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Unable to get the MX motor tuns exactly as specified

Bioloid robot kit from Korean company Robotis; CM5 controller block, AX12 servos..
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Unable to get the MX motor tuns exactly as specified

Post by petercohen » Tue Feb 19, 2013 3:27 am

Post by petercohen
Tue Feb 19, 2013 3:27 am

Hello, I was testing the MX motor. My program read the rotational angles from a file, turned the motor and saved the actual rotational angles to another file. The input file contained: 90 0 -90 0 90 0 [degrees]. I got an output file with values: 86.856 2.024 -83.6 -4.136 82.984 1.672 in the first test. In the second test, I got: 84.392 3.256 -83.424 -1.936 83.336 3.08

Is this due to accuracy of the encoder? Is it possible to make the motor turns at exactly the same angle as specified? What can I do to improve the situation?
Hello, I was testing the MX motor. My program read the rotational angles from a file, turned the motor and saved the actual rotational angles to another file. The input file contained: 90 0 -90 0 90 0 [degrees]. I got an output file with values: 86.856 2.024 -83.6 -4.136 82.984 1.672 in the first test. In the second test, I got: 84.392 3.256 -83.424 -1.936 83.336 3.08

Is this due to accuracy of the encoder? Is it possible to make the motor turns at exactly the same angle as specified? What can I do to improve the situation?
petercohen
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