Conncted an ardunio nano with software from xp677 on the Denzo ES27C thread https://openinverter.org/forum/viewtopic.php?p=2744#p2744 Edited the software to send all the messages and now the A/C inverter is drawing 0.01 then 0.02 then 0.03 A. void loop() { transferpacket(1); serialdiag(1); transferp...

johu wrote: ↑Sat Dec 09, 2023 10:26 pm Not sure what you're trying to achieve on a higher level but if you want only excitation disabled you can switch to SinCos mode

I want to use an external resolver exciter from the Toyota HV ECU so both Toyota HV ECU and OI can use the resolver.

1) Set OI excitation to 10 kHz (can this be done?) No luck so far changing the OI resolver excitation frequency. If I comment out line: https://github.com/jsphuebner/stm32-sine/blob/e0faaf56d222c23cdf5c59b6b5141de99d03656f/src/inc_encoder.cpp#L471 gpio_set_mode(NORTH_EXC_PORT, GPIO_MODE_OUTPUT_50_M...

I'm trying to figure out how make the gates stay permanently low so we can use the A/C compressor inverter as a rectifier without modifications see johu comment here: https://openinverter.org/forum/viewtopic.php?f=14&p=61039#p61039 - Removed 4 IGBTs of the A/C inverter and replaced them with a b...

Wow I would imagine trying to keep the oem hv ecu happy while driving with the inverter controlled by OI would be a massive task possibly requiring generating appropriate current and motor position signals possibly proportional to the pwm of the phase driver outputs from the hv ecu, I suspect a fix...

I) By any chance is the Toyota hybrid control ecu sending any information over CAN that Open Inverter ecu can use as resolver information to drive the motor no OK, so this is the plan... First attempt: Use external excitation from Toyota VH ecu in OI IO excitation is 9v peek to peek and 4.4 kHz IOR...

hmm... So while testing my updated stm32-car code, I've realized that the Toyota hybrid control ecu is not sending the can bus information I'm expecting because the ecu/car is not in ready mode. I knew I would have to deal with this eventually but seems that time is now... That leads me to two optio...

Is the BMW 12kWh hybrid pack still available? if so are all cables bms's and sbox included?

I'll take it.

I had a go at using the new can message for safety critical control parameters in stm32-car: typedef struct { unsigned char SixBits:6; unsigned char TwoBits:2; } tEightBits; tEightBits canrun; tEightBits canio; canio.SixBits = Param::GetInt(Param::canio); canrun.TwoBits = g_canrun; canData[0] = 0 | ...

@johu let me know if you need any help with testing, OEM logs/values or anything else. I plan to try the A/C inverter for charging without modification and external rectifier.

Does anyone have any examples for using the new can message for safety critical control parameters in stm32-car, stm32-vcu or similar?
If not, no worries, I'll have a go.
I sent messages manually using CANUSB and can-utlis

Made a fork of Johannes stm32-car and created a prius-gen2 based on the audi-a2 branch (https://github.com/hakanrolsson/stm32-c ... prius-gen2) that reads can message 0x540 (shift leaver position) and set drivesel.

johu wrote: ↑Tue Sep 05, 2023 7:30 am - Removed 4 IGBTs of the A/C inverter and replaced them with a bridge rectifier (maybe making sure the gates are permanently low achieves the same)

Very interesting that it might be possible to use the A/C inverter for charging without modification.

Built a 2nd more configurable board using ferrules and Wago connectors. Got 12V DCDC converter working (just disconnected NOOD from Hybrid Vehicle Control ECU). Car now has a backseat and an exhaust again.

turnip73 wrote: ↑Mon May 01, 2023 7:49 pm Hmm, return of my old friend desat...

My 12v safety bulb caused the desat.
Using 330w 1A Inverter to create 240V AC gives me 260V DC on buzz bars bucked to 160V DC
Next:connect a heater element and "real" 240V AC.

Hmm, return of my old friend desat...

Working on changing.
Following @RetroZero's steps in https://openinverter.org/forum/viewtopic.php?t=1070

First drive with openinverter, I'm running with @Johu parameters https://openinverter.org/forum/download/file.php?id=19655 https://openinverter.org/forum/viewtopic.php?p=48233#p48233 (only changes voltages lowered and wired accelerator pedal) and firmware https://openinverter.org/forum/download/file...

After spending time trying to keep the OEM HV ECU's happy I decided to cut it out of the loop for now. I now have wheels spinning in FOC with accelerator pedal. Still some tuning to do. Next need to figure out charging. I really like the idea of using the controller and as charger too like @johu and...

See https://openinverter.org/forum/viewtopic.php?t=2516

I've captured a log turing the A/C on and off with pico scope.
channel A is ITE channel B is ET1:
https://github.com/hakanrolsson/PriusHV ... 43.picolog
to view see:
https://www.picotech.com/downloads (2205A)

Great idea. I would be interested in the board you have designed. Did you sort out the issues on the board you mentioned in your first post? Is the board working in conjunction with the openinverter VCU designed by Johannes? I just started the same project of converting a Prius Gen2 to full EV. I a...

Getting DESAT error when trying to do FOC tuning (probably the same error as before). I now have access to Techstream to trouble shoot.
I've started work on setting up SOC spoofing etc. to keep the OEM ECU's happy.

I have the same problem at the moment, when running the inverter in manual mode the main contactor never closes. I watched damiens video on FOC, and there he connects the HV directly to the inverter trough the lightbulb, so I guess one have to do the FOC-tuning by forcing the contactors or connecti...