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Re: [simspark-devel] Problem Of Accelerometer
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From: Hedayat V. <hed...@gm...> - 2010-04-04 14:52:56
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Thanks a lot Yuan! <br>
<br>
<span>
<style type="text/css">blockquote {color: navy !important; background-color: RGB(245,245,245) !important; padding: 0 15 10 15 !important; margin: 15 0 0 0; border-left: #1010ff 2px solid;} blockquote blockquote {color: maroon !important; background-color: RGB(235,235,235) !important; border-left-color:maroon !important} blockquote blockquote blockquote {color: green !important; background-color: RGB(225,225,225) !important; border-left-color:teal !important} blockquote blockquote blockquote blockquote {color: purple !important; background-color: RGB(215,215,215) !important; border-left-color: purple !important} blockquote blockquote blockquote blockquote blockquote {color: teal !important; background-color: RGB(205,205,205) !important; border-left-color: green !important}</style><i><b>Xu
Yuan <a class="moz-txt-link-rfc2396E" href="mailto:xuy...@gm..."><xuy...@gm...></a></b></i> wrote on 04/04/2010 2:24:51 PM
+0450:</span><br>
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Hi,<br>
<br>
Thanks for your report.<br>
I think it is the problem of the build-in filter without initialization
value.<br>
I already remove the filter code in accelerometer and initialize the
value.<br>
The data will be a little noise, team can filter it by themselves.<br>
The change is in SVN.<br>
<br>
Wish good games in Iran Open.<br>
<br>
<pre class="moz-signature" cols="72">--
Best Regards,
Xu, Yuan</pre>
<br>
On 04/03/2010 09:33 AM, Hedayat Vatankhah wrote:
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Hi Qu kyocoso,<br>
(CCing Xu Yuan)<br>
nan is an abbreviation for "Not A Number" and it has happened because
for some reason there is a problem in computing the "z" component of
acceleration. I have no idea about how this has happened, and so I'm
CCing this reply to the ACC sensor author, Xu Yuan.<br>
I hope that we could get this problem fixed ASAP.<br>
<br>
Thanks,<br>
Hedayat<br>
<br>
<br>
<span> <i><b>Qu
kyocoso <a moz-do-not-send="true" href="mailto:ky...@gm..."><ky...@gm...></a></b></i>
wrote on 04/02/2010 8:16:40
PM +0450:</span><br>
<blockquote
cite="mid:j2w...@ma..."
type="cite">Dear Hedayat Vatankhah<br>
<br>
My Robot <span></span>received such message
from server:<br>
<br>
(time (now 36.42))(GS (t 28.90) (pm PlayOn))(GYR (n torso) (rt -28.53
2.81 -4.42))(ACC (n torso) (a -0.34 9.96 nan))(HJ (n hj1) (ax
-89.38))(HJ (n hj2) (ax -17.13))(HJ (n raj1) (ax -91.54))(HJ (n raj2)
(ax -12.12))(HJ (n raj3) (ax 90.00))(HJ (n raj4) (ax 34.57))(HJ (n
laj1) (ax -88.46))(HJ (n laj2) (ax 1.88))(HJ (n laj3) (ax -90.00))(HJ
(n laj4) (ax -35.43))(HJ (n rlj1) (ax -1.87))(HJ (n rlj2) (ax 1.59))(HJ
(n rlj3) (ax 51.93))(HJ (n rlj4) (ax -94.05))(HJ (n rlj5) (ax
54.89))(HJ (n rlj6) (ax -1.78))(HJ (n llj1) (ax 0.15))(HJ (n llj2) (ax
3.70))(HJ (n llj3) (ax 44.37))(HJ (n llj4) (ax -61.52))(HJ (n llj5) (ax
34.93))(HJ (n llj6) (ax -1.59))<br>
<br>
My Robot was <span><span title="�����ڵ���"> lying
on the ground</span></span> at that moment. The "nan" had <span><span
title="����">continued</span></span>
for many cycles.<br>
<br>
Please tell me what does "nan" mean? Why I got "nan"?<br>
<br>
<span><span title="�ڴ����">Looking
forward to your reply!<br>
<br>
Best regards,<br>
<br>
Qu<br>
</span></span> <br>
<br>
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