CHAOTIC MOTION OF MAGNETIC RIGID SATELLITE IN ORBIT NEAR EQUATORIAL PLANE OF THE EARTH
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摘要: 讨论地球磁场中非自旋磁性刚体卫星在近赤道平面圆轨道上平面天平动的混沌问题.利用Melnikov方法预测出现混沌的可能性并数值验证混沌的存在性.研究表明地球磁场的周期扰动能引起卫星的混沌运动,扰动增大则混沌加强.
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关键词:
- 航天器姿态动力学 /
- 磁性卫星 /
- 混沌 /
- Melnikov方法 /
- Poincare截面
Abstract: The chaotic planar motion of a magnetic rigid satellite in a circular orbit nearthe equatorial plane of the earth is investigated in the present paper. The existenceof chaotic motion of the satellite is predicted by using Melnikov's method and verified by numerical computation in conjunction with the Poincare map. It is shownthat the periodic disturbance of the magnetic field of the earth can cause chaoticmotion of the satellite and the increase of the disturbance can intensify the chaoticmotion.
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