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    Individualized workplace ergonomics using motion capture
    (2024-01)
    Brosche, Justus
    ;
    Wackerle, Hannes
    ;
    Augat, Peter
    ;
    Lödding, Hermann
    Production workers suffer from musculoskeletal disorders (MSDs) due to excessive workloads that exceed the individual physical capabilities. In order to assess and subsequently reduce the risk to suffer from a MSD at a specific workplace, companies use ergonomic screening methods. However, the current approaches have two major downsides: Firstly, they do not take the individual worker and his/her capabilities into account. Applied thresholds for joint angles or physical loads are standard values that do not address physical limitations, such as age-related loss of flexibility or muscle strength. Secondly, the methods only provide a risk assessment that indicates which workplaces and/or working postures are ergonomically hazardous. Necessary workplace improvements are decoupled from the results and require extensive ergonomic knowledge. This paper presents a method that uses an individualized ergonomics analysis to improve workplaces according to individual needs and helps the industrial engineer to find necessary workplace improvements.
    Publicationtype: Journal Article
      33
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    Item type:Publication, Access status: with files ,
    Nutzung von Motion-Capture-Technologien zur individuellen Ergonomieanalyse in der Produktion
    (2023)
    Brosche, Justus
    ;
    Lödding, Hermann
    Musculoskeletal disorders are the main cause of sick leave in the manufacturing sector. One reason for this is that companies do not sufficiently consider the individual characteristics and capabilities of employees when designing their work. This dissertation presents a method for an individual ergonomics analysis in manufacturing. The method records worker capabilities and the individual strain at the workplace with the help of a motion capture system. The individual assessment helps companies find targeted workplace improvement measures.
    Publicationtype: Doctoral Thesis
      142  356
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      73
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    Creating a worker-individual physical ability profile using a low-cost depth camera
    (Technische Informationsbibliothek Hannover (TIB), 2020-03)
    Brosche, Justus
    ;
    Wackerle, Hannes
    ;
    Lödding, Hermann
    Assembly workers suffer from long-term damage performing physically intensive tasks due to workstations that are not ergonomically designed for the individual’s needs. Current approaches towards ergonomic improvements of workstations only assess the workstations themselves without taking the individual worker and abilities into account. Therefore, physical limitations, such as age-related loss of range of motion, are not addressed. Work-induced long-term damages result in employee absences, especially of workers close to their pension. Regarding the demographic change, this issue will be even more prevalent in the future. The current approaches, like the functional capacity evaluation, allow movement analysis of individuals, but are too time-consuming to be performed on all workers of a production site. This paper presents a method to assess the individual ability of a worker using a low-cost depth camera with full body tracking to determine the angles between body segments. A set of ergonomic exercises is used to demonstrate relevant abilities for assembly and commissioning tasks. By capturing the motion sequence of these exercises, a physical ability profile can be created with little effort.
    Publicationtype: Conference Paper
      59  126