Curtis Instruments or Zapi will do a controller (or matched pair) that will do your job.
The use a fly-by-wire input and simple voltage input for direction control.
Would be a lot easier to use a stand alone black box from these guys rather than trying to bodge a Nissan Leaf controller
A lot of 3-wheel electric forklifts use a single motor controller with dual motor outputs (one for each drive wheel on the front of the truck). They use a steer angle input to vary the motor speed (and even reverse drive) in tight turns. We wouldn't need that input but if you were getting creative you could use it as a form of traction control.
If the rear wheels were spinning you could theoretically cut output to the rear motor while maintaining the required power to the front axle (or vice versa) restoring it when the abs sensor inputs match
I can put a call in to either of those suppliers if needed
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Daily drive:
2016 Infiniti QX70.....a car that's even more complicated than my last Infiniti FX to modify
Current 'Project':
VW Crafter CR50 4 berth camper van
Previous 'Projects':
2006 Subaru Legacy Spec 'B' 3.0R,
1994 Ex-MOD Land Rover Defender, now "civilianised".
2000 Audi S8 FL
www.whall.co.uk
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