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Design of Manual Material Handling System Through
Abstract: Designing of lifting, pushing and pulling activities based on the physical and physiological capabilities of the operators is essential. The purpose of this study is to analyze manual material handling (MMH) working posture of the operators using 3D Static Strength Prediction Program (3DSSPP) software and to identify major areas causing long last injury of operators. The research has investigated the fit between the demands of tasks and the capabilities of operators. At the existing situations, the actual capabilities of operators have been computed with the help of 3DSSPP software and compared with NIOSH standards. Accordingly, operators ’ working posture is at an unacceptable position that exposes them for musculoskeletal disorders. Then, after the improvement of the design of MMH device (cart’s roller), the result showed that the forces required by the operators to push and pull the sliver cans have been reduced from 931.77 Newton to 194.23 Newton. Furthermore, improvem...
Related Papers
Amare Matebu
Designing of lifting, pushing and pulling activities based on the physical and physiological capabilities of the operators is essential. The purpose of this study is to analyze manual material handling (MMH) working posture of the operators using 3D Static Strength Prediction Program (3DSSPP) software and to identify major areas causing long last injury of operators. The research has investigated the fit between the demands of tasks and the capabilities of operators. At the existing situations, the actual capabilities of operators have been computed with the help of 3DSSPP software and compared with NIOSH standards. Accordingly, operators’ working posture is at an unacceptable position that exposes them for musculoskeletal disorders. Then, after the improvement of the design of MMH device (cart’s roller), the result showed that the forces required by the operators to push and pull the sliver cans have been reduced from 931.77 Newton to 194.23 Newton. Furthermore, improvement of MMH cart’s roller has reduced the awkward posture of operators and the risk of musculoskeletal disorders. The improved manual material handling design also saves about 1828.40 ETB per month for the company.
Birhanu Dagnew
Designing of lifting, pushing and pulling activities based on the physical and physiological capabilities of the operators is essential. The purpose of this study is to analyze manual material handling (MMH) working posture of the operators using 3D Static Strength Prediction Program (3DSSPP) software and to identify major areas causing long last injury of operators. The research has investigated the fit between the demands of tasks and the capabilities of operators. At the existing situations, the actual capabilities of operators have been computed with the help of 3DSSPP software and compared with NIOSH standards. Accordingly, operators' working posture is at an unacceptable position that exposes them for musculoskeletal disorders. Then, after the improvement of the design of MMH device (cart's roller), the result showed that the forces required by the operators to push and pull the sliver cans have been reduced from 931.77 Newton to 194.23 Newton. Furthermore, improvement of MMH cart's roller has reduced the awkward posture of operators and the risk of musculoskeletal disorders. The improved manual material handling design also saves about 1828.40 ETB per month for the company.
International Journal of Human Factors Modelling and Simulation
Donald Bloswick
Shashank Muley
Advancement in the field of ergonomics and biomechanics has curtailed rate of injuries, but still Work-related Musculoskeletal Disorders (WMSDs) are a leading cause of lost work days in the construction industry. Manual material handling (MMH) tasks such as lifting, carrying and pushing heavy material such as rebars, pipes, and tools in construction are significant causes of WMSDs. Several regulations and standards dictate the safe practice of construction activities onsite to make it safer for the construction workforce. There exist several workplace assessment tools based on visual observation, direct measurement, remote sensing, and vision-based techniques. The remote-sensing and vision-based techniques such as Microsoft Kinect and Inertial Measurement Units (IMUs) are sophisticated and acceptable due to their efficiency and accuracy in real-time settings. Previous research has investigated the use of vision-based motion capture approach for biomechanical analysis. Some of the li...
Journal of Ergonomics
shahu shahu
Modular and Offsite Construction (MOC) Summit Proceedings
Hossein Abaeian
Despite increased levels of automation in manufacturing occupations in recent years, many activities are still performed through human intervention and involve Manual Material Handling (MMH), thus exposing workers to stress due to over-exertion and potential Work-Related Musculoskeletal Disorders (WRMSDs). An early ergonomic and physical demand assessment of work activities is critical to reducing exposure to risk and to maintaining desired levels of productivity. Biomechanics consists of applying concepts of static and dynamic equilibrium to different parts of the human musculoskeletal system using free-body diagrams to estimate muscle force and loads generated across the joints and tissues. System dynamics is a powerful tool applied in resolving complex problems with different influencing variables. This technique can help designers and managers to understand, evaluate and simulate the factors causing problems in the system. This paper presents the application of System Dynamics m...
International Journal of Industrial Ergonomics
Dr. Chika Mgbemena
Cecilia Berlin
Production ergonomics – the science and practice of designing industrial workplaces to optimize human well-being and system performance – is a complex challenge for a designer. Humans are a valuable and flexible resource in any system of creation, and as long as they stay healthy, alert and motivated, they perform well and also become more competent over time, which increases their value as a resource. However, if a system designer is not mindful or aware of the many threats to health and system performance that may emerge, the end result may include inefficiency, productivity losses, low working morale, injuries and sick-leave. To help budding system designers and production engineers tackle these design challenges holistically, this book offers a multi-faceted orientation in the prerequisites for healthy and effective human work. We will cover physical, cognitive and organizational aspects of ergonomics, and provide both the individual human perspective and that of groups and populations, ending up with a look at global challenges that require workplaces to become more socially and economically sustainable. This book is written to give you a warm welcome to the subject, and to provide a solid foundation for improving industrial workplaces to attract and retain healthy and productive staff in the long run.
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Musculoskeletal modelling of manual material handling in the supermarket sector
- Department of Health Science and Technology
- The Faculty of Medicine
Research output : PhD thesis
Bibliographical note
Access to document.
- 10.5278/vbn.phd.med.00133
- PHD_SLS_E-pdf Final published version, 2.17 MB
Research output
- 2 Journal article
Research output per year
Manual material handling in the supermarket sector. Part 1: Joint angles and muscle activity of trapezius descendens and erector spinae longissimus
Research output : Contribution to journal › Journal article › Research › peer-review
- Electromyography 100%
- Cross-Sectional Study 50%
- Musculoskeletal Disease 50%
- Handling Practices 25%
- Manual Handling Task 25%
Manual material handling in the supermarket sector. Part 2: Knee, spine and shoulder joint reaction forces
- Joint Reaction Force 100%
- Material Handling 100%
- Shear Force 33%
- Field Measurement 33%
T1 - Musculoskeletal modelling of manual material handling in the supermarket sector
AU - Skals, Sebastian Laigaard
N1 - PhD supervisor: Associate Prof. Mark de Zee, Aalborg University, Denmark Assistant PhD supervisors: Prof. Lars Louis Andersen, National Research Centre for the Working Environment, Denmark Associate Prof. Michael Skipper Andersen, Aalborg University, Denmark
U2 - 10.5278/vbn.phd.med.00133
DO - 10.5278/vbn.phd.med.00133
M3 - PhD thesis
T3 - Aalborg Universitet. Det Sundhedsvidenskabelige Fakultet. Ph.D.-Serien
PB - Aalborg Universitetsforlag
Finished Papers
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IMAGES
VIDEO
COMMENTS
The thesis supports that the two developed tools are usable in supporting risk assessments targeting musculoskeletal disorder risk factors related to industrial manual handling.
Introduction1 Manual material handling is the moving of objects unaided by mechanical devices. Manual material handling includes activities like pushing, pulling, carrying, lifting, and lowering. A study at Purdue University in 2008, shows, "manual material handling is a leading cause of occupational injuries".
This thesis consists of material all of which I authored or co-authored: see Statement of Contributions included in the thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public.
Doctoral Thesis (No. 2017:7) KTH Royal Institute of Technology . Technology and Health . Unit of Ergonomics . SE -141 57 Huddinge, Sweden . TRITA-STH Report 2017:7 . ISBN 978-91-7729-423-8 . ... manual handling, nonneutral postures and hand- -arm and whole-body vibrations is high in
• Injuries to the back, neck and shoulders account for about 2/3 of manual material handling claims. • The most commonly cited cause of injury was handling a container (25%). • Among WMSD claims where the injury type was specified, • 55% were attributed to lifting, • 17% were attributed to holding, carrying, turning and wielding,
Material Handling Systems (MHS) is the place to accomplish this goal, since they have a direct impact on production. Therefore, the aim of this study was to design an in-house MHS that could be efficient for the production it serves. With this intention, a case-study has been conducted in Bosch Rexroth Japan.
rials handling (Barker, 1989; Ibegbulem & Okorie, 2015). Thus, the optimal materials handling is a tool to opti-mize the efficiency of organization performance in terms of improving defective product reduction skills by facili-tating a shorter operating cycle, reducing handling costs, eliminating unproductive handling of materials, reducing
Team manual handling, a process still common in many jobs, can affect the safety and health of employees. A systematic review of the literature was conducted to identify the research gaps in this area for future studies. ... These results were obtained as part of a PhD thesis in ergonomics. The authors would like to appreciate the Vice ...
TY - GEN. T1 - Musculoskeletal modelling of manual material handling in the supermarket sector. AU - Skals, Sebastian Laigaard. N1 - PhD supervisor: Associate Prof. Mark de Zee, Aalborg University, Denmark Assistant PhD supervisors: Prof. Lars Louis Andersen, National Research Centre for the Working Environment, Denmark Associate Prof. Michael Skipper Andersen, Aalborg University, Denmark
Background. Healthcare practitioners routinely assist patients through manual handling across tasks including transferring from bed to chair, personal care tasks, repositioning or rolling in bed, and walking [1].Nursing staff, support workers, physiotherapists and occupational therapists are among the healthcare practitioners (HCPs) involved with assisting patients within healthcare [1], [2], [3].
each publication in the thesis, where the specific percentage of student contribution is noted. My contribution to the work is as follows: Thesis chapter Publication title Publication status Nature and extent of candidate's contribution 2 Debunking the manual handling myth: An investigation of manual handling knowledge and
The following faculty members have examined the final copy of this thesis for form and content, ... The use of manual handling is favored over robotics because of its low cost and high flexibility. When opposed to conducting the same operation with mechanical robots, MMH is distinctly advantageous in terms of maneuverability during quick and ...
Email: [email protected], [email protected]. In this paper, the development of an automated mechanical lift for material handling purposes in a manufacturing. environment was carried ...
Manual handling can result in fatigue, and lead to injuries of the back, neck, shoulders, arms or other body parts. Two groups of injuries may result from manual handling: Cuts, bruises, fractures etc, due to sudden, unexpected events such as. accidents.
Manual handling is an activity of transporting or supporting a load including lifting, pushing, pulling, carrying, throwing, and moving objects by hand or bodily force. It is a common practice in different industries such as manufacturing, construction, agriculture, and more.
of flexibility can be easily achieved through the use of manual assembly systems. Manual assembly lines are most common and conventional and still provide an attractive . and sufficient means production for products that require fewer production steps and _____ This thesis follows the style of . International Journal of Lean Six Sigma (IJLSS).
The impact of manual patient handling on work ability: A cross‐sectional study in a Brazilian hospital João Marcos Bernardes , 1 , 2 Melissa Spröesser Alonso , 1 Juan Gómez‐Salgado , 3 , 4 Carlos Ruiz‐Frutos , 3 , 4 Esperanza Begoña García‐Navarro , 5 , 6 and Adriano Dias 1 , 2
Questions regarding the format of theses/dissertations not adequately answered in this handbook should be directed to: Ofice of Graduate Education Georgia Institute of Technology 631 Cherry Street Savant Building, Suite 318 Atlanta, GA 30332-0215. 404.894.6811 [email protected]. Ofice hours: 8 a.m. to 4 p.m.
The warehouse layout referred to in this thesis includes input and output doors, receiving and outgoing areas, material handling equipment and the placement of articles in inventory. Although article placement is per definition a part of warehouse layout, it will be given extra emphasis in this thesis as it is one of NECG's most critical issues.
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