at any point, if the sun elevation or sun azimuth errors or the momentum vector error exceeds tolerances, the acs will return to an appropriate mode in order to correct the problem.
what will the spin angular momentum vector then do if the torque is in this direction?
,旋转的角动量矢量会怎样,如果力是这个方向。
the acs exits mode 1 when the rotation has been dampened enough, that is, when the x and z components of the momentum vector drop below a certain threshold.
当旋转得到足够的减缓时,也就是当动量向量的x与z元素低于某个门槛值时,acs会离开模式1。
this article extends the concept of regular precession of angular momentum vector to any mathematical and physical vector.