|Subject:||Re: [Paparazzi-devel] 4-Dimensional Trajectories (4DT)|
|Date:||Sun, 21 Oct 2012 07:50:12 -0300|
I do not think that the calculation of an ETA in flight will be enough for NASA.
I expect rules similar to the following:
- Before flight you file a flight plan including 4D waypoints
(position, altitude and time). This calculation must include the
- In flight the autopilot must control position, altitude and speed to
hit the filed 4D waypoints.
- Perhaps in flight you are allowed to request a change of the filed
flight plan, e.g. if a delay in departure has occured or wind is
completely different than expected. I am sure Air Traffic Control will
allow only a few changes and only for good reasons.
Therefore Paparazzi should accept 4D waypoints (position, altitude and
time) and the flight control should be enhanced to hit the time. Has
anybody done that in Paparazzi?
2012/10/21 Steffen Spies <address@hidden>:
> I think it means, that the flightplan has position and the time. Like "be at home at 6pm" while the plane always tells if it will be in time or not.
> Am 21.10.2012 um 11:21 schrieb Chris Gough <address@hidden>:
>> I noticed that too, and don't really understand what it means. Is does it mean the telemetry messages that say "I am here now, and expect to be at that place in two minutes"?
>> Chris Gough
>> On 21/10/2012, at 6:43 PM, Reto Büttner <address@hidden> wrote:
>>> Hi guys
>>> The newest UAS competition of NASA requests 4-Dimensional Trajectories (4DT):
>>> "The Level 1 Competition (L1C) would focus on a competitors ability to
>>> fly 4-Dimensional Trajectories (4DT) to provide a reasonable
>>> expectation that they will be where they are supposed to be, when they
>>> are scheduled to be there."
>>> See: https://www.fbo.gov/?s=opportunity&mode=form&id=426438809b8348c157fa5b7120c18a45&tab=core&_cview=1
>>> Has anyone in Paparazzi realized 4-Dimensional Trajectories, in other
>>> words has included the time dimension in flight control?
>>> Paparazzi-devel mailing list
>> Paparazzi-devel mailing list
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