2.6.2. Some Geometric Correlations The interaction of spacecraft during and after linkage is mainly determined by the configuration and size of the docking mechanism and the receiving cone. Tn addition to basic sizes (diameters of the docking frame dm and the cross section of the receiving cone dfc) the sizes which define the process of interaction and subsequent union in a “rod and cone:” docking device is the angle of conicity 0k and the position of the limiting supports 0y and the course of the rod hm (Figure 2.3). These three sizes are linked, depend on <7.^ and and on the type of equalization mechanism. The course of the rod also depends on the protrusion of elements from the joint of the frame. Figure 2.3. Geometric correlations in the “rod and cone” type docking device . a. rotation to support m; b. rotation to support ; c. retracted position. The conicity has a significant effect on the dynamics of collision and the entire process of linkage. The linkage process usually develops more favorably at small values of (see section 4.2.1); however, when decreases, the longitudinal size of the docking device increases. The difference determines the maximum angle between the longitudinal axes of the spacecraft at which linkage occurs. This angle is defined by the initial values of the angles , and additional rotations before linkage . It is necessary that The angles and are also defined by initial conditions and the dynamic characteristics of the spacecraft.
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