Automated Adjustment System for Analysis Devices Using Image Processing

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Solution Overview

Problem

The existing automatic analysis devices face challenges in ensuring consistent adjustment quality and efficiency across experienced and inexperienced personnel, with varying adjustment times due to the manual visual confirmation of adjustment positions.

Innovation Solution

An automated adjustment system that uses a camera and computer to calculate adjustment values based on the comparison of current and predetermined positions, allowing precise adjustments of mechanisms such as suction/discharge nozzles and reagent aliquot pipetters, reducing human error and time differences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual visual confirmation method is used for adjustment, then adjustment quality depends on operator experience, but adjustment time varies significantly between experienced and inexperienced personnel

Engineering Contradiction:
Improveadjustment qualityVSAvoidadjustment time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces the manual visual confirmation method with an automated image processing system. A camera captures images of the adjustment object, and a computer automatically calculates adjustment values by comparing current position with predetermined position, eliminating dependence on operator experience and visual assessment.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-adjustment through automated image capture, processing, and calculation. The adjustment object's position is automatically detected and corrected without requiring human operators to visually assess and manually adjust, making the process independent of operator skill level.

Inventive Principle:
Principle #25Self-service

2Reliability

If automated image processing system is implemented, then adjustment quality becomes consistent, but device complexity increases

Engineering Contradiction:
Improveadjustment quality consistencyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces a camera as an intermediary device to capture images of the adjustment object, and a computer as a processing intermediary to calculate adjustment values. These intermediaries mediate between the physical adjustment object and the operator, providing consistent automated measurement and calculation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system creates a digital copy (image) of the adjustment object's physical position. This optical copy is then processed by the computer to determine adjustment values, replacing direct visual inspection with indirect image-based measurement that provides consistent results.

Inventive Principle:
Principle #26Copying

Data Source

PatentEP2816358B1System for adjusting automatic analysis device, method for adjusting automatic analysis device
Publication Date: 2021.04.07 HITACHI HIGH TECH CORP
  • EP2816358B1 patent drawingFigure 1A
  • EP2816358B1 patent drawingFigure 1B
  • EP2816358B1 patent drawingFigure 1C

AI summary

Technique for adjusting various mechanisms of an automatic analysis device, which can suppress the occurrence of a difference in adjustment quality between an experienced person and an inexperienced person, is provided. An adjustment system 100 includes a current position information acquiring unit 3a for acquiring information indicating a current position of an adjustment object, a predetermined position information storage unit 25a preliminary storing information indicating a predetermined position where the adjustment object should be located and an adjustment value calculation unit 3c which, by comparing the information indicating the current position of the adjustment object acquired by the current position information acquiring unit 3a with information indicating the predetermined position of the adjustment object that has been stored in the predetermined position information storage unit 25a, calculates an adjustment value that is required for adjusting the position of the adjustment object from the current position to the predetermined position.