Measuring Device Fuzzy Energy Control for Reliable Method Execution

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Solution Overview

Problem

Existing measuring devices face operational reliability issues due to energy undersupply when power requirements exceed what can be drawn from a current loop, leading to incomplete method execution.

Innovation Solution

A method and device utilizing fuzzy algorithms and membership functions to dynamically determine method steps that can be executed within available energy limits, ensuring no more energy is required than is available.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the measuring device executes method steps that require more energy than available from the current loop and buffer storage, then the device can perform more functions, but the operational reliability deteriorates due to energy undersupply

Engineering Contradiction:
Improvenumber of executable method stepsVSAvoidoperational reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The controller dynamically adjusts the selection and execution of method steps based on real-time energy availability assessment. The fuzzy logic algorithm continuously evaluates buffer voltage and operating parameters to adaptively determine which method steps can be executed, transforming the static energy management into a dynamic decision-making process that optimizes both productivity and reliability

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the parameter of method step selection based on energy conditions. By using fuzzy logic to evaluate buffer voltage and operating parameters, the system transitions between different operational states, selecting method steps whose energy requirements match the current energy availability, thus preventing energy undersupply while maximizing functional output

Inventive Principle:
Principle #35Parameter changes

2Duration of action of moving object

If the buffer storage is used to supply energy during high power demand, then the device can maintain operation, but the buffer storage depletes and requires recharging time

Engineering Contradiction:
Improvecontinuous operation durationVSAvoidrecharging time
Core Design Contradiction:
Duration of action of moving objectVSLoss of time

Solution Approach 1:

The controller performs preliminary assessment of energy availability using fuzzy logic evaluation of buffer voltage and operating parameters before selecting method steps. This preliminary action prevents energy undersupply by ensuring that only method steps compatible with current energy reserves are selected, allowing continuous operation without unexpected interruptions for recharging

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system continuously monitors buffer voltage and operating parameters, feeding this information back to the fuzzy logic algorithm. This feedback mechanism enables real-time adjustment of method step selection based on actual energy status, optimizing the balance between continuous operation duration and recharging requirements

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12510398B2Measuring device and method of operating a measuring device
Publication Date: 2025.12.30 KROHNE S.A.S.
  • US12510398B2 patent drawing
  • US12510398B2 patent drawing
  • US12510398B2 patent drawing

AI summary

A method for operating a measuring device includes: storing a voltage membership function; assigning a voltage membership degree to a voltage fuzzy set of sufficient buffer voltages; storing an operating parameter membership function; assigning an operating parameter membership degree to an operating parameter fuzzy set of sufficient operating parameter values; determining an operating parameter value and measuring a first buffer voltage at a first time; executing a fuzzy algorithm that involves determining the voltage membership degree of the first buffer voltage using the voltage membership function, determining the operating parameter membership degree of the operating parameter value using the operating parameter membership function, and determining a result membership degree by combining the voltage membership degree and the operating parameter membership degree; and determining a further method step which requires no more than an available energy for a duration of an execution of the method step.