"hi criro,
i have the same questions, did you find any answers??"
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Umer's Discussions
Adaptive tuning Fuzzy PID controllers
Started this discussion. Last reply by Umer Aug 7, 2012. 5 Replies 0 Likes
Hello all,For my MS thesis, i am proposing "Adaptive tuning Fuzzy PID controllers". Is this topic viable?Secondly i would start off by simulating this in Matlab/ Simulink. For this i need to have…Continue
Arducopter Hexa moves in backward direction APM1 v2.6 (No wind)
Started this discussion. Last reply by Michael Pursifull Jun 25, 2012. 2 Replies 0 Likes
Hello all, I tired to fly the Arducopter Hexa jdrones 880Kv APM1 v2.6, in Stabilize mode at a lower height in no wind condition. Problem is it is moving in the backward direction while i am applying…Continue
Problems. Stabilize mode- jdrones Hexa-X V2.5.5 880Kv 12x4.5
Started this discussion. Last reply by Florian G Jun 17, 2012. 1 Reply 0 Likes
Recently, I tested the jdrones Arducopter Hexa V2.5.5, stock pids with Rate Roll P = 0.1, Stabilize control P = 3.5, I = 0.01, Imax = 2.000, Trim throttle = 450.Flight: Stabilize modeI controlled the…Continue
Radio Calaibration showing all the bars blank on APM Mission planner
Started this discussion. Last reply by Umer Apr 30, 2012. 6 Replies 0 Likes
Hello All,Lately my Xbee Pro failed during a mission with my Hexa jdrones Arducopter…Continue
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Umer replied to Zachary Eldridge's discussion Iphone and Android App Ground Control Station with Mavlink is in Progress"you have connected only the rx and tx of 3dr radio with bluesmirf. What about the rts and cts pins at both 3dr radio and bluesmirf, no need to connect them? "
Umer commented on Bart's blog post Copter-GCS with Mission Support and more"I am trying to use copter gcs on htc flyer. I have 3dr radio and bluetooth bluesmirf gold. How the pin connections are to be made between 3dr radio and bluesmirf. I have right now connected the tx, rx, cts and rts of bluesmirf with 3dr radio tx, rx,…"
Umer commented on Bart's blog post Copter-GCS with Mission Support and more"More specifically can XBee Explorer Regulated be used with 3dr radio?
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Umer commented on Bart's blog post Copter-GCS with Mission Support and more"Can this setup be used with the 3dr radio?
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Umer replied to Randy's discussion ArduCopter 2.7.2/2.7.3 released"jani nice to hear from some 1 whose platform i am using.
For this release, Can u please tell me is there any PID parameter change required for Jdrones Hexa 880 Kv 12x4.5??"
Umer replied to Umer's discussion Adaptive tuning Fuzzy PID controllers"So SITL is the way to go. Now for gain scheduling PID controller using fuzzy logic, either:
a) I need to develop arduino code for fuzzy logic from scratch, as i dont find it anywhere. OR
b) Design the Fuzzy logic control in MATLAB/ Simulink and…"
DeveloperAndrew Tridgell replied to Umer's discussion Adaptive tuning Fuzzy PID controllers
"Hi Umer, As Jake suggests, using SITL is the way to go. It will give you a pretty accurate idea of how well your control code is working.
You should also have a talk to Jon Challinger. Jon is re-working the control code in ArduPlane in preparation…"
Jake Stew replied to Umer's discussion Adaptive tuning Fuzzy PID controllers"I would first look at how the Paparazzi project is using adaptive control loops. That should give you some ideas.
For the simulation I'd just use the SITL setup people are using here. If you want to model the formulas directly in…"
Umer replied to Umer's discussion Adaptive tuning Fuzzy PID controllers"Actually Now i am the point where i need a matlab/ simulink model for APM pid control. I need to ask
1. Any link explaining the APM pid control loop in detail so that i may start making matlab/ simulink model?
2. Any work previously done regarding…"
Jake Stew replied to Umer's discussion Adaptive tuning Fuzzy PID controllers"AFAIK nobody is yet working on this. It is one area that the APM is sorely lacking. People frequently complain about the complexity of PID gain tuning.
People often claim that other stabilization boards work pretty much out of the box…"
Umer posted a discussionAdaptive tuning Fuzzy PID controllers
Hello all,For my MS thesis, i am proposing "Adaptive tuning Fuzzy PID controllers". Is this topic viable?Secondly i would start off by simulating this in Matlab/ Simulink. For this i need to have Matlab / Simulink model of the PID controller for ardupilot mega. Now, is there any effort already done in this direction? How should i go about it?See More
Umer replied to Marco Robustini's discussion ArduCopter 2.7 Released!"Hey, i am testing jdrones hexa 880 kv for altitude hold using arducopter 2.7 on apm2. I want to test the altitude hold in my backyard that is not a big area. I may rise the arducopter to a height of 10-12 feet. The wiki recommends 20 m height for…"
Umer replied to Randy's discussion ArduCopter 2.6 released!"I have a query regarding arducopter 2.6:
For 880 Kv motors, value of Rate Roll P should be 0.09-0.1 (as stated in wiki) or 0.110 (as mentioned in mission planner Med P = 0.110) ?"
Umer left a comment for Anis Nielsen"Hey Anis, In some previous conversation, you told me to remove the high rise landing gear from the Arducopter jdrones hexa while in testing phase. Do you have any picture etc of the hexa without landing gear? How did you balance it, since the lipo…"
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