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《Journal of Gun Launch & Control》 2009-02
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Stabilization Model of Line of Sight and Axis of Firepower Based on Warship Coordinate System

HE Yong-chang1,WANG Lei2,HAN Zhao-wang1(1.Northwest Institute of Mechanical & Electrical Engineering,Xianyang 712099,Shaanxi,China;2.Naval Military Agency in Xi'an,Xi'an 710043,Shaanxi,China)  
A kind of stable method and model of warship-borne weapon system was established based on warship's coordinate system.The model made use of 2D-oriented principle of spherical coordinate system and 3D space fixed point characteristics of rectangular coordinate system.The real-time attitude coordinate transformation and real-time mutual conversion between rectangular coordinate system and spherical coordinate system were performed by means of attitude conversion matrix so as to realize respective stabilization of the line of sight and the axis of firepower of weapon system by use of 2D movement of warship-borne weapon system when the warship was swinging in 3D spaces.Thus this method can ensure that the line of sight of target detection unit consistently aims at the target,and the axis of firepower of the firepower unit consistently points to future impact point of target and projectile under the condition of the warship sway.
【CateGory Index】: U674.7
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