计算机与数字工程
計算機與數字工程
계산궤여수자공정
COMPUTER & DIGITAL ENGINEERING
2015年
6期
997-1000
,共4页
SINS/GPS%联合自适应卡尔曼滤波器%基本联合卡尔曼滤波器
SINS/GPS%聯閤自適應卡爾曼濾波器%基本聯閤卡爾曼濾波器
SINS/GPS%연합자괄응잡이만려파기%기본연합잡이만려파기
SINS/GPS%federated adaptive Kalman filter%basic federated Kalman filter
为了保证SINS/GPS组合导航系统具有较高的定位精度和抗干扰能力,需要良好的数据处理方法。论文设计了SINS/GPS组合导航系统的联合自适应卡尔曼滤波器。研究了其在舰船组合导航系统随机数据处理中的应用。针对系统噪声和量测噪声未知的情况,采用联合自适应滤波处理组合导航系统较采用基本联合Kalman滤波方法具有更好地稳定性。理论分析与仿真结果表明,该联合自适应卡尔曼滤波器的设计合理,能够加快计算速度,实现实时滤波计算,提高系统的导航精度和容错能力,取得了很好的估计效果。
為瞭保證SINS/GPS組閤導航繫統具有較高的定位精度和抗榦擾能力,需要良好的數據處理方法。論文設計瞭SINS/GPS組閤導航繫統的聯閤自適應卡爾曼濾波器。研究瞭其在艦船組閤導航繫統隨機數據處理中的應用。針對繫統譟聲和量測譟聲未知的情況,採用聯閤自適應濾波處理組閤導航繫統較採用基本聯閤Kalman濾波方法具有更好地穩定性。理論分析與倣真結果錶明,該聯閤自適應卡爾曼濾波器的設計閤理,能夠加快計算速度,實現實時濾波計算,提高繫統的導航精度和容錯能力,取得瞭很好的估計效果。
위료보증SINS/GPS조합도항계통구유교고적정위정도화항간우능력,수요량호적수거처리방법。논문설계료SINS/GPS조합도항계통적연합자괄응잡이만려파기。연구료기재함선조합도항계통수궤수거처리중적응용。침대계통조성화량측조성미지적정황,채용연합자괄응려파처리조합도항계통교채용기본연합Kalman려파방법구유경호지은정성。이론분석여방진결과표명,해연합자괄응잡이만려파기적설계합리,능구가쾌계산속도,실현실시려파계산,제고계통적도항정도화용착능력,취득료흔호적고계효과。
The better data process method is needful to insure the SINS/GPS integration system with higher position‐precision and anti‐jamming ability .In this paper ,the research work focus on the federated adaptive kalman filter in the SINS/GPS system .Its application to the data processing of warship integrated navigation system are studied .It is much bet‐ter than a basic federated Kalman filter on stability performance when using federated adaptive kalman filter for the status that the system and measuring noise are not ascertainable .With the theory analysis and simulation results ,it comes to the conclusion that the design of the federated adaptive Kalman filter is successful ,it can meet the pre‐set requirements ,increa‐ses the calculation speed ,improve the navigation precision and fault‐tolerance of the system .