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The ramjet is a new type propulsion system for high-speed flight test aircraft. The ultimate success of sustained high-speed flight will depend on configuring a fine and stable attitude flight control and robust airframe-propulsion-control combination. The mathematical models of high-speed aerodynamic forces and moments were established. A bank-to-turn autopilot structure was used for the longitudinal...
The guidance technique for suborbital reentry is discussed based on the flight characteristics and constraints of RLV. The suborbital reentry is divided by three sequential phases: Alpha Hold, Nz Hold and Alpha Transition. Firstly, the factors contributing to dynamic pressure rate are analyzed, and the guidance strategy is designed to arrest the sink rate to restrict dynamic pressure. Secondly, the...
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