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wiki unification

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rusefi 2019-12-30 10:37:44 -05:00
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overview/FSIO/FSIO.md Normal file
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![img](FSIO_for_idle_target.png)
See [legacy wiki](https://rusefi.com/wiki/index.php?title=Manual:Flexible_Logic)

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rusEfi is an open source engine control unit.
rusEfi has following features
1. batch and individual injection on 1, 2, 3, 4, 5, 6, 8 and 12 cylinder gasoline engines.
2. wasted and sequential ignition on the abovementioned engines.
3. [Acceleration enrichment - wall wetting/fuel trip/tau factor.](wall_wetting)
As of Jan 2019 rusEfi does not have following features:
1. rusEfi was never used on diesel engines
2. rusEfi has no support for direct injection
3. even with FSIO, rusEfi has never controlled an automatic transmission

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overview/wall_wetting/wall_wetting.md Normal file
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todo: more explanation of what this is all about
![config](ww_sample_config.jpg)
![log](ww_log.jpg)
This is about 1 second worth of log, during a 2-3-4 shift at low-ish RPM, but near wide open throttle. Worst case scenario for AE!
The yellow trace on the top graph, AfrRatio, is a ratio of target vs. actual. If the engine is lean, it goes below 1, and rich above 1. Graph is scaled to +-20%. I'm using this because my actual AFR target varies from 14.7 all the way down to around 11.5. This swing causes the AFR signal to look like the ECU is doing a poor job, when in fact the setpoint is moving by nearly 30%.
There's a bit of a spike rich-then-lean during the shifts, but it's not bad (results in a nice burble out of the exhaust :lol:), and resolves once back on the throttle. Some of this is caused by the phase shift between the AFR target and measured AFR, but some of it is real.
[Sample log](2019-01-01_19_modified.msl)
Based on [https://rusefi.com/forum/viewtopic.php?f=5&t=1481](https://rusefi.com/forum/viewtopic.php?f=5&t=1481)

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triggers/weird_file_work_in_progress.md Normal file
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|ID|# of strokes| # of cam | # of crank | shape | | |
|---|---|---|---|---|---|---|
|0_1E(xact)|4 strokes | 0 | 1 | exact angles known to rusEfi since shape is so simple| | z |
|1E_0|4 strokes | 1 | 0 | exact angles known to rusEfi since shape is so simple - 1/0 pattern or well-known signal with gap ratio| |z |
|1U(known)_0|4 strokes | 1 | 0 | exact angles NOT known - distributor 4/0 pattern for example, works with one coil | |z |
|1U_1E|4 strokes | 1 | 1 | relative cam position is not exactly known to rusEfi, exact cam position does not really matter or could be even variable like VVT | | z |
|1E_1E|4 strokes | 1 | 1 | exact angles known to rusEfi (Neon 1995) | | z |
|2E_0|4 strokes| 2 | 0 | exact angles known to rusEfi (Miata NA) | | |
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