IMUF

IMUF Tuning

Q

Think of Q as “Trust”. The more you “trust” the gyro measurement, the less filtering will be applied. Q values are “elastic”. The defaults (3000) are now baseline values. This will predictably change based on conditions during flight. This results in a much more responsive and connected feel. This also reduces the potential for MTO, and other unwanted flight characteristics. In some instances MTO can be created from having a Q value which is to low. In those instances increases Q will help with MTO.

W

W is the amount of gyro readings which the IMUF filter looks at to determine its filter. Lower W gives a sharper stick feel. Larger craft prefer a higher W value. Increasing W does not increase delay in the filter, instead it just increases the window of gyro readings from the past that the filter looks at to make its calculations.