| Summary: | The separation attitude of air-to-air missile to fighter should be adjusted adaptively in wide range to meet the missile-aircraft separation requirements under different flight states, but current ejection separation mechanism with fixed separation attitude could not meet the requirements. To solve this problem, a metamorphic ejection separation mechanism is proposed. Metamorphic PR-R kinematic pair is used to replace traditional hinge kinematic pair in the key hinge of ejection separation mechanism, the ejection forces of the front and rear push arm to missile are changed in real time, then missile ejection separation attitude could be adjusted adaptively in wide range. Multi-body dynamics model of metamorphic ejection separation mechanism is established, and the dynamics simulation analysis is carried out. Simulation results shows that the proposed metamorphic ejection separation mechanism could adjust separation attitude in wide range, which lays a foundation for the further realization of real-time intelligent control of the airborne missile ejection mechanism.
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