Human activity recognition algorithms for manual material handling activities DOI Creative Commons

Andreas Sochopoulos,

Tommaso Poliero, Jamil Ahmad

и другие.

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Март 31, 2025

Human Activity Recognition (HAR) using wearable sensors has prompted substantial interest in recent years due to the availability and low cost of Inertial Measurement Units (IMUs). HAR IMUs can aid both ergonomic evaluation performed activities and, more recently, with development exoskeleton technologies, assist selection precisely tailored assisting strategies. However, there needs be research regarding identification diverse lifting styles, which requires appropriate datasets proper hyperparameters for employed classification algorithms. This paper offers insight into effect sensor placement, number sensors, time window, classifier complexity, IMU data types used styles. The analyzed classifiers are feedforward neural networks, 1-D convolutional recurrent standard architectures series but offer different capabilities computational complexity. is utmost importance when inference expected occur an embedded platform such as occupational exoskeleton. It shown that accurate style detection multiple sufficiently long windows, able leverage temporal nature since differences subtle from a kinematic point view significantly impact possibility injuries.

Язык: Английский

Reducing Back Exertion and Improving Confidence of Individuals with Low Back Pain with a Back Exosuit: A Feasibility Study for Use in BACPAC DOI Creative Commons
D. Adam Quirk,

Jinwon Chung,

Gregory Schiller

и другие.

Pain Medicine, Год журнала: 2023, Номер 24(Supplement_1), С. S175 - S186

Опубликована: Фев. 16, 2023

Low back pain (LBP) is hallmarked by activity limitations, especially for tasks involving bending. Back exosuit technology reduces low discomfort and improves self-efficacy of individuals with LBP during bending lifting tasks. However, the biomechanical efficacy these devices in unknown. This study sought to determine perceptual effects a soft active designed assist sagittal plane To understand patient-reported usability use cases this device.

Язык: Английский

Процитировано

25
Dynamic and Static Assistive Strategies for a Tailored Occupational Back-Support Exoskeleton: Assessment on Real Tasks Carried Out by Railway Workers DOI Creative Commons
Christian Di Natali, Tommaso Poliero, Vasco Fanti

и другие.

Bioengineering, Год журнала: 2024, Номер 11(2), С. 172 - 172

Опубликована: Фев. 10, 2024

This study on occupational back-support exoskeletons performs a laboratory evaluation of realistic tasks with expert workers from the railway sector. Workers performed both static task and dynamic task, each involving manual material handling (MMH) manipulating loads 20 kg, in three conditions: without an exoskeleton, commercially available passive exoskeleton (Laevo v2.56), StreamEXO, active developed by our institute. Two control strategies were defined, one for tasks, latter determining upper body's gravity compensation through Model-based Gravity Compensation (MB-Grav) approach. work presents comparative assessment performance back support versus when trialled relevant tasks. After lab characterization MB-Grav strategy, experimental compared two exoskeletons, passive. The results showed that while devices able to reduce muscle activation, benefits device triple those system regarding activation (26% 33% against 9% 11%, respectively), hindered trunk mobility more than mechanism.

Язык: Английский

Процитировано

8
Detecting Fatigue during Exoskeleton-Assisted Trunk Flexion Tasks: A Machine Learning Approach DOI Creative Commons
Pranav Madhav Kuber,

Hrushikesh Godbole,

Ehsan Rashedi

и другие.

Applied Sciences, Год журнала: 2024, Номер 14(9), С. 3563 - 3563

Опубликована: Апрель 23, 2024

Back-Support Industrial Exoskeletons (BSIEs) can be beneficial in reducing the risk of injury due to overexertion during trunk flexion tasks. Most real-world tasks include complex body movements, leading mixed outcomes that necessitate field-based methods for detecting overall physical demands. Monitoring fatigue this regard ensure benefits BSIEs are translated real world. Our experiment included 14 participants, who performed 30 repetitions 45° trunk-flexion while assisted by a BSIE, first without and then at medium-high back (7/10 Borg scale). We extracted 135 features from recorded muscle activity, motion, whole-body stability across bending, transition, retraction portions each cycle. Four classification algorithms, namely Support Vector Machine (SVM), Logistic Regression (LR), Random Forest (RF), XGBoost (XGB), were implemented assess prediction. XGB (Accuracy: 86.1%, Recall: 86%, Specificity: 86.3%) was effective classifying with data obtained single EMG sensor located on lower (erector spinae) muscle. Meanwhile, measures showed high predictability both RF (92.9%, 91.9%, 94.1%) (93.5, 94.1%, 93.1%). Findings demonstrate success force plates, when replaced pressure insoles, they facilitate detection BSIE-assisted

Язык: Английский

Процитировано

8
From the idea to the user: a pragmatic multifaceted approach to testing occupational exoskeletons DOI Creative Commons
Christian Di Natali, Tommaso Poliero, Matteo Sposito

и другие.

Wearable Technologies, Год журнала: 2025, Номер 6

Опубликована: Янв. 1, 2025

Abstract Assessment of occupational exoskeletons should ideally include longitudinal and multistage studies in real working scenarios to prove their effectiveness sustainability in-field contexts help generalize the findings for specific scenarios. This work presents a comprehensive assessment methodology implemented as experimental campaign rail industry workers using back-support exoskeleton (StreamEXO). demonstrates that sector/task-specific developed address task-specific requirements generates beneficial performance user experience results. The this paper involves collecting data from nine over multiple days testing. During testing, did not report hindrances operations, with an acceptance rate 86%. In addition, worker fatigue was reduced by 16.9% measured through metabolic consumption, 51% when assessed perceived effort. supports hypothesis tailored meet needs tasks can produce demonstrable benefits industrial sectors.

Язык: Английский

Процитировано

1
Active and Passive Back-Support Exoskeletons: A Comparison in Static and Dynamic Tasks DOI Creative Commons
Tommaso Poliero, Vasco Fanti, Matteo Sposito

и другие.

IEEE Robotics and Automation Letters, Год журнала: 2022, Номер 7(3), С. 8463 - 8470

Опубликована: Июль 1, 2022

Studies on back-support exoskeletons focus mostly the evaluation of single devices. Also, these studies suggest that passive might be preferred when performing static tasks, whereas active ones, could show their advantage in dynamic tasks. To verify this hypothesis and provide a comparison between different devices, study, we analyse performance XoTrunk xmlns:xlink="http://www.w3.org/1999/xlink">Laevo v2.56 , an exoskeleton one, respectively. We devices highlighting ability to reduce back muscle activation, perceived discomfort usability. The study was carried out by simulating task. results both back-muscle activation levels, although provides reduction more than twice as large xmlns:xlink="http://www.w3.org/1999/xlink">Laevo (e.g., 41% vs 16%, respectively). also that, overall, condition, has better scores . Conversely, task, participants had preference for device, presented work can help end-users properly select best device fit needs.

Язык: Английский

Процитировано

36
A Systematic Review on Evaluation Strategies for Field Assessment of Upper-Body Industrial Exoskeletons: Current Practices and Future Trends DOI
Pranav Madhav Kuber, Masoud Abdollahi, Mohammad Mehdi Alemi

и другие.

Annals of Biomedical Engineering, Год журнала: 2022, Номер 50(10), С. 1203 - 1231

Опубликована: Авг. 2, 2022

Язык: Английский

Процитировано

36
Soft Wearable Robots: Development Status and Technical Challenges DOI Creative Commons
Shi Yong-jun,

Wei Dong,

Weiqi Lin

и другие.

Sensors, Год журнала: 2022, Номер 22(19), С. 7584 - 7584

Опубликована: Окт. 6, 2022

In recent years, more and research has begun to focus on the flexible lightweight design of wearable robots. During this process, many novel concepts achievements have been continuously made shown public, while new problems emerged at same time, which need be solved. paper, we give an overview development status soft robots for human movement assistance. On basis a clear definition, perform system classification according target assisted joint attempt describe overall prototype level in related fields. Additionally, it is necessary sort out latest progress key technologies such as structure, actuation, control evaluation, thereby analyzing ideas basic characteristics them. Finally, discuss possible application fields, propose main challenges valuable direction.

Язык: Английский

Процитировано

31
A deep learning model for ergonomics risk assessment and sports and health monitoring in self-occluded images DOI

Amirhossein Aghamohammadi,

Seyed Aliasghar Beheshti Shirazi,

Seyed Yashar Banihashem

и другие.

Signal Image and Video Processing, Год журнала: 2023, Номер 18(2), С. 1161 - 1173

Опубликована: Окт. 29, 2023

Язык: Английский

Процитировано

21
Passive Exoskeletons to Enhance Workforce Sustainability: Literature Review and Future Research Agenda DOI Open Access
Gjulio Ashta, Serena Finco, Daria Battini

и другие.

Sustainability, Год журнала: 2023, Номер 15(9), С. 7339 - 7339

Опубликована: Апрель 28, 2023

The human-centered workplace design philosophy and the operator 5.0 concepts are gaining ground in modern industries moving through personalization of operators’ for improving workforce well being capabilities. In such a context, new assistive technologies, as passive exoskeletons, good candidates to be wisely adopted manufacturing logistics systems. A growing interest these devices has been detected over last years, both from an academic company perspective, with increasing number solutions tests according their field application. Aiming investigate current state art, we propose literature review focused on exoskeletons (M&L) We categorize assessment relation M&L tasks which they applied give reader easy direct insight into exoskeleton performance real settings. Further, impact deployment efficiency perspective its cost-effectiveness evaluation provided. Finally, maturity heat map is proposed track level different by focusing set scientific industrial domains. discussion future research agenda also provided managerial implications investing devices.

Язык: Английский

Процитировано

19
The effect of a soft active back support exosuit on trunk motion and thoracolumbar spine loading during squat and stoop lifts DOI
Jacob J. Banks,

David A. Quirk,

Jinwon Chung

и другие.

Ergonomics, Год журнала: 2024, Номер unknown, С. 1 - 14

Опубликована: Фев. 22, 2024

Back support exosuits aim to reduce tissue demands and thereby risk of injury pain. However, biomechanical analyses soft active exosuit designs have been limited. The objective this study was evaluate the effect a back on trunk motion thoracolumbar spine loading in participants performing stoop squat lifts 6 10 kg crates, using participant-specific musculoskeletal models. did not change overall but affected lumbo-pelvic slightly, reduced peak compressive shear vertebral loads at some levels, although increased slightly others. This indicates that limited kinematic effects during lifting, can spinal depending level. These results hypothesis assist without limiting movement or negatively impacting skeletal implications for future design ergonomic intervention efforts.

Язык: Английский

Процитировано

6