G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
G05D1/0816—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft to ensure stability
G05D1/085—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft to ensure stability to ensure coordination between different movements