Search found 135 matches

by arber333
May 24 2020 2:05am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Well the first time I went fast I got to 100km/h on GPS. But now I am a bit reluctant to try more before I get the retention plate in. Otherwise motor still wanted to pull at that speed. I think fw starts at 4krpm mechanical and works really good. Regen as well. I had to shield my phase cables. I wi...
by arber333
May 23 2020 10:54am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Yes I think it is axle related. But I am a bit on edge since I spliced Nissan Leaf and Pug shafts and I think I did a good job. But still... Well after a visual inspection of both axles i found out i didnt use the bearing retention plate. I havent got it from my motor supplier or from driveshaft su...
by arber333
May 17 2020 10:02am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Yes I think it is axle related. But I am a bit on edge since I spliced Nissan Leaf and Pug shafts and I think I did a good job. But still...
by arber333
May 16 2020 3:32pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

I still have rubbering shakes when i drive at speed. I tried to rebuild my speedo sensor and it is now out of the way of magnet collar. Feeling is kind of like you would drive on tiles. But when i investigated further it seems this only happens when i have the steering wheel centered or to the right...
by arber333
May 10 2020 4:55pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Damn! I had loose screws on front wheels!
:shock:

Also I see signs of magnet case on axle hitting hall speedo sensor. I think this was the source of rubbing. Very disturbing I should think. Of course hall sensor is dead...
More work to do.
by arber333
May 09 2020 12:43pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

I used caps per schematic... 1nf if I recall correctly. Should I use less?
I dont use any 4K7 pullups since sensors provide push pull signal of their own.

I will remove hall assisted setting and test again.

BR
by arber333
May 09 2020 12:35pm
Forum: Motor Technology
Topic: Kelly KAC7275H and Renault Twizy motor
Replies: 2
Views: 216

Re: Kelly KAC7275H and Renault Twizy motor

Hi I can offer more data here: https://openinverter.org/forum/viewtopic.php?f=12&t=241&hilit=Letrika+twizzy&start=10#p4497 Encoder is AB reluctance type. Are there 4 wires in its connector? I think it counts 64 ppr. Motor is made in Slovenia and was used in a lot of surprisingly large cars here. Wit...
by arber333
May 09 2020 11:43am
Forum: Motor Technology
Topic: Buick Lacrosse 2012 e-assist moto-alternator
Replies: 172
Views: 24378

Re: Buick Lacrosse 2012 e-assist moto-alternator

Well you could use Hübner controller. It comes native to ACIM and now can runs with resolver directly. Head out to www.openinverter.org and search forum. You can then decide what your power section will be. We have various in different stages of development from prius Gen2 and 3 to Volt drive and th...
by arber333
May 09 2020 11:08am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

You are ahead of me. I wanted to gather some more data before I accuse your firmware here... Well here goes... I use 1.2,0,0 throttle and -0.4,0,0 regen like Arlo suggests and I like smooth response. I will try your settings too. Right now at speed (or higher rpm) I feel motor instantly pulling back...
by arber333
May 04 2020 5:49pm
Forum: Motor Technology
Topic: The HI-Lebowski: a Lebowski SMD brain running a zombified Honda IMA Inverter: *a HOW-TO guide*
Replies: 37
Views: 1593

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

This is some serious pirate work. Well done. :twisted: Did you consider using a fault signal to put Lebowski into reset if something bad happens? Also 2us for automotive power section seems small. I use 3.1us with Volt inverter. I broke two Volt inverters using 1.8uS because i mistakenly calculated ...
by arber333
May 04 2020 1:22am
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

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

Lebowski wrote:
May 03 2020 1:48pm
I would wire twist all signals with a ground wire. The ground twisted wire should be connected on both ends.
I tried this also. I used GND wire and connected at both ends. No noticeable improvement. Only after caps inputs calmed down.
by arber333
May 03 2020 5:14pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

The car is moving! I installed inverter, calibrated throttle, setup reverse switch and wired my PRD relays. I calibrated RLS encoder to get sensored start. The car was automatic. I have brake boost and EHPAS pump working. I just need to connect my DCDC CAN instruction. I will need to reinstall front...
by arber333
May 03 2020 7:23am
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

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

Are you using twisted-pair wiring? If not, you might want to do that. Twisted pair is used when you have differential signals or power supply. What i use are just 5V digital signals. Twisted wire wont work with same polarity signals. But i succesfully decoupled noise from reset and setup lines with...
by arber333
May 02 2020 3:26pm
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

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

Well, when i connected some wires to have offboard controls of reset and setup etc i saw some serious LED fiddling. Leds would come on at once or controler would just conck out if i tried to provide throttle. It was giving me hell untill i decided to decouple all the pins where wires are involved. I...
by arber333
May 02 2020 3:49am
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

Re: Lebowski controller IC 2.A1 source code and (short) explanation

The caps is between the throttle input and ground ? With th 10k to ground and the 3k3 to the 5v ? Of course not. 10k is inline and 3k3 is to GND. 470uf is from junction to GND. I apply 12v into this line and I get slowly rising 3v3 on throttle line. However I will have to work on this still. Last t...
by arber333
May 01 2020 8:51am
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

Re: Lebowski controller IC 2.A1 source code and (short) explanation

Just like you said, i used 10K/3K3 divider on throttle line and added 470uF cap across 3K3.
I got 1s voltage rise to 3V3 and that is enough to reliably start compressor every time.
I will now use this with AC clutch signal. YAY!
by arber333
May 01 2020 8:47am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

I am really happy! I got automatic AC start e.g. by AC clutch signal. Like Lebowski stated i made simple voltage divider in front of throttle line. 10K/3K3 and i added 470uF cap across 3K3 resistor. When i apply 13V to this line it makes 3V4 on divider, but cap charges it in about a second. This sig...
by arber333
Apr 30 2020 8:23am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Also i tested the compressor some more and i get very good results with:

1. changed max phase amps to 25A

2. Changed acceleration limiter to 1 and 5

3. Changed wiggle settings
f) wiggle range: 90 deg
g) wiggle rate: 180 Hz

Now it will spool off at once as i apply tiny bit of throttle
by arber333
Apr 30 2020 7:30am
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

Re: Lebowski controller IC 2.A1 source code and (short) explanation

Lebowski i got an idea... and that could be good, or it could be disaster. You never know by me :). How is the throttle function used in code? Is it possible to use it as auto-throttle with a timer and a single input? Instead of analog input there would be 1 or 0 (5V signal) If signal would be 1, fu...
by arber333
Apr 30 2020 3:11am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Yes please let me know how it goes. I have great experience with simple Johannes resolver interface. EDIT: I may put a dual Lebowski board in production. This one i intend to make with Prius resolver chip. @Kiwifiat, how did you find that chip operating in resolver 2 communtation mode on its own? I ...
by arber333
Apr 29 2020 1:53pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Well i tested what you said and i used those values on my Prius compressor f) wiggle range: 74 deg g) wiggle rate: 119 Hz I now get reliable start everytime with some ratcheting of course. But important is that motor wont just conk out if i apply too much throttle. Eventually it will start accelerat...
by arber333
Apr 28 2020 12:37pm
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

Did you play with the wiggle angle and frequency in the misc menu ? Yes quite some, but i couldnt eliminate the jumpiness of the motor at start. I can work it out, but i need a way how to approach this. Is there an approach, like "use 5Hz period and move in steps of 5deg" or something? How would yo...
by arber333
Apr 28 2020 4:44am
Forum: Motor Technology
Topic: Ampera/Volt inverter with Lebowski brain
Replies: 118
Views: 9400

Re: Ampera/Volt inverter with Lebowski brain

How did you tune up your motor for a good start. Which parameters are involved?

Tnx
by arber333
Apr 27 2020 3:06pm
Forum: Motor Technology
Topic: Lebowski controller IC 2.B0 source code and (short) explanation
Replies: 35
Views: 1935

Re: Lebowski controller IC 2.A1 source code and (short) explanation

I tried running the Outlander motor with new firmware 2B0. I can see it is more stable just by running it without load. But when starting from still motor wiggles anyways. I thought it would just turn into one direction. I will try and connect inverter to Leaf EM61 motor in my car now. I will test i...