Earticle

초록

영어

In this paper, a multi-sensor information fusion steady-state Kalman estimator for discrete time stochastic linear systems with system errors and sensor errors is presented. Gevers-Wouters(G-W) algorithm is used in this paper. Steady-state Kalman estimator is presented in this paper avoids the complex Diophantine equation, and it is based on the ARMA model to compute the steady-state Kalman estimators gain, further the Lyapunov equation is used to estimate the variance matrix and covariance matrix of estimation error. So this algorithm can obviously reduce the computational burden. In order to improve the estimation accuracy, the multi-sensor information fusion method is adopted. The fusion method includes weighted measurement fusion, weighted by scalars and the covariance intersection fusion. Under the linear minimum variance optimal information fusion criterion, the calculation formula of optimal weighting coefficients have be given in order to realize scalars weighted. To avoid the calculation of cross-covariance matrices, another distributed fusion filter is also presented by using the covariance intersection fusion algorithm, which can reduce the computational burden. And the relationship between the accuracy and the computation complexities among the three fusion algorithm are analyzed. A simulation example of the target tracking controllable system with two sensors shows its effectiveness and correctness.

목차

Abstract
 1. Introduction
 2. Problem Formulation
 3. Local Optimal Steady-State Estimator
 4. Multi-Sensor Information Fusion Optimal Steady-State Estimator
 5. Simulation Example
 6. Conclusions
 References

키워드

저자

• Yun Li [ School of Computer and Information Engineering Harbin University of Commerce Heilongjiang, Harbin, 150001, China, Electronic Engineering Institute Heilongjiang University Heilongjiang, Harbin, 150080, China ]
• Ming Zhao [ School of Computer and Information Engineering Harbin University of Commerce Heilongjiang, Harbin, 150001, China ]
• Gang Hao [ Electronic Engineering Institute Heilongjiang University Heilongjiang, Harbin, 150080, China ] corresponding author.

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Security and Its Applications

• 간기

  격월간

• pISSN

  1738-9976

• 수록기간

  2008~2016

• 등재여부

  SCOPUS

• 십진분류

  KDC 505 DDC 605