Industrial Machine Variable Rewriting for Real-Time Control Accuracy

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Solution Overview

Problem

Existing industrial machine control systems require significant time for analysis results to be reflected, leading to potential errors and inaccuracies in control commands, as they rely on external analysts and may not accurately or quickly execute control commands.

Innovation Solution

A production system comprising a first industrial machine and circuitry that inputs control commands to rewrite variables defined for the machine, allowing for quick and accurate execution of control commands by separating variable definitions and values across different storage units and using an IoT unit to manage and reflect these changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If control commands are processed through external analysts, then analysis can be performed, but significant time is required for results to be reflected

Engineering Contradiction:
Improveanalysis accuracyVSAvoidtime for analysis result reflection
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The industrial machine performs analysis and executes control commands autonomously without external analyst intervention. The machine's controller analyzes operational data and automatically determines control commands, eliminating the time delay associated with external analysis while maintaining accuracy through automated decision-making algorithms.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The analysis function is extracted from external analysts and integrated directly into the industrial machine's controller. By embedding the analysis capability within the machine itself, the system eliminates the external processing step that caused time delays, allowing immediate execution of control commands based on real-time operational data.

Inventive Principle:
Principle #2Taking out (Extraction)

2Productivity

If control commands are executed quickly, then productivity improves, but accuracy of control commands may be compromised

Engineering Contradiction:
Improvecontrol command execution speedVSAvoidcontrol command accuracy
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The automated analysis and control command execution system operates continuously without external intervention, enabling rapid response to operational conditions. The machine's controller autonomously processes data and executes commands in real-time, achieving both high speed and accuracy through integrated decision-making algorithms that eliminate manual processing delays.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements continuous feedback loops where operational data is constantly monitored, analyzed, and used to adjust control commands in real-time. This closed-loop control ensures that commands are both accurate (based on current operational state) and executed quickly (through automated real-time processing without external approval steps).

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11953882B2Production system, control method, and information storage medium
Publication Date: 2024.04.09 YASKAWA DENKI KK
  • US11953882B2 patent drawing
  • US11953882B2 patent drawing
  • US11953882B2 patent drawing

AI summary

A production system, comprising: a first industrial machine configured to control a second industrial machine based on each of a plurality of variables; and circuitry configured to input, to the first industrial machine, a control command relating to an operation of at least one of the first industrial machine or the second industrial machine, wherein the first industrial machine rewrites, based on the control command, at least one variable defined as a rewritable variable among the plurality of variables.