Method for producing disturbing torque to satellite using equivalent simulation of flexible accessory vibration by flywheel
2009
The invention provides a method for generating interfering moment to a satellite by using flywheels to equivalently simulate the vibration of a flexible accessory, and relates to the method for generating the interfering moment to a satellite body by using the flywheels to equivalently simulate the vibration of the flexible accessory on a single-shaft air bearing table so as to solve the problems that the satellite simulation parameters are difficult to be equivalent to the real satellite parameters, and the environment has large difference from the environment of astrospace existing in the prior flexible satellite gesture semi-physical simulation method. The method utilizes the single-shaft air bearing table to simulate a spacecraft body, the control moment is provided by one flywheel arranged on the air bearing single-shaft table, and flexible interfering moment is equivalently provided by another two flywheels. When the single-shaft air bearing table simulates the spacecraft to run on a track and in particular the satellite gesture is driven, the flexible accessory has large interference to the satellite body. The interfering moment needs to be loaded on the single-shaft air bearing table during simulating. The method is applicable to simulating the situation that the spacecraft with the flexible accessory runs on the track and can reduce the technical difficulty and the cost of ground simulation validation of the spacecraft with the flexible accessory.
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