Optimization for multiple solution separation method in inertial aided satellite integrity monitoringChinese Full Text
LEI Bao-quan;ZENG Jin;AVIC XI’AN Flight Automatic Control Research Institute;
Abstract: An improved efficient method based on parameter sequential reuse is presented in order to reduce the computation burden of Multiple Solution Separation（MSS） method in inertial aided satellite integrity monitoring. Based on MSS method and its computational complexity analysis, a low-order processing MSS method is deduced with sequential processing. With the help of system structure and correlations of filters measurements, a filter parameter reuse method is proposed to avoid parameters replication computation. Simulation experiments are implemented by changing the fault involvement moment and visible satellite numbers, and the computational complexity between proposed method and MSS method are compared. The simulation results show that the new improved method can effectively reduce the computation burden of MSS and is convenient in practical application.
Keywords：
GNSS; inertial navigation; GNSS integrity monitoring; fault detection and exclusion; multiple solution separation; sequential processing; parameter reuse;
- DOI：
10.13695/j.cnki.12-1222/o3.2014.03.018
- Series：
- Subject：
- Classification Code：
TN96.1
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