Wall Diagnostic Device Using Radar Classification and Uncertainty

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Solution Overview

Problem

Existing wall diagnostic devices require manual selection of wall types, which can lead to inaccuracies and suboptimal subsequent processing steps, and lack effective methods for determining uncertainty in diagnostic results.

Innovation Solution

A computer-implemented method for a wall diagnostic device that automatically determines wall types using radar data, provides uncertainty values, and allows user interaction through selection functions to enhance accuracy and adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual wall type selection is used, then device complexity is reduced, but measurement precision and reliability deteriorate due to user errors and subjectivity

Engineering Contradiction:
Improvewall type determination accuracyVSAvoidautomatic classification system
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system performs self-service by automatically determining wall type through radar data analysis and uncertainty assessment without requiring user intervention. The diagnostic module autonomously classifies wall types based on measured data, eliminating manual selection errors while maintaining high precision through algorithmic processing.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The manual mechanical selection process is replaced with an automated electronic classification system. The diagnostic module uses radar data processing and uncertainty-based algorithms to substitute human decision-making, achieving higher precision through objective data-driven classification rather than subjective user judgment.

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

2Productivity

If automatic wall type determination is implemented, then productivity is improved by eliminating manual selection, but loss of information increases due to potential automation errors

Engineering Contradiction:
Improvewall diagnosis speedVSAvoiduncertainty in diagnostic results
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The system implements feedback by providing uncertainty values alongside automatic wall type determination results. This feedback mechanism allows users to assess the reliability of automated classifications and make informed decisions, preventing information loss by making uncertainty transparent rather than hiding it behind black-box automation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs partial automation by allowing users to override automatic wall type determination when uncertainty values indicate potential errors. This partial action approach maintains productivity benefits while preserving the ability to intervene when necessary, balancing automation efficiency with information accuracy.

Inventive Principle:
Principle #16Partial or excessive action

3Reliability

If uncertainty values are provided for diagnostic results, then reliability is improved through better risk assessment, but device complexity increases due to additional calculation and display requirements

Engineering Contradiction:
Improvediagnostic result trustworthinessVSAvoiduncertainty calculation and display system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Uncertainty values serve as an intermediary between the automatic classification system and the user. Rather than directly presenting raw classification data, the system uses uncertainty metrics as a mediator to convey reliability information, enabling users to assess diagnostic trustworthiness without requiring complex internal system knowledge.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system changes parameters by introducing uncertainty values as an additional output parameter alongside wall type classification. This parameter transformation converts complex classification confidence assessments into simple, interpretable probability values that enhance reliability communication without requiring complex display interfaces.

Inventive Principle:
Principle #35Parameter changes

4Adaptability or versatility

If multiple wall types are classified with probability values, then adaptability is improved by providing options, but loss of time increases due to user evaluation of multiple results

Engineering Contradiction:
Improvewall type classification optionsVSAvoiduser decision-making time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system performs preliminary action by pre-evaluating and ranking multiple wall type classifications with probability values before user review. This preliminary sorting reduces the cognitive load on users by presenting options in order of likelihood, enabling faster decision-making while maintaining adaptability through multiple classified options.

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables accurate and user-friendly wall type determination with uncertainty assessment, improving the quality and reliability of wall diagnosis by incorporating user knowledge and manual corrections.

Implementation Method 1

receiving radar data from a radar sensor unit of the measuring device

Methodology Applied
Scientific EffectRadar: Radar

Data Source

PatentEP4617727A1Method for operating a measuring device
Publication Date: 2025.09.17 ROBERT BOSCH GMBH
  • EP4617727A1 patent drawingFigure 1
  • EP4617727A1 patent drawingFigure 2
  • EP4617727A1 patent drawingFigure 3

AI summary

The invention relates to a computer-implemented method (200) for operating a measuring device (100), in particular a wall diagnostic device, comprising: receiving (201) radar data (103) from a radar sensor unit (101) of the measuring device (100); performing (203) a wall diagnosis by performing an analysis of the radar data (103) and providing diagnostic results (109) by a diagnostic module (107) of the measuring device (100); providing (207) the diagnostic results (109) by the diagnostic module (107) to a display unit (111) of the measuring device (100); and displaying (209) the diagnostic results (109) in the display unit (111).