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Health dimensions and quality of work in ecological construction: Investigating with craftswomen through a Community for Expanded Research and Intervention 生态建设中的健康维度和工作质量:通过社区对手工艺妇女进行调查,扩大研究和干预
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-14 DOI: 10.1016/j.ergon.2025.103874
Fabienne Goutille , Alexandre Belle , Dominique Cau-Bareille
This article explores how overall health and quality of work are experienced and co-constructed by craftswomen in ecological construction, through a collaborative ergonomics research conducted within the Community for Expanded Research and Intervention (CERI) framework. Grounded in a developmental and participatory approach, the project involved shared workshops, field immersions, and intermediate objects for dialogue and intervention, such as video recordings, podcasts, and collectively constructed metrology of dust. The findings highlight persistent constraints and opportunities related to living materials, co-activity, occupational exposures, gendered norms, and other structural or systemic determinants embedded in everyday work practices. In response, the craftswomen develop situated strategies of adaptation and low-tech innovation to protect their health, preserving the quality of work, and sustaining a sensitive relationship with materials and matter. Health criteria were co-developed based on lived experience, integrating the bodily, relational, sensory, and ethical dimensions of work. The process also fostered transformative effects on professional practices, self-perceptions, and collective dynamics, eventually contributing to exchanges with other actors across the sector. For ergonomics, this research calls for a rethinking of intervention frameworks by integrating issues of gender, ecology, and social justice into a reflexive, situated, and committed approach to making actual work activity visible and acknowledged in design and decision-making.
本文通过在扩大研究和干预共同体(CERI)框架内进行的协同工效学研究,探讨了生态建设中手工艺妇女如何体验和共同构建整体健康和工作质量。该项目以发展和参与式的方法为基础,包括共享研讨会、现场浸入、对话和干预的中间对象,如录像、播客和集体构建的粉尘计量。研究结果强调了与生活材料、协同活动、职业暴露、性别规范以及日常工作实践中嵌入的其他结构性或系统性决定因素相关的持续限制和机会。作为回应,女工匠制定了适应和低技术创新的战略,以保护她们的健康,保持工作质量,并保持与材料和物质的敏感关系。健康标准是根据生活经验共同制定的,综合了工作的身体、关系、感觉和道德层面。这一过程还对专业实践、自我认知和集体动力产生了变革性影响,最终促进了与整个行业其他参与者的交流。对于人体工程学,本研究呼吁通过将性别、生态和社会正义问题整合到一种反思的、定位的和承诺的方法中,重新思考干预框架,使实际的工作活动在设计和决策中可见和认可。
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引用次数: 0
Laboratory and field evaluation of user-perceived effort, comfort, and acceptance of passive back-support exoskeletons for masons 泥瓦匠用被动背支撑外骨骼的用户感知努力、舒适度和接受度的实验室和现场评价
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-13 DOI: 10.1016/j.ergon.2026.103881
Mohamad Iyad Al-Khiami , Søren Munch Lindhard , Ahmad Said Saad
Work-related musculoskeletal disorders affect over 30 % of construction workers globally, with back injuries particularly prevalent among masons who handle approximately 10,000 kg of masonry units daily. These injuries represent a critical occupational safety challenge, with masonry workers experiencing overexertion rates 33.4 per 10,000 FTEs compared to 21.5 across all industries. While back-support exoskeletons (BSEs) show promise as injury prevention interventions, most safety evaluations occur in laboratories, raising questions about real-world protective effectiveness. This study compared BSE performance between laboratory and field settings to assess ecological validity for occupational safety applications. A multiple case study examined two passive BSEs: HAPO (rigid, spring-based) and BISKO (soft, elastic-based), testing 23 laboratory and 15 field masons performing masonry tasks using psychophysical assessments. HAPO demonstrated superior laboratory performance (median overall score: 1.5) but significant field deterioration (median: 3.0, p < 0.001), with physical effort ratings increasing 200 % (median: 1.0 to 3.0) and movement restriction ratings doubling (median: 1.0 to 3.0). BISKO maintained stable performance across settings (median overall scores: laboratory 2.25, field 1.875, p = 0.217). Worker willingness to continue using HAPO declined sharply from laboratory (median: 1.0) to field (median: 4.0), suggesting potential non-adoption and continued injury risk. Laboratory testing inadequately predicts field safety performance. These findings necessitate field-validated protocols for exoskeleton safety assessment and highlight design importance for sustained injury prevention. Successful implementation requires prioritizing extended-wear comfort and movement flexibility over maximum support to ensure worker acceptance and sustained protective benefit.
与工作相关的肌肉骨骼疾病影响着全球30%以上的建筑工人,背部受伤在每天处理约10,000公斤砌体的泥瓦匠中尤为普遍。这些伤害是一个重要的职业安全挑战,砌筑工人的过度劳累率为33.4 / 10000,而所有行业的这一比例为21.5 / 10000。虽然背托式外骨骼(bse)有望成为预防伤害的干预措施,但大多数安全性评估都是在实验室进行的,这引发了对实际保护效果的质疑。本研究比较了实验室和现场设置之间的疯牛病表现,以评估职业安全应用的生态有效性。一个多案例研究测试了两种被动的bse: HAPO(刚性,基于弹簧)和BISKO(软,基于弹性),测试了23个实验室和15个现场泥瓦匠使用心理物理评估执行砌体任务。HAPO表现出卓越的实验室表现(总分中位数:1.5),但现场表现明显恶化(中位数:3.0,p < 0.001),体力劳动评分增加200%(中位数:1.0至3.0),运动限制评分翻倍(中位数:1.0至3.0)。BISKO在所有设置中保持稳定的表现(总得分中位数:实验室2.25,现场1.875,p = 0.217)。工人继续使用HAPO的意愿从实验室(中位数:1.0)急剧下降到现场(中位数:4.0),这表明潜在的不采用和持续的伤害风险。实验室测试不能充分预测现场安全性能。这些发现需要外骨骼安全评估的现场验证方案,并强调设计对持续伤害预防的重要性。成功的实施需要优先考虑延长磨损的舒适性和运动的灵活性,而不是最大限度的支持,以确保工人的接受和持续的保护效益。
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引用次数: 0
Multimodal attention-guiding takeover alerts in autonomous driving: Comparing visual, auditory, and combined modalities 自动驾驶中的多模式注意引导接管警报:比较视觉、听觉和组合模式
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-10 DOI: 10.1016/j.ergon.2026.103879
Zhanxun Dong , Yahong Li , Zhou Fang , Heyi Xu , Yessy Liana Putri
In the current phase of autonomous driving, drivers are still required to take over the vehicle when the driving environment exceeds the operating design domain of the system or when a failure occurs. This study focuses on the impact of visual-auditory attention-guiding takeover alerts on driver performance and subjective user experience during emergency takeovers. Twenty-eight young participants with advanced driver assistance systems (ADAS) experience were recruited for the experiment. This study involved four combinations of multimodal attention-guiding stimuli, and participants were asked to perform non-driving-related tasks (NDRTs) and takeover tasks in simulated scenarios. Takeover reaction times, eye-tracking data, situational awareness, and subjective evaluations were recorded under four stimulus conditions (Baseline, V-AG, A-AG, and VA-AG). This study found that attention-guiding takeover alerts significantly improved driver performance, situational awareness, comfort, and satisfaction. Multimodal visual-auditory attention-guiding takeover alerts outperformed unimodal alerts in enhancing situational awareness and the overall subjective takeover experience. However, auditory-only attention-guiding alerts were more effective in significantly shortening the time required for drivers to complete the takeover task.
在当前的自动驾驶阶段,当驾驶环境超出系统的运行设计域或发生故障时,仍然需要驾驶员接管车辆。本研究的重点是在紧急接管过程中,视觉-听觉注意力引导接管警报对驾驶员表现和主观用户体验的影响。28名具有先进驾驶辅助系统(ADAS)经验的年轻参与者被招募参加实验。本研究涉及四种多模态注意力引导刺激组合,参与者被要求在模拟场景中执行与驾驶无关的任务(NDRTs)和接管任务。在基线、V-AG、A-AG和VA-AG四种刺激条件下,记录接管反应时间、眼动追踪数据、态势感知和主观评价。本研究发现,注意力引导接管警报显著提高了驾驶员的表现、态势感知、舒适度和满意度。多模态视觉-听觉注意引导接管警报在增强态势感知和整体主观接管体验方面优于单模态警报。然而,只有听觉的注意力引导警报在显著缩短司机完成接管任务所需的时间方面更有效。
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引用次数: 0
Optimal HUD illuminance perception modeling under ambient light and weather variations 环境光和天气变化下的最优HUD照度感知建模
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-09 DOI: 10.1016/j.ergon.2026.103880
Wenyu Wu, Yingfeng Hu, Guangyuan Peng, Yilian Li, Yang Xiang, Junshu Lu, Chengqi Xue, Hao Fan
To address the challenge of dynamically adjusting HUD illuminance in complex driving environments where ambient light, weather, and driving tasks collectively affect HUD readability, this study designed a driving simulator-based controlled experiment. The experiment investigated variations in HUD optimal perceived luminance and eye activity patterns across six operational scenarios. These scenarios were constructed by combining three weather conditions (clear, rainy, foggy) with two driving tasks (straight-line navigation, lane-changing) and were tested under eight ambient illumination levels that cover typical real-world driving environments. Twenty participants were recruited to participate in the experiment. Results revealed that the optimal perceived illuminance of HUDs differed extremely significantly across the three weather conditions: foggy weather required the highest HUD brightness, followed by rainy weather, while clear weather required the lowest. Based on the finding and the experimental parameter settings, a logarithmic model describing the relationship between the optimal perceived illuminance of HUDs and ambient illumination was established. This study's contribution lies in providing references for the interactive design of HUD brightness adjustment under different weather conditions, thereby contributing to the enhancement of driving safety.
在复杂的驾驶环境中,环境光线、天气和驾驶任务共同影响HUD的可读性,为了解决动态调整HUD照度的挑战,本研究设计了一个基于驾驶模拟器的控制实验。实验研究了六种操作场景下HUD最佳感知亮度和眼活动模式的变化。这些场景是通过结合三种天气条件(晴天、雨天、雾天)和两种驾驶任务(直线导航、变道)来构建的,并在八种环境光照水平下进行了测试,涵盖了典型的现实驾驶环境。招募了20名参与者参加实验。结果表明,HUD的最佳感知照度在三种天气条件下差异非常显著:雾天对HUD亮度的要求最高,其次是雨天,而晴朗天气对HUD亮度的要求最低。基于上述发现和实验参数设置,建立了hud最佳感知照度与环境照度之间的对数模型。本研究的贡献在于为不同天气条件下HUD亮度调节的交互设计提供参考,从而有助于提高驾驶安全性。
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引用次数: 0
At a mean load level typical for industrial manual work, muscular strain of the triceps brachii muscle highly depends on the load change ratio - preliminary results of an exploratory study 在工业体力劳动的平均负荷水平下,肱三头肌的肌肉劳损高度依赖于负荷变化率-一项探索性研究的初步结果
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-08 DOI: 10.1016/j.ergon.2025.103853
Florestan Wagenblast, Robert Seibt, David Süß, Tessy Luger, Monika A. Rieger, Benjamin Steinhilber
Promoting mechanical exposure variation through muscular load changes is suggested for preventing musculoskeletal disorders related to industrial manual work. Knowledge about the influence of different muscular load change ratios (LCRs) on muscular strain is still incomplete, especially at load levels realistic in industrial manual work. This exploratory study examines differences in muscular strain responses to five different LCRs.
All measures showed that the lower the LCR, the higher the muscular strain response. This association appears to be non-linear with similar strain responses for higher LCRs.
The study indicates two central aspects. First, LCR level is crucial for a sufficient reduction in muscular strain. Second, the effectiveness of muscular load changes on muscular strain appears to level off above a certain limit. Further research needs to verify these findings using greater and more diverse populations and should determine a physiologically relevant strain reduction induced by mechanical exposure variation.
建议通过肌肉负荷变化促进机械暴露变化,以预防与工业体力劳动相关的肌肉骨骼疾病。关于不同肌肉负荷变化比(lcr)对肌肉应变的影响的知识仍然不完整,特别是在工业体力劳动的实际负荷水平下。本探索性研究考察了五种不同lcr对肌肉应变反应的差异。所有测量结果表明,LCR越低,肌肉应变反应越高。这种关联似乎是非线性的,对于更高的lcr具有类似的应变响应。这项研究指出了两个中心方面。首先,LCR水平对于充分减少肌肉劳损至关重要。其次,肌肉负荷变化对肌肉劳损的影响在一定限度以上趋于平稳。进一步的研究需要使用更多和更多样化的种群来验证这些发现,并应确定机械暴露变化引起的生理相关应变减少。
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引用次数: 0
Exploring the impact of haptic feedback locations and mid-air haptic technology on driver's takeover performance and user experience in automated vehicles 探讨触觉反馈位置和空中触觉技术对自动驾驶汽车驾驶员接管性能和用户体验的影响
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-07 DOI: 10.1016/j.ergon.2026.103878
Ruiheng Lan , Xu Sun , Qingfeng Wang , Bingjian Liu
As automated vehicles (AVs) increasingly allow drivers to engage in non-driving-related tasks (NDRTs), effective takeover request (TOR) systems become critical for safety. This study evaluates how four haptic feedback configurations—two technologies (vibrotactile vs. ultrasonic mid-air haptics, UMH) delivered to two locations (hand vs. face)—shape driver takeover performance and user experience in Level 3 driving. In a simulator study with 32 participants, vibrotactile cues consistently produced faster reaction and takeover times than UMH, demonstrating clear advantages for time-critical TORs. Feedback location predominantly influenced subjective experience: hand-based cues were rated as more pleasant, whereas face-based cues offered high perceptual salience but lower comfort. Despite slower responses, UMH was valued for its contactless convenience, though concerns about tracking reliability limited trust. These findings show that haptic configuration—not just modality—critically determines TOR effectiveness, and they provide actionable guidance for designing safer, more intuitive, and user-centered AV HMIs. The results also highlight key technical barriers for UMH that must be addressed to support broader adoption in future AVs.
随着自动驾驶汽车(av)越来越多地允许驾驶员从事与驾驶无关的任务(NDRTs),有效的接管请求(TOR)系统对安全至关重要。本研究评估了四种触觉反馈配置——两种技术(振动触觉和超声波空中触觉,UMH)如何传递到两个位置(手和脸)——形状驾驶员接管性能和3级驾驶的用户体验。在一项有32名参与者的模拟器研究中,振动触觉提示始终比UMH产生更快的反应和接管时间,这表明了时间关键型tor的明显优势。反馈位置主要影响主观体验:基于手的线索被认为更令人愉快,而基于脸的线索提供了较高的感知显著性,但舒适度较低。尽管反应较慢,但UMH因其非接触式便利而受到重视,尽管对跟踪可靠性的担忧限制了信任。这些发现表明,触觉配置——而不仅仅是模式——关键地决定了TOR的有效性,它们为设计更安全、更直观、更以用户为中心的AV hmi提供了可操作的指导。研究结果还强调了UMH必须解决的关键技术障碍,以支持未来自动驾驶汽车的广泛采用。
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引用次数: 0
Virtual-to-physical load transformation: Misplacement rate, perceived difficulty, and movement time of manipulating a virtual and three real bars of varying masses 虚拟到物理负载转换:操作一个不同质量的虚拟杆和三个真实杆的错位率、感知难度和移动时间
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-06 DOI: 10.1016/j.ergon.2025.103870
Yu-Hui Ho , Kai Way Li , Cheng-Chang Lien , Lu Peng
Handling virtual objects is a fundamental component of interacting with augmented reality (AR) systems. However, user experiences with virtual objects often differ notably from those with physical ones. This study investigates the effects of object type on task performance and perceived difficulty by comparing the handling of one virtual and three real bars of varying masses. A total of 30 adult participants (15 males and 15 females) were recruited to complete a bar-transfer task, in which they picked up either a virtual or real bar from a starting location and placed it onto a target area. For the virtual condition, participants wore an AR headset that visually rendered the virtual bar within their field of view. Three dependent variables were measured: misplacement rate, movement time (MT), and perceived difficulty (PD). Results showed that bar type had a significant effect on both MT and misplacement rate. Regression analysis further revealed that while both mass and the reality/virtuality of the bar influenced MT, the latter had a more pronounced impact. PD ratings indicated that handling the virtual bar was perceived as more difficult than handling the hardwood or polystyrene bars, but less difficult than handling the cement bar. These findings enhance our understanding of perceived difficulty and movement characteristics in virtual object manipulation, and they can inform the design of more intuitive and user-friendly AR interaction systems, particularly from the perspective of virtual-to-physical load transformation.
处理虚拟对象是与增强现实(AR)系统交互的基本组成部分。然而,使用虚拟对象的用户体验往往与使用实体对象的用户体验大不相同。本研究通过比较一个不同质量的虚拟棒和三个不同质量的真实棒的处理,探讨了对象类型对任务表现和感知难度的影响。总共有30名成年参与者(15名男性和15名女性)被招募来完成一个酒吧转移任务,在这个任务中,他们从一个起始位置拿起一个虚拟的或真实的酒吧,并把它放在目标区域。在虚拟条件下,参与者戴上AR耳机,在他们的视野范围内视觉呈现虚拟酒吧。测量了三个因变量:错位率,运动时间(MT)和感知困难(PD)。结果表明,棒材类型对MT和错位率均有显著影响。回归分析进一步显示,虽然质量和酒吧的真实感/虚拟性都影响MT,但后者的影响更为明显。PD评级表明,处理虚拟酒吧被认为比处理硬木或聚苯乙烯酒吧更难,但比处理水泥酒吧难。这些发现增强了我们对虚拟物体操作的感知难度和运动特征的理解,它们可以为更直观和用户友好的AR交互系统的设计提供信息,特别是从虚拟到物理负载转换的角度。
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引用次数: 0
Taking singularity and social relations into account in prevention: an analysis of social mediation activity and its occupational health issues through the prism of intersectionality 在预防中考虑到独特性和社会关系:从相互关联的角度分析社会调解活动及其职业健康问题
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-06 DOI: 10.1016/j.ergon.2025.103875
Alexis Chambel , Valérie Pueyo
This article analyzes the discrepancies between service activities and the frameworks of thought and action that structure occupational risk prevention. It draws on a conceptual framework focused on social relations, gender and their intersections to provide a better understanding of the specific characteristics of service activities based on these aspects. Its aim is to question the relevance and adequacy of the prevention social apparatus with a view to improving social sustainability.
The research is based on a qualitative methodology rooted in the field of activity-centered ergonomics as carried out in a social mediation organization. It is primarily focused on the production of knowledge concerning work activities and the resulting prevention needs. The data were collected from field analyses, several case studies of violence against social mediation professionals and discussions in a practice-analysis session. The material was then cross-referenced with theoretical prevention frameworks and their implementation by the professionals supporting the organization.
The results show that relational diversity and singularity are central to mediation work, with major consequences for workers’ health and safety. They highlight the importance of social relations and the lack of resources available in the prevention system to understand them.
Ultimately, the article proposes moving beyond the dominant prevention paradigm to improve occupational health. Exploratory in nature, it calls for further research aimed at integrating social relations and operationalizing intersectionality in prevention initiatives. Such an approach is an essential driver for building more inclusive and socially sustainable work environments.
本文分析了服务活动与构建职业风险预防的思想和行动框架之间的差异。它借鉴了一个以社会关系、性别及其相互关系为重点的概念框架,以便更好地了解以这些方面为基础的服务活动的具体特点。其目的是质疑预防社会机构的相关性和充分性,以期改善社会的可持续性。该研究基于定性方法论,植根于以活动为中心的人体工程学领域,并在社会调解组织中进行。它主要侧重于生产有关工作活动和由此产生的预防需要的知识。数据收集自实地分析、针对社会调解专业人员的暴力行为的若干案例研究以及实践分析会议中的讨论。然后将材料与理论预防框架及其由支持该组织的专业人员实施进行交叉参考。结果表明,关系多样性和独特性是调解工作的核心,对工人的健康和安全产生重大影响。它们强调了社会关系的重要性,以及预防系统中缺乏了解社会关系的资源。最后,文章建议超越主流的预防模式,以改善职业健康。它的性质是探索性的,要求进一步的研究,目的是将社会关系整合起来,并将预防倡议的交叉性付诸实施。这种方法是建设更具包容性和社会可持续性的工作环境的重要推动力。
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引用次数: 0
Development and validation of a new observational method for assessing shoulder postural loading and musculoskeletal disorder risks 一种评估肩部姿势负荷和肌肉骨骼疾病风险的新观察方法的开发和验证
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-01 DOI: 10.1016/j.ergon.2025.103866
Dohyung Kee
The types and causes of work-related musculoskeletal disorders (WMSDs) vary by body part, and the shoulder is one of the most vulnerable sites. However, no observational method has been specifically developed to quantify the risk factors associated with shoulder WMSDs. Therefore, this study developed and statistically validated a new observational method, loading on shoulder assessment (LOSA), based on findings from previous studies. The shoulder WMSD risk factors implemented in this method were identified through a survey of the criteria used for evaluating shoulder postural stress, and were classified into a few classes, based on existing observational methods. Validation was conducted using discomfort ratings from 27 experimental postures and data from 53 real-world musculoskeletal disorder (MSD) cases. The developed method evaluates and integrates the effects of various shoulder WMSD risk factors, including shoulder motion, external load, motion repetition, static loading, coupling, working hours, and work experience, into a quantitative LOSA score, which is then categorized into four action levels to indicate the necessity and urgency of intervention. Validation results demonstrated that 1) LOSA score was strongly associated with perceived discomfort for 27 shoulder postures (r = 0.94, p < 0.01), 2) LOSA action category significantly affected work-related MSD classification (p < 0.01), and 3) LOSA category could well predict whether an MSD would be approved as work-related (p < 0.01). LOSA, developed to evaluate risk factors solely for shoulder WMSDs, is expected to assess their impact more accurately compared to existing observational methods, which typically focus on the entire body or arm- and hand-intensive tasks, thereby aiding the identification of shoulder WMSD risk factors in the workplace.
与工作有关的肌肉骨骼疾病(WMSDs)的类型和原因因身体部位而异,肩膀是最脆弱的部位之一。然而,目前还没有专门的观察方法来量化与肩部wmsd相关的风险因素。因此,本研究在以往研究的基础上开发并统计验证了一种新的观察方法——肩负荷评估(LOSA)。该方法实施的肩部WMSD危险因素是通过调查评估肩部姿势压力的标准来确定的,并根据现有的观察方法分为几类。通过27种实验姿势的不适评分和53例真实肌肉骨骼疾病(MSD)病例的数据进行验证。该方法将肩部运动、外部负荷、运动重复、静态负荷、耦合、工作时间和工作经验等各种肩部WMSD危险因素的影响进行评估和整合,形成一个定量的LOSA评分,然后将其分为四个行动水平,以表明干预的必要性和紧迫性。验证结果表明,1)LOSA评分与27种肩部姿势的感知不适有显著相关性(r = 0.94, p < 0.01), 2) LOSA动作类别显著影响与工作相关的MSD分类(p < 0.01), 3) LOSA类别可以很好地预测MSD是否被批准为与工作相关(p < 0.01)。LOSA仅用于评估肩部WMSD的风险因素,与现有的观察方法相比,它有望更准确地评估其影响,而现有的观察方法通常侧重于整个身体或手臂和手密集型任务,从而有助于识别工作场所肩部WMSD的风险因素。
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引用次数: 0
How can human emotion be regulated by scent in intelligent cockpits? Evidence from EEG-based multimodal assessment with AI support 在智能驾驶舱内,人类的情绪是如何通过气味来调节的?来自人工智能支持下基于脑电图的多模态评估的证据
IF 3 2区 工程技术 Q2 ENGINEERING, INDUSTRIAL Pub Date : 2026-01-01 DOI: 10.1016/j.ergon.2025.103876
Xianhui Wu , Zhuoxi Jiang , Zhongjing Xia , Chaojie Fan , Chengxi Li , Ziteng Zhang , Meng Zheng , Yong Peng
Emotion is one of the core psychological attributes of human beings, and maintaining a stable emotional state is a key objective of human factors design, particularly in high cognitive-load driving scenarios. As intelligent cockpits shift from function-centered to human-centered design, emotion perception and response are becoming key directions in human-machine interaction. However, systematic research and practical support for emotion regulation mechanisms remain limited. This study adopted olfactory perception as an entry point to explore the mechanisms and neural basis of scent intervention in alleviating drivers' negative emotions and optimizing driving performance. A multi-modal perspective was employed, integrating neural, behavioral, and subjective data. An emotion regulation experiment with 22 participants assessed the effects of four representative scents. Regulatory efficacy was quantified using repeated-measures ANOVA and the Friedman test. To further evaluate emotional changes, a deep learning based emotion recognition model computed an Emotion Alleviation Index, which was correlated with EEG features via Spearman correlation for cross-dimensional validation. Results showed that scent stimulation significantly modulated theta and alpha oscillations in the frontal region, alleviated negative emotions, and enhanced cognitive and driving performance, improving behaviors such as lane-keeping and throttle control. Furthermore, regulatory efficacy depended on the interaction between pleasantness and arousal. High arousal scents such as citrus and tea enhanced theta-band activity and executive control, while high pleasantness scents such as citrus and lavender increased alpha-band energy and induced positive states. A dual-dimensional pleasantness–arousal regulatory framework strategy was proposed to guide the design of olfaction-based affective human-machine interaction systems.
情绪是人的核心心理属性之一,保持稳定的情绪状态是人因设计的关键目标,特别是在高认知负荷驾驶场景下。随着智能驾驶舱从以功能为中心的设计向以人为中心的设计转变,情感感知和响应成为人机交互的关键方向。然而,对情绪调节机制的系统研究和实践支持仍然有限。本研究以嗅觉感知为切入点,探讨气味干预缓解驾驶员负性情绪、优化驾驶性能的机制和神经基础。采用多模态视角,整合神经、行为和主观数据。一项有22名参与者参与的情绪调节实验评估了四种代表性气味的效果。采用重复测量方差分析和弗里德曼检验对监管有效性进行量化。为了进一步评估情绪变化,基于深度学习的情绪识别模型计算了情绪缓解指数,并通过Spearman相关与EEG特征进行了跨维度验证。结果表明,气味刺激可显著调节额叶区θ和α振荡,缓解负面情绪,提高认知和驾驶性能,改善车道保持和油门控制等行为。此外,调节效能取决于愉悦和觉醒之间的相互作用。高唤醒性的气味,如柑橘和茶,增强了θ波段的活动和执行控制,而高愉悦性的气味,如柑橘和薰衣草,增加了α波段的能量,诱导了积极的状态。为指导基于嗅觉的情感人机交互系统的设计,提出了一种双向愉悦-觉醒调节框架策略。
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International Journal of Industrial Ergonomics
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