Vibratory Screening Control Using Real-Time Efficiency Feedback

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Solution Overview

Problem

Existing screening devices face inefficiencies due to varying process parameters that are not accounted for in their design, leading to suboptimal performance in dynamic environments.

Innovation Solution

A method and apparatus for monitoring and adjusting the operation of vibratory screening devices using sensors and machine learning to determine performance metrics, allowing for real-time adjustments of screen control parameters based on environmental conditions and user preferences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If screening devices are designed with fixed environmental assumptions, then device structure is simplified, but performance deteriorates when environmental parameters vary

Engineering Contradiction:
Improvedevice structureVSAvoidscreening efficiency
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The system transitions from fixed design assumptions to dynamic adaptation by continuously monitoring environmental parameters (temperature, humidity, feed characteristics) and adjusting screen control parameters (motor speed, stroke shape, stroke angle) in real-time to maintain optimal screening efficiency under varying conditions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters (motor speed, stroke shape, stroke angle, feed speed) based on monitored environmental conditions and performance metrics, allowing the screening device to adapt to varying environmental factors without requiring complex structural modifications

Inventive Principle:
Principle #35Parameter changes

2Productivity

If real-time monitoring and adjustment systems are implemented, then screening efficiency is improved, but device complexity increases

Engineering Contradiction:
Improvescreening efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system implements continuous feedback loops where sensors monitor environmental parameters and screening performance, the processor analyzes this data to determine performance metrics, and the system automatically adjusts screen control parameters to maintain optimal efficiency, creating a closed-loop control system

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs self-adjustment by automatically modifying its own operational parameters (motor speed, stroke shape, stroke angle) based on real-time performance data and environmental conditions, reducing the need for manual intervention and external control

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP4624062A1Method and apparatus for monitoring screening device process efficiency
Publication Date: 2025.10.01 SANDVIK ROCK PROCESSING AUSTRALIA PTY LIMITED
  • EP4624062A1 patent drawingFigure 1
  • EP4624062A1 patent drawingFigure 2
  • EP4624062A1 patent drawingFigure 3

AI summary

In one aspect there is provided a method (200) of monitoring a screening device process efficiency of a screening device (118), the method comprising: receiving input data relating to operation of the screening device process (S202); based on the input data, determining output data representing a set of performance metrics of the screening device process (S204); based on the output data, determining a machine performance metric indicative of an efficiency of the screening device process (S208); comparing the machine performance metric with machine performance reference data (S210); initiating an adjustment process for adjusting an operation of the screening device based on the indication of the result (S214A).