"The work I reported on last year isn't compatible with the new APM modules as it doesn't support MAVLink v1.0. However I am in the process of putting together a completely new system (with increased functionality) for the new autopilots.
It is not…"
"Hi Kamil,
I use MATLAB to create an individual plot for each frame then use Adobe Premier to make them in to a video and overlay them on the footage. I can dig out the MATLAB code for you if you like.
Cheers,
Owen"
"Here's a picture of our DC-DC converters mounted inline on a cable. Not the prettiest of solutions, but works perfectly for voltages up to 36V without generating any heat"
"Yea it is as simple as you said. The very last section of the datasheet has a diagram showing the pins. The middle pin (2) is a common ground, pin 1 (the one with the dot above it) is the input voltage (5-36V) and pin 3 is the regulated output…"
"I have used these switching dc-dc converters for numerous projects. They are a little more expensive than linear regulators (like the ones in your post), but they take a very wide input voltage range (5-36V) and have a high current capacity (~1A)…"
"Hi Ken,
Have you set the maximum throttle setting for the autopilot to 100%? I think this defaults to 75% so if you switch on any of the augmented modes (i.e. anything but manual) you will not have full throttle authority, so full throttle will only…"
"A separate battery would be ideal and I've always run one on my personal kit. However space/weight are at a premium on ArduWot as we've got other things on board besides APM (more details coming soon!). Plus batteries are like gold dust in our lab…"
2011 didn't end too well for the ArduWot, incorrectly fitted undercarriage made for instant nose over on throttle up which broke the prop and fried the ESC. A new ESC arrived Monday which was quickly fitted only to reveal it to be useless at…
"Hi Leonardo, unfortunately I do not currently have X-Plane 10 to test on. I am hoping to get a copy in the next few weeks so should be able to iron out any bugs then!
When you say the plane crashed, does X-Plane keep running? (i.e. you can disable…"
After our flight testing was halted by a blown ESC I decided to start work on Software/Hardware in Loop (SIL/HIL) testing. As I pointed out in previous posts we plan to use APM to control multiple autonomous vehicles, all cooperating to various…
"For anyone following this post, I've finally got round to putting our initial code online. So far its just stuffed into a couple of zip files but I'll move to git when we get some proper testing done!
The current code is barely tested so I can't…"
"The weather has improved but unfortunately late last week we fried the ESC in Arduwot (nosed over on takeoff due to poorly fitted wheels!), so we've still not done any testing.
Hopefully we'll get a replacement this week before everyone closes down…"
"@Fabien. Our testing to date has been hampered by poor weather and poor Zigbee antennae so I can't comment too much on the delay. By utilising the inner loop (attitude hold) on the APM we are hoping that our system is pretty insensitive to delay.…"
"Today I set about implementing the SET_ROLL_PITCH_YAW_THRUST message in APM which was really quite simple. This implementation is far better than what I document above as it turns the "Auto" mode (or any other custom mode should you desire) into a…"
Today we finally got bored of waiting for the windy weather to subside so we took ArduWot out anyway. In the couple of weeks since our last flight we've written an interface between APM and MATLAB/Simulink utilising the MAVLink protocol. For anyone…