公开(公告)号：US11046462B2

公开(公告)日：2021-06-29

申请号：US16234159

申请日：2018-12-27

Applicant: National Applied Research Laboratories

Inventor： Ying-Wei Jan ,  Ming-Yu Yeh ,  Wei-Ting Wei ,  Jia-Cheng Li ,  Yeong-Wei Wu

IPC: B64G1/24 ,  B64G1/36 ,  B64G1/28 ,  B64G1/10 ,  G01C21/02

Abstract: A satellite attitude data fusion system and method is disclosed, applicable to the earth satellite environment to estimate attitude data of the satellite. When the satellite attitude data fusion system of the present invention is used to perform the satellite attitude data fusion method, the first step is to perform a body rates quaternion attitude data processing operation. Then, the next step is to perform an attitude/rates data fusion processing operation, wherein an attitude data fusion algorithm module receives the first IAE result data from the first EKF, and the second JAE result data from the second EKF, and performs an attitude/rates data fusion algorithm in a subsystem level to evaluate an attitude estimation JAE performance.

公开(公告)号：US11142351B2

公开(公告)日：2021-10-12

申请号：US16457188

申请日：2019-06-28

Applicant: National Applied Research Laboratories

Inventor： Ying-Wen Jan ,  Ming-Yu Yeh ,  Wei-Ting Wei ,  Yeong-Wei Wu

IPC: B64G1/66 ,  H03H17/02 ,  G01C21/02 ,  G01P15/18

Abstract: Provided are an earth satellite attitude data fusion system and method, applicable to an earth satellite space environment to estimate attitude data of a satellite. When the earth satellite attitude data fusion system of the present invention is used to perform the earth satellite attitude data fusion method, the first step is to perform a body rates/quaternion attitude data processing operation. Then, the next step is to perform an attitude/rates data fusion processing operation, wherein an attitude data fusion algorithm module receives a first IAE result data from a first EKF, and a second IAE result data from a second EKF, and performs an attitude/rates data fusion algorithm in a subsystem level to evaluate an attitude estimation IAE performance based on the first IAE result data, and the second IAE result data.