DanGT86
100 kW
I am using the small 30mm LMX motor. I'm having some issues with the hall sensor signal not being clean. I suspect that I am picking up flux from the windings because the sensors are so close to them.
I was considering making a small plastic ring with magnets and a stand alone hall board so I can be completely away from the windings.
So I am wondering about the optimal shape and arrangement of the magnets. I can get arc magnets that form a complete circle or small rectangular magnets to glue into slots on my ring. Its only a 4 pole motor and the rotor magnets wrap almost entirely around the rotor.
Which option is better? Is it ok to have large gaps if I am using latching sensors since they will still trigger on the change events?
I was considering making a small plastic ring with magnets and a stand alone hall board so I can be completely away from the windings.
So I am wondering about the optimal shape and arrangement of the magnets. I can get arc magnets that form a complete circle or small rectangular magnets to glue into slots on my ring. Its only a 4 pole motor and the rotor magnets wrap almost entirely around the rotor.
Which option is better? Is it ok to have large gaps if I am using latching sensors since they will still trigger on the change events?
- If I use rectangular magnets there will be big gaps between them
- If I use arc magnets there will not be large gaps between them
- If I don't make a ring but move the sensors from in the slots to pointing axially down at the ends of the rotor magnets, would that be an improvement?