How Do I Calculate Motor Specs for an Inverted Pendulum Project?

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SUMMARY

The discussion centers on calculating motor specifications for an inverted pendulum project, particularly focusing on the requirements for torque and RPM. The user aims to implement a PID controller using operational amplifiers, diverging from the Microchip application note. Key considerations include the need for a motor that can accelerate as quickly as the pendulum falls, with an emphasis on understanding the relationship between torque and acceleration. The user seeks formulas to aid in calculations for their diploma project.

PREREQUISITES
  • Understanding of PID controller design
  • Knowledge of operational amplifiers
  • Familiarity with motor specifications (torque and RPM)
  • Basic physics concepts, particularly Newton's laws of motion
NEXT STEPS
  • Research motor torque calculations for dynamic systems
  • Learn about PID controller tuning techniques
  • Explore operational amplifier configurations for control systems
  • Study the dynamics of inverted pendulum systems
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Electronics and telecommunications students, hobbyists building control systems, and engineers interested in robotics and dynamic stabilization projects.

Ele38
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Hi to everyone.
This is my second dissussion in the forum (it does not exist a presentation section, right? ), and I need your help for my Diploma project.
Since I am studying Electronics&Telecommunications, my idea about that project is to build an inverted pendulum and tomake a PID controller able to stabylize the pendulum.
The base of the project is a Microchip's AN, here's the link http://ww1.microchip.com/downloads/en/AppNotes/00964A.pdf
Unlike Microchip engineers, I want to make a PID controller with operational amplifier, I think that is a better project fo my senior year.
Here is my problem.
Reading the AN, there is written that we need a motor which must be able, at least, to accelerate as fast as the pendulum can fall.
I have no idea about how to calculate the motor's specs (torque, rpm, ... ) I have a 120 rpm motor, but I do no think that will be ok for the project.
Does someone can help me? I would need formulas, since I have mathematics at the oral test for the diploma, it could be good to have something to discuss (even if there is a lot of mathematics in the PID :D )
Thank you very much ;)
 
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I thought about something today.
What is really important to me? Torque or rpm? I think torque, since is in N*m I can calculate the Force that the motor applies to the cart and using the formula F=m*a I am able to calculate the acceleration of the cart.
Am I mad or it can work?
 

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