Search found 1199 matches

by EV_Builder
Sat Sep 09, 2023 12:28 pm
Forum: Hyundai/Kia
Topic: Kia Niro BMS
Replies: 146
Views: 32031

Re: Kia Niro BMS

Biggest chance is the software needs adaptation for amount of slaves and or slave differences.
by EV_Builder
Thu Sep 07, 2023 7:43 am
Forum: General
Topic: What is Protistor and what it does?
Replies: 17
Views: 4862

Re: What is Protistor and what it does?

I2T is a way to describe absorbing capabilities. Like a bucket; when its full it trips. But the bucket has a hole so if the fuse gets time to rest the bucket will empty; is it being over used during T time it will trip. That's what I2T means and does. So basically it gives an idea what the above nom...
by EV_Builder
Mon Sep 04, 2023 1:44 pm
Forum: Getting Started
Topic: Emergency Stop Wiring
Replies: 29
Views: 6602

Re: Emergency Stop Wiring

Is it an hardware signal or a software one?
Does it go to a logic gate for example or is it read as an input?

@OP:
So keep 12Volt high, but drop an relais which pulls this line to ground (on the correct place, in the correct way pull down?!?).. etc.
by EV_Builder
Mon Sep 04, 2023 12:15 pm
Forum: Getting Started
Topic: Emergency Stop Wiring
Replies: 29
Views: 6602

Re: Emergency Stop Wiring

If I was you I would try to bring the HVIL signal external. That signal is designed tobe Estopish behaviour. And still I advise to study it's working tobe sure you aren't safe by feeling instead of by design.
by EV_Builder
Wed Aug 30, 2023 6:03 am
Forum: Projects
Topic: 2008 Nissan Quest Van with Tesla SDU. [FINISHED]
Replies: 123
Views: 95458

Re: 2008 Nissan Quest Van with Tesla SDU. [FINISHED]

Send mail to the custom shaft producers they sure know.
There is also a brand on autodoc for driveshafts they sell the boot too If memory serves me right.
by EV_Builder
Tue Aug 29, 2023 4:34 am
Forum: Projects
Topic: [FIRST DRIVE] Upcycling a Suzuki Samurai
Replies: 30
Views: 6442

Re: [FIRST DRIVE] Upcycling a Suzuki Samurai

No expert yet on motor tuneing but the 4.4khz doesn't seem too high and also deadtime zero. Is something what caught my eye.

Are these correct?
by EV_Builder
Mon Aug 21, 2023 12:11 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: VW Mild Hybrid Starter Alternator
Replies: 122
Views: 28437

Re: VW Mild Hybrid Starter Alternator

So a typical reflash / OI solution is needed then...
by EV_Builder
Sat Aug 12, 2023 9:25 pm
Forum: Tesla
Topic: Snap-ring tesla front sdu
Replies: 8
Views: 726

Re: Snap-ring tesla front sdu

the driveshaft company in poland has them (and maybe others too).
by EV_Builder
Tue Aug 08, 2023 12:44 pm
Forum: Classifieds
Topic: Various Batteries (Tesla, BMW), and other parts
Replies: 28
Views: 8200

Re: Various Batteries (Tesla, VW), Lexus 300h, other parts

The Peugoet battery which year is it?
Is it 6S2P per model or 6S1P?
by EV_Builder
Sun Aug 06, 2023 12:46 pm
Forum: Battery Managment (BMS)
Topic: Switched ADC BMS
Replies: 175
Views: 34447

Re: Switched ADC BMS

Having the BMS control contactors is generally a bad idea because disconnecting the battery under load is a good way of killing inverters. You can get away with it in low power aplications, like power tools (they generally use MOSfets to connect/disconnect the battery) and in fact it's very common ...
by EV_Builder
Wed Aug 02, 2023 11:45 am
Forum: Battery Managment (BMS)
Topic: Peugeot e-208 CATL modules BMS interface [SOLVED]
Replies: 86
Views: 27858

Re: Peugeot e-208 CATL modules BMS interface [SOLVED]

Interesting there are also 6S1P out there.
by EV_Builder
Wed Aug 02, 2023 8:18 am
Forum: Battery Managment (BMS)
Topic: Peugeot e-208 CATL modules BMS interface [SOLVED]
Replies: 86
Views: 27858

Re: Peugeot e-208 CATL modules BMS interface [SOLVED]

Are the 50kwh packs 6S2P?
by EV_Builder
Tue Aug 01, 2023 11:16 am
Forum: General
Topic: Isolation Monitor - Suggestions?
Replies: 53
Views: 10105

Re: Isolation Monitor - Suggestions?

and if 600volts dc is enough.
by EV_Builder
Tue Aug 01, 2023 10:33 am
Forum: Getting Started
Topic: Newb Asks: Hey, what does the inside of a contactor even look like?
Replies: 8
Views: 4072

Re: New Asks: Hey, what does the inside of a contactor even look like?

Materials aren't cheap. Some are gas filled. Reliability is an important cost driver too. So maybe it's more R&D then production costs.
by EV_Builder
Sun Jul 30, 2023 5:09 pm
Forum: BMW
Topic: BMW S-Box Phev (SafeyBox 9846612)
Replies: 43
Views: 10168

Re: BMW S-Box Phev (SafeyBox 9846612)

A float is quite flexible I think something else is going on.... Normally a float is 4 bytes; in the code i only see 3 being Processed. I think you should try adding the 4th and maybe the value is just below zero sometimes.... To test you add byte nr [3] and you shift left (<<24). If you need more h...
by EV_Builder
Sun Jul 30, 2023 7:38 am
Forum: BMW
Topic: BMW S-Box Phev (SafeyBox 9846612)
Replies: 43
Views: 10168

Re: BMW S-Box Phev (SafeyBox 9846612)

Can you post a piece of code of that variabele? And especially where it's written too?
by EV_Builder
Wed Jul 26, 2023 12:47 pm
Forum: VW (VAG, Volkswagen, Audi, Porsche etc.)
Topic: EV MPPT for E-Golf 2020
Replies: 24
Views: 6741

Re: EV MPPT for E-Golf 2020

Using charger logic is what i would do then the car regulates and enables by default every function you need for external addition of energy. most important one cooling (if needed) and shutdown when done charging? Tapping into CCS2 wires with relais making choices (real CCS2 or solar) etc. is then p...
by EV_Builder
Wed Jul 26, 2023 12:40 pm
Forum: Hyundai/Kia
Topic: Hyundai IoniQ 2020 HV battery pack
Replies: 59
Views: 13124

Re: Hyundai IoniQ 2020 HV battery pack

Very nice battery; soon i will support it also!
by EV_Builder
Sun Jul 23, 2023 7:49 pm
Forum: General
Topic: LMDh Race Car
Replies: 4
Views: 459

Re: LMDh Race Car

6km/h? I think the central locking system?

They might auto lock the doors right? So maybe that message of doors closed need tobe present?
by EV_Builder
Sun Jul 23, 2023 5:07 pm
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

I use both pedals in drag racing to warm up the tires, for drifting and when parking on curbs to better control performance and save time switching from one pedal to the other. In addition, when driving on the street, I want to use the second analog input and the brake light signal to variably cont...
by EV_Builder
Sun Jul 23, 2023 3:29 pm
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

I feared that. For me, braking and accelerating at the same time is a normal driving situation. It should be parameterizable, then everyone has the choice. Can you explain that? Street use? I think the product should follow and support the OEM logic. Anyway since we didn't seem to detect a brake si...
by EV_Builder
Sun Jul 23, 2023 10:32 am
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

Exactly; and do filtering and sanity checks on the brake input signal / hw. When I'm at it I will come up with more ideas and hw etc.
by EV_Builder
Sat Jul 22, 2023 3:23 pm
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

I agree Pete for this moment it's the best quick solution.

Most important IMHO is respecting brake inputs.
And make a class which analyses input behaviour so its signal is uniform through the application and it's safe.

An error disables the drive and needs a reboot to clear.
by EV_Builder
Fri Jul 21, 2023 6:38 am
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

Just found on the news: https://eu.usatoday.com/story/money/cars/2023/07/20/almost-62000-nissan-leaf-vehicles-recalled-unintentional-acceleration/70439645007/ At least it's not just the hobby level open source stuff 😉 Well the brake solves here the problems.. "The vehicle may continue to accel...
by EV_Builder
Fri Jul 21, 2023 6:35 am
Forum: Inverters / Motor Controllers
Topic: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?
Replies: 114
Views: 24523

Re: My Car tried to Kill me today (1973 Beetle +SDU Conversion), Potential Cruise Control Bug ?

Pistol coming: System safety starts with hw design.... then comes implementation level.... An CANBus driven inverter should start with implementing hw layer errors. CANBus perhipial errors. And that for all used perph in the hw in the micro. Do we auto resend? Do we know that we are auto resending? ...