Is there a standard-issue way to electronically sense a BLDC motor approximate torque and shaft angular velocity without resorting to magnetic sensors like Hall effect, etc?
This one doesn't have the commutation lines brought out or anything, it just has two terminals. You apply a DC voltage across the terminals and it spins one way, and vice versa.
Wait, I don't think that doesn't make sense. This is probably a brushed motor. Oh well, same question applies
Approximately?
"angular velocity" == volts torque == amps
It becomes more accurate if you first qmeasure the winding resistance and subtract this out when calculating an "effective" voltage across theq windings.
-- John Devereux
Sounds like a PM motor,,
and yes, you can measure current demand and convert that to torque..
PM motors will back generate energy with no load there by once at set speed via the applied voltage the only current you see is that of what's need to to turn the rotor with what ever is attached to it, including itself.
There is 746 Watts to every horse power., at least that is what it used to be...
Being a Two wire it sounds like a PM-DC motor or a integrated brushless, like a PC fan motor.
I guess it could also be a series motor but those like to scream with no load..
Jamie
Yeah it's just a regular brush commutator PM DC motor.
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