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From: Xian on 14 Apr 2010 04:05
Hi,
I am currently a project on motor control. I measured the motor speed by a Hall sensor. The other two Hall sensor signals I used as the encoder to detect the direction of rotation. The motor can rotate in both directions and will be working like this: the engine turns on in one direction and begins to Geschwidigkeitkurve of 0. After a small overshoot the curve remains constant. Then the motor turns off for short and continues to turn in another direction. But the curve that I have seen from Matlab, is not the way it was. The curve does not go to 0 when the engine is turned off briefly.
So, the question is: how can I do in Matlab Simulink, to draw the curve of the speed to 0? Which block should I take?

Thanks a lot!
xian
From: Xian on 14 Apr 2010 04:47
nobody??????
From: us on 14 Apr 2010 04:55
"Xian " <liu(a)berlinheart.de> wrote in message <hq3ve6$p7n$1(a)fred.mathworks.com>...
> nobody??????

you posted your request about 42 minutes ago...
do you think CSSMers were just waiting for YOU(?)...

us
From: Xian on 14 Apr 2010 05:24
"us " <us(a)neurol.unizh.ch> wrote in message <hq3vtc$2n8$1(a)fred.mathworks.com>...
> "Xian " <liu(a)berlinheart.de> wrote in message <hq3ve6$p7n$1(a)fred.mathworks.com>...
> > nobody??????
>
> you posted your request about 42 minutes ago...
> do you think CSSMers were just waiting for YOU(?)...
>
> us

i just need some help. if you can not help, please save you time.

xian
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