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41
Software / Re: Multi agent system
« Last post by mklrobo on June 29, 2021, 11:57:07 AM »
 8) excelsior!!   8)

   hello!
   
    I looked over your link info - and THAT is some mighty complicated stuff that will consume some time to digest. The nervous system algorithms you are assimilating will need some practical, easier to absorb material.

    To break down that math, and apply it in a nice, friendly platform, may I suggest using Wolfram's mathematica - which has the greatest, largest algorithm library in the world, and a friendly platform to use them on.

     you can adapt the algorithms you have in your link to work in mathematica, and Voila! ROBOT has nerves!!

      ;D  good luck!!   ;D
42
Misc / Re: Beginner self-balancing-robot struggling with build...
« Last post by mklrobo on June 25, 2021, 09:11:43 AM »
 :) Hello!

  your robot is impressive, no doubt. In sofas troubleshooting, sensor connection is paramount; if connections are "noisy" (that is to say, not that secure or corroded) it may cause false triggering in the logic, that you may not see. These intermittent can give signals to the CPU that reacts before you can react to it. In that case, you may have to design your own basic diagnostic subprogram, to ferret out that problem. If you make a diagnostic signal logger, it will record signals that your CPU "saw" but you did not. That will solve that problem.
     On your breadboard, components MUST stay stable, or intermittent operation will occur. since your breadboard is vertical, it may intercept problems if not flat.
     If the PID is suspect, that would be a math problem, which is specific to the algorithm that you are using, and out of my purview.
     I would suggest, buying a good robotic python book that has the same type of project that you are building. They will have the code, motors, and other mechanical components will will help you in the same direction, and will serve as a model to find the issue with your current project.   8)  GOOD LUCK!   8)
43
Mechanics and Construction / Re: New robotic toy coming out!
« Last post by mklrobo on June 25, 2021, 07:55:32 AM »
 8) EXCELSIOR!   8)

  For those of you who are "afraid" of the code and robotics, and may need good supplemental books to read,
and downloadable books, I will include the names of them in my plans. I am trying to
make the project building enjoyable as possible, with a simple "shake and bake" assembly procedure.

     3 hours to complete the robot sounds lengthy, but if you have ever played with a raspberry pi,
interfacing components to the real world consumes time, as well as programming itself! before you
know it, you have spent 3 hours just enjoying yourself working on the raspberry pi!


     As for the code, I am listing REM statements in the code for you to use; whereas, you have access
to variables that lets you introduce more sensors into the program to enhance the your robot,
without rewriting the whole program. I will also list freeware that may help write the code for you, to provide a more enjoyable way to enhance your robot.

     Stay tuned true believers!!!   8)   8)
44
Mechanics and Construction / Re: New robotic toy coming out!
« Last post by mklrobo on June 25, 2021, 05:46:56 AM »
 :D have no fear, I am still here!!  :D

     I am completing the code, and the final assembly of the robot; debugging and
tweeking out any potential problems that I think may have. This is probably the most
time consuming part of invention, BUT, it sure is fun!!!  ;D
    I may go back and make some GUI interfaces, to help in the construction of the
robot; kind of like, a robot construction wizard AI!   ;D
    I am trying to make the construction of the robot so easy, that anyone with some robot
skills should be able to complete it in 3 hours, or an enjoyable weekend, - my goal, anyway.
   
Stay tuned, True Believers!!!!  EXCELSIOR!!!!   8)   8)
45
Mechanics and Construction / Re: New robotic toy coming out!
« Last post by mklrobo on June 21, 2021, 12:34:57 PM »
 8) Thank you, thank you!  8)

Once you have the plans, PLEASE feel FREE to hack the robot to your heart's desire!!!!  ;D
46
Misc / Beginner self-balancing-robot struggling with build...
« Last post by davek0974 on June 21, 2021, 06:15:50 AM »
Hi all,

I'm looking for help on a 1st build self balancing robot, something that seemed pretty easy but not. I'm retired so have plenty of time but no real robot skills, electrical & mechanical yes.

I have been trying to get it working for weeks now, I have a chassis with two Nema17 motors, 65mm wheels, it's 300mm high and the battery is at the top - a pretty standard style i think. I am using a Pi Pico as MCU with an MPU6050 IMU and two A4988 drives.

A friend on another group was building a game controller using the MPU6050 and has written a whole new driver for it that gives out filtered data - Kalman or Complimentary and it also does calibration etc. So i can get angle data OK I think.

I have tried my own codes and failed but also today tried another's code that was written specifically to show how easy it was - and it still failed for me.!

This tells me maybe the motors are no good or the MPU is a bad choice, he used a BNO055 IMU but these are currently expensive and/or hard to get.

The effect i get is that the bot will just jump about , even when static. Video - https://youtu.be/nNxNHaKN5w0

The code has a PID loop, makes little difference so far.

Is there maybe a recommended motor for these 'bots?

I am at a complete loss now as it seems nothing works, even code that is proven to work! It must be hardware???

Thanks for any help
47
Mechanics and Construction / Re: New robotic toy coming out!
« Last post by ToyhackRobotics on June 20, 2021, 06:02:10 PM »
Sounds great subbed!
48
Electronics / PLEASE HELP-Sabertooth 2x12 Powered ATUGV-SOLVED
« Last post by ToyhackRobotics on June 20, 2021, 05:58:34 PM »
Admin please delete thank you
49
Software / Re: Multi agent system
« Last post by mklrobo on June 18, 2021, 09:42:41 AM »
for a robotic simulation, I am working with Blender. Freeware, that seems intuitive.
50
Software / Re: Webbotlib Studio FBoot only works the first time!
« Last post by mklrobo on June 18, 2021, 09:41:50 AM »
I bought an Axon, and electronic interface to program it, but never could. I gave up and went to raspberry pi. I always liked the Axon, but never had any luck with programming it.
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