Abstract

针对卡尔曼滤波中观测噪声是有色的且随时间变化这一情形,该文提出基于变分贝叶斯学习的自适应卡尔曼滤波算法。该算法先利用差分法,将时变噪声模型当中的有色观测噪声进行白化处理,从而使模型转换成了过程噪声与观测噪声相关的白噪声模型。考虑噪声相关条件下的卡尔曼滤波,并使之与变分贝叶斯学习结合,将白噪声方差与系统状态变量一起作为参数进行联合的递推估计。仿真结果表明,该自适应算法对时变的噪声具有较好的跟踪效果,相对经典卡尔曼滤波有着较高的滤波精度,最终得到时变有色观测噪声下的状态估计。

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.