A general analytic approach for Santos™ upper extremity workspace

Yang, James; Sinokrot, Tariq; Abdel‐Malek, Karim

doi:10.1016/j.cie.2007.07.008

Cited by 12 publications

(7 citation statements)

References 22 publications

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“…This can be resolved by vanishing all determinants of the Jacobian. Many studies have been conducted on this fundamental problem for series manipulators [7][8][9][10][11][12][13]. However, their results did not propose any general resolution.…”

Section: Introductionmentioning

confidence: 89%

A geometrical alternative to Jacobian rank deficiency method for planar workspace characterisation

Bastien

Legreneur

Monteil

2010

Mechanism and Machine Theory

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Section: Introductionmentioning

confidence: 89%

A geometrical alternative to Jacobian rank deficiency method for planar workspace characterisation

Bastien

Legreneur

Monteil

2010

Mechanism and Machine Theory

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“…Additional tools include integration of common exposure assessment and task evaluation methods used in ergonomics practice, such as the NIOSH Lifting Equation (Waters, Putz-Anderson, Garg, & Fine, 1993) and Liberty Mutual material handling tables (Snook & Ciriello, 1991). Studies describing the development and validation of the SantosHuman DHM products may be found elsewhere (Abdel-Malek, Yang, et al, 2006; Frey-Law et al, 2010, 2012; Kim, Abdel-Malek, Yang, & Marler, 2006; Marler, Arora, Yang, Kim, & Abdel-Malek, 2009; Marler, Rahmatalla, Shanahan, & Abdel-Malek, 2005; Xiang, Arora, & Abdel-Malek, 2012; Yang, Kim, et al., 2007; Yang, Marler, Beck, Abdel-Malek, & Kim, 2006; Yang, Sinokrot, & Abdel-Malek, 2008).…”

Section: Methodsmentioning

confidence: 99%

Digital Human Modeling in the Occupational Safety and Health Process: An Application in Manufacturing

Schall

Fethke

Roemig

2018

IISE Transactions on Occupational Ergonomics and Human Factors

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Occupational Applications Digital human modeling (DHM) and simulation software has been identified as an effective tool for evaluating work tasks and design alternatives without requiring the expense of physical mock-ups and production trials. Despite recent commercial advancements and a broader availability of DHM platforms, the peer-reviewed scientific literature lacks sufficient demonstration of the application of DHM software within an occupational safety and health process for mitigating exposures to physical risk factors in a real work environment. We describe the implementation of a commercially-available DHM platform as a component of an occupational safety and health process in a manufacturing environment over the course of one year. Success stories, challenges, and practical recommendations are discussed.

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“…In spite of its drawbacks regarding operability, there exists a wide range of digital human model programs, as stated by Mühlstedt et al [21]; they all offer an exocentric view on the manufacturing task. The main focus of these virtual human simulation programs is to analyze human postures and to determine the workplace, as described by Yang et al [30]. Furthermore, these programs should assess the visibility and accessibility of an operation as stated by Chedmail et al [8] or evaluate postures as stated by Bubb et al [4].…”

Section: Related Workmentioning

confidence: 99%

A VR-based approach in conducting MTM for manual workplaces

Gorobets

Holzwarth

Hirt

et al. 2021

Int J Adv Manuf Technol

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Due to current trends in the manufacturing industry, such as mass customization, manual operations contribute drastically to the overall costs of a product. Methods-Time-Measurement (MTM) identifies the optimization potential of manual workplaces, which significantly influences a worker’s productivity. However, traditional MTM requires great efforts to observe and transcribe manual assembly processes. Yet, various digital approaches exist that facilitate MTM analyses. While most of these approaches require the existence of real workplaces or cardboard mock-ups, it would be beneficial to conduct a virtual MTM in earlier phases of production planning. However, the quality of virtual MTM analyses compared to traditional MTM conducted in reality has not been assessed yet. This paper is addressing it by conducting a comparative user study with 21 participants completing the same task both at a real and virtual workplace, which they access via virtual reality technology. Our results show that participants’ MTM-2 values achieved at the VR workplace are comparable to those at the real workplace. However, time study data reveals that participants moved considerably slower in VR and thus needed more time to accomplish the task. Consequently, for the measurement of manual work in VR, it is even necessary to utilize predetermined times, such as MTM-2 since time study data is insufficient. This paper also serves as a proof of concept for future studies, investigating automated transcription systems that would further decrease the efforts conducting MTM analyses.

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A general analytic approach for Santos™ upper extremity workspace

Cited by 12 publications

References 22 publications

A geometrical alternative to Jacobian rank deficiency method for planar workspace characterisation

A geometrical alternative to Jacobian rank deficiency method for planar workspace characterisation

Digital Human Modeling in the Occupational Safety and Health Process: An Application in Manufacturing

A VR-based approach in conducting MTM for manual workplaces

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