kostalexis
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Sergio Biagioni commented on kostalexis's blog post Interfacing MATLAB and Arduino
"Update for Future Viewers of this thread: The current release of Simulink has the Arduino Support Package built into it which means you don't need to grab the files from the File Exchange for basic functionality. All you need to do is MATLAB…"
Apr 9
kostalexis commented on William Premerlani's blog post Measuring Tilt Dynamics of Multicopters
"Hi William and hi all, I think you can get even more accurate results using a similar strategy but working in the Frequency Domain. Here is what you can do (without so much effort): 1. Conduct experiments where you give inputs that correspond to a…"
Mar 5, 2012
kostalexis replied to D . S's discussion Novel Approach To Vertical Flight
"http://www.youtube.com/watch?v=hK47qSTLI70   An almost identical approach. "
Aug 14, 2011
kostalexis commented on James Goppert's blog post Quadrotor Digital PID Control System and Dynamics Modelling
"@ Hyon_Lim I have experimentally implemented MPC in Quadrotors. You are right about the computational complexity but this is something that can be accomplished using model embedded CPUs.    @ James Goppert I'll send you some articles…"
Mar 19, 2011
kostalexis commented on James Goppert's blog post Quadrotor Digital PID Control System and Dynamics Modelling
"Well you could optimally select the different linearization points and guarantee smooth transition through Linear Matrix Inequality optimization. I have worked on something similar using Model Predictive Control on Quadrotors. I will check your code…"
Mar 18, 2011
kostalexis commented on James Goppert's blog post Quadrotor Digital PID Control System and Dynamics Modelling
"LQG is a linear controller and assumes that all states can be estimated through a LINEAR observer. On the contrary all quadrotors (and MAVs genearally) use Nonlinear Kalman Filters (mainly EKF). So do you think that designing - experimentally…"
Mar 17, 2011
kostalexis commented on Papachristos Chr's blog post Cmon Guys, it's like no one has seen this yet??? It's time to KINECT!
"Wow this is amazing! It gives the opportunity of cheap and off - the - shelf indoor navigation, surveillance and mapping! Great work!"
Nov 11, 2010
kostalexis commented on kostalexis's blog post Wireless sensor network control Drones?
"So we can conclude that there is a meaning on this approach. Let's go a step ahead. What type of MAV do you think is the most appropriate? What type of rotorcraft? With what sensors and based on what MCU?"
May 11, 2010

Kostalexis's Blog

Wireless sensor network control Drones?

Posted on May 11, 2010 at 2:43am 7 Comments

Hello to community!



It is a great fact that UAVs tend to miniaturization. Despite the high technology advances on microprocessors and embedded systems it is clear that only simple control laws can be implemented into Miniature Autonomous Vehicles. Note that i am not talking for rf manned control but for fully autonomous solutions. So what about Wireless Sensor Network control for Drones? It is an idea implemented widely in ground robots. The main approach is to implement on-board only… Continue

New Advanced Servo Controller

Posted on April 12, 2010 at 6:30am 4 Comments

Hello to all community members.



I have just received to my e-mail this new and very improved servo controller:



You can find product details at: http://www.01mech.com/supermodified



I copy the following from the site: …

Continue

Interfacing MATLAB and Arduino

Posted on December 1, 2009 at 7:56am 9 Comments

Hi friends!



I have just found and tested a Blockset that interfaces MATLAB/SIMULINK and Arduino. You may find this at:



http://www.mathworks.com/matlabcentral/fileexchange/24675-arduino-target



I highly suggest this program since it offers rapid prototyping capabilities to the famous and cheap arduino. The guys have build a block that interfaces with the Real Time Workshop of… Continue

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