G
PHYSICS
G
PHYSICS
G05
CONTROLLING; REGULATING
G05
CONTROLLING; REGULATING
G05D
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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
G05D1/00
Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
G05D1/02
Control of position or course in two dimensions
G05D1/02
Control of position or course in two dimensions
G05D1/021
specially adapted to land vehicles
G05D1/021
specially adapted to land vehicles