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Old 07-06-2022, 04:03 PM   #1
iJeffG
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Join Date: Mar 2022
Posts: 3
Default 2022 Icon Controller - Regen Tuning

on my 40L, the deceleration when taking foot off accelerator pedal was aggressive...stronger than I would want to brake in many cases. We could stop the cart on REGEN only. The aggressive nature of the decel had me considering to disable all together.

Then I leveraged my 15 years of EV controls (Ford) to the cart, and applied what you all have been sharing.

I tuned the REGEN using the GenCurrentLimit on the Power Limit tab- which I assume is the Generator Current Limit. A generator is nothing more than a motor using mechanical energy to increase voltage on the motor input (i.e. charging your batteries). The stock current limits for all 5 drive-speed ranges were 225...so I tuned them down as below
GenCurrentLimit BS0-->BS5
BS5 225
BS4 200
BS3 175
BS2 150
BS1 125
BS0 100

These settings significantly reduced the resistance of the generator acting on the wheels, thereby lessening the decel force. Much much smoother and comfortable.

Note, that doing this will reduce the energy dumped back in to the battery during these decel periods...so if you have long steep hills, you may find going down that you are not charging the battery back up as much as prior to reducing these limits,
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Old 07-06-2022, 05:18 PM   #2
__JAG__
Getting Wild
 
Join Date: Apr 2022
Posts: 99
Default Re: 2022 Icon Controller - Regen Tuning

Quote:
Originally Posted by iJeffG View Post
on my 40L, the deceleration when taking foot off accelerator pedal was aggressive...stronger than I would want to brake in many cases. We could stop the cart on REGEN only. The aggressive nature of the decel had me considering to disable all together.

Then I leveraged my 15 years of EV controls (Ford) to the cart, and applied what you all have been sharing.

I tuned the REGEN using the GenCurrentLimit on the Power Limit tab- which I assume is the Generator Current Limit. A generator is nothing more than a motor using mechanical energy to increase voltage on the motor input (i.e. charging your batteries). The stock current limits for all 5 drive-speed ranges were 225...so I tuned them down as below
GenCurrentLimit BS0-->BS5
BS5 225
BS4 200
BS3 175
BS2 150
BS1 125
BS0 100

These settings significantly reduced the resistance of the generator acting on the wheels, thereby lessening the decel force. Much much smoother and comfortable.

Note, that doing this will reduce the energy dumped back in to the battery during these decel periods...so if you have long steep hills, you may find going down that you are not charging the battery back up as much as prior to reducing these limits,
I would have just adjusted the decleration time. The issue you could have by limiting the current during regen is the controller could trip if it is trying to decel at a high rate but cannot dump the current anywhere.
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Old 07-13-2022, 09:27 AM   #3
AdamP
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Join Date: Sep 2021
Location: Port st Lucie Florida
Posts: 68
Default Re: 2022 Icon Controller - Regen Tuning

I have a customer who hated it so much he had me turn it off completely
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Old 07-13-2022, 09:03 PM   #4
__JAG__
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Join Date: Apr 2022
Posts: 99
Default Re: 2022 Icon Controller - Regen Tuning

Some people don't like it. It is tunable. My honestly I never use the actual brake pedal except for that last foot of stopping. Will definitely make the brakes last longer.
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