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List: flightgear-devel
Subject: [Flightgear-devel] Flightgear Multiplayer jitter using Matlab/Simulink
From: Yingcai Bi <vcmman () gmail ! com>
Date: 2013-01-21 4:01:54
Message-ID: CACFi=PvGGTi=0U53UQguve5BR+eQOr1YUnMzLcd5mxqsvEHH8g () mail ! gmail ! com
[Download RAW message or body]
[Attachment #2 (multipart/alternative)]
Hi all,
I am a starter here.I'm doing a university project. I need to control two
aircrafts for close formation with two Simulink at the same time.
I do as vbnhu's post in
viewtopic.php?f=4&t=3165&p=174710#p174710<http://www.flightgear.org/forums/viewtopic.php?f=4&t=3165&p=174710#p174710>,
and met the same jitter problem. One plane flies well and another jitters.
fgfs --aircraft=c172p --fdm=network,localhost,5501,5502,5503
--multiplay=in,25,localhost,5701 --multiplay=out,25,localhost,5702
fgfs --aircraft=c172p --fdm=network,localhost,5507,5508,5509
--multiplay=in,25,localhost,5702 --multiplay=out,25,localhost,5701
Then, I tried the LAN fgms, There are two computers for two simulink
controlled fgfs, one computer as the fgms. There is still the jitter
problem.
Now, I find the implementation of network control with simulink in
viewtopic.php?f=36&t=16200<http://www.flightgear.org/forums/viewtopic.php?f=36&t=16200>
.
I wonder if I must implement the multiplayer protocol in simulink and if
the jitter problem can be avoided. Any suggestion from anybody? Thank
you,all.
[Attachment #5 (text/html)]
<div dir="ltr"><span style="color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">Hi \
all,</span><br style="margin:0px;padding:0px;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">I \
am a starter here.I'm doing a university project. I need to control two aircrafts \
for close formation with two Simulink at the same time.</span><br \
style="margin:0px;padding:0px;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">I \
do as vbnhu's post in </span><a class="" \
href="http://www.flightgear.org/forums/viewtopic.php?f=4&t=3165&p=174710#p174710" \
style="margin:0px;padding:0px;color:rgb(16,82,137);text-decoration:initial;font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.2000007629394 \
53px;background-color:rgb(225,235,242)">viewtopic.php?f=4&t=3165&p=174710#p174710</a><span \
style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">, \
and met the same jitter problem. One plane flies well and another \
jitters.</span><blockquote class="" style="margin:0.5em 1px 0px 25px;padding:25px 5px \
5px;background-image:url(http://www.flightgear.org/forums/styles/flightgear/theme/images/quote.gif);background-color:rgb(235,234,221);border:1px \
solid rgb(219,219,206);font-size:0.95em;overflow:hidden;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;line-height:18.200000762939453px;background-repeat:no-repeat \
no-repeat"> <div style="margin:0px;padding:0px">fgfs --aircraft=c172p \
--fdm=network,localhost,5501,5502,5503 --multiplay=in,25,localhost,5701 \
--multiplay=out,25,localhost,5702<br style="margin:0px;padding:0px">fgfs \
--aircraft=c172p --fdm=network,localhost,5507,5508,5509 \
--multiplay=in,25,localhost,5702 --multiplay=out,25,localhost,5701</div> \
</blockquote><br style="margin:0px;padding:0px;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">Then, \
I tried the LAN fgms, There are two computers for two simulink controlled fgfs, one \
computer as the fgms. There is still the jitter problem.</span><br \
style="margin:0px;padding:0px;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">Now, \
I find the implementation of network control with simulink in </span><a class="" \
href="http://www.flightgear.org/forums/viewtopic.php?f=36&t=16200" \
style="margin:0px;padding:0px;color:rgb(16,82,137);text-decoration:initial;font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">viewtopic.php?f=36&t=16200</a><span \
style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">.</span><br \
style="margin:0px;padding:0px;color:rgb(51,51,51);font-family:'Lucida \
Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)"><br></span><div>
<span style="color:rgb(51,51,51);font-family:'Lucida Grande','Trebuchet \
MS',Verdana,Helvetica,Arial,sans-serif;font-size:13px;line-height:18.200000762939453px;background-color:rgb(225,235,242)">I \
wonder if I must implement the multiplayer protocol in simulink and if the jitter \
problem can be avoided. Any suggestion from anybody? Thank you,all.</span><br>
</div></div>
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