Motor Stopping - Find Reason & Fix

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Discussion Overview

The discussion revolves around a motor connected to a microcontroller (MCU) via an H-bridge that stops rotating after a few minutes of operation. Participants explore potential reasons for the motor's failure to operate continuously and seek to identify solutions.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant suggests that the motor simply does not work.
  • Several participants inquire about the reasons that could be causing the motor to stop, emphasizing the need for more information about the setup.
  • Another participant raises the possibility of the motor overheating as a potential issue.
  • Concerns are expressed about the lack of details provided by the original poster, which limits the ability to diagnose the problem.
  • A suggestion is made to use separate batteries for the MCU and the motor, along with opto-couplers to isolate the MCU's outputs from the motor circuit.
  • Participants request the sharing of schematic diagrams and software to better understand the H-bridge switching mechanism.
  • One participant humorously remarks that the thread seems to be for clairvoyants, implying frustration over the lack of information shared.

Areas of Agreement / Disagreement

Participants generally agree that more information is needed to diagnose the issue effectively. However, there are differing opinions on the potential causes and solutions, and the discussion remains unresolved.

Contextual Notes

Participants express uncertainty about the specific conditions under which the motor stops, including the need for details on the circuit design and software implementation. There are also assumptions regarding the motor's operational conditions that have not been clarified.

Who May Find This Useful

This discussion may be of interest to individuals working with motor control systems, particularly those involving microcontrollers and H-bridge circuits, as well as those troubleshooting similar issues in robotics.

amaresh92
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hi,
i have a motor conected to mcu via h bridge but it stops rotating after few minutes.may i know the reason for this.
thanks
 
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It's because it doesn't work.
 
What are all the reasons you know of that are not causing it to stop?
 
skeptic2 said:
What are all the reasons you know of that are not causing it to stop?

i don't have any idea..
 
skeptic2 said:
What are all the reasons you know of that are not causing it to stop?

Example: Is the motor heating up?
 
We have absolutely zero knowledge of what you are doing other from what you tell us. You have told us nothing that would enable us to help you.
 
Integral said:
We have absolutely zero knowledge of what you are doing other from what you tell us. You have told us nothing that would enable us to help you.

i tried to rotate the wheels of my robot but the problem is the MCU restarts again and again whenever connect motor and hbridge circuit and at last motor stop.may i know the reason for this?
thanks
 
Try using separate batteries for the MCU and the motor and also opto-couplers between the MCU's outputs and the motor.
 
share your schematic and software, maybe you are not switching the h-bridge correctly.
 
  • #10
hisham.i said:
share your schematic and software, maybe you are not switching the h-bridge correctly.
Excuse me, but this thread is reserved for clairvoyants and psychics. We don't need schematics or information about the problem.
 

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