An Application of the Kalman Filter in a Laser Tracking Measurement System

Abstract:

Flexible coordinate measuring system based on laser tracking measurement system (LTS) is an effective method to detect 3D coordinates of moving target. However, the system suffers from various interferences resulting in low accuracy. This paper extends the application of a Kalman filtering algorithm in LTS to solve the problem. The laser tracking system is introduced. The state model of the laser tracking measurement system is developed and the linearization method of the model is analyzed. A Kalman filtering algorithm is used for the system. The result of the simulation shows that the proposed Kalman filter method works well for the improvement of accuracy of LTS.

• Periodical: Key Engineering Materials (Volumes 295-296)
• Pages: 245-252
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.295-296.245
• Online since: October 2005
• Authors: X.R. Chen, P. Cai, Wen Ku Shi
• Keywords: Coordinate Measurement, Kalman Filter (KF), Laser Tracking Measurement

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