Optimization design of operating state information of molded case circuit breaker based on eye tracking

doi:10.11996/JG.j.2095-302X.2023061259

Abstract

Abstract:

The molded case circuit breaker (MCCB) is an indispensable basic electrical component within industrial power systems. In order to enhance the visual recognition efficiency of the operational status information of MCCB, an improved design method for the open/close symbols of MCCB was proposed. The analysis of the open/close symbol design could lead to the summarization of reasons for the limited visualization of operational status information. By conducting eye-tracking experiments and utilizing evaluation indicators such as first entry time, first fixation duration, total fixation duration, hot spot distribution, fixation progression, and subjective questionnaires, the design issues of the current operational status information of MCCB were comprehensively analyzed. Based on the experimental conclusions, the key points for improving the size and color of the open/close symbols were proposed. The superiority of the improved open/close symbol design was verified through a comparative analysis of eye-tracking experimental data before the improvement. Furthermore, the research on the improvement of open/close symbols could serve as a reference for enhancing the visualization effect of operational status information in similar electrical products. Eye-tracking experiments could also provide key technical support for the analysis and enhancement of operational status information visualization in MCCB.

Key words: molded case circuit breaker, eye-tracking experiment, operational status information, open/close symbols, visualization

CLC Number:

TP391

LI He-sen, CHEN Ying, YAO Da-wei. Optimization design of operating state information of molded case circuit breaker based on eye tracking[J]. Journal of Graphics, 2023, 44(6): 1259-1266.

Figures/Tables 22

References 20

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评估指标	含义及其与实验目标的相关性描述
首次进入时间	注视点首次进入某AOI的时间；时间越短，表明该AOI越易引起被试者关注^[12]
首次注视时长	注视点首次进入某AOI后停留的持续时间；时间越长，表明该AOI对于被试者的吸引力越强^[13]
总注视时长	所有注视点落在某AOI的持续时间总和；时间越长，该AOI所受关注度越高^[14]
主观量表	对断合闸符号视觉效果显著性强弱的主观评分，分值与满意度呈正相关
注视进度	可视化表达被试者对AOI的注视位置、注视时间、注视顺序的进度^[15]
热点分布	可视化表达被试者对AOI的关注度等级^[16-17]，用颜色区分，红、黄、绿分别代表高、中、低3个等级^[18]

评估指标	含义及其与实验目标的相关性描述
首次进入时间	注视点首次进入某AOI的时间；时间越短，表明该AOI越易引起被试者关注^[12]
首次注视时长	注视点首次进入某AOI后停留的持续时间；时间越长，表明该AOI对于被试者的吸引力越强^[13]
总注视时长	所有注视点落在某AOI的持续时间总和；时间越长，该AOI所受关注度越高^[14]
主观量表	对断合闸符号视觉效果显著性强弱的主观评分，分值与满意度呈正相关
注视进度	可视化表达被试者对AOI的注视位置、注视时间、注视顺序的进度^[15]
热点分布	可视化表达被试者对AOI的关注度等级^[16-17]，用颜色区分，红、黄、绿分别代表高、中、低3个等级^[18]

属性	P₁	P₂	P₃	P₄	P₅	P₆
I级	5	4	2	2	3	2
P (%)	29.412	23.529	11.765	11.765	17.647	11.765

属性	P₁	P₂	P₃	P₄	P₅	P₆
I级	5	4	2	2	3	2
P (%)	29.412	23.529	11.765	11.765	17.647	11.765

素材		首次进入时间(s)	首次注视时长(s)	总注视时长(s)	主观评分
P₁	M	2.639	0.203	2.877	3.891
P₁	SD	0.451	0.029	0.501	0.573
P₂	M	2.197	0.206	2.894	3.929
P₂	SD	0.373	0.031	0.492	0.633
P₃	M	2.109	0.137	2.776	3.831
P₃	SD	0.361	0.027	0.451	0.629
P₄	M	2.733	0.134	3.119	3.641
P₄	SD	0.443	0.019	0.491	0.599
P₅	M	2.931	0.171	3.023	3.709
P₅	SD	0.441	0.031	0.511	0.651
P₆	M	2.853	0.167	3.092	3.683
P₆	SD	0.466	0.028	0.524	0.643