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AutoQuad Forum • View topic - Vibration & throttle scale Problem

Vibration & throttle scale Problem

The last Bastion to fine tune your FC matching your airframe & setup

Vibration & throttle scale Problem

Postby monkey1 » Tue Jan 07, 2014 3:16 am

My Quad330 still reducing the vibration, now is around 1. I have attached 1 min flight Log and pictures, please advise what can i improve? or the vibration level is acceptable?
Attachments
IMU_rate.jpg
imu_acc.jpg
DSC01864.jpg
DSC01864.jpg (179.73 KiB) Viewed 8178 times
DSC01871.jpg
DSC01871.jpg (181.16 KiB) Viewed 8178 times
DSC01877.jpg
DSC01877.jpg (193.03 KiB) Viewed 8178 times
DSC01872.jpg
DSC01872.jpg (187.04 KiB) Viewed 8178 times
051-AQL.LOG
(4.47 MiB) Downloaded 592 times
Last edited by monkey1 on Wed Jan 08, 2014 2:57 am, edited 1 time in total.
monkey1
 
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Re: Vibration Problem

Postby monkey1 » Wed Jan 08, 2014 2:52 am

At the moment, I have solved the vibration problem thru adjust the PID, no more shaking. But have a problem of suddenly up and drop problem.

I am using default throttle scale factor 0.7, I got around 1400 throttle values!. What correct throttle scale value should i use? My throttle stick now is around 40% for throttle hold.
Attachments
thro_factor.jpg
monkey1
 
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Re: Vibration & throttle scale Problem

Postby chschmid » Wed Jan 08, 2014 7:24 am

According to your log, you hover with a throttle of ca 360. Try a Trottle scale factor 0f 0.36. With that value, your craft should hover at midstick and an Output of 700.

Have a look here.

Your machine has a lot of overpower.

Cheers
Christof
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Re: Vibration & throttle scale Problem

Postby teramax » Wed Jan 08, 2014 8:14 am

on Picture DSC01871.jpg i can see a RECOM thats not glued to the board, they can vibrate in flight like hell and disturb your Gyros funtion.
Also you must hardmount the board to the frame, on dampers it will never work.
somehow everything can fly
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Re: Vibration & throttle scale Problem

Postby chschmid » Wed Jan 08, 2014 9:57 am

chschmid
 
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Location: Herrliberg, Switzerland

Re: Vibration & throttle scale Problem

Postby monkey1 » Wed Jan 08, 2014 2:47 pm

I would try to hard mount on it, thanks for advice.
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Re: Vibration & throttle scale Problem

Postby farooq_niaz » Wed Jan 08, 2014 4:11 pm

What values you changed in PIDs to manage the vibrations.
can you share your new vibration log
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