Hi everyone,
I need a custom controller for my wheelchair related project (or at least that's what I think I need, but any advice is appreciated)
I am trying to make this add-on device that attaches to a wheelchair and makes it into electric powered.
I want to use a 16" wheel and a normal hub motor.
I got a high torque version of a Ebike motor BLDC Hub motor For Sale | MAC motor.
They usually come with 8 or 10 windings, I asked them for 16, because my application needs high torque and can live with lower max speed.
They said the 16T motor will be around 700W but they didn't give a real number. The base motor is 1000W.
Their stock controller doesn't work with the 16T variation and they don't want to engage into a project to make one.
So here is what my ideal solution will allow me to do:
Here's a video of my prototype (with my friend Quinto riding it):
It's with another motor on this video.
Any advice on an existing controller that will do the job is great.
Any advice on what needs to be programmed or built also.
If anyone here can do projects like this I am interested to talk with you.
Thank you
Dimitre
I need a custom controller for my wheelchair related project (or at least that's what I think I need, but any advice is appreciated)
I am trying to make this add-on device that attaches to a wheelchair and makes it into electric powered.
I want to use a 16" wheel and a normal hub motor.
I got a high torque version of a Ebike motor BLDC Hub motor For Sale | MAC motor.
They usually come with 8 or 10 windings, I asked them for 16, because my application needs high torque and can live with lower max speed.
They said the 16T motor will be around 700W but they didn't give a real number. The base motor is 1000W.
Their stock controller doesn't work with the 16T variation and they don't want to engage into a project to make one.
So here is what my ideal solution will allow me to do:
- 3 or 5 assist levels (it's 100% assist so no pedals)
- have the throttle programmed so the first 10-20% of throttle ramp up power very gradually, then the last 20-40% of throttle ramp up the power more sharply (to reach the max for that assist level). But have this mapping different for every assist level, so that level 5 for example can have a more aggressive profile from the start of the throttle range of motion compared to level 1.
- work with a normal/generic dashboard that is not the Cycle Analyst
- support all the other standard things like front light and rear light
- be extremely durable. It's a hassle for everyone to deal with faulty electronics but for people with disability it is amplified, so I need a solution that's rock solid. Even at the expense of underpowering the motor (which I also like as a general idea so that the motor itself lasts as long as possible)
- be able to continuously start from 0 km/h without helping the motor
- have a reverse mode
Here's a video of my prototype (with my friend Quinto riding it):
It's with another motor on this video.
Any advice on an existing controller that will do the job is great.
Any advice on what needs to be programmed or built also.
If anyone here can do projects like this I am interested to talk with you.
Thank you
Dimitre