首页> 外国专利> METHOD FOR ATTITUDE CONTROL OF A SATELLITE IN SURVIVAL MODE WITHOUT A PRIORI KNOWLEDGE OF THE LOCAL TIME OF THE SATELLITE'S ORBIT

METHOD FOR ATTITUDE CONTROL OF A SATELLITE IN SURVIVAL MODE WITHOUT A PRIORI KNOWLEDGE OF THE LOCAL TIME OF THE SATELLITE'S ORBIT

机译:在没有先验的卫星轨道的当地时间的先验知识的生存模式中卫星姿态控制方法

摘要

The present invention concerns a method (50) for attitude control of a satellite (10) in low inclined orbit in survival mode, the satellite (10) comprising at least one solar generator (12), at least one solar sensor (17a, 17b), magneto-couplers (15) designed to form internal magnetic moments in a satellite reference frame having three orthogonal axes X, Y and Z, and inertial actuators (16) designed to form internal kinetic moments in the satellite reference frame. The at least one solar sensor has a field of view at least 180° wide in the XZ plane around the Z axis, the method comprising: - a step (51) of attitude control using a first control law, - a step (52) of searching for the sun by means of the at least one solar sensor (17a, 17b), - when a first phase of visibility of the sun is detected: a step (53) of attitude control using a second control law.
机译:本发明涉及一种用于在生存模式下低倾斜轨道的卫星(10)的方法(50),卫星(10)包括至少一个太阳能发电机(12),至少一个太阳能传感器(17a,17b ),磁耦合器(15)设计用于在具有三个正交轴X,Y和Z的卫星参考框架中形成内部磁矩,并且惯性致动器(16),设计成在卫星参考框架中形成内部动力学矩。 至少一个太阳能传感器在Z轴周围的XZ平面中具有至少180°宽的视野,该方法包括: - 使用第一控制法的姿态控制的步骤(51) - 步骤(52) 通过至少一个太阳能传感器(17A,17B)来搜索太阳 - 当检测到太阳的可视性的第一阶段:使用第二控制法的姿态控制的步骤(53)。

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