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中文摘要：
针对电动力绳系卫星轨道机动问题,提出三种电流控制策略实现不同要求的轨道机动.采用常值电流、bang-bang式电流以及傅里叶式电流三种控制策略来实现电动力绳系卫星的轨道机动,并引入小误差修正方法来提高控制精度.结果表明：常值电流和bang-bang式电流分别能够实现轨道倾角和升交点赤经的独立变化;而傅里叶式的时变电流能够实现考虑气动阻力情况下的一般轨道机动.提出的小误差修正方法只需经过一次误差修正就能显著提高轨道机动控制精度.
英文摘要：
Three kinds of current control strategies have been used to accomplish orbit maneuvers of electrodynamic tether satellites.The constant current control strategy could change the orbit inclination without changing the right ascension of the ascending node; and the bang-bang current control strategy could change the right ascension of the ascending node without changing orbit inclination.At last,the time-varying current control strategy based on Fourier series is used to realize the general orbital maneuvers.To improve the control accuracy,the method named small error modification has been used.The simulations show that these control strategies could finish the desired orbit maneuvers.
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