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Originally Posted by bennelson
Nearly all EVs are "Fly by Wire", using electric components to send signals. That gives more design flexibility. No reason why a car couldn't be designed with a foot pedal, but moving just one potentiometer and a pair of wires to the dashboard makes it a hand-control.
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That's a good point with the EVs. But it's not restricted to them, it's also used in some vehicles adapted to disabled drivers.
http://www.emc-digi.com/site100-01/1...&SS=&Ver=0&W=M
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I also like the idea of a separate pedal for regenerative brakes. On my hybrid truck project, I'm leaning towards separate accelerators for the engine and electric motor systems, as this maximizes the driver's control. Any sort of computer-controlled or automated system does not take into account all driving situations, whereas the driver can.
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Instead of a 3rd pedal, why not a steering wheel-mounted secondary accelerator for the electric drive? That would prevent some confusion if you'd ever lend the vehicle.