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In the paper, an angular velocity measurement based on only-acceleration was proposed to deal with the problem that the angular motion of autobiography carrier could not be measured through gyro. Comparing the merit and demerit of traditional configurations, a new coplanar configuration of only-acceleration was designed based on the relativity between Vertical accelerometer and parallel accelerometer...
A gyroscope-free inertial measurement system(GFIMS) uses only accelerometers to measure angular velocity and specific force. It is a low-cost inertial measurement system. But the value of angular velocity is computed by the outputs of accelerometers, its accuracy is lower than that of a conventional inertial measurement system equipped with gyroscopes. So it is very necessary to research on high accuracy...
The navigation accuracy is seriously affected by installation errors of accelerometers in Gyroscope Free Strap-down Inertial Navigation System(GFSINS). So, the installation errors have to be calibrated before used and the output errors of accelerometers must be compensated while GFSINS is on working. In this paper, consider a 12-accelerometer GFSINS constituted with four three-axis accelerometers,...
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