"Chris,
I may be misunderstanding but are you saying that if you have the HIL coded loaded but then try to fly it in real life it doesn't work? That's to be expected because the HIL…"
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Chris Pitts
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Chris Pitts's Discussions
PandaBoard
Started this discussion. Last reply by tenrual Feb 7. 1 Reply 0 Likes
Greetings! Allow me to introduce myself. I'm Chris. I'm an electrical engineering student at the University of Texas at San Antonio, focussing in embedded controls. I'm currently the chairman of our…Continue
ground contact sensors for ground stability feedback
Started this discussion. Last reply by Allen Babb Sep 26, 2011. 3 Replies 0 Likes
I've been thinking... I've noticed that ground interaction has been known to be troublesome automated takeoffs and landings. My IEEE student chapter robotics team has been playing with pressure…Continue
The competition:
Started this discussion. Last reply by Anis Nielsen Sep 21, 2011. 1 Reply 0 Likes
http://www.procerusuav.com/productPricing.php lawlz.Continue
HIL for traditional helis - I'd like to help if I can.
Started this discussion. Last reply by Chris Pitts Sep 22, 2011. 14 Replies 0 Likes
I'd like to see if I can help to get traditional heli simulation working. If I may impose, I'd like to get some general feedback from the community so that I can best direct my energy towards a…Continue
Tags: simulation, traditional, heli, Hardware-in-the-loop, HIL
Chris Pitts's Page
Latest Activity
DeveloperRandy replied to Chris Pitts's discussion Hardware-in-the-loop for traditional helicopter drones in the group ArduCopter (traditional heli) user group
Chris Pitts replied to Chris Pitts's discussion Hardware-in-the-loop for traditional helicopter drones in the group ArduCopter (traditional heli) user group"Hey guys! Here's an update!
The simulator works great, but there's a little problem taking it out of HiL mode. When I set the code up to run the APM2 hardware, and turn off HIL, it doesn't look like the accelerometer data…"
Wesley Chuen replied to Chris Pitts's discussion Trex 450 Pro v2 Flybarless - need PID values! in the group ArduCopter (traditional heli) user group"Hi Chris,
I have the T-Rex 450 Pro V2 as well. How is your progress on it?
"
Chris Pitts replied to Chris Pitts's discussion Trex 450 Pro v2 Flybarless - need PID values! in the group ArduCopter (traditional heli) user group"I'm also using the built-in gyro. If you could, please confirm those values, and I'll try them once I get the heli back up and flying.
Initially, I used the values that flashed to it from the mission planner at the time, and the…"
DeveloperR_Lefebvre replied to Chris Pitts's discussion Trex 450 Pro v2 Flybarless - need PID values! in the group ArduCopter (traditional heli) user group
"Yeah, external gyro or not?
I'm using the built-in gyro, Yaw Rate P is 0.350, I is 0.015, D is 0.03 IIRC. Yaw Stab P is I think 2-3 (this is less critical), and I is zero."
DeveloperRandy replied to Chris Pitts's discussion Trex 450 Pro v2 Flybarless - need PID values! in the group ArduCopter (traditional heli) user group
"The stock PIDs should work ok. Are you using an external gyro? If yes, you should be sure to click the external gyro check box in MissionPlanner's set-up screen, on the Heli tab.
You might need to raise the Stabilize Yaw…"
Chris Pitts added a discussion to the group ArduCopter (traditional heli) user group
Trex 450 Pro v2 Flybarless - need PID values!
Hey guys, I've got my T-Rex 450 all set up. I loaded the stock software with the stock PID values. It held stable fairly well, but I got no rudder when I moved the stick. Then, I changed the P values for rate and stabilize on the rudder. I got a movement, but not much, and I got more unwanted movement (oscillations) than desired movement. That flight ended with a $100 tree landing. So does anyone have a good, solid set of PID values for stabilize mode on their TRex 450? I get the distinct…See More
Chris Pitts replied to derfuchss's discussion laggy steering response with APM 2560"Same Problem on my new APM 2.0. acro and stabilize.
The feedback from the gyros seems to be super nice and responsive, but control inputs only seem to get updated at about 4Hz. Is this normal?"
Chris Pitts replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Next noob question regarding the camera. I've seen the 3DR pitch/roll gimble, but I was wondering if there's a good setup out there that will let me swing the camera around and use the camera to track ground coordinates all Predator style.…"
Chris Pitts replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")" I figured it would be iffy mounted underneath because it was so close, but I thought the radio tray might be far enough. Do you know if anyone has had problems with it mounted on the tray?
If not, then then the same question applies for the…"
Chris Pitts replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Why do you prefer mounting underneath? I've read some of the older conversations on the topic, and things to consider, and I gave it some thought.
There were a couple of reasons I decided on using the radio tray. If I'm not understanding…"
Chris Pitts replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Is your APM mounted under the body or on the radio tray? If it's under the body, conventional wisdom says the motor will bother the megnetometer. The reason I'm mounting my APM 2.0 on the radio tray is because I thought that it would be…"
DeveloperRandy replied to Chris Pitts's discussion TREX 450 pro with flybarless 3GX Module in the group ArduCopter (traditional heli) user group
"I think Ravi got his problem sorted eventually. I believe he was looking at the output on the AP Mission Planner's status screen and seeing no pwm output for the servos. In fact, the issue is just that we're not sending that…"
Chris Pitts replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Noob question time: Does the forum have an option to search a single thread? I'd like to search this thread to see if my quuestion has already been answered, but 117 pages is too much for me. My eyes glazed over at about page 25.
If…"
Chris Pitts replied to Chris Pitts's discussion TREX 450 pro with flybarless 3GX Module in the group ArduCopter (traditional heli) user group"If it's faulting after you hook it up to the ESC, it might be that the ESC isn't putting out 5V. The APM is really picky about voltages, and the stock ESC that came with my T-Rex 450 Pro V2 is a 6V output, which won't…"
Ravi replied to Chris Pitts's discussion TREX 450 pro with flybarless 3GX Module in the group ArduCopter (traditional heli) user group"Hi malcom, i had been following your forum for sometime. i got my purple APM2. i loaded the heli code using Mission Planner. everythings seems to be OK. i have configured it and installed it on Trex450. the setup graphs respond to the radio sticks.…"
Profile Information
- About Me:
- I'm a controls engineering student at the University of Texas at San Antonio.
- Tell us a bit about your UAV interest
- I'm developing a fuzzy logic controller for a traditional heli. Arducopter is looking particularly appealing because it solves most of the problems of systems integration up front. I'm looking to contribute to the code by adding a fuzzy feedback controller as a substitute for PID, and I hope to contribute where I can in getting HIL simulation working for traditional helis.
- Hometown:
- San Antonio, TX
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Season Two of the Trust Time Trial (T3) Contest has now begun. The third round was a reliablilty/aerial photography round for both planes and copters, which is now closed. Stay tuned for the next round, beginning soon.A list of all T3 contests is here.
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