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  1. A

    Lebowski's motor controller IC, schematic & setup, new v2.A1

    I can attest 7kHz setup works really good on at least 2 cars with EM61 Leaf motor and Chevy Volt inverter. Driveoff now is really good and low speed control is smooth.
  2. A

    Lebowski's motor controller IC, schematic & setup, new v2.A1

    I finally had an opportunity to test the amplitude setting menu g) sub h and i. I had it set as high as 400 / 20 and as low as 10 / 0.5 and i found that last setting is really good for a smooth takeoff and transition to mode 3. HOWEVER!!! With low amplitude setting at speeds beyond field...
  3. A

    Ampera/Volt inverter with Lebowski brain

    I finally had an opportunity to test the amplitude setting menu g) sub h and i. I had it set as high as 400 / 20 and as low as 10 / 0.5 and i found that last setting is really good for a smooth takeoff and transition to mode 3. HOWEVER!!! With low amplitude setting at speeds beyond field...
  4. A

    Lebowski controller IC 2.B0 source code and (short) explanation

    Well i need to answer my own question. It seems i left pins 5, 7 and 8 on dsPic30 floating. They are supposedly sense phase transition with low voltage inverters. When i connected them to GND via 2.7K resistors i could suddenly use my inverter as before.
  5. A

    Lebowski controller IC 2.B0 source code and (short) explanation

    Hi Bas After many years of use there was a leak in cooling system on my car and my inverter broke IGBTs. I already wanted to replace my brain board with more modern one and i did.While testing i noticed there was a tendency for brain to keep inverter in error mode (1st led which is red). I tried...
  6. A

    Hyundia HSG Resolver to Hall sensor

    There is a commercial product out there that i use with Lebowski drive. RLS magnet reader... There is a small magnet with angular polarization and a chip that reads its change in angle. This then converts to appropriate signal. I use its commutation function, but other outputs ABZ or sincos...
  7. A

    Are first gen Volt Chargers considered "lear" chargers?

    They quote... I guess you can tell them specificaly which telegrams to send and they can program them in. Here are the telegrams and wiring: https://openinverter.org/wiki/Chevrolet_Volt_Charger https://leafdriveblog.wordpress.com/2018/12/28/ampera-charger/ Ampera is the same car as Volt gen1
  8. A

    Lebowski's motor controller IC, schematic & setup, new v2.A1

    I ressurect this thread to notify anyone interested that i changed setting n) in menu g) from 48 to 16 and it seems i got somewhat better/surer start from 0.
  9. A

    Ampera/Volt inverter with Lebowski brain

    I ressurect this thread to notify anyone interested that i changed setting n) in menu g) from 48 to 16 and it seems i got somewhat better/surer start from 0.
  10. A

    Ampera/Volt inverter with Lebowski brain

    I had some difficulties while driving. Inverter would reset at speeds, but would resync into speed. AC relay on the BSI module pulls hard. There is this 12V supply line that goes from BSI to the rear of the car from where i took 12V to supply my DUE and relay logic. It is connected to the AC...
  11. A

    Axiom: a 100kW+ motor controller

    For safe operation in FW you need to have battery attached. :shock: I have tried the same on the car with "sensorless" supported by sensors and it backfired. I could never get a good recovery above 90km/h. If i decoupled sensors i was able to recover at much higher speed. This showed me...
  12. A

    Axiom: a 100kW+ motor controller

    Yes and FW starts around 110km/h for me, so i am cheating a bit because i am giving the chip more time to scope for sync. I extended time when it looks for recovery to about 0.7s and it works with some other minor changes. But when i extend time further it will not sync no matter what. Do you...
  13. A

    Axiom: a 100kW+ motor controller

    Well go ahead now, i still would like to hear what those guys have to say when testing at such power. I have built more than 100kWh inverters and from experience i can tell you robustness is key and key to robustness is testing. After a year every inverter i built has had a problem of one kind...
  14. A

    Nissan Leaf Motor+Inverter bidirectionality & regen test data

    I am actually using EM61 which is similar enough. I can tell you that it has way more potential power than 80kW it is attributed. This limitation is actual battery C rating. There are Leaf 3 out there with 160kW rated power section, but motor is the same. As to regen, i have set my Lebowski to...
  15. A

    Axiom: a 100kW+ motor controller

    I think there is no reference of Axiom as opensource here. I have seen reference to VESC which is opensource though...
  16. A

    The HI-Lebowski: a Lebowski SMD brain running a zombified Honda IMA Inverter: *a HOW-TO guide*

    IMA inverter should be capable of 300A.
  17. A

    Axiom: a 100kW+ motor controller

    Hah! And you could be held an example of coding and interface application. DSpic30 is so robust i never had any failed chips while in use. I still get some conkout on highway at 130km/h, mostly because signal relay control issues (another arduino controler and EMI) and EVERY time Lebowski will...
  18. A

    The HI-Lebowski: a Lebowski SMD brain running a zombified Honda IMA Inverter: *a HOW-TO guide*

    No This inverter will work with max 200Vdc. Any more and EMI will prevent you from having good control. https://www.diyelectriccar.com/threads/honda-ima.163650/
  19. A

    TWIZY MOTOR & SEVCON

    Theese are original settings for Twizzy motor from the OEM. In case you use a different inverter you can use that data. https://openinverter.org/forum/viewtopic.php?p=4497#p4497
  20. A

    Hi power inverter for Nissan leaf motor. Dyno's 302.3hp p15

    Well at least he demonstrated motor can self destruct rather casually by freewheeling it into the blue. Damage looks like more centrifugal in nature different than bearing failure. We think rotor expanded under side load and magnets were pressed outwards.
  21. A

    Hi power inverter for Nissan leaf motor. Dyno's 302.3hp p15

    I am not sure he wasnt recording the event via openinverter wifi interface. He might have been recording his CAN bus line? He did say he was testing new firmware revision at the time. Might be worth asking him.
  22. A

    Hi power inverter for Nissan leaf motor. Dyno's 302.3hp p15

    Well... you may investigate here: https://openinverter.org/forum/viewtopic.php?p=32160#p32160 That guy floored his motor in neutral and managed to break the rotor and bearings at more than 20000rpm!!! I managed to get up to 15000rpm at 180km/h and motor had much more to give. But since it is my...
  23. A

    Lebowski controller IC 2.B0 source code and (short) explanation

    I made the endprobes and taped them into my cells. The setup works well, i have good temperature reading from each side of battery box in each box. Since i have cells in front and back boxes i needed to extend 3wire cable front-back. I used 3pin sealed connectors with caps which can be screwed...
  24. A

    Lebowski's motor controller IC, schematic & setup, new v2.A1

    Hm... i am not so sure. See Allegro datasheet page 6 COMMON OPERATING CHARACTERISTICS https://www.allegromicro.com/~/media/Files/Datasheets/ACS759-Datasheet.ashx Output Load Resistance RLOAD(MIN) VIOUT to GND 4.7 – – kΩ Maybe it also needs pulldown. I remember TomDB having similar problems with...
  25. A

    New Mahle Motor ?

    Ok i agree, this is a step forward actually. At least it eliminates collector rings. So does that make this SR motor or more like separately excited SM = SESM not PMSM :)? One thing i can accept is that now they are able to adjust rotor field in much more detail and with a seperate commutation...
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