Fuzzy logic based emergency flight control with thrust vectoring capability

A fuzzy logic based flight control system for a jet engine equipped aircraft, said aircraft having a jet engine exhaust thrust port, said flight control system comprising:

• a thrust vectoring flight control system carried by said aircraft;
• a fuzzy logic controller, including a set of fuzzy logic algorithms, said fuzzy logic controller communicating with said thrust vectoring flight control system;
• an adjustable nozzle coupled to said exhaust thrust port of said engine, said adjustable nozzle angularly adjustable to direct thrust of said engine in a direction responsive to said fuzzy logic controller;
• an aerodynamic flight control system coupled to said fuzzy logic controller, said aerodynamic flight control system including a control surface system.

A fuzzy logic based flight control system for a jet engine equipped aircraft, said aircraft having a jet engine exhaust thrust port, said flight control system comprising:

• a thrust vectoring flight control system carried by said aircraft;
• a fuzzy logic controller, comprising:
• a microprocessor,
• a memory device coupled to said microprocessor,
• a storage device coupled to said microprocessor,
• input and output ports coupled to said microprocessor, and
• a hardware system coupled to said microprocessor;
• a set of fuzzy logic algorithms, and;
• data input to said fuzzy logic controller comprising:
• a position, attitude, and heading determination system comprising:
• a plurality of global positioning system receivers mounted to said aircraft with one of said global position receivers mounted to a front portion, one to a rear portion, one to a left wing portion, and one to a right wing portion of said aircraft, and
• a determination processor coupled to said global positioning system receiver, said determination processor capable of calculating and assessing position, attitude, and heading of said aircraft;
• and said determination processor system capable of determining and monitoring the area proximate said aircraft and an area outside the area proximate said aircraft;
• said fuzzy logic controller communicating with said thrust vectoring flight control system;
• an adjustable nozzle coupled to said exhaust thrust port of said engine, said adjustable nozzle angularly adjustable to direct thrust of said engine in a direction responsive to said fuzzy logic controller;
• an aerodynamic flight control system coupled to said fuzzy logic controller, said aerodynamic flight control system comprising:
• a flap control system,
• an aileron control system,
• a stabilizer control system,
• a communications system capable of broadcasting a signal to a ground station;
• a three dimensional display device for providing relative air craft positions, aircraft identification information and immediate sense of depth perception;
• a terrain map containing geographic information related to terrain of an area proximate to said aircraft.

A fuzzy logic method for controlling an aircraft comprising the acts of:

• obtaining input variables related to the aircraft and communicating the input variables to a fuzzy logic controller,
• fuzzifying the input variables into input fuzzy sets by using the fuzzy logic controller,
• obtaining fuzzied output variables from the fuzzified input variables,
• using the fuzzified output variables to calculate crisp output values for controlling the aircraft, and
• executing commands based on the crisp output values wherein the commands control the aircraft.