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calibration [2018/09/22 22:30]
73.128.99.196 created
calibration [2018/09/27 17:13]
73.128.99.196
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 1) Accelerometer bias. 1) Accelerometer bias.
  
-Typically tinypilot computers are shipped with the accelerometers already calibrated, but if using a new disk image, or for all other systems it is required. ​ If you have already calibrated the accelerometers,​ see [[upgrading]] before writing a new disk image to possibly avoid this step.  It does not hurt to perform this step at any time to recalibrate the accelerometer biases.+Typically tinypilot computers are shipped with the accelerometers already calibrated, but if using a new disk image, or for all other systems it is required. ​ If you have already calibrated the accelerometers,​ see [[upgrade software]] before writing a new disk image to possibly avoid this step.  It does not hurt to perform this step at any time to recalibrate the accelerometer biases.
  
 Most IMU require accelerometer bias calibration. ​ Without it, there will be significant pitch and roll errors. The mpu9250 and mpu9255 usually are factory calibrated meaning you could skip this step.   ​However,​ some of these do not have this calibration,​ these usually have an orange rather than yellow capacitor. ​ The IMU on the moitessier board should be ok.   In any case, it is recommended to calibrate the accelerometer bias, even if factory calibrated as it will improve the factory calibration slightly. Most IMU require accelerometer bias calibration. ​ Without it, there will be significant pitch and roll errors. The mpu9250 and mpu9255 usually are factory calibrated meaning you could skip this step.   ​However,​ some of these do not have this calibration,​ these usually have an orange rather than yellow capacitor. ​ The IMU on the moitessier board should be ok.   In any case, it is recommended to calibrate the accelerometer bias, even if factory calibrated as it will improve the factory calibration slightly.
calibration.txt ยท Last modified: 2019/07/25 13:55 by seandepagnier