Measuring Circuit Calibration with Synchronized Digital Feedback
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Solution Overview
Problem
Current calibration methods for measuring circuits in industrial processes require two workers, one in the field and one in the control room, leading to slow and error-prone manual recording of results due to surplus communication via phone.
Innovation Solution
A method and system for automatic calibration of measuring circuits, where a calibrator connected to the process feeds a stimulus and receives measurement results digitally, with a delay module ensuring synchronization and storage as a numerical value pair, allowing single-person operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual calibration with two workers is used, then measurement accuracy can be verified, but calibration speed is slow and error-prone due to manual recording and phone communication
Solution Approach 1:
The patent replaces the manual mechanical recording system with an automated digital data transmission system. The calibrator and control room system automatically exchange data through a communication interface, eliminating the need for manual writing and phone communication. This substitution maintains measurement accuracy while dramatically improving calibration speed and reducing human error.
Solution Approach 2:
The system enables self-service calibration by automating the data collection and comparison process. The control room system automatically receives calibration data from the calibrator, compares it with expected values, and generates calibration results without requiring manual intervention for data recording and analysis. This allows a single operator to perform calibration tasks that previously required coordinated efforts of multiple workers.
2Reliability
If two workers are deployed for calibration, then results can be monitored and recorded, but communication overhead and potential for mistakes increase
Solution Approach 1:
The patent merges the functions of multiple workers into a single integrated system. The control room system combines data reception, analysis, comparison, and result generation functions that were previously distributed among multiple operators. This consolidation maintains calibration reliability through automated verification while reducing operational complexity by eliminating the need for coordinated human efforts and communication protocols.
3Ease of operation
If manual recording of calibration data is used, then flexibility is maintained, but errors in data transcription and communication occur
Solution Approach 1:
The patent replaces manual data transcription with automated digital data exchange. The calibrator and control room system communicate through standardized digital interfaces, automatically transmitting calibration parameters and results without human intervention. This eliminates transcription errors while maintaining operational flexibility through programmable calibration routines and automated report generation.
Data Source
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AI summary
The present invention describes an automatic calibration method for a measuring circuit for example in an industrial automation or handling process, where only one person is needed to manage the entire procedure. The components are a calibrator (11) which the worker in the field has with him, which can be connected to the starting end of the measuring circuit in order to give an impulse. The quantity to be measured/calibrated has not been limited. The measurement result is seen at the end of the measuring circuit on a screen of the control room, i.e. DCS (13). Depending on the alternative embodiment, the measured numerical value can be steered either to a dedicated server (14) over an OPC connection, and onwards wirelessly or via Ethernet back to the calibrator (11). One alternative is to use a smart device (16) which the worker has, with suitable applications, to which the measured data can be sent over a network, and the data is also presentable in a user-friendly manner in such an application. Thus, the data can be sent onwards to the calibrator (11) in the field over a BT connection. A third alternative is a direct sending of the measurement result from the control room (13) to the calibrator (11), whereby a 3G/4G/5G network, a Wifi, Bluetooth or Ethernet connection can be used for sending the data. A delay module (15) manages mutual temporal synchronization of the data i.e. numerical pairs. The data can be stored in a spreadsheet, matrix or graphic form in a desired place, such as in the calibrator's (11) own memory or in a desired server for example in a cloud.