Dynamic Readability Adjustment for Production Weighing

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Solution Overview

Problem

Current weighing scale technologies require setting the readability to the most demanding requirement for all ingredients, leading to inefficient and error-prone processes, as they do not adapt dynamically to the specific accuracy needs of each ingredient, resulting in prolonged measurement times and potential inaccuracies.

Innovation Solution

A method that dynamically adjusts the readability parameter of a scale for each ingredient based on its specific weighing tolerance and safety factors, allowing for automatic configuration before weighing, thereby optimizing the weighing process by setting the readability parameter according to the requirements of each ingredient, reducing the need for manual intervention and minimizing measurement time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the readability of the scale is set to the most demanding requirement for all ingredients, then the measurement precision is improved, but the measurement time is prolonged

Engineering Contradiction:
Improvemeasurement precisionVSAvoidmeasurement time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent applies dynamics by making the readability parameter adjustable and adaptive rather than fixed. The system dynamically changes the readability setting based on the specific ingredient being weighed and its associated tolerance requirements, allowing the scale to optimize between precision and speed for each weighing operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by modifying the readability parameter of the scale according to different ingredients and their tolerance specifications. The system automatically adjusts this key parameter to match the required precision level for each ingredient, avoiding unnecessary high-precision settings that would increase measurement time.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If the readability of the scale is manually switched between ingredients, then the measurement precision is improved, but the ease of operation deteriorates

Engineering Contradiction:
Improvemeasurement precisionVSAvoidease of operation
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent applies self-service by enabling the scale system to automatically adjust its readability parameter without requiring manual intervention. The system retrieves tolerance information for each ingredient and autonomously configures the appropriate readability setting, eliminating the need for operators to manually switch between precision levels.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces the manual mechanical adjustment of readability with an automated electronic control system. The system uses software-based parameter adjustment and electronic communication between the scale and ingredient information sources, substituting manual operator actions with automated computational processes.

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

3Reliability

If the readability is set to the most demanding requirement, then the reliability is improved, but the productivity deteriorates

Engineering Contradiction:
ImprovereliabilityVSAvoidproductivity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent implements parameter changes by dynamically adjusting the readability parameter based on the specific tolerance requirements of each ingredient. This allows the system to maintain reliability by setting appropriate precision levels while improving productivity by avoiding unnecessarily high precision settings that would slow down the weighing process.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11808619B2Time-efficient weighing in a production process
Publication Date: 2023.11.07 METTLER TOLEDO GMBH
  • US11808619B2 patent drawing

AI summary

A method is provided for optimizing the time required for a scale to weigh a set of ingredients. A weighing tolerance is obtained for each ingredient in the set. Based on the weighing tolerance, a readability parameter is determined for each ingredient. Based on the determined readability parameter, the scale is configured before each ingredient is weighed.