Motion Analysis Device Stop Period Data Extraction

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Solution Overview

Problem

Existing motion analysis systems inefficiently use display regions due to the inclusion of data corresponding to stop periods in motion data, leading to compression and reduced clarity in displaying meaningful operator motions.

Innovation Solution

A motion analysis device and method that acquires time-series data, analyzes it to generate motion data indicating elemental motions, excludes stop periods from the data, and controls the display to differentiate and highlight relevant motion periods, thereby generating shortened motion data for efficient display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If motion data including stop periods is displayed, then complete operation data is preserved, but display region efficiency decreases

Engineering Contradiction:
Improvemotion data completenessVSAvoiddisplay region efficiency
Core Design Contradiction:
Loss of informationVSArea of stationary object

Solution Approach 1:

The patent extracts and removes stop period data from the motion data before display. The generation part specifically excludes data corresponding to stop periods until initial elemental motion is started, extracting only the meaningful motion portions for display while preserving complete operation data in the original motion data structure.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent segments motion data into meaningful elemental motion periods and stop periods, then displays only the elemental motion segments. The display control part differentiates periods corresponding to different elemental motions, creating segmented display regions that efficiently use display space while maintaining information completeness through selective presentation.

Inventive Principle:
Principle #1Segmentation

2Duration of action of moving object

If stop period data is included in display, then full operation timeline is shown, but data clarity decreases

Engineering Contradiction:
Improveoperation timeline completenessVSAvoidmotion data clarity
Core Design Contradiction:
Duration of action of moving objectVSMeasurement precision

Solution Approach 1:

The generation part extracts stop period data from the motion data and excludes it from the shortened motion data used for display. This extraction process removes useless data corresponding to stop periods, thereby improving the clarity and precision of the displayed motion information while maintaining the complete operation timeline through proper temporal sequencing of displayed elements.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The display control part dynamically adjusts the display based on differentiated elemental motion periods, adapting the presentation to highlight relevant motion data while maintaining temporal context. This dynamic display approach improves clarity by emphasizing meaningful motion periods while preserving the complete operational timeline structure.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11380137B2Motion analysis device, motion analysis method and recording medium
Publication Date: 2022.07.05 OMRON CORP
  • US11380137B2 patent drawing
  • US11380137B2 patent drawing
  • US11380137B2 patent drawing

AI summary

A motion analysis device, a motion analysis method and a recording medium for storing a motion analysis program that make it possible to use a display region more efficiently are provided. The motion analysis device includes an acquisition part that acquires time-series data relating to an operation performed by an operator, an analysis part that analyzes the time-series data and generates motion data indicating a type and execution time of an elemental motion, a generation part that excludes data corresponding to a stop period of the operator which is taken until an initial elemental motion is started from the motion data, and generates shortened motion data, and a display control part that performs control to differentiate periods corresponding to different elemental motions and display the shortened motion data on a display.