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Re: 2012 Camry Inverter AVV50R
Posted: Wed Feb 01, 2023 10:34 am
by johnspark
Zechy, have you found out anything about the DC DC booster?
kind regards.
Re: 2012 Camry Inverter AVV50R
Posted: Sun Feb 05, 2023 3:30 am
by Zechy
johnspark wrote: ↑Wed Feb 01, 2023 10:30 am
Awesome work Zechy
:):), I will use your Camry version for my inverter in my E39
. Also many thanks for going over this data. Makes me think it was a worthwhile endeavor.
Team work
I'll see if I can get the DCDC to work. From what I read on the forum about the Prius DCDC converter, it should not be hard. The Camry connector also has 5 pins like the Prius, only it's smaller.
Prius DCDC:
https://openinverter.org/wiki/Toyota_Pr ... _Converter
Re: 2012 Camry Inverter AVV50R
Posted: Sat Apr 29, 2023 6:16 am
by joeflickers
Zechy wrote: ↑Fri Dec 30, 2022 6:08 am
Good news. I made a rookie mistake - bad wiring on serial comms.
I can now spin the motors using the Camry inverter.
Initially got a HS temperature error as soon as I started the motors.
TempHS too high.png
(My motor temperatures are way off. Will have take a look at some point)
I cloned Damien's branch: git clone -b DM_Work
https://github.com/damienmaguire/Stm32-vcu.git
From the data I captured it looks like the water temperature is only on column 20 so I changed the code to row 472:
temp_inv_water=mth_data[20];
I modified the GS300h profile to run the Camry inverter in this bin file: stm32_vcu_AVV50R.bin
This is good.. I'll try this with my gs300h inveter running gs450h motor.. I get the same (tmphs error) whenever I start the inverter.. Have a question though. My gs450h motor and inverter was removed from a 2014 model and the inverter pinout is similar to that of gs300h
Re: 2012 Camry Inverter AVV50R
Posted: Wed May 03, 2023 4:45 am
by Zechy
The connectors do look very similar to the Camry.
Re: 2012 Camry Inverter AVV50R
Posted: Sun Sep 03, 2023 5:09 am
by Zechy
johnspark wrote: ↑Fri Dec 30, 2022 8:53 am
Great news Zechy. I have the same inverter and Damien's ECU so very pleased to note your success. Perhaps I can help with the temperatures some how.
I got a new Zombieverter board with the Wemos connector. My temperatures now work!
Re: 2012 Camry Inverter AVV50R
Posted: Sun Sep 03, 2023 5:16 am
by Zechy
I'm running the Camry inverter with the GS450h gearbox quite successfully. My car is not on the road yet so just short test.
I get about 185amps from the inverter on full throttle.
One design mistake is that I only have 214V nominal and the motors don't like it. They start jittering when the battery drops to around 215V. Fully charged the pack is 240V. I've ordered more cells.
Re: 2012 Camry Inverter AVV50R
Posted: Sun Sep 03, 2023 6:26 am
by Jacobsmess
Zechy wrote: ↑Sun Sep 03, 2023 5:16 am
I'm running the Camry inverter with the GS450h gearbox quite successfully. My car is not on the road yet so just short test.
I get about 185amps from the inverter on full throttle.
One design mistake is that I only have 214V nominal and the motors don't like it. They start jittering when the battery drops to around 215V. Fully charged the pack is 240V. I've ordered more cells.
Damian has showed the GS450H motors running quite smoothly at around 60V on some of his videos from memory.
Re: 2012 Camry Inverter AVV50R
Posted: Sun Jan 07, 2024 5:28 am
by Electtic skids
Zechy wrote: ↑Sun Sep 03, 2023 5:16 am
I'm running the Camry inverter with the GS450h gearbox quite successfully. My car is not on the road yet so just short test.
I get about 185amps from the inverter on full throttle.
One design mistake is that I only have 214V nominal and the motors don't like it. They start jittering when the battery drops to around 215V. Fully charged the pack is 240V. I've ordered more cells.
OEM GS450h battery pack specs: motor 1KM, system voltage 650V, battery NiMH 288V 6.5 Ah
via
https://toyota-club.net/files/faq/21-12 ... _tr_en.htm
Did the extra voltage solve the motor jitter?
Re: 2012 Camry Inverter AVV50R
Posted: Tue Feb 13, 2024 2:37 pm
by Jacobsmess
Zechy wrote: ↑Fri Dec 30, 2022 6:08 am
Good news. I made a rookie mistake - bad wiring on serial comms.
I can now spin the motors using the Camry inverter.
Initially got a HS temperature error as soon as I started the motors.
TempHS too high.png
(My motor temperatures are way off. Will have take a look at some point)
I also get the odd -27.71degC temp reading. Did you get to the bottom of this?
Re: 2012 Camry Inverter AVV50R
Posted: Sat Feb 17, 2024 9:41 am
by Zechy
Jacobsmess wrote: ↑Tue Feb 13, 2024 2:37 pm
I also get the odd -27.71degC temp reading. Did you get to the bottom of this?
To be honest I can't recall if it started working. I switched to a 300h inverter because I couldn't get the jerking to stop. But I believe now it wasn't a Camry inverter issue
I hope to revisit the Camry in the next few months
Re: 2012 Camry Inverter AVV50R
Posted: Sat Feb 17, 2024 9:45 am
by Zechy
The voltage was a misdiagnosis. The jitter didn't change. I tried a 300h inverter which did the same.
Today I managed to get the 300h working by defining the temp_inv_water as 8bit instead of 16. (see BMW Z3 discussion)
I think it will work for the Camry. Hope to revisit it in the next few months