Flexible distributed processing system for sensor data acquisiti

Details Flexible distributed processing system for sensor data acquisiti Flexible distributed processing system for sensor data acquisiti

1998-11-12

2000-03-07

Grant, William

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Plural processors

700 3, 700 9, 700 47, 700 83, 709213, 709220, 713201, 713320, G05B 1918

Patent

active

06035240&

ABSTRACT:
An all digital physical parameter sensing network. Sensors under control of a central computer measure factors such as temperature, pressure, flow rate, filter efficiency and the like at numerous locations in a system such as a water treatment plant. Each sensor is precalibrated with voltage offset information, sensitivity variations, corrections for nonlinear behavior, etc. stored in memory at the sensor. All sensors generate corrected voltage signals conforming with the measured physical parameter, so that any sensor can be replaced without requiring recalibration. Basically, the system comprises a central computer, a communications interface between the computer and a single bus, plural sensor nodes along the bus each including a sensor for sensing a physical condition and processing the sensed information to correct for sensor individual characteristics and for transmitting the corrected sensed information to the central computer. Assembling the various sensors and their sealing engagement with their electrical connections.

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