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Title: Bosch EV6 TVUB Post by: antoffka666 on October 28, 2016, 05:58:31 AM Hello ! You can help calculate KRKTE and TVUB for (0280156023) 373.1 cc 3 bar EV6 , AWT K04 Chip 4 bar .
Title: Re: Bosch EV6 TVUB Post by: nyet on October 28, 2016, 10:29:39 AM TVUB can't be calculated. You can only get it from the injector spec sheet.
Even if you have access to a flow bench, it is hard to DIY measure. Title: Re: Bosch EV6 TVUB Post by: antoffka666 on October 29, 2016, 02:30:30 AM My stok TVUB for 0280156065 271cc@3bar 12 Om
7.96 10.00 11.97 14.01 15.98 1.8776 1.0855 0.6854 0.4374 0.2667 My new 0280156023 373 сс@3bar 15.7 Om KRKTE stok 0.104784 new 0.076035 Were look injector spec sheet from TVUB ? Title: Re: Bosch EV6 TVUB Post by: nyet on October 29, 2016, 09:43:16 AM You tell me. Where are the injectors from?
Title: Re: Bosch EV6 TVUB Post by: antoffka666 on October 29, 2016, 11:18:44 AM You tell me. Where are the injectors from? I'm sorry that I can not understand something, I use Google translator, I just do not understand how to find the settings for 0280156023 TVUB, and what they do. Title: Re: Bosch EV6 TVUB Post by: vwaudiguy on October 29, 2016, 12:44:29 PM I'm sorry that I can not understand something, I use Google translator, I just do not understand how to find the settings for 0280156023 TVUB, and what they do. These values are provided by the manufacturer of the injectors. Contact the manufacturer. Title: Re: Bosch EV6 TVUB Post by: nyet on October 29, 2016, 02:35:28 PM Alternately, if they came in a car that you can get an ECU bin for, you can copy the TVUB values over (if the FPR is the same).
If the FPR is different, you will need to get the spec sheet from the manufacturer to know how to compensate. Title: Re: Bosch EV6 TVUB Post by: antoffka666 on October 30, 2016, 03:46:09 AM It is clear, that is, I need to find where the ECU firmware nominally nozzles are 0280156023 and from there take the values . Thank you.
Now I'm worried about this problem screenshots 1 . Is it possible to fix FKKVS map? Title: Re: Bosch EV6 TVUB Post by: nyet on October 30, 2016, 12:48:54 PM Get ME7Logger working.
Title: Re: Bosch EV6 TVUB Post by: ANDR on October 31, 2016, 02:09:29 AM My stok TVUB for 0280156065 271cc@3bar 12 Om http://nefariousmotorsports.com/forum/index.php?topic=1278.07.96 10.00 11.97 14.01 15.98 1.8776 1.0855 0.6854 0.4374 0.2667 My new 0280156023 373 сс@3bar 15.7 Om KRKTE stok 0.104784 new 0.076035 Were look injector spec sheet from TVUB ? Title: Re: Bosch EV6 TVUB Post by: antoffka666 on October 31, 2016, 04:44:55 AM Thank you B234R , just found his post.
Here is the latency data you need for those injectors (Bosch 0280156023) 6V -> 3,80 ms 7V -> 2,95 ms 8V -> 2,33 ms 9V -> 1,93 ms 10V -> 1,62 ms 11V -> 1,39 ms 12V -> 1,20 ms 13V -> 1,05 ms 14V -> 0,92 ms 15V -> 0,82 ms Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 01, 2016, 10:04:21 PM There is another problem, when i try to change the values TVUB and after flashing, the ECU is identified erroneously and the car will not start.
AWT TVUB - 0x13EAC My XDF and flash http://nefariousmotorsports.com/forum/index.php?topic=10336.0title= Help please ((( Title: Re: Bosch EV6 TVUB Post by: nyet on November 01, 2016, 10:28:31 PM did you fix checksums before flashing?
I don't see the bin you flashed anywhere Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 01, 2016, 10:34:40 PM did you fix checksums before flashing? I don't see the bin you flashed anywhere Bin in first message http://nefariousmotorsports.com/forum/index.php?topic=10336.0title= http://nefariousmotorsports.com/forum/index.php?action=dlattach;topic=10336.0;attach=19903 checksums immediately after the correction. has been corrected file Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 02, 2016, 10:38:14 PM Solved a problem with the ECU identification, now engine starts with the corrected TVUB , the problem was in the checksum, while IronFelix did not see a problem , WinOLS proposed to correct checksum but after setting changes , and all was well .
Now I have entered the parameters TVUB of the above post , and corrected KRKTE , but now fuel correction in vsds 32 group It was to be (add 0.8% , mult 18.8% ) too much difference , I think that the above reported parameters are wrong or I have wrong a bit map . Title: Re: Bosch EV6 TVUB Post by: turekdzik on November 03, 2016, 10:15:05 AM Hi maybe somone got tvub for 0280156012 ?
Title: Re: Bosch EV6 TVUB Post by: vwaudiguy on November 03, 2016, 11:45:14 AM Hi maybe somone got tvub for 0280156012 ? Did you read this thread? Title: Re: Bosch EV6 TVUB Post by: turekdzik on November 03, 2016, 11:51:45 AM Yes im read and i got some damos porsche but not sure which is correct ;)
Title: Re: Bosch EV6 TVUB Post by: nyet on November 03, 2016, 11:53:27 AM Solved a problem with the ECU identification, now engine starts with the corrected TVUB , the problem was in the checksum, while IronFelix did not see a problem , WinOLS proposed to correct checksum but after setting changes , and all was well What did ME7Sum and ME7Check say? Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 03, 2016, 03:29:58 PM What did ME7Sum and ME7Check say? They said that all is well , until i change the parameters in WinOLS and he did not offer to fix ) Title: Re: Bosch EV6 TVUB Post by: nyet on November 03, 2016, 05:04:52 PM Please post the before and after windows fix
Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 04, 2016, 01:48:42 AM Please post the before and after windows fix Title: Re: Bosch EV6 TVUB Post by: nyet on November 04, 2016, 03:07:18 AM dude.
Code: me7sum 8D0906018DF.bin_not\ work.bin Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 04, 2016, 07:44:06 AM dude. Code: me7sum 8D0906018DF.bin_not\ work.bin 1/1 uncorrected error(s) ???? Title: Re: Bosch EV6 TVUB Post by: nyet on November 04, 2016, 11:23:10 AM did you fix checksums before flashing? That is to say, did you check the file with ME7Sum? If not, why not? Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 04, 2016, 02:51:46 PM I checked, I had no errors, the problem was after flashing the purchase, there was a lock on the changes that might put the crooked
Title: Re: Bosch EV6 TVUB Post by: nyet on November 04, 2016, 03:15:06 PM I checked, I had no errors Post the file that showed no errors with ME7Sum but did not work, please. Title: Re: Bosch EV6 TVUB Post by: Ionut on January 29, 2017, 09:41:08 AM Did you fixed that? From your calculations KRKTE is 0.076035, but from mine, KRKTE should be 0.0876 (373.1cc, Engine displacement 1781cc and 4 cylinders)
Title: Re: Bosch EV6 TVUB Post by: antoffka666 on November 10, 2017, 12:50:58 AM Did you fixed that? From your calculations KRKTE is 0.076035, but from mine, KRKTE should be 0.0876 (373.1cc, Engine displacement 1781cc and 4 cylinders) Yes, I assembled the chip with the base version Title: Re: Bosch EV6 TVUB Post by: up50lut3 on August 05, 2018, 08:12:44 PM TVUB can't be calculated. You can only get it from the injector spec sheet. Even if you have access to a flow bench, it is hard to DIY measure. this should be stickied Title: Re: Bosch EV6 TVUB Post by: q_dubz on April 16, 2019, 08:56:33 AM Solved a problem with the ECU identification, now engine starts with the corrected TVUB , the problem was in the checksum, while IronFelix did not see a problem , WinOLS proposed to correct checksum but after setting changes , and all was well . what was the cause for the high LTFT here?Now I have entered the parameters TVUB of the above post , and corrected KRKTE , but now fuel correction in vsds 32 group It was to be (add 0.8% , mult 18.8% ) too much difference , I think that the above reported parameters are wrong or I have wrong a bit map . Title: Re: Bosch EV6 TVUB Post by: BOLT on March 18, 2020, 02:33:41 AM Alternately, if they came in a car that you can get an ECU bin for, you can copy the TVUB values over (if the FPR is the same). If the FPR is different, you will need to get the spec sheet from the manufacturer to know how to compensate. Together with the nozzles and cards can the pressure regulator itself be carried over? Google Translate Title: Re: Bosch EV6 TVUB Post by: nyet on March 18, 2020, 09:26:50 AM Together with the nozzles and cards can the pressure regulator itself be carried over? Yes. Title: Re: Bosch EV6 TVUB Post by: BOLT on March 19, 2020, 01:44:31 AM Yes. I ask for clarificationI have 1.8T APU injector 0 280 155 825 Statistical flow at 3 bar, average n-Heptane, 176.7 g / min FPR standard 4bar There is an injector 0 280 155 892 Static flow at 3 bar, average n-Heptane, 269 g / min from (1.8 T quattro [APX; BAM] 224 hp, S3 quattro [AMK; APY; AUL] 210 l. from) there is set FPR at 3bar For the correct operation of these injectors, is it enough for me to set the FPR to 3 bar, change the TVUB and KRKTE from APX, BAM, AMK, APY, AUL? Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 19, 2020, 02:04:01 AM I ask for clarification I have 1.8T APU injector 0 280 155 825 Statistical flow at 3 bar, average n-Heptane, 176.7 g / min FPR standard 4bar There is an injector 0 280 155 892 Static flow at 3 bar, average n-Heptane, 269 g / min from (1.8 T quattro [APX; BAM] 224 hp, S3 quattro [AMK; APY; AUL] 210 l. from) there is set FPR at 3bar For the correct operation of these injectors, is it enough for me to set the FPR to 3 bar, change the TVUB and KRKTE from APX, BAM, AMK, APY, AUL? if your fuel system is under 4bars you divide krkte found on APX BAM by 1.154700538379252 to have krkte for a circuit under 4 bars instead of 3bars Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on March 19, 2020, 02:39:39 AM if your fuel system is under 4bars you divide krkte found on APX BAM by 1.154700538379252 to have krkte for a circuit under 4 bars instead of 3bars Envoyé de mon iPhone en utilisant Tapatalk Pro Thank you! Title: Re: Bosch EV6 TVUB Post by: BOLT on March 19, 2020, 04:44:27 AM if your fuel system is under 4bars you divide krkte found on APX BAM by 1.154700538379252 to have krkte for a circuit under 4 bars instead of 3bars Envoyé de mon iPhone en utilisant Tapatalk Pro My fuel system is 4bar the injectors that I will be working on are 3 bar, the tube and the Krkte which I plan to transfer are designed for 3 bar. Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 19, 2020, 05:00:27 AM Моя топливная система 4бар инжекторы которые буду ставить работают на 3 бар, TVUB и krkte которые планирую перенесть расчитаны под 3 бар. Привет, все потоки выражаются под давлением 3 бар, когда система работает с более высоким давлением, для этого необходимо пересчитать расход. Например, инъекция, которая составляет 100 г / мин при 3 барах, расход пропорционален квадратному корню из давления, так что если вы удвоите давление, вы получите квадратный корень потока 2. Так что корень 4/3 при переходе от 3 до 4 баров Google translate Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 19, 2020, 06:35:43 PM Why not just use 4bar?
Title: Re: Bosch EV6 TVUB Post by: BOLT on March 19, 2020, 11:48:17 PM It would be nice to use 4 bar
since my system is standard 4 bar with return. but the injectors that I plan to use with a 3 bar auto Tvub and Krkte also with a car 3 bar Title: Re: Bosch EV6 TVUB Post by: nyet on March 19, 2020, 11:50:20 PM It would be nice to use 4 bar since my system is standard 4 bar with return. but the injectors that I plan to use with a 3 bar auto Tvub and Krkte also with a car 3 bar So what? Adjust TVUB and KRKTE. That's what they're for. Your post makes zero sense. Title: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 12:23:27 AM It would be nice to use 4 bar TUVB only work on 3bars. KRKTE is adjusted according to the operating pressure of the fuel system the formula since my system is standard 4 bar with return. but the injectors that I plan to use with a 3 bar auto Tvub and Krkte also with a car 3 bar (https://uploads.tapatalk-cdn.com/20200320/eafedca191f35bac1de3ace8c6a6ccc0.jpg) for a V6 psa which operates under 3.5 bar injectors of 3 bar in operation it gives this ( 50,2624 x ( 2,946 / 6 ) / 213 ) / 1,08 = 0,107280639921875 1,08 = 2 √ 3,5 / 3 1,08 = 2 √ of 3.5 / 3 Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 01:11:18 AM TUVB only work on 3bars. TVUB usually has to be only slightly altered for pressure. Most injector datasheets come with pressure compensation parameters for latency. Failing that, for 3->4 bar conversion, usually you tune KRKTE to 0% stft/lambda correction during part throttle, then adjust TVUB until idle part throttle is 0. Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 01:15:21 AM TVUB usually has to be only slightly altered for pressure. Most injector datasheets come with pressure compensation parameters for latency. For 3->4 bar conversion, usually you tune KRKTE to 0% stft/lambda correction during part throttle, then adjust TVUB until idle part throttle is 0. tuvb is the dead time when the injector closes and it is linked to the current which circulates in the injector this is why its axis is in voltage shorter closing time when there is 16v in power supply Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 01:16:11 AM tuvb is the dead time when the injector closes and it is linked to the current which circulates in the injector this is why its axis is in voltage shorter closing time when there is 16v in power supply latency also increases with pressure. Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 01:26:12 AM latency also increases with pressure. no, this is where everyone goes dead time is only governed by the current ex: 213g/min http://cloud.tapatalk.com/s/5e747d9de3d22/TVUB%200280158042.pdf (http://cloud.tapatalk.com/s/5e747d9de3d22/TVUB%200280158042.pdf) the vehicle voltage is in operation of 14V so this is often the point that is used in engine management. during the pressure increase it is the quantity injected which increases at the same time of opening of the injector and not the closing of the injector Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 01:33:58 AM on the other hand, the idle time is specific to each injector which obliges either to recover it in the file of the vehicle from which these come or to make a request to the manufacturer who manufactures them
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 01:35:57 AM no, this is where everyone goes dead time is only governed by the current That is absolutely false. Pressure affects dead time as well, just not as much as voltage See OFFCOMP Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 01:39:12 AM Contact manufacturer
I’m not talking about a dynamic injector, but rather a static injector like those that operate in static flow and non-continuously regulated flow. a lot of people get lost. in indirect injection with serial injector the dead time does not vary Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 01:42:56 AM (https://uploads.tapatalk-cdn.com/20200320/359809eb1cc7c6a274836073f4a35f93.png)
En dynamics it’s ok not statick Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 03:34:35 AM in indirect injection with serial injector the dead time does not vary Interesting. Thanks for the information, I didn't know that Title: Re: Bosch EV6 TVUB Post by: BOLT on March 20, 2020, 06:22:27 AM Krkte calculated by the formula, it turned out
1781/4=445.25cm3( 0.44525 ) (0.4455 when calculating, can I apply 0.25cm3 to the repair size of the cylinder? ) 1.293*0.44525= 0.5760315 100*14.7*0.00001667*1.05*269=6.921409005 0.5760315/6.921409005= 0.083224 come out krkte = 0.083224 which corresponds of TT225 (0.083187) when calculating, can I apply 0.25 to the repair size of the cylinder? that's just with the calculation TVUB I do not quite understand 4bar(58.0151) (58.0151*(1781/4 =0.4455)/269)/? = 1,08 = 2 √ 3,5 / 3 ? I am stupid)+Google Translate Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 06:37:55 AM Krkte calculated by the formula, it turned out 1781/4=445.25cm3( 0.44525 ) (0.4455 when calculating, can I apply 0.25cm3 to the repair size of the cylinder? ) 1.293*0.44525= 0.5760315 100*14.7*0.00001667*1.05*269=6.921409005 0.5760315/6.921409005= 0.083224 come out krkte = 0.083224 which corresponds of TT225 (0.083187) when calculating, can I apply 0.25 to the repair size of the cylinder? that's just with the calculation TVUB I do not quite understand 4bar(58.0151) (58.0151*(1781/4 =0.4455)/269)/? = 1,08 = 2 √ 3,5 / 3 ? I am stupid)+Google Translate There is no calculation for tuvb these are values provided by the injector manufacturer or the person who would have reconditioned them. Vhe dead tile is valid for the injector reference and is not applicable to another injector other reference. If your cylinder block is re-bored give me the exate cylinder and I will calculate the krkte for you. Because it varies depending on the pressure of the fuel and injection system at the same time. 50.2624 is invariable in the calculation formula, it is multiplied by the unit displacement and divided by the flow rate in N-heptane of the chosen injector. Then the krkte is divided by 2 √ (4 bars / 3 bars) = 1.154700538379252. Which gives the new krkte for operation at 4 bar injectors (Для tuvb нет расчетов, это значения, предоставленные производителем инжектора или человеком, который бы их восстановил. Мертвая плитка действительна для эталона инжектора и не применима к другой эталонной форсунке. Если ваш блок цилиндров перескучил, дайте мне цилиндр exate, и я вычислю для вас krkte. Потому что он меняется в зависимости от давления топлива и системы впрыска одновременно. 50.2624 является неизменным в формуле расчета, он умножается на смещение единицы и делится на расход в N-гептане выбранного инжектора. Затем krkte делится на 2 √ (4 бара / 3 бара) = 1.154700538379252. Что дает новый krkte для работы на 4 барах инжекторов) Google translate Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 06:54:34 AM An example with a Citroen V6 PRV for an e85 conversion. The KRKTE is 0.1725 ms in the original map.
It would therefore be 0.1984 ms with 15% more. The original value may be a little high. If we do the calculation, we find KRKTE = 0.16679 ms (50.2624 x (2.946 dm3 / 6) / 137 g / min) / 1.08 (3.5 bar) Krkte = 0.1801 ms/% at 3.0bars [ 3.5bars / 3bars = 1,166666666666667 2 √ 1,166666666666667 = 1,080123449734643 ] (50.2624 * 0.491 / 137) / 1.08 if the fuel circuit operates under 3.5 bars Krkte = 0.16679ms/% to 3.5bars I think the injunctions are undersized, hence the increase in krkte. On the next generation they went to 150g Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 07:02:08 AM (https://uploads.tapatalk-cdn.com/20200320/fc99bd702af0e1680b41ff441935cfe8.jpg)
The whole area surrounded by red is = 50.2624 I had the same misunderstanding at the start! Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 07:31:06 AM That is absolutely false. Pressure affects dead time as well, just not as much as voltage nyet, See OFFCOMP in the table offset voltage battery does not change, in the other table it is indicated the factor of multiplication of the flow according to the pressure applied to the circuit. The offset battery voltage does not change in static only with dynamic injectors. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 07:35:02 AM http://cloud.tapatalk.com/s/5e74d44765ad9/injecteur-electromagnetique_caracterisation.pdf (http://cloud.tapatalk.com/s/5e74d44765ad9/injecteur-electromagnetique_caracterisation.pdf)
Sorry this is a document on injectors in french i don't really know how to translate. Batcor is the dead time or tuvb we are talking about Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 09:11:23 AM in the table offset voltage battery does not change The correction is in ms, not V, and experimentally, it matches my own results when using EV14 injectors in ME7.1 Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 09:16:37 AM The correction is in ms, not V, and experimentally, it matches my own results when using EV14 injectors in ME7.1 (https://uploads.tapatalk-cdn.com/20200320/c8bee3d2897dc18c72302ff237f2bfb5.jpg)look ms are related to the voltage not to the pressure for the injectors which works in static. take a good look at the tables you have one for tuvb and the others are the flow multiplier factor depending on the operating pressure. VBAT and Voltage offset on FNPW_OFFSET Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 20, 2020, 09:22:15 AM Injector voltage offset as a function of battery voltage it's written at the bottom of the page
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 20, 2020, 07:54:09 PM Injector voltage offset as a function of battery voltage it's written at the bottom of the page The units are still ms, not V though which means OFFCOMP scales OFFSET in ms. "OFFCOMP multiplier on OFFSET" Bat Voltage (v) -> OFFSET -> latency (ms) scaled by OFFCOMP -> TVUB (ms) The entire thing is a scheduled slope/offset correction, with additive and multpilicative corrections, which are all scheduled by pressure slopeHI, slopeLOW are multiplicative corrections are all functions of p, scheduled by crossover point fuel mass m k0 = f0(p) k1 = f1(p) offset is a additive correction and also a function of p: off = foff(p) so time(ms) = kn(ms/v) * batt(v) + off(ms) where kn is selected dependent on m Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:00:39 AM The units are still ms, not V though which means OFFCOMP scales OFFSET in ms. "OFFCOMP multiplier on OFFSET" Bat Voltage (v) -> OFFSET -> latency (ms) scaled by OFFCOMP -> TVUB (ms) The entire thing is a scheduled slope/offset correction, with additive and multpilicative corrections, which are all scheduled by pressure slopeHI, slopeLOW are multiplicative corrections are all functions of p, scheduled by crossover point fuel mass m k0 = f0(p) k1 = f1(p) offset is a additive correction and also a function of p: off = foff(p) so time(ms) = kn(ms/v) * batt(v) + off(ms) where kn is selected dependent on m I said a nonsense at the beginning the dead time does not change because it is the time before total opening of the injector that is why in principle the pressure does not influence it (https://uploads.tapatalk-cdn.com/20200321/9ad7c7e0ba9d29b319a66a12f4e7f1fa.jpg) 6.1 Battery correction (Batcor) or (TUVB) The time required for the mechanical opening of the injector increases when the battery voltage decreases. The Zinj represents the dead time of the injector under 16V and Batcor ensures its correction up to 8 Volts. The evolution of the dead time corresponds to the BATCOR correction made on the Ti to obtain the same fuel flow during a battery voltage drop. For a given wealth R and a fixed regime N. Ti (8V) = Ti (16V) + Batcor (8V) Ti (10V) = Ti (16V) + Batcor (10V) Ti (12V) = Ti (16V) + Batcor (12V) Ti (14V) = Ti (16V) + Batcor (14V) Ti (16V) = Ti (16V) + Batcor (16V) From the documentation on the following page determine: Batcor (10V) = (1250-357) = 893 ms Batcor (12V) = (830 - 357) = 473 ms Batcor (14V) = (500 - 357) = 143 ms Batcor (16V) = (357-357) = 0 ms (https://uploads.tapatalk-cdn.com/20200321/cafce3341775b45508a0d9a06d9cfe7c.jpg) 6.2 Minimum guard during the engine period. The “minimum guard” represents the value for which the difference between the period of the engine and the Ti is the smallest. This value corresponds to the time given to the injector to close. The generally recommended value is 1 ms for a multipoint and 0.5 ms for a single point. If the Ti is greater than the period, the injector remains continuously open, which makes it impossible to further increase the wealth. Definition of the maximum Ti: this is the maximum value reached in order to comply with the richness and engine temperature conditions. This ensures that the injector works in its linear operating zone. Determine the motor period and then the maximum Ti value from 2000 to 6000 motor. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 21, 2020, 12:35:02 PM That doesn't answer how OFFCOMP is used
Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:10:35 PM That doesn't answer how OFFCOMP is used the offcomp function is implemented by the fkkvs map in general except mounting without return circuit it seems to me Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:13:23 PM fkkvs it is a small correction in any case which applies to tvub
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:15:35 PM FKKVS is not very important most important of krkte and TVUB
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BlackT on March 21, 2020, 01:32:54 PM FKKVS is not very important most important of krkte and TVUB It is important, look at TT 225 file. Injectors are really not linear, and in low injector time it vary muchEnvoyé de mon iPhone en utilisant Tapatalk Pro I needed to expand x asis for geting fuel trims close to zero. Otherwise it wery too much and it was imposible to get feuling right with those injectors and FKVS from stock A4 Title: Re: Bosch EV6 TVUB Post by: nyet on March 21, 2020, 01:33:42 PM the offcomp function is implemented by the fkkvs map in general except mounting without return circuit it seems to me Not possible, the fkkvs map is not pressure dependent, but offcomp is. Not only that but it is zero in many files. Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:43:32 PM Not possible, the fkkvs map is not pressure dependent, but offcomp is. Not only that but it is zero in many files. FKKVS is a function of the pressure, predefined by measurement as a function of the pressures linked by the axes Ti and rpm, as for direct injections. Fkkvs is not flat when the pressures or ti are variable. this is how I understand it, in the docs and thanks to the measurements made for a bit of dev with friends. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 21, 2020, 01:48:48 PM It is important, look at TT 225 file. Injectors are really not linear, and in low injector time it vary much I needed to expand x asis for geting fuel trims close to zero. Otherwise it wery too much and it was imposible to get feuling right with those injectors and FKVS from stock A4 yes absolutely, fkkvs compensates for falling just before the final injection. In the file fnwp_offcomp is translated by FKKVS to simplify the operation. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: nyet on March 21, 2020, 03:11:52 PM yes absolutely, fkkvs compensates for falling just before the final injection. In the file fnwp_offcomp is translated by FKKVS to simplify the operation. FKKVS is a multiplicative correction map, not an additive map, unlike TVUB. As far as I know there are no other injector specific additive maps in ME7. Low load non-linearities are better modeled with an additive map, not a multiplicative map; the effects of OFFCOMP disappear at high loads. Not only that, FKKVS is zero in many stock maps for cars that have conventional return fuel systems. Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 22, 2020, 02:01:49 AM Personally on my personal vehicle certainly French 4 cylinders PSA I work with injectors 330cc under 3,5bars which are mounted on nissan Z350 under 3bars.
With tuvb provided by bosch no modification to apply to the tuvb just krkte to adjust. I went from 147.95g / min to 330g / min and I have no difficulty with petrol or e85. ME7.4.4 or ME7.4.5 ECU same result. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on March 22, 2020, 02:53:07 AM The timing correction injector is related to the P delta, not the isolated gasoline pressure, you have several approaches, or you regulate it mechanically with a pressure regulator enslaved to the collector pressure, in which case you don't need to manage it in software, or very little.
Either you make an algorithm that inputs: -Pressure ramp injection -Pressure intake -TUVB The goal is simple, to guarantee a controlled and manageable delta P. What impacts the unit flow of your injector is not the input pressure, it is the difference in pressure between the input and the output. Example: If you apply 10b in a ramp and spit in a 5b collector, it's like applying 5b in ramp and spitting in the atmosphere. 10b -5b = 5b 5b - 0b = 5b, the flow is 100% the same. As a reminder TVUB has nothing to do with pressure, but, with tension. In multi-point injection, it's ultra easy to understand, you have overall 3 parameters of entry -1 battery voltage -2 TEMIN -3 The Delta P Title: Re: Bosch EV6 TVUB Post by: BOLT on April 28, 2020, 03:02:56 AM Hi
replaced injector 0 280 155 825 Statistical flow at 3 bar, average n-heptane, 176.7 g / min per injector 0 280 155 892 Static flow at 3 bar, average n-heptane, 269 g / min from (1.8 t quattro [APX; BAM] 224 hp, S3 quattro [AMK; APY; AUL] 210 l . From) set FPR to 4 bar. set the values of TVUB with APX, BAM TT 225 calculated KRKTE FPR 4 bar car rides well, but at idle pulls I need help Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 28, 2020, 03:08:07 AM Hi,
see if TEMIN is identical between the two files because a too high TEMIN can prevent the regulation of the ti at the idle Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 28, 2020, 04:05:35 AM I can not find this constant
I do not have it in the file (kp) Title: Re: Bosch EV6 TVUB Post by: BOLT on April 28, 2020, 04:08:50 AM maybe help me with this?
Title: Re: Bosch EV6 TVUB Post by: BOLT on April 28, 2020, 04:10:03 AM maybe help me with this? Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 28, 2020, 04:20:48 AM TEMIN on me7 bosch, is locate around TVUB
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 28, 2020, 04:21:50 AM when i come home from work tonight i try to look for you
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 28, 2020, 04:28:33 AM thanks for helping friend
Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 28, 2020, 08:25:43 AM thanks for helping friend In your file TEMIN is located at two addresses 11C7C 11C7E 16 bit LoHi factor, offset 0.003200 raw value 00281 in my damos TT 225 AM 2003 I have the value 00234 Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 12:06:38 AM thanks I will understand
Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 05:13:42 AM I did not solve the problem, I will try with the changed TVUB on 7%
in the file tt tvub for 3 bar Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 05:20:40 AM tuvb is related to the voltage you use which offset factor? I have 0,0032 on damos TEMIN and tuvb is the same
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 05:32:41 AM TVUB 0,002667
KRKTE 0,002133 TEMIN 0,003200 Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 05:34:33 AM TVUB 0,002667 KRKTE 0,002133 TEMIN 0,003200 TEMIN and TUVB 0,0032 on ME7.5 Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 05:39:01 AM does the offset factor only interpret the values to be displayed on the maps?
Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 05:45:10 AM the factors and offsets are there for our understanding of raw data.
If you have to copy a raw value you must make sure that the factors are the same to get the right information, because, sometimes the factors and offsets can be different between two ecus of different generation. Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 05:46:14 AM I'll check the damos from which I took the values on the cards for the injectors, maybe I messed up something
Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 06:05:14 AM krkte which factor
Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 06:06:59 AM krkte which factor I'm not at home, I tell you that when I get home Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 08:00:39 AM KRKTE you have the good factor
(https://uploads.tapatalk-cdn.com/20200429/4cc140b2de50fed30d19fe2b5380d467.jpg)(https://uploads.tapatalk-cdn.com/20200429/5da70441dcf37d4b3cb2bc8bbb382171.jpg)(https://uploads.tapatalk-cdn.com/20200429/5ac913a37c40589e8cac82f5661529b3.jpg) Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 12:14:11 PM Corrected the factors by 0.0032 transferred (TVUB TEMIN TEMINVA) from Damos TT 225
It remains to understand KRKTE in TT225 FR 3bar 0,083187 / 1,154700538379252 = 0,0720420552646161 or 0.083187 * 1.154700538379252 = 0.0960560736861548 Title: Re: Bosch EV6 TVUB Post by: BOLT on April 29, 2020, 12:21:37 PM I have FR 4bar
Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 07:43:05 PM For 4bars you have to divide krkte by 1.1547.....
Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Bosch EV6 TVUB Post by: lepatron972 on April 29, 2020, 08:45:59 PM KRKTE 3 bars = ((50,2624*(1781,25/4)/ 269
KRKTE 3 bars = (50,2624* 0,4453125)/ 269 KRKTE 3 bars = 22,382475/269 KRKTE 3 bars = 0,083206226765799 ms/% KRKTE 4 bars = 0,083206226765799 / 1,154700538379252 KRKTE 4 bars = 0,072058706132231 ms/% Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: Dejw0089 on April 29, 2020, 11:59:36 PM So for 4fpr we need change krkte only tvub can leave stock yes?
And a little untopic question Krkte change when part throttle LTFT are over (or less) than 0% and tvub when idle LTFT are over (or less) 0%? Title: Re: Bosch EV6 TVUB Post by: lepatron972 on April 30, 2020, 12:54:25 AM So for 4fpr we need change krkte only tvub can leave stock yes? And a little untopic question Krkte change when part throttle LTFT are over (or less) than 0% and tvub when idle LTFT are over (or less) 0%? Hi, for my part tuvb I always use tuvb for 3 bars, with regard to the LTFT even of origin they are rarely close to 0, in vag they mostly stay between + 5% / - 5% Envoyé de mon iPhone en utilisant Tapatalk Pro Title: Re: Bosch EV6 TVUB Post by: BOLT on July 06, 2020, 05:19:54 AM Hello
I can’t solve the problem with the misfire idling, I occasionally miss it. my fuel 032 = + - 1 behaves well in motion. the only trick is to raise TE to 1,1008 or more. but as soon as I raise TE to 1.4 then the lambda ceases to be active and is 1 I ask someone to help me than I can thank Title: Re: Bosch EV6 TVUB Post by: BOLT on July 06, 2020, 05:30:46 AM these are my settings
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