a. docking device; b. longitudinal displacement; c. transverse displacement; d. roll rotation; e. pitch and yaw rotation; f. degrees; g. Soyuz; h. Apollo; i. maximum; j. average; k. maximum; 1. initial stage; m. average; n. Note: average value corresponds to simultaneous displacement in all coordinates (for Apollo APDA in initial stage of characteristic). are pitch and yaw rotations of the ring at the same angle, displacements of the edge of the ring may be about two times larger than for a differential scheme. Chapter 6 Elements of Shock Absorbers Electromechanical Damping 6.1. Energy Absorbing Elements The basis of the shock absorber is the element which absorbs energy. As in other areas of technology, the shock absorbers of the docking device use the following types of energy absorbing elements: 1) spring mechanisms; 2) pneumatic, hydraulic shock absorbers, or dampers; 3) friction brakes; 4) electromechanical dampers. Table 5.2. Range of Displacement of the Ring in APDAs.
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