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Re: [Paparazzi-devel] Selection of Autopilot


From: Roman Krashanitsa
Subject: Re: [Paparazzi-devel] Selection of Autopilot
Date: Mon, 30 Aug 2010 11:33:34 -0700

Henry, Eric,
 
As far as I know, some of paparazzi users have successfully used MTi-G. In my personal experience, while working for the Univ. of Arizona I tried connecting MTi-G to paparazzi using serial port and had no problem talking to it. We did not fly with MTi mostly because all our models are low weight and small-size (<30cm in diameter).
 
Henry, it is hard to talk about "support" as in retail stores or industry, but you have all information support and mental support in the open source community. I would refer to this as "common experience" as members of the community did this or that and had this amount of success. But you have access to all contacts and all written documentation.
 
On to the point:
 
1. Auto take-off and landing. I think take-off can be done. Not sure about landing
2. Collision prevention. This is very implementation-specific. I don't think this is in the main trunk.
3. Communication with the ground station. Very well tested feature and also widely used. Also, two-way communication - you can send data to your vehicle.
4. Every bit of existing source code is provided, also you can contribute your code to the project if you wish.
 
 
Best Regards,
Roman Krashanitsa

2010/8/30 Eric Parsonage <address@hidden>
Hi Henry,

On 30/08/2010, at 5:06 PM, henry gan wrote:

> Dear Paparazzi team,
>
> I am new on Quadrotor project. Looking for a Paparazzi autopilot that are compability with Xsens MTi-G (IMU). Hope you all can guide me in the selection of autopilot hardware.

Paparazzi doesn't support the Xsens MTi-G (IMU) but does support lower cost alternatives including open source ones. This allows more flexibility as the AHRS code that is part of Paparazzi is open source like the rest of Paparazzi, so if you feel the urge you can modify it.

>
> I have several concerns on the paparazzi autopilot.
> Example: The autopilot system able to allow the quadrotor autonomous takeoff and land?

There is a video of an autonomous landing with a Paparazzi http://www.youtube.com/watch?v=LCcMFRcGubs

> Able to communicate to other quadrotors to prevent collision?

This has previously been done in the fixed wing version of the Paparazzi autopilot but not  in the rotorcraft version. You would need to implement this if you require it, but there is the fixed wing version to use as a base.

> Able to communicate with the ground station without modification of source code?
Definitely yes. You can even extend the protocol very easily which gives unlimited possibilities for your application.

> Will the source code for basic flying be provided?
Yes as long as you use a supported imu flight is no problem.

>
> Sincerely
> Henry
>
>
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> Paparazzi-devel mailing list
> address@hidden
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