DEVICE FOR AUTONOMOUS MEASUREMENT OF PHYSICAL QUANTITIES Russian patent published in 1997 - IPC

FIELD: measurement technology, design of measurement systems for robotic sensing. SUBSTANCE: device has two units 1 and 2 of measurement converters connected correspondingly to first and second inputs of first 3 and second 4 commutators, comparator 5 which forward input is connected to output of first unit 1 of measurement converters and inverting input - to output of second unit 2 of measurement converters. Output of comparator is connected directly to controlling input of commutator 3 and through invertor 6 - to controlling input of commutator 4 which output is connected to divider 7 having N outputs and manufactured in the form of resistive matrix. Device also includes N groups each composed of subtracter 8, comparator 9 and commutator 10. Output of subtracter 8 is connected to forward input of comparator 9 and first input of commutator 10 to which second input of subtracter 8 is connected. Inverting input of each comparator 9 is connected to zero bus and output - to controlling input of commutator 10 of corresponding group. Output of first commutator 3 is connected to input of subtracter 8 of first group and outputs of subtracter 8 of each following group are connected to outputs of commutators 10 of preceding group. Inputs of subtracters 8 of each group are connected to proper outputs of divider 7. Outputs of comparators 5, 9 and commutator 10 of last group are outputs of device. EFFECT: increased functional efficiency of device. 1 dwg