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Relevant bibliographies by topics / NASA-TLX (Task Load Index)

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Academic literature on the topic 'NASA-TLX (Task Load Index)'

Author: Grafiati

Published: 4 June 2025

Last updated: 14 July 2025

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Journal articles on the topic "NASA-TLX (Task Load Index)"

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Hart, Sandra G. "Nasa-Task Load Index (NASA-TLX); 20 Years Later." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 50, no. 9 (2006): 904–8. http://dx.doi.org/10.1177/154193120605000909.

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Fajri Hasibuan, Chalis, Sirmas Munte, and Syaiful Bahri Lubis. "Analysis of the Workload Measurement Using Cardiovascular Load (CVL) and NASA Task Load Index (NASA-TLX) in XYZ Inc." International Journal of Science and Research (IJSR) 10, no. 4 (2021): 756–60. https://doi.org/10.21275/sr21414110204.

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Ma, Jiahui, Bernadette McCrory, and David Claudio. "Comparison of Weighted and Unweighted Task Load Indices for Single-Site Surgery Tasks." Proceedings of the International Symposium on Human Factors and Ergonomics in Health Care 10, no. 1 (2021): 142–46. http://dx.doi.org/10.1177/2327857921101080.

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Background: The National Aeronautics and Space Administration Task Load Index (NASA-TLX) a nd Surgery Task Load Index (SURG-TLX) are two subjective workload m easurement instruments. Both instruments provide unweighted andweightedworkload measurements. Weighted TLX m easures have seldomly been used byresearchers typically becauseof its high correlation with unweighted TLX a nd addedexperimentaltime to collect pairwise weightings. Therefore, theaim of thestudy wa s to compare weighted TLX scores with unweighted TLX scores and each’s sensitivity for demographic and experimentalfactors. Methods:

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McKendrick, Ryan D., and Erin Cherry. "A Deeper Look at the NASA TLX and Where It Falls Short." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 62, no. 1 (2018): 44–48. http://dx.doi.org/10.1177/1541931218621010.

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The NASA task load index (TLX) is the most used tool for measuring mental workload. The tools widespread use is associated with its pedigree, and its simplicity of application and interpretation. However, the NASA TLX has been criticized for not measuring the mental construct it purports to measure. The particular claim is that the NASA TLX does not measure perceived mental workload, instead it measures perceived task difficulty. We explored this claim using a simple spatial memory task. The results were analyzed with polynomial hierarchical regression. The NASA TLX failed the test of construc

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Hewitt, Dylan H., and Yingchen He. "Cognitive Load and Website Usability: Effects of Contrast and Task Difficulty." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 66, no. 1 (2022): 1809–13. http://dx.doi.org/10.1177/1071181322661051.

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The contrast of a website doesn’t just affect its usability for low-vision individuals; it affects everyone. This study aims to evaluate the effects of contrast (low, medium, or high) on web browsing experience in normally-sighted individuals. Cognitive load associated with the task was assessed using the NASA task load index (NASA-TLX) and the usability of the website was assessed by the systems usability scale (SUS). We found that NASA-TLX scores significantly increased with the amount of time a task took, indicating an effect of task difficulty. The impact of contrast was reported during en

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Laili, Reni. "ANALISIS BEBAN KERJA OPERATOR RAIL MOUNTED GANTRY CRANE (RMGC) MENGGUNAKAN METODE CARDIOVASCULAR LOAD AND NASA-TLX (NATIONAL AERONAUTICS AND SPACE ADMINISTRATION TASK LOAD INDEX)." Jurnal Tekno 18, no. 2 (2021): 90–100. http://dx.doi.org/10.33557/jtekno.v18i2.1270.

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PT. IPC TPK Area Palembang merupakan perusahaan yang bergerak dibidang penyediaan fasilitas terminal petikemas untuk perdagangan baik domestik maupun internasional. Tugas Operator RMGC (Rail Mounted Gantry Crane) yaitu membongkar dan memuat peti kemas. Aktivitas tersebut membutuhkan aspek Fisik dan juga Mental. Penilitian ini bertujuan untuk Menganalisis Beban Kerja Fisik dan Mental. Beban Kerja Fisik diukur berdasarkan Cardiovascular Load (CVL). Beban Kerja Mental dengan menggunakan metode NASA-TLX. Berdasarkan hasil analisis CVL, dari ke 16 operator ada 5 orang operator memiliki nilai presen

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Azwar, Ade Geovania, and Nunung Fauziah. "Analisis Beban Kerja Karyawan Di Perusahaan Konveksi Al-Hasri Garut." Rekayasa Industri dan Mesin (ReTIMS) 1, no. 2 (2020): 111. http://dx.doi.org/10.32897/retims.2020.1.2.323.

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Perusahaan konveksi Al-Hasri Garut merupakan perusahaan yang bergerak dibidang konveksi kerudung dengan skala produksi yang cukup besar. Selama proses produksi berlangsung sering terjadi keadaan dimana waktu produksi menjadi lebih panjang dari yang sudah dijadwalkan. Sehingga untuk mengetahui beban kerja yang dirasakan oleh para operator jahit maka dilakukan pengukuran dengan menggunakan metode Cardiovascular Load (CVL) dan (National Aeronautics and Sapace Administration Task Load index) NASA-TLX. Metode Cardiovascular Load (CVL) merupakan metode yang digunakan untuk pengukuran denyut nadi seb

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Wu, Yun, Yao Zhang, and Bin Zheng. "Workload Assessment of Operators: Correlation Between NASA-TLX and Pupillary Responses." Applied Sciences 14, no. 24 (2024): 11975. https://doi.org/10.3390/app142411975.

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Operators in high-stress environments often face significant cognitive demands that can impair their performance, underscoring the need for comprehensive workload assessment. This study aims to study the relationship between subjective self-reported measures, the NASA task load index (NASA-TLX), objective bio-signal measures, and pupillary responses. The participants engaged in either a visual tracking task or a laparoscopic visuomotor task while their eye movements were recorded using a Tobii Pro Nano eye tracker (Tobii Technology Inc., Stockholm, Sweden). Immediately after completing the tas

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Santika Sari. "Analisis Beban Kerja Menggunakan Metode Nasa - Task Load Index Pada Karyawan Telkom Applied Science School Bandung." JURNAL TEKNOLOGI DAN MANAJEMEN INDUSTRI 5, no. 2 (2019): 1–6. http://dx.doi.org/10.36040/jtmi.v5i2.272.

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Telkom Apllied Science Schoolmerupakan salah satu fakultas pada universitas telkom yang memiliki jumlah progam studi lebih banyak dibandingkan dengan fakultas lain. Oleh karena itu perlu dilakukan perhitungan beban kerja pada karyawan bidang akademik pada fakultas tersebut untuk mengetahui seberapa besar beban kerja mental yang dialami oleh karyawan dan faktor apa yang mempengaruhi beban kerja tersebut. Pengukuran beban kerja pada karyawan bidang akademik ini dapat menentukan langkah yang tepat untuk menjaga produktivitas kerja. Salah satu metode yang dapat mengukur beban kerja mental adalah N

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Alfianto, Rafly, and Fahriza Nurul Azizah. "Analisis Beban Kerja Mental Menggunakan Metode NASA-TLX pada Engineering Departement (Studi Kasus PT. Muliaglass Float Division)." Jurnal Teknik Industri Terintegrasi 7, no. 1 (2024): 186–97. http://dx.doi.org/10.31004/jutin.v7i1.22556.

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PT Muliaglass Float Division, a subsidiary of PT Mulia Industrindo, operates in the glass and ceramic industry with a large production capacity every day. Therefore, it is necessary to analyze the extent of psychological stress and what factors affect it. One way to measure mental workload is NASA-TLX. The National Aeronautics and Space Administration Task Load Index (NASA-TLX) is used to assess emotional mental load. The NASA TLX method is a mental workload measurement method that measures workload by dividing it into six aspects of work elements. NASA-TLX is divided into two phases. That is,

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Dissertations / Theses on the topic "NASA-TLX (Task Load Index)"

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Bowers, Drew. "Effects of Subjective Workload Measurement During a Workload Transition on Task Performance." University of Dayton / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1405001490.

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Galler, Britta [Verfasser], Jost [Akademischer Betreuer] Steinhäuser, and Dimitrios [Akademischer Betreuer] Psathakis. "NASA-Task Load Index : ein Instrument, um sich der Komplexität von Beratungsanlässen in der Allgemeinmedizin zu nähern / Britta Galler ; Akademische Betreuer: Jost Steinhäuser, Dimitrios Psathakis." Lübeck : Zentrale Hochschulbibliothek Lübeck, 2021. http://d-nb.info/1232553107/34.

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Kan, Benjamin. "The effects of exercise intensity and cognitive load on acute changes in attention and vigilance in healthy young adults." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2018. https://ro.ecu.edu.au/theses/2066.

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Many studies have reported acute effects of exercise on cognition, and that exercise intensity is a key factor affecting post-exercise cognition. It appears that the cognitive load associated with exercise may also influence post-exercise cognition, but this has not been quantified. Little attention has been given to the cognitive aspect of attention and vigilance, and no previous study has investigated the effects of either exercise intensity or cognitive load, on post-exercise attention and vigilance. Therefore, this research project examined the effects of different cycling exercise intensi

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FINOMORE, VICTOR S. JR. "EFFECTS OF FEATURE PRESENCE/ABSENCE AND EVENT ASYNCHRONY ON VIGILANCE PERFORMANCE AND PERCEIVED MENTAL WORKLOAD." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1143732659.

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Friberg, Annika. "Interaktionskvalitet - hur mäts det?" Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20810.

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Den tekniska utvecklingen har lett till att massiva mängder av information sänds, i högahastigheter. Detta flöde måste vi lära oss att hantera. För att maximera nyttan av de nyateknikerna och undkomma de problem som detta enorma informationsflöde bär med sig, börinteraktionskvalitet studeras. Vi måste anpassa gränssnitt efter användaren eftersom denneinte har möjlighet att anpassa sig till, och sortera i för stora informationsmängder. Vi måsteutveckla system som gör människan mer effektiv vid användande av gränssnitt.För att anpassa gränssnitten efter användarens behov och begränsningar krävs

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Hsieh, Meng Chen, and 謝孟真. "Preliminary Reliability and Validity Test of the Chinese Version National Aeronautics and Space Administration Task Load Index（NASA-TLX）." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/22099302467305577945.

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Abich, Julian. "Investigating the universality and comprehensive ability of measures to assess the state of workload." Doctoral diss., 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/6051.

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Measures of workload have been developed on the basis of the various definitions, some are designed to capture the multi-dimensional aspects of a unitary resource pool (Kahneman, 1973) while others are developed on the basis of multiple resource theory (Wickens, 2002). Although many theory based workload measures exist, others have often been constructed to serve the purpose of specific experimental tasks. As a result, it is likely that not every workload measure is reliable and valid for all tasks, much less each domain. To date, no single measure, systematically tested across experimental ta

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(8803076), Jordan M. McGraw. "Implementation and Analysis of Co-Located Virtual Reality for Scientific Data Visualization." Thesis, 2020.

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<div>Advancements in virtual reality (VR) technologies have led to overwhelming critique and acclaim in recent years. Academic researchers have already begun to take advantage of these immersive technologies across all manner of settings. Using immersive technologies, educators are able to more easily interpret complex information with students and colleagues. Despite the advantages these technologies bring, some drawbacks still remain. One particular drawback is the difficulty of engaging in immersive environments with others in a shared physical space (i.e., with a shared virtual environment

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Books on the topic "NASA-TLX (Task Load Index)"

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Evaluation of Electronic Formats of the NASA Task Load Index. Independently Published, 2020.

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National Aeronautics and Space Administration (NASA) Staff. Evaluation of Electronic Formats of the NASA Task Load Index. Independently Published, 2019.

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Book chapters on the topic "NASA-TLX (Task Load Index)"

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Walker, Zack, Ansgar Gerlicher, Axel Braun, et al. "Exploring Interactions in Autonomous Vehicles: A Comprehensive Evaluation of Various Interaction Methods for 2D and 3D Content." In ARENA2036. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-88831-1_18.

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Abstract This study investigates the effectiveness of interaction modalities for working within 2-dimensional and 3-dimensional content in autonomous vehicles (AVs). In a Virtual Reality (VR) simulation, three interaction concepts - space mouse, gesture control, and touchpad - are evaluated independently and comparatively based on task completion, user feedback, User Experience Questionnaire (UEQ), and NASA Task Load Index (TLX) assessments. The results show that the space mouse concept is positively received for both 2D and 3D interactions, with high task completion rates and reduced task times. Gesture control is favorable when executed intuitively, while the touchpad performs well in 2D but struggles in 3D due to spatial disparities and technical limitations. UEQ and TLX results align with qualitative findings. Consequently, a hybrid system integrating gesture control and space mouse input is developed to address limitations and enhance user experience within autonomous vehicles.

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Reyes, Janina Elyse A., Karl Bryant P. Buan, Roi Vincent B. Limin, and John Roy D. Marucot. "Workload Level Assessment of Online Classes of College Students in Technological Institute if the Philippines Manila Using NASA Task Load Index (NASA TLX)." In Proceedings of the 21st Congress of the International Ergonomics Association (IEA 2021). Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-74605-6_13.

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Othman, Norashiken, Ummi Noor Abdullah, and Fairuz Izzudiin Romli. "Evaluating Mental Workload Using Pupil Dilation and Nasa-Task Load Index." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63335-6_26.

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Szedlak, Christoph, Alina Marquet, Bert Leyendecker, and Ralf Woll. "Der Einfluss von mentaler Arbeitsbeanspruchung auf den Lernerfolg in einem Planspiel zur Qualitäts- und Prozessverbesserung: Eine empirische Untersuchung unter Verwendung des NASA Task Load Index (TLX)." In Neue Methoden und Trends in der Qualitätswissenschaft. Springer Fachmedien Wiesbaden, 2025. https://doi.org/10.1007/978-3-658-45899-7_8.

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Adapa, Karthik, Malvika Pillai, Shiva Das, Prithima Mosaly, and Lukasz Mazur. "Predicting Objective Performance Using Perceived Cognitive Workload Data in Healthcare Professionals: A Machine Learning Study." In MEDINFO 2021: One World, One Health – Global Partnership for Digital Innovation. IOS Press, 2022. http://dx.doi.org/10.3233/shti220191.

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Cognitive Workload (CWL) is a fundamental concept in predicting healthcare professionals’ (HCPs) objective performance. The study aims to compare the accuracy of the classical model (utilizes all six dimensions of the National Aeronautics and Space Administration Task Load Index (NASA-TLX)) and novel models (utilize four or five dimensions of NASA-TLX) in predicting HCPs’ objective performance. We use a dataset from our previous human factors research studies and apply a broad selection of supervised machine learning classification techniques to develop data-driven computational models and predict objective performance. The study findings confirm that classical models are better predictors of objective performance than novel models. This has practical implications for research in health informatics, human factors and ergonomics, and human-computer interaction in healthcare. Findings, although promising, cannot be generalized as they are based on a small dataset. Future studies may investigate additional subjective and physiological measures of CWL to predict HCPs’ objective performance.

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Zimmer, Melanie, Ali Al-Yacoub, Pedro Ferreira, Ella-Mae Hubbard, and Niels Lohse. "Mental Workload of Local vs Remote Operator in Human-Machine Interaction Case Study." In Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210008.

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Since late 2019, a novel Coronavirus disease 2019 (COVID-19) has spread globally. As a result, businesses were forced to send their workforce into remote working, wherever possible. While research in this area has seen an increase in studying and developing technologies that allow and support such remote working style, not every sector is currently prepared for such a transition. Especially the manufacturing sector has faced challenges in this regard. In this paper, the mental workload of two groups of participants is studied during a human-robot interaction task. Participants were asked to bring a robotised cell used in a dispensing task to full production by tuning system parameters. After the experiment, a self-assessment of the participants’ perceived mental workload using the NASA Task Load Index (NASA-TLX) was used. The results show that remote participants tend to have lower perceived workload compared to the local participants.

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Hart, Sandra G., and Lowell E. Staveland. "Development of NASA-TLX (Task Load Index): Results of Empirical and Theoretical Research." In Advances in Psychology. Elsevier, 1988. http://dx.doi.org/10.1016/s0166-4115(08)62386-9.

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Hudson Darren, Kushniruk Andre W., and Borycki Elizabeth M. "Using the NASA Task Load Index to Assess Workload in Electronic Medical Records." In Studies in Health Technology and Informatics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-488-6-190.

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Electronic medical records (EMRs) has been expected to decrease health professional workload. The NASA Task Load Index has become an important tool for assessing workload in many domains. However, its application in assessing the impact of an EMR on nurse's workload has remained to be explored. In this paper we report the results of a study of workload and we explore the utility of applying the NASA Task Load Index to assess impact of an EMR at the end of its lifecycle on nurses' workload. It was found that mental and temporal demands were the most responsible for the workload. Further work along these lines is recommended.

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Liu Yisi, Trapsilawati Fitri, Hou Xiyuan, et al. "EEG-Based Mental Workload Recognition in Human Factors Evaluation of Future Air Traffic Control Systems." In Advances in Transdisciplinary Engineering. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-779-5-357.

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With growing air traffic density, air-traffic controllers (ATCOs) are facing more challenges in interpreting and analyzing air traffic information. As one of the solutions to this problem, automation supports such as tactile human computer interface, interactive 3D radar displays, and conflict resolution aid (CRA) are proposed for the enhancement of the current air traffic control (ATC) systems. To evaluate the proposed ATC systems, questionnaires are commonly used to get the feedback from ATCOs. However, the questionnaires are usually administered upon completion of each ATC simulation task thus provide only overall ratings towards the new ATC systems. In this paper, we propose and implement a novel Electroencephalogram (EEG)-based neurocognitive tools for evaluation of ATC systems. The nature of EEG-based technique is that the brain states can be monitored in a high resolution time, fitting the nature of time-critical ATC tasks. Thus, such EEG-based human factors study allows for real-time monitoring of ATCOs' mental workload during the task performance in ATC systems. We designed and conducted an experiment to evaluate the costs and benefits of the CRA and tactile user interface in future ATC systems. Thirty six participants participated in the experiment and were assigned into three groups of different display modes: Non-Display, Display, and Trajectory Prediction. In each group, three CRA conditions were given: Manual, Reliable and Unreliable. The EEG data were recorded during the tasks, and the traditional workload evaluation method NASA Task Load Index (TLX) was administered at the end of each task. The result shows that the ratings obtained from NASA TLX and from the EEG labeling are highly correlated. Thus, the EEG-based system is reliable to recognize workload during the task performance. With the proposed EEG-based system, we found that 1) relatively high workload was observed at the beginning of the experiment in each group which could be due to participants' unfamiliarity with the interfaces; 2) participants in the trajectory prediction group had much higher workload as compared to vertical display and non-display groups, which could be attributed to its complexity. The changes of workload are due to interaction between the type of display modes and time (p&lt;0.05); 3) workload varied slightly with different CRA setting. The results show that the proposed EEG-based system for human factors study can provide better understanding of real-time mental workload changes during the task performance in new ATC systems, therefore enables the evaluation of current and future ATC systems.

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Hertzum, Morten. "How Demanding Is Healthcare Work? A Meta-Analytic Review of TLX Scores." In Studies in Health Technology and Informatics. IOS Press, 2021. http://dx.doi.org/10.3233/shti210637.

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This study establishes how demanding healthcare work is experienced to be and whether nurses and physicians experience different levels of workload. A meta-analytic review was conducted of 87 studies that reported Task Load Index (TLX) scores for healthcare work. Of these studies, 37 were conducted in real-life settings and 50 in lab settings without real patients. In real-life settings, clinicians experienced a workload with a mean TLX of 49 (on a 0-100 scale). Divided onto staff groups, the mean TLX for nurses was 63, which was significantly higher than the mean of 40 for physicians. Among the six TLX subscales, the main contributors to workload were mental demand, temporal demand, and effort. They were higher than physical demand and frustration. The clinicians experienced their performance – the last subscale – as closer to poor than good in 38% of the studies conducted in real-life settings. The difference between nurses and physicians was consistent across all subscales, except mental demand. Finally, it is methodologically important that TLX scores appeared not to transfer directly from lab to real-life settings. To reduce the risk of errors and burnout, new healthcare procedures and technologies should be evaluated for their impact on workload.

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Conference papers on the topic "NASA-TLX (Task Load Index)"

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Jones, Michael, Philip Perfect, Michael Jump, and Mark White. "Investigation of Novel Concepts for Control of a Personal Air Vehicle." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9517.

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This paper reports results from a study to investigate the use of novel control systems designed to provide a safe and reliable method for the control of a future Personal Aerial Vehicle (PAV). Previous research into vehicle response type requirements, conducted within the EC FP-7 project myCopter, has centered around 'conventional' rotorcraft-type control configurations. In this paper, the use of response and control characteristics derived from road vehicles is investigated. Objective and subjective techniques are used to quantify and qualify the applicability of automobile-like response cha

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Abdullah, Md, Vibhav Nirmal, and Mahmudur Rahman. "Comparing the Efficacy of Virtual Reality Training, Augmented Reality Instruction and Traditional Paper-Based Instruction Methods for Assembly Tasks." In 2024 AHFE International Conference on Human Factors in Design, Engineering, and Computing (AHFE 2024 Hawaii Edition). AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1005670.

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The landscape of instructional methods is continually evolving, driven by advancements in technology. Virtual Reality (VR) and Augmented reality (AR) are emerging technologies offering innovative approaches to training and providing real-time assistance. In order to compare the efficacy of these methods in assembly tasks, in this study, 24 participants were randomly assigned to three groups: one group used paper-based instructions, while another used instruction displayed through the HoloLens 2.0 (AR), and the remaining group was trained in a fully immersive VR environment and were asked to pe

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McCoy, Eric M., Ellie Kazemi, Adisa Ptah, Amir Rahmani, and Lauren Khoury. "Evaluating NASA Scientists’ Perspectives of the NASA Task Load Index." In AIAA SCITECH 2023 Forum. American Institute of Aeronautics and Astronautics, 2023. http://dx.doi.org/10.2514/6.2023-1825.

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Roja, Zenija, Henrijs Kalkis, and Marwan Babiker. "Interaction of Physical and Mental Strain for Surgeons and Nurses in Operating Theatre in Latvia." In 16th International Conference on Applied Human Factors and Ergonomics (AHFE 2025). AHFE International, 2025. https://doi.org/10.54941/ahfe1006596.

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Health care is one of the leading sectors of the national economy in Latvia, where employees according to the official statistics make up 6.7% of all employees in the country. In 2022. Today, physical load and stress at work are an integral part of everyday life in various professions. It places a heavy burden on workers` mental and physical abilities. Work related musculoskeletal disorders (WRMSD`s) are the most common causes of occupational diseases, injuries, and disabilities for various professions, including staff in the operating block. When cognitive demands increase and are not balance

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Li, Weixuan, Glyn Lawson, Setia Hermawati, and Kyle Harrington. "Human factors in emergency rescue: Can real-time spatial video enhance communication and command capabilities?" In 16th International Conference on Applied Human Factors and Ergonomics (AHFE 2025). AHFE International, 2025. https://doi.org/10.54941/ahfe1006576.

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The purpose of this study was to investigate whether real-time spatial video feedback could enhance navigation and command capabilities of emergency rescue teams. Participants engaged in search and rescue missions using a simulated virtual disaster scenario in Unity, with two methods of communication available: traditional voice communication and real-time video feedback. Forty individuals were separated into 20 groups, and each group carried out four experiments using a within-subject design. Post-experimental evaluations included the NASA Task Load Index (NASA-TLX), task completion time, and

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Swangnetrab, Manida, David Kaberc, Ellen Vorberga, Heidi Fleischera, and Kerstin Thurowa. "Identifying Automation Opportunities in Life Science Processes through Operator Task Modeling and Workload Assessment." In Applied Human Factors and Ergonomics Conference. AHFE International, 2019. http://dx.doi.org/10.54941/ahfe100232.

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In an effort to automate manual life science processes for high throughput and accuracy, we previously observed that perceived operator workload could be used to identify taxing tasks as targets for robotics. However, we also observed that other factors, including task time and step count, might influence workload. The objective of the present research was to determine whether technician perceptions of workload were driven by process method characteristics, specifically duration, number of steps, and numbers of motor and cognitive operations. Confirmation of influence of these characteristics

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Jayasree-Krishnan, Veena, Shramana Ghosh, Jack Spiegler, Preeti Raghavan, and Vikram Kapila. "Task-Specific Assistive Device (TAD): An Accessible Technological Solution for Upper Limb Disability." In 2020 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dmd2020-9047.

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Abstract The task-specific assistive device (TAD) is a compact and portable assistive device, consisting of an actuated six-bar linkage, designed to facilitate the activity of drinking from a cup without using the hands. In this paper, we examine the effectiveness of the device in supporting patients with conditions of incomplete tetraplegia and hemiplegia by simulating disability in 17 healthy subjects. The average percentage reduction in bending angle of torso with the use of TAD was found to be 40.31% for subjects with simulated incomplete tetraplegia and 37.14% for subjects with simulated

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GHOBRIAL, Mina. "Effectiveness of machining equipment user guides: A comparative study of augmented reality and traditional media." In Material Forming. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903131-255.

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Abstract. In the rapidly evolving landscape of manufacturing and material forming, innovative strategies are imperative for maintaining a competitive edge. Augmented Reality (AR) has emerged as a groundbreaking technology, offering new dimensions in how information is displayed and interacted with. It holds particular promise in the panel of instructional guides for complex machinery, potentially enhance traditional methods of knowledge transfer and operator training. Material forming, a key discipline within mechanical engineering, requires high-precision and skill, making it an ideal candida

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Walia, Kartikeya, and Philip Breedon. "Assembly Complexity Index (ACI): A Framework to Evaluate Assembly Process for Validating a Modular Robotic Design." In 2024 AHFE International Conference on Human Factors in Design, Engineering, and Computing (AHFE 2024 Hawaii Edition). AHFE International, 2024. http://dx.doi.org/10.54941/ahfe1005643.

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The assembly of equipment necessitates varying degrees of expertise, with complexity often escalating alongside technological advancements. While automation has reduced the workload in manufacturing and assembly lines, repair and maintenance still require a significant user skillset. This research focused on developing a modular robotic system with straightforward assembly and disassembly, requiring minimal robotics expertise from end users. A modular robotic system offers benefits such as shorter repair times leading to reduced downtimes on a factory shop floor, options for task-agnostic reco

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Swangnetr, Manida, David Kaber, Ellen Vorberg, and Heidi Fleischerand Kerstin Thurow. "Workload Assessment for Manual and Automated Processes in Life Sciences." In Applied Human Factors and Ergonomics Conference. AHFE International, 2018. http://dx.doi.org/10.54941/10015.

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In life science process development, optimized manual protocols are converted to semi-automated processes to address high throughput and accuracy demands and to promote technician safety. However, little research has been conducted on technician workload assessment as a basis for identifying and prioritizing automation targets. The objectives of this study were to: 1) assess technician workload in a manual protocol and identify automation “targets” (for load reduction); and 2) compare workload with prototype automation vs. purely manual performance. Three expert technicians performed a mercury

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