NOISE SUPPRESSION CONTROLLER FOR AIR MICRO UTILIZATION SYSTEM

摘要

PURPOSE:To suppress noises by inserting an amplifier which has a blind sector into a negative feedback loop. CONSTITUTION:Th amplifier 19 which has the blind sector equal to the amplitude of a noise appearing in a voltage owing to fine vibration of air pressure is inserted into the negative feedback control loop. Consequently, the influence of a noise generated in the electric output of a differential pressure sensor 9 owing to the disturbance and vibration of air generated by an air micrometer is suppressed.