Optimised analysis of low cost Inertial measurement-units as a result of Kalman filter

摘要

In the last few years the development of lower inertial sensors has been pushed forward. The dimensions of the newest sensors which one partly still in pilot production measure a few millimetres only. Quasi with the size decreases the price of the sensors caused in the abnormal increasing production figures and the application of low cost micro mechanical silicon structures. This makes applications with low cost systems possible in the meantime. The Fraunhofer Technology Development Group (TEG) in Stuttgart has shown the possibility of motion- tracing of an object with new low cost miniaturised sensors. The main drawback of low cost IMUs is the sensor drift of the sensors, because with decreasing volume and price the accuracy of the sensors goes down. This disadvantage has obviated the advantage of the low cost sensors up to now [2].