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About
About Me:
Control theorist
Please tell us a bit about your UAV interest
Want to build an AHRS/Rate Table/Quad rotor
Activity Feed
"Hi Jose
Our flight controller can do some pretty amazing things. We have various custom maneuvers built in, obstacle avoidance etc..
Would you like to integrate (our FC and speed controllers) with your craft ?"
Our flight controller can do some pretty amazing things. We have various custom maneuvers built in, obstacle avoidance etc..
Would you like to integrate (our FC and speed controllers) with your craft ?"
"Do you have the Aerodynamic coefficients for this airframe ?
What's the stall angle ?"
What's the stall angle ?"
HiI would like to have 2 counter rotating propellers on a single drive shaft. Similar to a Kamov but of course powered by much smaller (possibly bldc motors)Does anyone have ideas on the mechanical couplings between motor shaft and the propellers to…
"How do they avoid the obstacles? Do they keep recomputing trajectories as they fly?"
"Tommy, It's a great idea.Could you beam back both the video and telemetry using the 3g USB stick?"
"Has anyone tried to transfer a file using a direct modem to modem call? How low is the bandwidth? If the bandwidth is so low, i wonder how 3G video-calls take place."
"Hi Alan
If we just went by the difference in uplink and downlink frequency a 3G video call wouldn't be possible. Clearly the cell-phone tower does some stuff in between.(I guess compresses data and changes the frequency)"
If we just went by the difference in uplink and downlink frequency a 3G video call wouldn't be possible. Clearly the cell-phone tower does some stuff in between.(I guess compresses data and changes the frequency)"
"Let's assume the laptops were in 2 different cities. So you couldn't use a wireless lan/wifi.
A conventional modem would enable point to point data transfer. Can a 3G modem also do this. In which case you should be able to transfer a file from 1…"
A conventional modem would enable point to point data transfer. Can a 3G modem also do this. In which case you should be able to transfer a file from 1…"
"Suppose you have 2 usb 3G modems, connected to 2 laptops. Can you exchange files/video between the 2 laptops without involving the internet.
I know a 3G video call is possible between 2 phones, so i guess it should be possible to stream video from 1…"
I know a 3G video call is possible between 2 phones, so i guess it should be possible to stream video from 1…"
"How did you get to 10,000ft? What battery do you use?"
I have been trying to send and receive data using a 2G cell phone network. I wish to communicate the bare minimum needed for telemetry and send waypoints to the uav. I hope that when i graduate to 3G, i can use a 3G video call for sending video and…
"Hi Andreas
I can't seem to find the telemetry group. That's why i posted it under wireless communication."
I can't seem to find the telemetry group. That's why i posted it under wireless communication."
Hi everyoneI was wondering if it would be possible to replace the xbee with a drone-cell to send telemetry?Could it even replace the 2.4GHz radio?Obviously just texting messages is not a solution.If data is routed through the internet, it could lead…
"I found this article on how a laser doppler system could be used to determine everything we need.
If anyone knows more about laser velocimetry, please feel free to respond. Could we do this with a diode laser?pogosov.pdf"
If anyone knows more about laser velocimetry, please feel free to respond. Could we do this with a diode laser?pogosov.pdf"
HiI have been thinking of making these for a while and by reading the discussion forums there seem to be a couple of options outlined herehttp://diydrones.com/forum/topics/angle-of-attack-sensor?id=705844%3ATopic%3A78347&page=2There seem to be 4…
