ICS Current sensing problem

[vad_21]

Posted on February 29, 2016 at 20:28

We use

the motor

control

library STM32 PMSM FOC V4.2

.For

current

control

using

2

ICS

,

but

of

all

the formula

to

calculate

the current , torque

used

 

value of

Rshunt(Ohm) and AmplificationNetworkGain

. Current[A] = [Current(s16A) * Vdd micro(V)] / [65536 *

Rshunt(Ohm) * AmplificationNetworkGain]

.

.. How to solve this problem?

P.S.

All

boards STM  use  shunt resistors as current sensors

[re.wolff9]

Posted on March 14, 2016 at 10:33If for example your ICS ouputs 10mV/A, you can assume a 1mOhm resistor and calculate from there that it would correspond with an  AmplificationNetworkGain of 10. 

[Laurent Ca...]

The question has been moved from the "Motor Control Hardware" section to the "STM32 Motor Control" section (the question is about the STM32 MC SDK). 

Best regards