I replaced the firmware with a new one and tested it.
Itās a little hard to tell because the TPS threshold is set to 20%, but in the part where the knock count changes from 1 to 2 (4:50~4:51), I think the knock action status is ācondition not metā, but the count is increasing.
Where does this come from?
Also, the count up when starting the engine has not improved. (But this is not a critical issue.)
The count is independent on the actions settings. It registers all āknockā situations if the engine is running (emu state > cranking).
So maybe it is wise to use action setting for the knock count update. I need to think about it.
The explanation helped me understand the meaning of the parameters.
Personally I would like something to let me know when the knock has exceeded the threshold while the action is enabled.
However, that algorithm assumes that all the signals picked up by the knock sensor are (real) knocking.
In the case of V3ās knock retard, currently IgnitionRetard occurs according to the knock level regardless of the influence of engine noise (actually, it does not retard unless it exceeds a threshold).
Since we have EngineNoiseMap, shouldnāt we be able to determine whether itās noise or knocking there?
If the engine noise map is set to a relatively high level, I donāt think it can be avoided with the minimum retard.
Shouldnāt it be possible to generate IgnitionRetard according to the knock level from a value that exceeds the engine noise map?
If want to enable knock action with the current strategy, might be able to get a retard according to the sensing amount even if you set MaxIgnitionRetard to a relatively high value by setting the knock signal level as small as possible using Integrator and Gain and setting EngineNoiseMap to a value as close to zero as possible.
This strategy seems like it will work in my current environment, so Iāll give it a try.
However, this does not have a lot of freedom in setting, and if you cannot get the desired result (different engine, knock sensor, etc.), I think it will be very difficult to adjust.
(This is an automatic translation by Google. There may be some strange expressions.)
I thought the ignition retard strategy after knock sensing should be like 2 below, but currently it is 1 and it seems that the engine noise map is only the threshold for whether to actually retard or not.
Is there any reason for this?
KnockIgnCorrection = Proportional to Knocksensor signal level
KnockIgnCorrection = Proportional to (Knocksensor signal level - EngineNoiseLV)
With strategy 1, it seems that it is not possible to achieve a small retard in the event of minor knocking in a situation where there is a certain amount of engine noise.
Hi Gents, when decelerating, where is the option to switch off the injectors or cut the fuel? Under deceleration, AFR goes to 10 AFR, not switching off.
Just wanting to point out that the ignition timing for predefined triggers āBMW e36 M52b20 M54ā is incorrect. Currently Stating firing order is 1-5-3-4-2-6 when it is suppose to be 1-5-3-6-2-4
Thanks, bud. I just tested this; it activated the overrun strategy.
Sometimes when i come to a stop the car dies .Starts right up and does it again only when i stop. When cold it doesnt do this. AFR is 13.7 on idle .I am stumped Thanks, bud. I just tested this; it activated the overrun strategy.
Sometimes when I come to a stop, the car dies. It starts right up and does it again only when I stop. When cold, it doesnāt do this. AFR is 13.7 on idle. I am stumped.
āI noticed in the logs that the vehicle speed is not displaying correctly. However, when I select the speed of any individual wheel, it shows the correct value.ā
This course is at a high altitude (91 Baro).
I should also mention in advance that my vehicle is currently having problems with the water temperature and intake temperature.
As I pointed out before, when looking at the log, there is indeed a difference on the time axis between the peak position on the graph and the peak display displayed in the Log window.
Furthermore, even though high values āāare entered for KnockVoltagePeak 1 and 2, knock is only detected in Cyl2.