IDEAL FLYING QUALITIES FOR AERO-SPACE CRAFT

THERE IS CURRENTLY CONSIDERABLE INTEREST, BOTH IN THE U. S. AND ABROAD, IN THE DEVELOPMENT OF AIRCRAFT CAPABLE OF HYPERSONIC FLIGHT. HOWEVER, THERE IS VERY LITTLE GUIDANCE AVAILABLE ON THE FLYING QUALITIES CHARACTERISTICS THAT ARE DESIRABLE FOR THIS CLASS OF VEHICLES. THIS PROJECT WILL ATTEMPT TO DETERMINE THE MOST IDEAL SET OF FLYING QUALITIES CHARACTERISTICS BY USING A KEY RESULT OF INTEGRATED CONTROL-SYSTEM TECHNOLOGY. FUTURE HYPERSONIC AIRCRAFT WILL NO DOUBT REQUIRE THE USE OF A CONTROL SYSTEM THAT WILL INTEGRATE THE AIRCRAFT'S AERODYNAMICS, PROPULSION, AND STABILIZATION SYSTEMS. USING AN INTEGRATED, MODEL-FOLLOWINGCONTROL SYSTEM, IT IS POSSIBLE TO MAKE THE AIRCRAFT RESPONSEMATCH THAT OF A CHOSEN COMMAND MODEL. THEREFORE, THIS PROJECT WILL SEEK FOR THE OPTIMAL COMMAND MODEL FOR HYPERSONIC AIRCRAFT. THIS INNOVATIVE APPROACH IS IN DIRECT CONTRAST TO THE TRADITIONAL METHOD OF CLOSING ONE CONTROL-LOOP AT A TIME UNTIL "ACCEPTABLE" FLYING QUALITIES ARE ACHIEVED. THE PHASE I WORK WILL FOCUS ON A REVIEW OF CURRENT, APPLICABLE FLYING QUALITIES CRITERIA, CONSTRUCTION OF A PRELIMINARY COMMAND-MODEL, AND DEVELOPMENT OF A SIMULATION TEST PLAN. THE PHASE I WORK WILL SERVE AS PREPARATION FOR A REAL-TIME, PILOTED SIMULATION OF THE COMMAND MODEL DYNAMICS IN PHASE II. THERE IS CURRENTLY CONSIDERABLE INTEREST, BOTH IN THE U. S. AND ABROAD, IN THE DEVELOPMENT OF AIRCRAFT CAPABLE OF HYPERSONIC FLIGHT. HOWEVER, THERE IS VERY LITTLE GUIDANCE AVAILABLE ON THE FLYING QUALITIES CHARACTERISTICS THAT ARE DESIRABLE FOR THIS CLASS OF VEHICLES. THIS PROJECT WILL ATTEMPT TO DETERMINE THE MOST IDEAL SET OF FLYING QUALITIES CHARACTERISTICS BY USING A KEY RESULT OF INTEGRATED CONTROL-SYSTEM TECHNOLOGY. FUTURE HYPERSONIC AIRCRAFT WILL NO DOUBT REQUIRE THE USE OF A CONTROL SYSTEM THAT WILL INTEGRATE THE AIRCRAFT'S AERODYNAMICS, PROPULSION, AND STABILIZATION SYSTEMS. USING AN INTEGRATED, MODEL-FOLLOWINGCONTROL SYSTEM, IT IS POSSIBLE TO MAKE THE AIRCRAFT RESPONSEMATCH THAT OF A CHOSEN COMMAND MODEL. THEREFORE, THIS PROJECT WILL SEEK FOR THE OPTIMAL COMMAND MODEL FOR HYPERSONIC AIRCRAFT. THIS INNOVATIVE APPROACH IS IN DIRECT CONTRAST TO THE TRADITIONAL METHOD OF CLOSING ONE CONTROL-LOOP AT A TIME UNTIL "ACCEPTABLE" FLYING QUALITIES ARE ACHIEVED. THE PHASE I WORK WILL FOCUS ON A REVIEW OF CURRENT, APPLICABLE FLYING QUALITIES CRITERIA, CONSTRUCTION OF A PRELIMINARY COMMAND-MODEL, AND DEVELOPMENT OF A SIMULATION TEST PLAN. THE PHASE I WORK WILL SERVE AS PREPARATION FOR A REAL-TIME, PILOTED SIMULATION OF THE COMMAND MODEL DYNAMICS IN PHASE II.