Post subject: Re: Max wind a quadcopter can be flown in? Yes to shoot ride
Posted: Mon Feb 17, 2014 6:13 pm
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Joined: Thu Jun 05, 2008 1:52 am Posts: 1164 Location: Thailand
... I use the APM2.5 controller with full telemetry which gives plenty of functionality including altitude hold, position hold as well as fully autonomous control. I also use Fatshark FPV. I am currently working on a system that will allow me to fly the quad and have the camera automatically track a moving target (using a GPS transmitter on the target).....
Post subject: Re: Max wind a quadcopter can handle? Yes, to shoot riders!
Posted: Mon Feb 17, 2014 10:55 pm
Joined: Mon Jun 20, 2011 8:15 pm Posts: 31
Hi Alex, I have made some progress on this but unfortunately have not had as much time as I would have liked... I have a Ublox gps module with integrated antenna attached to an Arduino Nano and 433MHz transmitter along with a lipo battery. The whole setup is approximately half the size of a cigarette packet. It should have a range of at least 1km. I can successfully read GPS location and transmit to the arducopter controller however I am having problems with the Mavlink protocol that arducopter uses. In addition I am still coming up to speed with the Arducopter code. There are a number of people working on similar projects and there is a bit of video around from prototypes if you look. Most of them are working on 'Follow Me' functionality where the copter will automatically follow at a fixed distance and orient the camera at the target. For my purposes I am just happy to have the camera always point at the target and to leave the flying to me. I have a video link from my quad but the camera is gimbal mounted and this makes it very tricky to fly. I typically just park the copter in 'loiter' mode and then use the goggles to work the camera from there. I can manoeuvre the copter in this mode but it is hard to get the nice fluid movement I would otherwise get if I wasn't using the goggles to frame the shot... I am also looking at getting a second RC transmitter to slave off the primary controller so that the goggles could be worn by a second operator that has control of the quad yaw axis and camera pitch. This would allow me to fly with normal line line of sight and for the camera operator to do as they please. Arducopter already has a 'Super Simple' mode where the on board controller translates the pilot input so that it can be independent of the copters orientation. In this mode pitching forward always sends the copter away from the pilot regardless of which way it is facing, and likewise with the roll axis. This means that it is not necessary for the camera mount to have an independent yaw axis. There are still plenty of times when there is only one man for the job so I am still planning on working on this project...
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