"yes, it will work"
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Flávio Henrique P. de Oliveira commented on Mark Arnott's blog post UAV School Project"Sebastian Gralla, how can I make a Turnigy Plush work faster than 50Hz?
Can I change the PWM period lower than 20ms and it will works?"
Flávio Henrique P. de Oliveira commented on Mark Arnott's blog post UAV School Project"I'm having the same problem... it won't change much to use a faster loop if my ESC works on 50Hz...
For altitude, I would use only sonar for lower altitude and for higher altitude pressure + accel integration.
You can use a lowpass filter…"
Sebastian Gralla commented on Mark Arnott's blog post UAV School Project"Servos work up to 50Hz, that's correct. ESCs can work much faster, most are capable of about 1kHz, turnigy's can do faster (I heard of 4.7kHz).
control loop for altitude can run slower (about 10Hz is enough), if you have all those…"
Mark Arnott commented on Mark Arnott's blog post UAV School Project"I have a few Q's regarding using a faster loop rate. Don't the servos and ESC PWM only run at speeds from 20-50 Hz? If that is the case I wouldn't really be controlling the craft faster, just doing more…"
Sebastian Gralla commented on Mark Arnott's blog post UAV School Project"50Hz is too slow for a stable multirotor
you have enough cpu power, go for 500Hz"
Mark Arnott commented on Mark Arnott's blog post UAV School Project"I've written my own flight 3d simulator from first principles in C# that works quite will and have mainly used that to built up my initial algorithms. I then do some tuning with the craft tethered. As you can see, I need to…"
Flávio Henrique P. de Oliveira commented on Mark Arnott's blog post UAV School Project"Great! What kind of ESC are you using?"
Fabien Bruning commented on Mark Arnott's blog post UAV School Project"Are you using Simulink for your control design, or writing C code by hand? I was wondering if you know the kind of overhead you get in that case, e.g. what's your CPU usage so to speak."
Sebastian Gralla commented on Mark Arnott's blog post UAV School Project"maybe you should work on your attitude control algorythm first before you go for altitude hold
it's very unstable
how fast is you control loop?
check out some videos of arducopter, it has only one 16Mhz cpu for flight AND navigation"
Jack Crossfire commented on Mark Arnott's blog post UAV School Project"You're right. A "floating" camera mount would have been easier, but it's a degree."
Mark Arnott posted a blog postUAV School Project
Here is a quick vid of my final project I'm building in electrical engineering. It's a tricopter UAV with thrust vectoring. As of now I have implemented roll, pitch stabilization, yaw and height are controlled by the aircraft. I just control the x and y movement.All the control algorithms use fuzzy logic. Why? To be different... and to overcome a lot of the limitations associated with PID's and nonlinear processes.The craft has 3 motors, and 5 servos. The front two motors can pitch forward and…See More
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- About Me:
- 4th year Electrical Engineering student
- Tell us a bit about your UAV interest
- Build/building a tricopter for my final project.
- Hometown:
- Vancouver Island
Mark Arnott's Blog
UAV School Project
Posted on May 13, 2011 at 8:30pm 11 Comments 4 Likes
Here is a quick vid of my final project I'm building in electrical engineering. It's a tricopter UAV with thrust vectoring. As of now I have implemented roll, pitch stabilization, yaw and height are controlled by the aircraft. I just control the x and y movement.
All the control algorithms use fuzzy logic. Why? To be different... and to overcome…
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