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Proceedings Paper

Prediction trajectory of moving target based on parameter identify in RLS filtering with forget factor
Author(s): Yili Yin; Yan Tian; Zhang Li
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Paper Abstract

A moving target should be missing from a photoelectric theodolite tracker, when the clouds and other special conditions encountered in the course of a theodolite tracking a moving object, and this condition should cause the interruption of tracking process. In view of this problem, an algorithm based on the frame of parameter identification and rolling prediction to trajectory was presented to predicting the target trajectory when it missing. Firstly, the article makes a specification of photoelectric theodolite and it operating mechanism detailed. The reasons of flying target imaging disappear from the field of theodolite telescope and the traditional solution to this problem, the least square curve fitting of trajectory quadratic function of time, were narrated secondly. The algorithm based on recursive least square with forget factor, identify the parameters of target motion using the data of position from single theodolite, then the forecasting trajectory of moving targets was presented afterwards ,in the filtering approach of past data rolling smooth with the weight of last procedure. By simulation with tracking moving targets synthetic corner from a real tracking routine of photoelectric theodolite, the algorithm was testified, and the simulation of curve fitting a quadratic function of time was compared at the last part.

Paper Details

Date Published: 8 October 2015
PDF: 6 pages
Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 967725 (8 October 2015); doi: 10.1117/12.2202377
Show Author Affiliations
Yili Yin, Xi’an Institute of Optics and Precision Mechanics (China)
Univ. of Chinese Academy of Sciences (China)
Yan Tian, Xi'an Institute of Optics and Precision Mechanics (China)
Zhang Li, Xi'an Institute of Optics and Precision Mechanics (China)
Univ. of Chinese Academy of Sciences (China)

Published in SPIE Proceedings Vol. 9677:
AOPC 2015: Optical Test, Measurement, and Equipment
Sen Han; Jonathan D. Ellis; Junpeng Guo; Yongcai Guo, Editor(s)

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