编队飞行卫星相对轨道的自主确定算法

Autonomous Determination of Relative Orbit for Formation Flying Satellites

给出了描述编队飞行卫星近距离相对运动的C -W方程。讨论了基于相对位置测量的相对轨道自主确定方法 ,采用扩展卡尔曼滤波进行状态估计。仿真结果表明 ,在厘米级的测距精度和 0 0 1度的测角精度下 ,相对定轨精度能达到厘米量级 ,相对速度误差的量级为毫米

For Formation flying, C-W equation is used to modeling the relative motion between satellites. Autonomous determination of the relative orbit based on relative position measurement using extended Kalman filter is addressed. The simulation result indicates that the relative orbit determination should provide position accuracy of 0 01 meters and velocity accuracy of 0 001 m/s with range measurement uncertainty of 1 cm and angle measurement uncertainty of 0 01 degrees.