Endless Sphere

Did progress ever get made on this project? I've been playing around with instaspin recently for fun (strange idea of fun I know). I've been working towards getting a controller going with the 28004x.

Nice parts, I really like the brake/sprocket adapter.

Is regen or braking possible on the castle controller?

I bet there's a tip that can do what you're after

Doesn't it just use a resistive heating element like most other stations?

Surely the controller is bad since you get normal values with the good PR on the same motor.

You can try measure the voltage drop across the body diodes of the mosfets with the dmm diode tester and see if there is anything funny there.

Sorry I meant measure the voltage with your multimeter and see if it agrees with what the controller reports.

Of course the controller is not going to drive the mosfets if one phase is at a very low voltage. Have you actually measured the open circuit phase voltages with the controller powered on?

I see you have measured the phase to supply negative resistance with a dmm and not found any shorts.

The ASI software is actually called "Bacdoor". It's available for PC and android but the android version requires a valid ASI account and password (which you will probably not get). Also keep in mind that it is possible for a vendor to password lock a controller, in which case you will not...

I've considered carrying a spare controller for a while now. Curious to see who else actually carries a spare or has one hooked up.

Classic solution in need of a problem?

I take it QEMU is also inherently faster than something like virtualbox? Not sure about speed but I don't think virtualbox supports gpu passthrough. ..can it also do USB audio device / PCI audio device passthrough? because that would solve a massive problem i have doing music production in a window...

I believe the problem with these switched inductor and capacitor balancers is that the balancing current is proportional to the voltage difference. So my understanding is that the balance current tapers off and it gets quite slow as the cell voltages get closer.

What virtual machine software can do a gpu passthrough? i'm intrigued! Check out the vfio kernel module. You use the vfio driver on the display you want to pass through. Then you can just add the pcie device in qemu the usual way. The performance is pretty darn good. To me the performance in games ...

I've run Linux on my laptops and desktops for a few years now. Distro hopped a bit initially but settled on Fedora with Gnome as I like their release cycle but with frequent kernel updates which is nice on newer hardware. Also use a windows vm with gpu passthrough for gaming and other windows only s...

ASI also has three access levels

The waveform from the hall sensor with the motor spinning should be 50% duty cycle as the rotor magnets toggle it on and off.
Is the vesc able to detect the hall table?

John Bozi wrote: ↑

Oct 22 2020 4:48pm

(I am not keen on hundreds of cylindrical cells that I cannot repair).

Have you seen the nese modules?

District prawn I could give you a massive kiss what a find my friend thought I'd of been searching for ages for these, looks like i need a 0640 version to get the peaks and use my controllers heat sink. They let you do that when you're a celebrity :roll: There was a short thread on their controller...

It looks like these. https://silixcon.com/products/

You would need to compile the vesc controller firmware and vesc tool program to use that branch. I'm not sure if that branch should be used for field weakening as only the MTPA code has been merged and not the FW part. I've implemented field weakening on my ebike a different way and have been riding...

Have you tried using the pc software? It does not require a login.

Hey congrats on getting a motor spinning from scratch! Your project seems like a great way for people to learn motor about motor control. Arguably easier to get into than the available dev kits made for that very purpose.

Do you reckon your 26650 modules would work with 26800 if the print was scaled?

I spoke with technician, and he sad that cause of failure -is broken bearing. Because of it, a heavy load on the gears began I haven't seen your broken gearbox up close but the bearings in planetary gearboxes should be very reliably since the forces are balanced. Is your controller very rough and j...

Very cool! Is the field weakening firmware based on the Power Designs experimental branch of the VESC firmware? The field weakening current is calculated based on motor parameters. I think their strategy was to adjust Id to try and maintain modulation at the maximum. I did use their way of adding a...

Tweaked the fw a bit so that Iq decreases smoothly and there isn't that odd surge in power at high speed. Motor power and voltage are now more constant in the field weakening region.