Ilyas Masudin, Dian Palupi Restuputri, Fita Amalia, Teguh Oktiarso
This study aims to analyse and determine the effect of Big Data, the Internet of Things (IoT), and physical-cyber system variables on human factors in refinery industry operators and the influence of human factors and managerial initiatives on sustainable manufacturing. The method used in this study is a quantitative method using partial least square-structural equation modelling (PLS-SEM). The respondents in this study were workers of Indonesia's upstream oil and gas sector. The results of this study indicate that Big Data, IoT, and Physical Cyber Systems (PCS) have a positive and significant effect on the human factor...
June 6, 2024: Ergonomics
He Zhang, Lu Yin, Hanling Zhang
The affective experience generated when users play computer games can influence their attitude and preference towards the game. Existing evaluation means mainly depend on subjective scales and physiological signals. However, some limitations should not be ignored (e.g. subjective scales are not objective, and physiological signals are complicated). In this paper, we 1) propose a novel method to assess user affective experience when playing single-player games based on pleasure-arousal-dominance (PAD) emotions, facial expressions, and gaze directions, and 2) build an artificial intelligence model to identify user preference...
June 4, 2024: Ergonomics
Irem Sarbat
Preserving human well-being has become challenging for businesses, which continue efforts to overcome managing business processes concurrently, due to the cumulative effects of psychosocial risks at work that may seriously impair one's health. By focusing on this need, this paper proposes a more effective and realistic way of measuring job satisfaction comprising psychosocial risks by integrating multi-criteria decision-making (MCDM) methodology. Simplified PIvot Pairwise RElative Criteria Importance Assessment (PIPRECIA-S), i...
June 4, 2024: Ergonomics
Shilong Liao, Long Lin, Hairun Pei, Qin Chen
Technological breakthroughs such as artificial intelligence and sensors make human-robot collaboration a reality. Robots with highly reliable, specialised skills gain informal status in collaborative teams, but factors such as unstructured work environments and task requirements make robot error inevitable. So how do status differences of errant robots affect the desire for contact, and do team characteristics also have an impact? This paper describes an intergroup experiment using the Experimental Vignette Method (EVM), based on the Expectation Violation Theory, 214 subjects were invited to test the following hypotheses: (1) Errant robot status has an influence on employees' desire for contact and support for robotics research through negative emotions; (2) Team interdependence is a boundary condition for the effect of errant robot status on negative emotions...
May 23, 2024: Ergonomics
Daniela Colombini, Enrico Occhipinti, Marco Tasso, Matteo Candoli
Many investigations of biomechanical overload concentrate on upper limbs and manual handling: certain jobs require an evaluation on spinal and lower limb postures. While existing methodologies adequately describe postures, they often poorly consider the organisation. This shortcoming prompted the development of TACOs for spinal and lower limb postures, using organisational factors to adjust the risk indexes. The TACOs is set out in steps: task identification, posture assessment, duration, and a final evaluation also for complex cycles...
May 22, 2024: Ergonomics
Haroun Zerguine, Venerina Johnston, Ana D Goode, Genevieve N Healy
The 'Sit-Stand e -Guide' e -training program, designed to promote appropriate use of sit-stand workstations (SSWs), was evaluated for usability, acceptability and impact on various outcomes among SSW users. Participants from a large municipal organisation (25% male; mean age 45 [SD = 10.6] years) completed questionnaires pre-training (T0, n  = 57), immediately post-training (T1, n  = 50), and four weeks (T2, n  = 46: primary endpoint) and twelve months later (T3, n  = 30)...
May 22, 2024: Ergonomics
Valerie O'Keeffe, Ryan Jang, Kosta Manning, Robert Trott, Sara Howard, Ann-Louise Hordacre, John Spoehr
Industry 4.0 technology is promoted as improving manufacturing flexibility, and competitiveness; though Australia has been slow to adopt. The Australian Navy shipbuilding program provides opportunities for accelerating technology adoption, revitalising manufacturing productivity and competitiveness. Adopting a sociotechnical systems lens, our research sought to identify usability, workload, and user experience of an augmented reality head-mounted display (AR-HMD) deployed to complete multiple work tasks in a workflow (electrical assembly, collaborative robot (cobot) mediated inspection, and remote troubleshooting using video call)...
May 15, 2024: Ergonomics
Berihun Bizuneh, Abrham Destaw, Fasika Hailu, Solomon Tsegaye
This paper presents analyses of anthropometric measurements of Ethiopian young men aged 18-30 years and draws implications for the improvement of the fit of readymade clothing. Thirty-five anthropometric dimensions of 4022 subjects were measured according to ISO 8559:2017. The anthropometric dimensions were described with mean, standard deviation, and some percentiles. Differences in the anthropometric measurements with the body mass index (BMI) and ethnicity of the subjects were examined by analysis of variances...
May 14, 2024: Ergonomics
Ryan A Gordon, Matthew L Sokoloski, Emily L Zumbro, Chris J Irvine, Michael Oldham, Natalie Morgan
Firefighters routinely perform tasks that are reliant on their muscular fitness, which includes muscular strength, power and endurance. Separately, firefighters can present with unique skeletal muscle physiology characteristics due to the strenuous nature of this occupation. This review aims to summarise muscular fitness and physiology as determinants of a firefighter's ability to perform occupation-specific tasks, identify the relevance of both muscular fitness and physiology to a firefighter's risk for sustaining a work-related injury, and address the contributions of muscular fitness and physiology on a firefighter's ability to recover from tasks and their readiness for performing subsequent or future tasks...
May 14, 2024: Ergonomics
Suman Kalyan Sardar, Seul Chan Lee
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...
May 14, 2024: Ergonomics
Giorgia Coraggio, Mattia Cera, Marco Cirelli, Pier Paolo Valentini
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 WIRE 51 index...
May 10, 2024: Ergonomics
Cor-Jacques Kat, Roland Peter Gräbe, Paul Jacobus van Staden, Tanita Botha, Pieter Schalk Els
Not only is it important to know how large the overall change in vibration should be for occupants to perceive an improvement in comfort, but also how large this change should be in specific frequency bands. Relative difference thresholds (RDT) of primary (0.5-4 Hz) and secondary (9-80 Hz) ride are estimated for 14 automotive engineers seated in a vehicle on a 4-poster test rig over two roads. Resulting stimuli differed in magnitude and spectral shape. The median RDTs estimated for primary and secondary ride were 16...
May 10, 2024: Ergonomics
Colleen E Patton, Christopher D Wickens
The concepts of automation trust and dependence have often been viewed as closely related and on occasion, have been conflated in the research community. Yet, trust is a cognitive attitude and dependence is a behavioural measure, so it is unsurprising that different factors can affect the two. Here, we review the literature on the correlation between trust and dependence. On average, this correlation across people was quite low, suggesting that people who are more trusting of automation do not necessarily depend upon it more...
May 10, 2024: Ergonomics
Saif K Al-Qaisi, Ilham Abousaleh, Rim Banat, Zavi Lakissian, Rida Zeineddine, Ahmad Zaghal, Abdul Sattar Raslan, Rana Sharara-Chami
Prolonged standing in surgery has been linked to an increased risk of musculoskeletal disorders. The aim of this study was to determine whether sitting could serve as an alternative work posture in laparoscopic procedures. Twenty medical students in their third and fourth years were recruited. Sitting and standing were compared at two task complexity levels on a laparoscopic surgery simulator. Measured variables included user posture preferences, perceived discomfort, performance and biomechanics. Electromyography data from the upper trapezius and erector spinae muscles were analysed...
May 9, 2024: Ergonomics
Rupa S Valdez, Sophie E Lyon, John P Corbett, Claire Wellbeloved-Stone, Saadiq Hasan, Lauren Taylor, Mark D DeBoer, Daniel Cherñavvsky, Stephen D Patek
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...
May 7, 2024: Ergonomics
Anat Meir, Einat Grimberg, Oren Musicant
Autonomous capabilities, including Autonomous Vehicle (AV) technology, aim to reduce human effort, extend capabilities, and enhance safety. While AVs offer societal benefits, human intervention remains necessary, especially in complex situations. As communication technology advances, human intervention is possible from remote sites. In such remote locations, highly skilled tele-drivers (TEDs) are ready to face situations too complicated for the AV. However, current work still needs a comprehensive mapping of the challenges that TEDs would face...
May 2, 2024: Ergonomics
Jiayi Yang, Huanhuan Guo, Pinqing Yue, Zeng Wang, Di Wu, Pan Zhang
The influence of various polarised glasses on visual performance is crucial due to their widespread. This study measured the visual contrast sensitivity (CS) of dominant eyes by quick contrast sensitivity function (qCSF) procedure at 10 spatial frequencies and 3 noise levels under nonglare, steady glare, steady glare with night lenses, and steady glare with day&night lenses, respectively. Later, the second experiment measured the subjects' subjective feelings under these four viewing conditions. The results showed that there was no significant difference in the CS between the two conditions with polarised glasses and the steady glare...
April 30, 2024: Ergonomics
Setia Hermawati, Rhea Correa, Mrinal Mohan, Glyn Lawson, Robert Houghton
There is a lack of a clear and consistent definition of human-centricity in Industry 5.0. This study identified the definition of human-centricity in Industry 5.0 through a systematic literature review and used it to assess the readiness of Ergonomics/Human Factors communities in the UK. The assessment of the communities readiness was conducted by reviewing UK accredited courses and events of three professional bodies; and interviewing practitioners (n = 8). Eleven themes were identified as elements of human-centricity from the thematic analysis of 30 publications...
April 29, 2024: Ergonomics
Luke Wilkins
Traditionally, visual, perceptual, and cognitive (VPC) testing is performed in well-lit, silent rooms, whilst seated, and with little incentive. Whilst this is a well-controlled setting, it may lack key features of ecological validity and therefore generalisations to real-world environments and tasks may be erroneous. In the present study, 60 participants completed tests of processing speed, divided attention, and selective attention under varying conditions of light, auditory demands, movement demands, and incentive...
April 25, 2024: Ergonomics
Xin Zheng, Huiyu Wang, Tengteng Hao, Shoukun Chen, Kaili Xu, Yicheng Wang
Mental load is a major cause of human-induced accidents. In this study, an explosive impact sensitivity experiment was used to induce mental load. A combination of subjective questionnaires and objective prospective time-distance tests were used to judge whether subjects experienced mental load. Four indicators, namely, β, γ, mean pupil diameter, and fixation time were selected by statistical analysis and PCA for the construction of a mental load assessment model. The study found that the occipital lobe was the most sensitive to mental load, especially β and γ bands...
April 23, 2024: Ergonomics
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