Motion Analysis Device Displaying Elemental Motions by Height
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Solution Overview
Problem
Existing motion analysis systems face decreased browsability as motion data lengthens, as the display of motion data becomes wider and less manageable, making it difficult to efficiently visualize and compare operator performance over time.
Innovation Solution
A motion analysis device and method that acquires and analyzes time-series data to generate motion data, displaying elemental motions side by side in a time-series order with constant width objects indicating execution times by height, allowing for efficient visualization and comparison without increasing display width, even as motion data lengthens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If motion data is displayed using a graph with time on the horizontal axis and detection amount on the vertical axis, then the motion data can be visualized, but the graph increases in width as motion data becomes longer, resulting in decreased browsability
Solution Approach 1:
The patent changes the display dimension by representing execution time as the height (vertical dimension) of bar-shaped objects instead of using the horizontal axis for time progression. This allows multiple elemental motions to be displayed side by side in a compact horizontal space while maintaining time-series ordering, effectively converting a 2D graph into a 1D bar representation that preserves temporal information without expanding display width.
Solution Approach 2:
The patent segments the continuous motion data into discrete elemental motions, each represented as an individual bar-shaped object. This segmentation allows each elemental motion to be independently displayed with its execution time encoded as bar height, enabling compact side-by-side arrangement of multiple segments while maintaining temporal sequence, thus improving browsability without increasing overall display width.
2Duration of action of moving object
If motion data lengthens, then more operational information is captured, but the display becomes wider and less manageable
Solution Approach 1:
The patent encodes the temporal duration of each elemental motion into the vertical height dimension of bar-shaped objects rather than extending horizontally. This allows longer motion data sequences to be displayed within a fixed horizontal space by stacking bars side by side, maintaining display manageability while accommodating extended operational durations.
Solution Approach 2:
The patent changes the parameter representation by encoding execution time as bar height instead of horizontal length. This parameter transformation allows the display to accommodate variable motion data lengths without proportionally increasing display width, as the time dimension is now represented vertically within each bar object rather than horizontally across the entire display.
Data Source
AI summary
A motion analysis device, a motion analysis method and a computer-readable recording medium in which browsability is not likely to decrease even when motion data becomes longer are provided. A 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 of an elemental motion and an execution time of the elemental motion from a start to an end thereof, and a display control part that performs control to display objects indicating types and execution times of a plurality of elemental motions on a display part side by side in a time-series order of the time-series data, wherein the objects have a constant width in a direction in which the objects are lined up in a time-series order and indicate the execution times according to heights.