FIELD: physics.
SUBSTANCE: reflex photoelectric angular displacement control system contains two light sources, reflector in the form of mirror plate with two opposite reflecting surfaces and fixed on torsion suspension, two-way electric circuit including two photodetectors, two amplifiers and matching computing unit. Light sources are mounted so that beams lie in plane perpendicular to torsion suspension rotation axis, move to reflector along the same straight line in reverse direction. And reflected beams lie in the same plane and move to associated photodetectors photodetecting planes of which are mutually parallel. Photodetectors generate voltage proportional to beam displacement on their photodetecting planes supplied to matching computing unit generating voltage proportional to difference of two voltages.
EFFECT: higher control accuracy of system angular displacement and vibration resistance, and extended applicability of proposed device.
4 dwg
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