points” | how many minutes the active model has learned |
| “Detection accuracy” | how well a model retrained on your boat hits, in percent |
| “Last training” / “Next training” | Date and time |
| “Log” | Training log (in English) |
Remotely
- If you connect the Hub to the cloud, you see the engine entries in the logbook, and so do your Boat Buddies.
How it works
Nothing to switch on. Detection runs as soon as the Hub is installed.
Improving the detection
- On board, connected to the Hub, enter yourself on a few trips when you start and stop the engine: ”+” › “Quick Entry” › “Engine on” or “Engine off”. “Motoring”, “Motor sailing” and “Sailing” also count.
- Enter the changes as completely as possible. If many are missing, the Hub does not use the trip for learning.
- Retraining happens when your boat is berthed and at least 3 hours of new trip have accumulated since the last training, with at least two sections in which the engine was running and off.
Removing a wrongly detected entry: swipe to the left under Menu › “Ship’s Log” and delete. Deleting alone teaches the model nothing, so you set the correct entry yourself.
Requirements
- A Smartboatia Hub, firmly installed. During setup the app advises: “Never install the Hub in the engine room”.
- You need no additional devices.
- No internet, no account, no subscription.
Permissions and subscription
- Subscription: fully usable without a subscription; the Standard subscription adds nothing extra.
- On board: Everyone connected to the Hub sees the entries, sets their own and opens the engine detector.
- Remotely: you and your Boat Buddies see the entries, entering is only possible on board.
Notifications
- No push notification for engine on or off.
- Prompt on board: Under Settings › System › “Detected logbook entries” the “Engine” category is switched on. The app then asks “‘Engine on’ detected!” with “Confirm” and “Deny”, but only for entries that are at most one minute old. Because engine entries are backdated by about 5 minutes, the prompt usually does not appear.
Messages and special cases
| Situation | What happens |
|---|---|
| New Hub, never an engine entry | After about 6 minutes at a standstill a first “Engine off” appears in the logbook |
| You deny a prompt | The entry is deleted, the model learns nothing from it |
| You enter the engine yourself | Your entry applies and counts at the next training |
| Too few entries of your own | No retraining, the baseline model stays active; recognisable because “Next training” keeps moving on |
The engine detector has no error messages of its own in the app.
Offline behaviour
- Detection and retraining run entirely on the Hub, without internet. If you connect the Hub to the cloud, the entries go there later; otherwise everything stays on your Hub, including the data about your engine.
- After a Hub restart, models and training status are kept. The Hub takes over the last engine state from the logbook, so no phantom entry appears; the first change again needs about 6 minutes.
Frequently asked questions
Do I need an engine sensor for the Hub to detect the engine?
No. The Hub uses AI to detect whether your engine is running, without an engine sensor and without a connection to the engine electronics, and writes "Engine on" and "Engine off" into the logbook. This runs on board, without internet and without a subscription.
How do I improve the detection?
On board, enter yourself on a few trips when you start and stop the engine, via "+" › "Quick Entry" › "Engine on" or "Engine off". Enter the changes as completely as possible; with every engine entry of your own the model on your Hub gets to know your boat better.
When does the Hub keep learning?
When your boat is berthed and at least 3 hours of new trip have accumulated since the last training, with at least two sections in which the engine was running and off. The Hub checks this every 8 hours.
Where do I see how well the detection works?
Under Menu › "Hub Health" › "Engine detector". Among other things it shows whether the baseline model is still working, the detection accuracy and when the last and the next training are.
How do I remove a wrongly detected entry?
Swipe it to the left in the logbook and delete it. For the model to learn from it, you also set the correct entry yourself.