ASTRONOMICAL ORIENTATION SYSTEM FOR ORBITAL SPACECRAFT WITH FEEDBACK Russian patent published in 2024 - IPC B64G1/24 

FIELD: space technology; spacecraft orientation systems.

SUBSTANCE: celestial orientation system of an orbiting spacecraft (SC) contains a star sensor (SS), a module for calculating navigation and ballistic information (MCNBI), a module for calculating a stabilization matrix (MCSM), a module for calculating stabilization angles (MCSA) and a block of gyroscopic angular velocity meters (BGAVM). The outputs of SS and MCNBI are connected to the first and second inputs of MCSM, the output of which is connected to the input of MCSA. The system includes: a module for calculating the parameters of the spacecraft's programmed motion (MCPSPM), a module for generating a stabilization matrix (MGSM), a module for compensating for the mutual influence of channels (MCMIC) and a module for generating optimizing program functions (MGOPF). Three integrators, three amplification-matching units (AMU) and nine adders have also been introduced. Each of the MCSA outputs forms separate circuits of series-connected first adders, AMU, second adders, third adders and integrators, the outputs of which are connected to the second inputs of the first adders and the corresponding inputs of the MGSM. The second inputs of the second group of adders are connected to the corresponding outputs of the BGAVM, and their third inputs are connected to the corresponding outputs of the MCPSPM, which are simultaneously connected to the corresponding inputs of the MCMIC. The first, second and third outputs of the MCMIC are connected to the corresponding second inputs of the third group of adders. The fourth output of the MCPSPM is connected to the third input of the MCSM, and its first and second inputs are connected to the second output of the MCNBI and the output of the MGOPF. The outputs and inputs of the integrators in each of the channels are the angles of stabilization of the spacecraft in terms of angles and angular velocities, respectively.

EFFECT: invention makes it possible to improve the quality of spacecraft control in orbital flight.

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