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An ergonomic evaluation using a deep learning approach for assessing postural risks in a virtual reality-based smart manufacturing context. 使用深度学习方法评估基于虚拟现实的智能制造环境中的姿势风险，进行人体工程学评估。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-11-01 Epub Date: 2024-05-14 DOI: 10.1080/00140139.2024.2349757
Suman Kalyan Sardar, Seul Chan Lee
{"title":"An ergonomic evaluation using a deep learning approach for assessing postural risks in a virtual reality-based smart manufacturing context.","authors":"Suman Kalyan Sardar, Seul Chan Lee","doi":"10.1080/00140139.2024.2349757","DOIUrl":"10.1080/00140139.2024.2349757","url":null,"abstract":"<p><p>This study proposes an integrated ergonomic evaluation designed to identify unsafe postures, whereby postural risks during industrial work are assessed in the context of virtual reality-based smart manufacturing. Unsafe postures were recognised by identifying the displacements of the centre of mass (COM) of body keypoints using a computer vision-based deep learning (DL) convolutional neural network approach. The risk levels for the identified unsafe postures were calculated using ergonomic risk assessment tools rapid upper limb assessment and rapid whole-body assessment. An analysis of variance was conducted to determine significant differences between the vertical and horizontal directions of postural movements associated with the most unsafe postures. The findings assess the ergonomic risk levels and identify the most unsafe postures during industrial work in smart manufacturing using DL method. The identified postural risks can help industry managers and researchers acquire a better understanding of unsafe postures.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1715-1728"},"PeriodicalIF":2.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140917399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Review and comparison of linear algorithms to quantify muscle fatigue based on sEMG signals. 基于 sEMG 信号量化肌肉疲劳的线性算法回顾与比较。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-11-01 Epub Date: 2024-05-10 DOI: 10.1080/00140139.2024.2349962
Giorgia Coraggio, Mattia Cera, Marco Cirelli, Pier Paolo Valentini
{"title":"Review and comparison of linear algorithms to quantify muscle fatigue based on sEMG signals.","authors":"Giorgia Coraggio, Mattia Cera, Marco Cirelli, Pier Paolo Valentini","doi":"10.1080/00140139.2024.2349962","DOIUrl":"10.1080/00140139.2024.2349962","url":null,"abstract":"<p><p>Surface electromyography techniques are widely used in field of motion analysis and ergonomics combining precise muscular activation assessment with low-invasiveness and wearability. The aim of this investigation is to identify the myoelectrical manifestations of fatigue and to compare the effectiveness of sEMG-based quantitative indices for fatigue assessment. The investigated indexes are the ARV and RMS signal amplitudes, the mean frequency, the median frequency, the Dimitrov index, the instantaneous mean frequency and Wavelet distribution-based <i>WIRE</i>51 index. Two different protocols were developed, and the activity of the lateral deltoid and middle trapezius muscles was recorded. The WIRE51 index is found to have the highest sensitivity in the detection of the difference between the repetitions of each exercise for both protocols. Due to the lack of a unified standard for the performance comparison of fatigue indices, a correlation analysis was carried out between the result provided by the indices and the subjective fatigue perception employing the RPE scale.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1729-1747"},"PeriodicalIF":2.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140909542","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Macroergonomic components of the patient work system shaping dyadic care management during adolescence: a case study of type 1 diabetes. 患者工作系统的宏观人体工程学因素影响青少年时期的双人护理管理：1 型糖尿病案例研究。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-11-01 Epub Date: 2024-05-07 DOI: 10.1080/00140139.2024.2343942
Rupa S Valdez, Sophie E Lyon, John P Corbett, Claire Wellbeloved-Stone, Saadiq Hasan, Lauren Taylor, Mark D DeBoer, Daniel Cherñavvsky, Stephen D Patek
{"title":"Macroergonomic components of the patient work system shaping dyadic care management during adolescence: a case study of type 1 diabetes.","authors":"Rupa S Valdez, Sophie E Lyon, John P Corbett, Claire Wellbeloved-Stone, Saadiq Hasan, Lauren Taylor, Mark D DeBoer, Daniel Cherñavvsky, Stephen D Patek","doi":"10.1080/00140139.2024.2343942","DOIUrl":"10.1080/00140139.2024.2343942","url":null,"abstract":"<p><p>The role of the social, physical, and organisational environments in shaping how patients and their caregivers perform work remains largely unexplored in human factors/ergonomics literature. This study recruited 19 dyads consisting of a parent and their child with type 1 diabetes to be interviewed individually and analysed using a macroergonomic framework. Our findings aligned with the macroergonomic factors as presented in previous models, while highlighting the need to expand upon certain components to gain a more comprehensive representation of the patient work system as relevant to dyadic management. Examples of design efforts that should follow from these findings include expanding existing data sharing options to include information from the external environment and capitalising on the capabilities of artificial intelligence as a decision support system. Future research should focus on longitudinally assessing patient work systems throughout transition periods in addition to more explicitly exploring the roles of social network members.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1575-1595"},"PeriodicalIF":2.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11540978/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140861285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
How to catch prospective use? A comparative study of virtual environment movie and guided imaginary for projecting future users in a public space. 如何把握未来的使用情况？虚拟环境电影和引导想象在预测公共空间未来使用者方面的比较研究。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-24 DOI: 10.1080/00140139.2024.2418946
Elodie Maniga, Sonia Adelé, Béatrice Cahour
{"title":"How to catch prospective use? A comparative study of virtual environment movie and guided imaginary for projecting future users in a public space.","authors":"Elodie Maniga, Sonia Adelé, Béatrice Cahour","doi":"10.1080/00140139.2024.2418946","DOIUrl":"https://doi.org/10.1080/00140139.2024.2418946","url":null,"abstract":"<p><p>Focusing on the design of a public space, we propose a methodological contribution to integrate possible future users to studies in prospective ergonomics. Our objective is to establish a rigorous protocol for comparing two methods of projecting potential usage. First, a projection interview based on a virtual environment movie and second, a Guided Imaginary Projection interview. We sought to determine to what extent these two methods provide participants with the ability to live a 'quasi-experience' of the space. This 'quasi-experience' is measured by a questionnaire inspired by the concepts of presence and absorption and by the analysis of the embodiment level of the discourse produced during the interviews, from embodied to general discourse. The results show that while the two methods produce similar results in terms of the level of projection experience, the virtual environment movie projection produces significantly more general discourse.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-14"},"PeriodicalIF":2.0,"publicationDate":"2024-10-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Ergonomics & Human factors: fade of a discipline. 人体工程学与人为因素：一门学科的萌芽。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-23 DOI: 10.1080/00140139.2024.2416553
J C F de Winter, Y B Eisma
{"title":"Ergonomics & Human factors: fade of a discipline.","authors":"J C F de Winter, Y B Eisma","doi":"10.1080/00140139.2024.2416553","DOIUrl":"10.1080/00140139.2024.2416553","url":null,"abstract":"<p><p>In this commentary, we argue that the field of Ergonomics and Human Factors (EHF) has the tendency to present itself as a thriving and impactful science, while in reality, it is losing credibility. We assert that EHF science (1) has introduced terminology that is internally inconsistent and hardly predictive-valid, (2) has virtually no impact on industrial practice, which operates within frameworks of regulatory compliance and profit generation, (3) repeatedly employs the same approach of conducting lab experiments within unrealistic paradigms in order to complete deliverables, (4) suggests it is a cumulative science, but is neither a leader nor even an adopter of open-science initiatives that are characteristic of scientific progress and (5) is being assimilated by other disciplines as well as Big Tech. Recommendations are provided to reverse this trend, although we also express a certain resignation as our scientific discipline loses significance.<b>Practitioner Summary:</b> This paper offers criticism of the field of Ergonomics. There are issues such as unclear terminology, unrealistic experiments, insufficient impact and lack of open data. We provide recommendations to reverse the trend. This article concerns a critique of EHF as a science, and is not a critique of EHF practitioners.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-9"},"PeriodicalIF":2.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Gesture centric interaction: evaluating hand and head gestures in touchless cursor control. 以手势为中心的交互：评估非接触式光标控制中的手势和头势。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-23 DOI: 10.1080/00140139.2024.2411302
B Thushara, V Adithya, N S Sreekanth
{"title":"Gesture centric interaction: evaluating hand and head gestures in touchless cursor control.","authors":"B Thushara, V Adithya, N S Sreekanth","doi":"10.1080/00140139.2024.2411302","DOIUrl":"https://doi.org/10.1080/00140139.2024.2411302","url":null,"abstract":"<p><p>Touchless interfaces have gained considerable importance in the modern era, particularly due to their user-friendly and hygienic nature of interaction. This article presents the designing of two touchless cursor control systems based on hand gestures and head movements utilising the MediaPipe framework to extract the key landmarks of the hand and face utilising a laptop camera. The index finger's landmark points are tracked and converted to corresponding screen coordinates for cursor control. Similarly, yaw and pitch angles of head movements are computed in the head movement-based cursor design. A comprehensive performance evaluation of the two proposed systems based on a two-dimensional (2D) Fitts' law experiment revealed superior performance for the hand gesture-controlled cursor compared to the head movement-controlled cursor with throughputs of 0.59 bps and 0.53 bps respectively. Participants also favoured hand gesture-based cursor control over head movement-based cursor control in terms of overall experience and task difficulty.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-21"},"PeriodicalIF":2.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Development and evaluation of a novel self-contained breathing apparatus pack to reduce musculoskeletal loads and enhance firefighter comfort. 开发和评估新型自给式呼吸器背包，以减轻肌肉骨骼负荷并提高消防员的舒适度。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-23 DOI: 10.1080/00140139.2024.2418318
Bing Xie, Junxia Zhang
{"title":"Development and evaluation of a novel self-contained breathing apparatus pack to reduce musculoskeletal loads and enhance firefighter comfort.","authors":"Bing Xie, Junxia Zhang","doi":"10.1080/00140139.2024.2418318","DOIUrl":"https://doi.org/10.1080/00140139.2024.2418318","url":null,"abstract":"<p><p>Self‑Contained Breathing Apparatus (SCBA) is an essential piece of personal protective equipment for firefighters, providing essential respiratory support and protection. A major challenge in SCBA research is to reduce musculoskeletal disorders and enhance firefighter comfort while carrying the SCBA. In this study, a novel SCBA pack was designed to reduce SCBA‑related musculoskeletal stress. Ten volunteer firefighters were recruited to participate in the test protocol equipped with a novel SCBA (SCBANovel) and a traditional SCBA (SCBATrad) pack. Surface electromyography and pressure data were collected, and subjective ratings of discomfort using a visual analog scale. The results showed that the SCBANovel significantly reduced trapezius and erector spinae muscle activity. Shoulder and waist pressure were reduced by 19.73%‑32.83% and 18.46%‑41.55%, respectively. In addition, the SCBANovel pack reduced lower back discomfort scores by 59.1%, all compared to the SCBATrad pack. The SCBANovel pack showed a significant reduction in musculoskeletal stress and discomfort in firefighters.Practitioner SummarySCBAs are known to be critical in protecting the health of firefighters, but are often associated with firefighter discomfort and musculoskeletal disorders. We developed the SCBANovel pack and explored the effects on the upper body musculoskeletal system and comfort during walking and running compared to carrying the SCBATrad pack. The SCBANovel pack reduced muscle activity in the trapezius and erector spinae muscles and significantly reduced pressure on the shoulders and lower back.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-14"},"PeriodicalIF":2.0,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
An integrated prototyping tool to enhance interdisciplinary communication in smart product design. 加强智能产品设计跨学科交流的综合原型工具。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-22 DOI: 10.1080/00140139.2024.2418949
Jing Wang, Charlie Ranscombe, Boris Eisenbart
{"title":"An integrated prototyping tool to enhance interdisciplinary communication in smart product design.","authors":"Jing Wang, Charlie Ranscombe, Boris Eisenbart","doi":"10.1080/00140139.2024.2418949","DOIUrl":"https://doi.org/10.1080/00140139.2024.2418949","url":null,"abstract":"<p><p>The increasing integration of smart products into society is noteworthy in the field of Prospective Ergonomics (PE), as they herald the emergence of novel products featuring yet-to-be-discovered interaction modalities. Literature highlights a lack of front-end prototyping approaches that transcend disciplinary skills and aid communication across diverse design fields, highly relevant in early-stage smart product development. This paper introduces an integrated, low-fidelity prototyping tool to enhance interdisciplinary communication and understanding of future products' interactive and environmental qualities. A survey provides preliminary validation of the integrated tool's format and content. Findings endorse the tool's structure and flexibility in supporting understanding and communication of interactive and environmental qualities of smart product concepts across a range of design disciplines. As such we advance the discourse on PE by envisioning a low-fidelity prototyping tool to create intermediary objects supporting design efforts towards future products and their new and emerging interaction modalities.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-19"},"PeriodicalIF":2.0,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Developmental foundations of Activity-Centered Ergonomics: knowledge encounters to construct both a critical analysis of work and developmental set-ups. 以活动为中心的人体工程学的发展基础：构建工作和发展设置批判性分析的知识交汇点。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-22 DOI: 10.1080/00140139.2024.2415965
Flore Barcellini, Marianne Cerf, Marianne Lacomblez
{"title":"Developmental foundations of Activity-Centered Ergonomics: knowledge encounters to construct both a critical analysis of work and developmental set-ups.","authors":"Flore Barcellini, Marianne Cerf, Marianne Lacomblez","doi":"10.1080/00140139.2024.2415965","DOIUrl":"10.1080/00140139.2024.2415965","url":null,"abstract":"<p><p>This paper presents the developmental foundation of Activity-Centered Ergonomics (ACE) that has been shaped by both: (1) a critique of conceptions of work and of its organisation in relation to economic and political models of development, and (2) developmental approaches to understand and to act on activity and work situations at different levels (individual, collective, organisational, and territorial). To do so, we examine some key reference works for ACE over 75 years with regards to these two dimensions and the methods and developmental set ups proposed. We argue that ACE analytical and transformative goals give a considerable space to knowledge encounters and workers' activity. We conclude by briefly discussing some of the current ACE works seeking to expand research-action over time and level of action (geographical area and public policies), in order to address key societal issues, including sustainable work and development.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-19"},"PeriodicalIF":2.0,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142479720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Detecting event-related driving anger with facial features captured by smartphones. 利用智能手机捕捉到的面部特征检测与事件相关的驾驶愤怒。
IF 2 3区 工程技术
Ergonomics Pub Date : 2024-10-22 DOI: 10.1080/00140139.2024.2418303
Yi Wang, Xin Zhou, Yang Yang, Wei Zhang
{"title":"Detecting event-related driving anger with facial features captured by smartphones.","authors":"Yi Wang, Xin Zhou, Yang Yang, Wei Zhang","doi":"10.1080/00140139.2024.2418303","DOIUrl":"https://doi.org/10.1080/00140139.2024.2418303","url":null,"abstract":"<p><p>Driving anger is a serious global issue that poses risks to road safety, thus necessitating the development of effective detection and intervention methods. This study investigated the feasibility of using smartphones to capture facial expressions to detect event-related driving anger. Sixty drivers completed the driving tasks in scenarios with and without multi-stage road events and were induced to angry and neutral states, respectively. Their physiological signals, facial expressions, and subjective data were collected. Four feature combinations and six machine learning algorithms were used to construct driving anger detection models. The model combining facial features and the XGBoost algorithm outperformed models using physiological features or other algorithms, achieving an accuracy of 87.04% and an F1-score of 85.06%. Eyes, mouth, and brows were identified as anger-sensitive facial areas. Additionally, incorporating individual characteristics into models further improved classification performance. This study provides a contactless and highly accessible approach for event-related driving anger detection.<b>Practitioner Summary:</b> This study proposed a cost-effective and contactless approach for event-related and real-time driving anger detection and could potentially provide insights into the design of emotional interactions in intelligent vehicles.</p>","PeriodicalId":50503,"journal":{"name":"Ergonomics","volume":" ","pages":"1-20"},"PeriodicalIF":2.0,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
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