Refference QUAD 400 KISS (yet another...)

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Refference QUAD 400 KISS (yet another...)

Postby afernan » Sat Nov 08, 2014 11:04 am

I want to introduce this small refference quad that flies incredible well. It's easy to build (in a few hours) and cheap. It´s the best way form newbies to get into AQ world.

You can buy all from Flyduino/Viacopter, and can be used with AQ board V6 or M4. This is using standard V6 board and using KISS. This is what I used:

Warthox Frame set 20cm (http://flyduino.net/Quadrocopter-Frame-Set-20cm-arm)
KISS 18A
AQ boards V6
DIMU V1.1
Motors Flyduino X2208 (http://flyduino.net/Multikopter-Brushle ... icopter_17)
Propellers HQ 9x4.5 (http://flyduino.net/HQProp-9x45-Carbon- ... -2CW-2-CCW)
Mass= 550gr
Flight time 15min with 2200 3S

(Set of params ready to share)
Hope you like.
Attachments
QUAD REFFERENCE 400 KISS.jpg
afernan
 
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Re: Refference QUAD 400 KISS (yet another...)

Postby HeliHenkie » Wed Nov 19, 2014 9:39 am

Hi Angel,

This is an inspiring clean and lightweight build.
I've the following questions about it:

  • Do you use Quatos to control your quadcopter or do you use the conventional PID's?
  • Your quadcopter is relatively lightweight in relation to the amount of thrust the motor/prop combo delivers. Based on those numbers it appears very overpowered. In the past I've read about problems with the AQ board and overpowered machines. Did you encounter any problem or did you have to change the standard PID values?
  • You mention using the KISS speedcontrollers. What's throttle/PWM range did you use to calibrate the ESC's?

Best regards,

Jan Willem
The Netherlands
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Re: Refference QUAD 400 KISS (yet another...)

Postby afernan » Wed Nov 19, 2014 12:24 pm

@Jan:
- I use PID because it works great with KISS esc´s . Quatos it´s still possible but you need to do some calibrations and tunning to get pwm vs thrust curve. I tryied that with good results but need more tunning work. The PID system works perfect, although miss the "adaptativeness" of QUATOS.
- Ratio weight/power of this quad is simple perfect (IMHO). It´s a copy of Warthox setup used for acro and general use (I use also for acro with Nanowii controller). Highly recomended and cheap.
- The KISS (Keep It Super Simple) don´t need any calibration. Just put the params on AQ board, perform Acc and Mag calibration (1 min total) and get a perfect flight.

I can ensure you that yhis is the simplest and cheap way to get into AQ world, but not only that because it flies really well so it´s a good test machine for new code changes.

Angel
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Re: Refference QUAD 400 KISS (yet another...)

Postby aBUGSworstnightmare » Wed Nov 19, 2014 4:50 pm

Hi Angel,
Would love Top der this flying with M4. Why not upload the settings so others save the efford of tuning the PIDs?

Joerg
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Re: Refference QUAD 400 KISS (yet another...)

Postby afernan » Wed Nov 19, 2014 8:49 pm

Sure. Find those parameters attached. Please note that I´m using board 6.0

By the way, params are very close the same to those of my bigger quad also with KISS but with MN3110 motors and 1.5 Kg. See this post: viewtopic.php?f=25&t=3762
Attachments
Q450 r429 KISS WRLV1.zip
(2.37 KiB) Downloaded 411 times
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Re: Refference QUAD 400 KISS (yet another...)

Postby HeliHenkie » Sat Nov 22, 2014 11:15 am

Hi Angel,

Could you post a flight log of this machine?
Preferably of a flight where you used pos/alt hold.
I'd like to see how much vibration get through to the AQ board in manual mode and other flight modes.

Best regards,

Jan Willem
The Netherlands
HeliHenkie
 
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Re: Refference QUAD 400 KISS (yet another...)

Postby afernan » Sat Nov 22, 2014 11:22 am

@Jan:

OK, I´ll do. At this very moment I haven´t any but I´ll do next flight.

Abgel
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Re: Refference QUAD 400 KISS (yet another...)

Postby HeliHenkie » Thu Dec 25, 2014 9:22 pm

@Angel: Waiting for your response ;) . I'd still like to see a flight log of your 400 quad with KISS esc to compare to my data.
Hope you manage to put in a flight and post the data.

Best regards,

Jan Willem
The Netherlands

afernan wrote:@Jan:

OK, I´ll do. At this very moment I haven´t any but I´ll do next flight.

Abgel
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Re: Refference QUAD 400 KISS (yet another...)

Postby afernan » Sat Dec 27, 2014 6:19 pm

Hi Jan:

attached is a log of PH, acc X,Y,Z

full log in here:
https://drive.google.com/file/d/0B5OSVb ... sp=sharing

best
Attachments
1.JPG
afernan
 
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Re: Refference QUAD 400 KISS (yet another...)

Postby HeliHenkie » Sat Dec 27, 2014 7:48 pm

@Angel: Thanks for the log file. I compared it with a log file of a flight in very a windy situation (around 7-8 m/s = Beaufort scale 4-5). I'm still amazed how stable this small quadcopter flies and holds altitude and position in strong wind. Sometimes it appears to perform better with wind than in windstill weather.

My acc xyz values are a little bit higher than yours, but thats to be expected for a windy situation. I had my questions about the peak values outside the 1 m/s2 bandwidth on the z-axis, but now I see you have that too.
Overall I'm very happy with the performance. There's still a small problem that needs to be addressed. Sometimes my quadcopter drops or rises about a meter (a real jump, fast movement). This happens mostly when I start flying within a minute after connecting the battery. I think this behaviour is related to the relatively high values for GPS hAcc and vAcc. After a couple of minutes they drop below 1 m and the behaviour is gone.

Best regards,

Jan Willem
The Netherlands
HeliHenkie
 
Posts: 93
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