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Re: [Paparazzi-devel] LISA_M FixedWing and PPM radio

From: Eduardo lavratti
Subject: Re: [Paparazzi-devel] LISA_M FixedWing and PPM radio
Date: Sun, 18 May 2014 17:14:37 -0300

Are you using PPM radio ?

The define USE_GYRO_PITCH_RATE, as the name say, use gyros for pid "D" part.

Date: Sun, 18 May 2014 15:54:08 +0300
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] LISA_M FixedWing and PPM radio

I use a lisa/m with my X8 and i haven't noticed anything like that but then again i use an external IMU
with Paparazzi 4.2 as i have't got time to update the software on that airplane.

On 05/18/2014 07:37 AM, Eduardo lavratti wrote:
anyone flying PLANE with lisa/m and using ppm radio

Today i start do tune my talon plane using lisa/m and cppm receiver. I am using frsky d4r-ii
I set the pitch_d parameter to have some damping in pitch axis.

In MANUAL / AUTO2 the pitch_d work fine but when i change to AUTO1 the elevator servos start to flap like crazy.

If i remove the ppm signal the flapping stop and i can confirm that the pitch_d parameter also work in auto1.

When i connect the ppm signal the servos start to flapping again.

I not have any spectrum or sbus receiver to do other tests .

Anyone know this issue ?

i will verify if this problem occur in lpc boards (yapa) too

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