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How to make BLDC work smoothly in low speed(400rpm) low temperature(-40DC) while use S912ZVML12F for controller?

Question asked by Ray Deng on Oct 28, 2015
Latest reply on Nov 12, 2015 by Ray Deng



     Does anybody have any experiences in improving BLDC driving in low speed(about 400RPM) without hall sensor,especially in low temperature(about -40DC)?


     Please help me with this problem, my customer and me have blocked by such problem a lot.


     Thanks and Best Regards.



Ray Deng