International Journal of Industrial Ergonomics最新文献_第5页

Adaptive learning with human factors and Artificial Intelligence: associations with training effectiveness in programming education 具有人为因素和人工智能的自适应学习：与编程教育培训有效性的关联

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103834

Kuo-Yi Lin , Meng-Hua Li , Fang-ying Lo , Hsiao-Chun Huang , Kotomichi Matsuno , Ruriko Watanabe

This study develops and validates a human-centered adaptive learning system that integrates Human Factors Engineering (HFE) and Artificial Intelligence (AI) to support programming education. The system adjusts learning strategies based on learners' behavioral indicators and self-reported psychological states, including motivation, interest, and confidence. Grounded in adaptive learning theory, the study proposes and tests hypotheses regarding the associations and interaction effects of these factors on learning effectiveness. A single-group pre/post empirical design with 100 participants was employed, incorporating exploratory factor analysis, regression modeling, and user satisfaction surveys. Results indicate that both motivation and interest are significantly associated with improved learning outcomes, and their interaction demonstrates a synergistic effect. The system's modular architecture—comprising behavioral data collection, learner modeling, strategy generation, and feedback—was positively evaluated for usability and engagement. While the findings confirm theoretical associations within the adaptive environment, causal claims and comparative effectiveness against non-adaptive systems require future controlled studies. By combining ergonomic interface design with AI-driven adaptivity, this research contributes to educational ergonomics and adaptive learning literature, offering a replicable framework and practical insights for designing intelligent, user-aligned instructional systems.

本研究开发并验证了一个以人为中心的自适应学习系统，该系统集成了人因工程（HFE）和人工智能（AI），以支持编程教育。该系统根据学习者的行为指标和自我报告的心理状态（包括动机、兴趣和信心）调整学习策略。本研究以适应性学习理论为基础，提出并检验了这些因素对学习效果的关联和相互作用的假设。采用100人的单组前/后实证设计，结合探索性因素分析、回归模型和用户满意度调查。结果表明，动机和兴趣都与学习成绩的提高有显著的关系，它们的相互作用显示出协同效应。该系统的模块化架构——包括行为数据收集、学习者建模、策略生成和反馈——在可用性和参与度方面得到了积极的评价。虽然研究结果证实了适应性环境中的理论联系，但因果关系的主张和与非适应性系统的比较有效性需要未来的对照研究。通过将人机工程学界面设计与人工智能驱动的适应性相结合，本研究为教育人机工程学和适应性学习文献做出了贡献，为设计智能、用户导向的教学系统提供了可复制的框架和实用见解。

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引用次数: 0

Influence of individual flexibility on the effectiveness of a passive back-support exosuit in reducing erector spinae muscle activity: An exploratory study 个体柔韧性对被动式背支撑外服减少竖脊肌活动有效性的影响：一项探索性研究

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103843

Sang Hyeon Kang

This study explores the effects of individual flexibility, trunk asymmetry angle, and trunk flexion angle on the effectiveness of a passive back-support exosuit in reducing erector spinae muscle activity. Sixteen participants were divided equally into low-flexible and high-flexible groups based on their maximum trunk flexion range of motion as measured by a sit-and-reach test. The participants maintained static trunk flexion postures, including asymmetry (0°, 30°) and trunk flexion (20°, 40°, 60°), with and without an exosuit. Erector spinae muscle activity was recorded on the contralateral (left) and ipsilateral (right) sides for 3 s. The dependent variable was the reduction in normalized electromyography of the activity of these muscles with the use of the exosuit. The results revealed that the high-flexible group exhibited a smaller reduction in contralateral erector spinae activity with exosuit use at 60° of trunk flexion (Δ0.6; 11.3 %MVC to 10.7 %MVC decrease) compared to the low-flexible group (Δ3.8; 14.8 %MVC to 11.0 %MVC decrease). On the ipsilateral side, the high-flexible group had a smaller reduction in erector spinae activity (Δ1.6; 9.4 %MVC to 7.8 %MVC decrease) than the low-flexible group (Δ2.8; 10.6 %MVC to 7.8 %MVC decrease), regardless of trunk flexion and asymmetry angles. These results suggest that individuals with high flexibility may not benefit from low back muscle activation when using exoskeletons/suits in deeper trunk flexion.

本研究探讨了个体柔韧性、躯干不对称角度和躯干屈曲角度对被动背部支撑外服减少竖肌脊柱肌肉活动的效果的影响。16名参与者被平均分为低柔韧性组和高柔韧性组，这是根据他们的躯干最大屈曲幅度进行的。参与者保持躯干静态弯曲姿势，包括不对称（0°，30°）和躯干弯曲（20°，40°，60°），有和没有外套。记录对侧（左）和同侧（右）竖脊肌活动3 s。因变量是使用外伤服后这些肌肉活动的规范化肌电图的减少。结果显示，与低柔韧性组（Δ3.8； 14.8% MVC到11.0% MVC减少）相比，高柔韧性组在躯干屈曲60°时使用外骨骼时对侧竖肌脊柱活动的减少幅度较小（Δ0.6； 11.3% MVC减少到10.7% MVC减少）。在同侧，无论躯干屈曲和不对称角度如何，高柔韧性组的竖肌脊柱活动减少幅度较小（Δ1.6； 9.4% MVC减少到7.8% MVC减少），而低柔韧性组（Δ2.8； 10.6% MVC减少到7.8% MVC减少）。这些结果表明，当使用外骨骼/套装进行较深的躯干弯曲时，灵活性高的个体可能不会从腰背肌肉激活中受益。

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引用次数: 0

Innovative dynamic function allocation: Enhancing UAV supervisory control performance by integrating operator fatigue and flight hazard mitigation 创新动态功能分配：结合操作人员疲劳和飞行危险降低，提高无人机监控性能

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103848

Yueqi An, Jianwei Niu

In the realm of supervisory control for unmanned aerial vehicles (UAVs), the complexity of scenario-based tasks poses escalating cognitive demands on operators and the comprehension capabilities of machines. Dynamic function allocation (DFA) emerges as a pivotal strategy to adjust the roles of humans and machines dynamically, thereby maintaining a balanced operator workload. Despite its significance, research on DFA that accounts for operator fatigue and flight hazards, and its consequential impact on UAV supervisory control performance, remains scarce. This study introduces an innovative DFA model, underpinned by fuzzy logic theory, to address this gap. We engaged 30 participants in a UAV trajectory planning task facilitated by AirSim software, to explore the impact of DFA against two static function allocation (SFA) methods—low and high levels of automation (LOA)—on both objective performance metrics and subjective perception metrics. Employing the TOPSIS method, we assessed the efficacy of these allocation methods comprehensively. Our findings indicate that DFA, in comparison to low LOA, significantly alleviates operator workload, abbreviates task duration, and mitigates both the average hazard and its fluctuations. Conversely, when juxtaposed with high LOA, DFA enhances operator situational awareness, bolsters trust in the system, and diminishes hazard peaks. Notably, our evaluation results underscore DFA as the superior method.

在无人机监控领域，基于场景任务的复杂性对操作人员的认知能力和机器的理解能力提出了越来越高的要求。动态功能分配（DFA）是一种动态调整人和机器角色的关键策略，从而保持操作员工作负载的平衡。尽管具有重要意义，但考虑操作人员疲劳和飞行危险的DFA及其对无人机监视控制性能的影响的研究仍然很少。本研究引入一种创新的DFA模型，以模糊逻辑理论为基础，以解决这一差距。我们让30名参与者参与了由AirSim软件促进的无人机轨迹规划任务，以探索DFA对两种静态功能分配（SFA）方法（低自动化水平和高自动化水平（LOA））在客观性能指标和主观感知指标上的影响。采用TOPSIS法综合评价了这些分配方法的有效性。我们的研究结果表明，与低LOA相比，DFA显著减轻了操作人员的工作量，缩短了任务持续时间，并减轻了平均风险及其波动。相反，当与高LOA并列时，DFA增强了操作员的态势感知，增强了对系统的信任，并减少了危险峰值。值得注意的是，我们的评价结果强调了DFA是一种优越的方法。

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引用次数: 0

Immersion in shooting simulations following real-world combat experience 沉浸在射击模拟以下真实世界的战斗经验

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103846

Adam T. Biggs , Ben Ives , Sara Hickmann , Dale Turori , Karen R. Kelly

Immersion is an important topic for virtual and augmented reality, yet some scenarios introduce unique obstacles to creating an immersive experience. Shooting simulations are especially challenging given that some threat factors cannot be replicated during use-of-force simulations. The current study addressed immersion during shooting simulations with a critical focus on combat experience. Specifically, combat veterans may not take simulators seriously, thereby limiting immersion, or prior exposure may enhance immersion as participants have experienced threat elements that simulators cannot fully replicate. All participants had the same advanced military combat training to provide a comparable skills baseline. To measure immersion while limiting self-report bias, a behavioral scientist independently observed and reported behaviors indicative of behavioral immersion. Participants completed Cognitive Marksmanship Assessments with a 180-degree display capable of providing numerous shooting simulations. Participants exhibited high immersion in shooting simulations after military training. Combat deployment experience increased immersion relative to individuals without combat experience, and immersion also significantly predicted shooting performance in simulation. Although adaptability dominated the performance domain, multiple behavioral indicators suggested deep immersion in shooting simulations. The increase among combat veterans could be attributed to experience allowing their minds to fill in missing pieces that simulators could not replicate; however, this possibility requires further experimentation. These combined results support shooting simulators as a viable training platform even among military, law enforcement, and security veterans with real-world lethal force experience—if anything, prior experience could make scenarios feel more realistic.

沉浸感是虚拟现实和增强现实的一个重要主题，但有些场景会给创造沉浸式体验带来独特的障碍。考虑到在使用武力模拟过程中无法复制某些威胁因素，射击模拟尤其具有挑战性。目前的研究主要针对射击模拟中的沉浸感，重点关注战斗体验。具体来说，战斗老兵可能不会认真对待模拟器，从而限制了沉浸感，或者之前的接触可能会增强沉浸感，因为参与者经历了模拟器无法完全复制的威胁元素。所有参与者都接受了相同的高级军事战斗训练，以提供可比的技能基线。为了在限制自我报告偏差的同时测量沉浸感，一位行为科学家独立观察并报告了表明行为沉浸的行为。参与者完成了认知枪法评估，有一个180度的显示器，能够提供大量的射击模拟。参与者在军事训练后对射击模拟表现出高度的沉浸感。相对于没有战斗经验的个体，战斗部署经验增加了沉浸感，沉浸感对模拟射击表现也有显著的预测作用。虽然适应性在表现领域占主导地位，但多种行为指标表明射击模拟具有深度沉浸感。战斗老兵的增加可以归因于经验让他们的大脑填补了模拟器无法复制的缺失部分；然而，这种可能性需要进一步的实验。这些综合结果支持射击模拟器作为一种可行的训练平台，即使在具有真实世界致命武力经验的军事、执法和安全退伍军人中也是如此——如果有的话，先前的经验可以使场景感觉更真实。

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引用次数: 0

XR-based visual enhancing cues for human spatial navigation: A systematic literature review 基于xr的视觉增强线索用于人类空间导航：系统的文献综述

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103835

Xiaozhou Zhou , Yuxin Zhang , Hongqiang Yu , Qianrui Du , Xiaoqun Yu

The growing complexity of modern spatial environments poses significant challenges to effective navigation. The advent of extended reality (XR) technology, including virtual reality (VR) and augmented reality (AR), has broadened the range of spatial navigation cues available. Artificial visual enhancing cues (VECs) are defined as additional digital visual elements designed to improve spatial cognition and navigation performance. They supplement the three traditional natural sensory inputs of environmental visual, vestibular, and proprioceptive cues, constituting the fourth cue resource for spatial cognition. Nevertheless, a comprehensive review specifically dedicated to XR-based VECs that are separated from real-world cues is currently lacking in the literature. This work systematically reviewed the literature from 2014–2025 on XR-based VECs and summarised information on technologies, spatial scenarios, research aims, forms and functions, cohort demographics, objective performance and subjective response measures. The findings demonstrate that XR-based VECs are effective tools for enhancing navigation in complex environments by improving spatial information legibility and offering navigation strategies for both global and immediate navigational behaviors. This synthesis clarifies critical knowledge gaps for researchers and guides practitioners in designing effective navigation aids, addressing key challenges in real-world navigation and accessibility. Nevertheless, research on XR-based VECs remains in its initial stage. To advance the field, future research should focus on interactive and adaptive AR-based VECs, spatial cognitive remodelling mechanisms involving VECs, and XR-based VECs tailored for navigation disabilities.

现代空间环境日益复杂，对有效导航提出了重大挑战。扩展现实（XR）技术的出现，包括虚拟现实（VR）和增强现实（AR），扩大了可用空间导航线索的范围。人工视觉增强提示（VECs）被定义为额外的数字视觉元素，旨在提高空间认知和导航性能。它们补充了环境视觉、前庭和本体感觉三种传统的自然感官输入，构成了空间认知的第四个线索资源。然而，目前文献中缺乏专门针对与现实世界线索分离的基于xr的VECs的全面综述。本文系统回顾了2014-2025年基于xr的VECs的文献，总结了技术、空间场景、研究目标、形式和功能、队列人口统计、客观表现和主观反应措施等方面的信息。研究结果表明，基于xr的VECs通过提高空间信息的易读性和为全局和即时导航行为提供导航策略，是在复杂环境中增强导航的有效工具。这种综合澄清了研究人员和指导从业者在设计有效的导航辅助设备方面的关键知识差距，解决了现实世界导航和可访问性中的关键挑战。然而，基于xr的VECs研究仍处于起步阶段。为了推进该领域的发展，未来的研究应集中在基于交互式和自适应ar的VECs，涉及VECs的空间认知重塑机制，以及针对导航障碍的基于xr的VECs。

{"title":"XR-based visual enhancing cues for human spatial navigation: A systematic literature review","authors":"Xiaozhou Zhou , Yuxin Zhang , Hongqiang Yu , Qianrui Du , Xiaoqun Yu","doi":"10.1016/j.ergon.2025.103835","DOIUrl":"10.1016/j.ergon.2025.103835","url":null,"abstract":"<div><div>The growing complexity of modern spatial environments poses significant challenges to effective navigation. The advent of extended reality (XR) technology, including virtual reality (VR) and augmented reality (AR), has broadened the range of spatial navigation cues available. Artificial visual enhancing cues (VECs) are defined as additional digital visual elements designed to improve spatial cognition and navigation performance. They supplement the three traditional natural sensory inputs of environmental visual, vestibular, and proprioceptive cues, constituting the fourth cue resource for spatial cognition. Nevertheless, a comprehensive review specifically dedicated to XR-based VECs that are separated from real-world cues is currently lacking in the literature. This work systematically reviewed the literature from 2014–2025 on XR-based VECs and summarised information on technologies, spatial scenarios, research aims, forms and functions, cohort demographics, objective performance and subjective response measures. The findings demonstrate that XR-based VECs are effective tools for enhancing navigation in complex environments by improving spatial information legibility and offering navigation strategies for both global and immediate navigational behaviors. This synthesis clarifies critical knowledge gaps for researchers and guides practitioners in designing effective navigation aids, addressing key challenges in real-world navigation and accessibility. Nevertheless, research on XR-based VECs remains in its initial stage. To advance the field, future research should focus on interactive and adaptive AR-based VECs, spatial cognitive remodelling mechanisms involving VECs, and XR-based VECs tailored for navigation disabilities.</div></div>","PeriodicalId":50317,"journal":{"name":"International Journal of Industrial Ergonomics","volume":"110 ","pages":"Article 103835"},"PeriodicalIF":3.0,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145519704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

3D female breast measurement for ergonomic fashion design: A state-of-the-art review 3D女性乳房测量符合人体工程学的时装设计：最先进的审查

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103840

Xingzhi Shi , Hang Ren , Jie Zhang , Yadie Yang

The three-dimensional (3D) measurement of the female breast plays a vital role in female fashion design, enabling the creation of garments that offer excellent fit, comfort, and aesthetics. This paper presents a state-of-the-art review of 3D female breast measurement technologies, with a focus on their applications in fashion design. It examines key components of the measurement pipeline, including data capture via 3D surface imaging and medical imaging, feature extraction through landmarking and segmentation, and the generation of precise 1D and 2D measurements, 3D volume and shape data. Furthermore, the paper explores the use of these measurements in designing ergonomic fashion products such as bras, upper garments, and breast prostheses as well as the usages in customization, sizing, and virtual fitting. Despite advances in breast measurement technologies, challenges remain in enhancing accuracy and practical applications for fashion-related purposes. This review provides a comprehensive analysis of current methodologies, compares various approaches, and highlights areas where further research is needed to improve accuracy and broaden the practical use of 3D breast measurement in fashion design. These works offer a foundation for researchers to build upon existing knowledge, fostering future innovations in both measurement techniques and their applications.

女性乳房的三维（3D）测量在女性服装设计中起着至关重要的作用，可以创造出非常合身，舒适和美观的服装。本文介绍了三维女性乳房测量技术的最新进展，重点介绍了它们在服装设计中的应用。它检查了测量管道的关键组成部分，包括通过3D表面成像和医学成像捕获数据，通过地标和分割提取特征，以及生成精确的1D和2D测量，3D体积和形状数据。此外，本文还探讨了这些测量在设计符合人体工程学的时尚产品（如胸罩、内衣和乳房假体）以及在定制、尺寸调整和虚拟试装中的应用。尽管乳房测量技术取得了进步，但在提高准确性和时尚相关目的的实际应用方面仍然存在挑战。这篇综述提供了对当前方法的全面分析，比较了各种方法，并强调了需要进一步研究的领域，以提高准确性和扩大3D乳房测量在时装设计中的实际应用。这些工作为研究人员提供了建立在现有知识基础上的基础，促进了测量技术及其应用的未来创新。

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引用次数: 0

Ergonomics and safety in human–collaborative robot interaction: A review of literature for manufacturing industries 人机协作机器人交互中的人机工程学与安全：制造业文献综述

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103837

Muhammad Ragil Suryoputro , Tieling Zhang , Senevi Kiridena

Ergonomics and safety play a crucial role in the development of human-robot collaboration (HRC) systems in the context of Industry 5.0. However, implementing ergonomics and safety measures in manufacturing industries remains challenging due to the absence of standardized guidelines, the diversity of collaborative robot system sectors, and the overlap between ergonomics and safety considerations. Given the critical nature of ergonomics and safety in HRC, there is a compelling opportunity to reduce implementation costs and improve collaboration effectiveness. To explore this, a review of relevant literature is conducted, focusing on human-collaborative robot interaction systems from the perspectives of ergonomics and safety, along with the associated challenges and potential directions for future research. This review highlights key findings from existing research, underscoring the importance of ergonomic and safety practices in HRC, and sheds light on critical research areas such as human-centered system design, the determination of collaborative operation modes, and managerial evaluation strategies. Despite notable advancements, significant challenges persist in integrating human-robot collaboration systems within manufacturing industries. This review recommends that future research should focus on accident modeling and system dynamics simulation to enhance the effectiveness of these systems further.

在工业5.0的背景下，人体工程学和安全性在人机协作（HRC）系统的发展中起着至关重要的作用。然而，由于缺乏标准化的指导方针，协作机器人系统部门的多样性，以及人体工程学和安全考虑之间的重叠，在制造业中实施人体工程学和安全措施仍然具有挑战性。鉴于HRC中人体工程学和安全性的关键性质，有一个引人注目的机会来降低实施成本并提高协作效率。为此，本文对相关文献进行了综述，重点从人体工程学和安全性的角度对人机协作机器人交互系统进行了研究，并提出了相关的挑战和未来研究的潜在方向。本文综述了现有研究的主要发现，强调了人机工程学和安全实践在HRC中的重要性，并阐明了以人为本的系统设计、协作操作模式的确定和管理评估策略等关键研究领域。尽管取得了显著的进步，但在制造业中集成人机协作系统方面仍然存在重大挑战。本文建议未来的研究重点应放在事故建模和系统动力学仿真上，以进一步提高这些系统的有效性。

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引用次数: 0

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103839

Jingwen Chen , Wu Song

In urban transportation settings, public transport signs act as common visual cues. Considering that color plays a critical role in sign detection and identification, it is necessary for researchers to gain a comprehensive understanding of color perception of signs. Existing research often depends on questionnaires and behavioral observation, lacking concrete evidence on cognitive processes. We employed Event-Related Potentials (ERPs) to determine the effect of diverse color public transport signs on passengers' attentional processing and emotional arousal, focusing on neural activity from varying brightness conditions. Findings indicated significant differences in P2 amplitude, showing perceptual responses to Sign colors in initial visual processing stages. Differences in LPP amplitude significantly influenced fine-grained processing in later stages of color perception. These ERPs differences provide valuable insight into subjects' attentional processing and emotional arousal. The presence of ERPs amplitudes in corresponding brain regions evidences the neural activity behind these responses. These insights reveal the actual effects of color brightness and help guide public transport providers to improve signage in promoting better passenger travel habits, and offer a solid measurement basis and reference for designing and displaying sign colors in practical applications.

在城市交通环境中，公共交通标志作为常见的视觉线索。考虑到颜色在符号检测和识别中起着至关重要的作用，研究人员有必要对符号的颜色感知有一个全面的认识。现有的研究往往依赖于问卷调查和行为观察，缺乏关于认知过程的具体证据。本研究利用事件相关电位（event -相关电位，ERPs）研究了不同颜色公交标志对乘客注意加工和情绪唤醒的影响，重点研究了不同亮度条件下的神经活动。结果表明，P2振幅存在显著差异，表明在视觉加工的初始阶段对符号颜色有知觉反应。LPP振幅的差异显著影响颜色感知后期的细粒加工。这些erp的差异为研究受试者的注意处理和情绪唤醒提供了有价值的见解。在相应脑区的erp振幅的存在证明了这些反应背后的神经活动。这些见解揭示了色彩亮度的实际效果，有助于指导公共交通供应商改进标识，促进更好的乘客出行习惯，并为实际应用中标识色彩的设计和展示提供坚实的测量依据和参考。

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引用次数: 0

Visual attention and situational awareness during exoskeleton use in construction work 建筑工程中外骨骼使用过程中的视觉注意力和态势感知

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103838

Akinwale Okunola , Abiola Akanmu , Houtan Jebelli , Ashtarout Ammar , Alireza Shojaei , Philip Agee

The use of exoskeletons in construction has the potential to enhance worker ergonomics and reduce musculoskeletal injuries by augmenting physical support during labor-intensive tasks. However, growing evidence suggests that exoskeletons, particularly active back-support exoskeletons (aBSEs), may unintentionally impair cognitive and perceptual performance due to biomechanical mismatches and elevated mental workload. This study investigates the effects of aBSE use on visual attention, situational awareness, and visual cognitive load during a construction-related task. An experimental study was conducted with sixteen participants using eye-tracking, electroencephalography (EEG), and the Situational Awareness Rating Technique (SART) to collect both objective and subjective data from participants performing the task with and without the exoskeleton. The results showed that aBSE use slightly reduces fixation-based metrics and significantly reduces saccade-based metrics across task-related areas of interest among the participants, indicating diminished visual attention. SART scores were notably lower among 60 % of the participants when using the exoskeleton, reflecting reduced situational awareness. Pupillometry and occipital EEG theta activity both significantly increased among the participants, indicating heightened visual cognitive load during aBSE use. These findings suggest that the cognitive demands associated with motor coordination and planning while using aBSEs may deplete attentional resources. This study makes several contributions: it applies and extends Kahneman's Capacity Model to explain how cognitive resource limitations manifest during exoskeleton-assisted work. The findings show that aBSEs can impair visual attention and situational awareness, underscoring the need for user-centered design and targeted training to help workers manage attention and safety risks during initial use.

在建筑中使用外骨骼有可能提高工人的工效学，并通过增加劳动密集型任务中的物理支持来减少肌肉骨骼损伤。然而，越来越多的证据表明，外骨骼，特别是主动背部支撑外骨骼（abse），可能会无意中损害认知和知觉表现，由于生物力学不匹配和精神负荷的增加。本研究探讨了在建构相关任务中使用aBSE对视觉注意、情境意识和视觉认知负荷的影响。一项实验研究对16名参与者进行了眼动追踪、脑电图（EEG）和情境感知评级技术（SART），以收集参与者在佩戴和不佩戴外骨骼时执行任务的客观和主观数据。结果表明，aBSE的使用略微降低了基于注视的指标，并显著降低了参与者在任务相关兴趣区域的基于眼跳的指标，表明视觉注意力下降。使用外骨骼时，60%的参与者的SART得分明显较低，反映出他们的态势感知能力下降。瞳孔测量和枕部脑电图θ活动在参与者中均显著增加，表明在使用aBSE期间视觉认知负荷增加。这些发现表明，在使用abse时，与运动协调和计划相关的认知需求可能会消耗注意力资源。这项研究有几个贡献：它应用并扩展了卡尼曼的能力模型，以解释在外骨骼辅助工作中认知资源的限制是如何显现的。研究结果表明，abse会损害视觉注意力和态势感知，强调需要以用户为中心的设计和有针对性的培训，以帮助工人在初始使用过程中管理注意力和安全风险。

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引用次数: 0

Non-visual effects of correlated color temperature and time-of-day on cognitive workload and autonomic regulation in confined spaces 封闭空间中相关色温和时间对认知负荷和自主调节的非视觉影响

IF 3 2区工程技术 Q2 ENGINEERING, INDUSTRIAL

International Journal of Industrial Ergonomics

Pub Date : 2025-11-01 DOI: 10.1016/j.ergon.2025.103829

Chengming Chen , Ruiqi Zeng , Xiaoyi Zhou , Fang Wang , Han Wang , Biao Lu , Yandan Lin

Artificial lighting is essential in confined environments where natural daylight is absent, serving as both the primary visual source and a key modulator of non-visual processes related to circadian regulation. This study investigated the combined effects of correlated color temperature (CCT) and time-of-day on cognitive workload and autonomic responses in a daylight-free confined cabin. Fifteen healthy young adults (10 males, 5 females; aged 18–27 years; BMI 18.5–25.4 kg/m

^{2}

) were exposed to three CCT conditions (across three time periods 09:00–12:00, 14:00–17:00, 19:00–22:00). During each session, participants performed N-back tasks while electroencephalography (EEG), heart rate variability (HRV), behavioral outcomes, and subjective ratings (KSS, SAS, WCS) were collected. Results showed that 6500K lighting was associated with faster response speed, lower anxiety and workload ratings, and increased

β

-wave activity, particularly in the afternoon. Conversely, 2700K lighting was associated with parasympathetic-leaning HRV patterns, supporting relaxation. Time-of-day effects were also observed, with higher sleepiness and altered cortical activation in the afternoon. Because circadian phase biomarkers were not directly measured, we refrain from causal claims of entrainment; instead, the multimodal evidence indicates that CCT and time-of-day jointly modulate cognitive and autonomic responses. These findings provide practical implications for ergonomic and health-supportive lighting design in confined cabins.

在没有自然光的密闭环境中，人工照明是必不可少的，它既是主要的视觉来源，也是与昼夜节律调节相关的非视觉过程的关键调制器。本研究探讨了在无日光密闭舱内，相关色温（CCT）和时间对认知负荷和自主反应的综合影响。15名健康年轻人（10名男性，5名女性，年龄18-27岁，BMI 18.5-25.4 kg/m2）暴露于三种CCT条件下（三个时间段09:00-12:00,14:00-17:00,19:00-22:00）。在每次会议中，参与者执行N-back任务，同时收集脑电图（EEG），心率变异性（HRV），行为结果和主观评分（KSS， SAS， WCS）。结果表明，6500K照明与更快的反应速度、更低的焦虑和工作量评级以及增加的β波活动有关，尤其是在下午。相反，2700K照明与副交感倾向的HRV模式有关，支持放松。一天中的时间效应也被观察到，下午更困，大脑皮层激活改变。由于没有直接测量昼夜节律阶段生物标志物，我们避免了夹带的因果主张；相反，多模态证据表明，CCT和时间共同调节认知和自主反应。这些发现为密闭舱室的人体工程学和健康支持照明设计提供了实际意义。

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