The dynamic response of the integrated external hanging beam of a helicopter will cause the 6-degree-of-freedom deviation of the initial launching state of the weapon,which will affect the striking accuracy of the weapon.An error analysis method of error donut area deviation is proposed.Combined with the conversion relationship between the geographic coordinate system and the aircraft weapon coordinate system,the analytical equation of the error donut is derived,and the detailed solution method of the error donut area deviation is given.Finally,the variation characteristics and deviation accuracy of the error donut are analyzed with examples.
维普
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