Formal Modelling of Manual Work Processes for the Application of Industrial Service Robotics

Hengstebeck, André; Weisner, Kirsten; Klöckner, Maike; Deuse, Jochen; Kuhlenkoetter, Bernd; Roßmann, Jürgen

doi:10.1016/j.procir.2015.12.013

Cited by 14 publications

(9 citation statements)

References 8 publications

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“…As opposed to that, ADL confront the daily prosthetic arm user with a complex range of non-formalized [ 58 , 59 ] manifestations of cultural artifacts (e.g. [ 60 , 61 ]; “endless variations” [ 62 ]; “(..) designs things that are easily and inexpensively manufactured” [ 63 ]).…”

Section: Forensic Medicine As a Work Environmentmentioning

confidence: 99%

Case-study of a user-driven prosthetic arm design: bionic hand versus customized body-powered technology in a highly demanding work environment

Schweitzer

Thali

Egger

2018

J NeuroEngineering Rehabil

113

124

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BackgroundProsthetic arm research predominantly focuses on “bionic” but not body-powered arms. However, any research orientation along user needs requires sufficiently precise workplace specifications and sufficiently hard testing. Forensic medicine is a demanding environment, also physically, also for non-disabled people, on several dimensions (e.g., distances, weights, size, temperature, time).MethodsAs unilateral below elbow amputee user, the first author is in a unique position to provide direct comparison of a “bionic” myoelectric iLimb Revolution (Touch Bionics) and a customized body-powered arm which contains a number of new developments initiated or developed by the user: (1) quick lock steel wrist unit; (2) cable mount modification; (3) cast shape modeled shoulder anchor; (4) suspension with a soft double layer liner (Ohio Willowwood) and tube gauze (Molnlycke) combination. The iLimb is mounted on an epoxy socket; a lanyard fixed liner (Ohio Willowwood) contains magnetic electrodes (Liberating Technologies). An on the job usage of five years was supplemented with dedicated and focused intensive two-week use tests at work for both systems.ResultsThe side-by-side comparison showed that the customized body-powered arm provides reliable, comfortable, effective, powerful as well as subtle service with minimal maintenance; most notably, grip reliability, grip force regulation, grip performance, center of balance, component wear down, sweat/temperature independence and skin state are good whereas the iLimb system exhibited a number of relevant serious constraints.ConclusionsResearch and development of functional prostheses may want to focus on body-powered technology as it already performs on manually demanding and heavy jobs whereas eliminating myoelectric technology’s constraints seems out of reach. Relevant testing could be developed to help expediting this. This is relevant as Swiss disability insurance specifically supports prostheses that enable actual work integration. Myoelectric and cosmetic arm improvement may benefit from a less forgiving focus on perfecting anthropomorphic appearance.

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Section: Forensic Medicine As a Work Environmentmentioning

confidence: 99%

Case-study of a user-driven prosthetic arm design: bionic hand versus customized body-powered technology in a highly demanding work environment

Schweitzer

Thali

Egger

2018

J NeuroEngineering Rehabil

113

124

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“…Methods-Time Measurement (MTM) is considered a method that uses the evaluation of times and motions, initially implemented in the 1940s at the Westinghouse company, located in the city of Pittsburgh in the United States, by engineers Harold Bright Maynard, John Lenhard Schwab, and Gustave James Stegemerten [29,30].…”

Section: Ii2 Methods-time Measurementmentioning

confidence: 99%

“…According to [30], it is not necessary to measure the time of the man as the operator, as there are corresponding times for each movement to be performed, that is, the chronometer becomes obsolete for the evaluation of time and movement. In parallel with the advance in the use of MTM in organizations, the MTM Association was created, developing some ramifications such as [30,32]:…”

Section: Ii2 Methods-time Measurementmentioning

confidence: 99%

Application of methods-time measurement as a tool to improve productivity in a beauty salon

Lopes

Souza

Pierre

et al. 2022

ITEGAM

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The Methods-Time Measurement (MTM) tool has been gaining ground for offering costeffective solutions for products/services, focusing on time reduction and wastage elimination. Aiming at the optimization of operations, this research aimed to evaluate the operational results from the MTM tool in a medium-sized beauty salon in the Tianguá-CE city. To carry out the study, the services provided by the salon were evaluated to verify the one that was most relevant, highlighting the services of manicure and pedicure. In these services, a diagnosis of the current scenario was carried out, and MTM were applied to identify opportunities for their optimization. After obtaining the results and analyzing them, it was possible to reduce unnecessary activities by 54.61% in the pedicure service and 62.57% in the manicure service, resulting in more agile, efficient, and low-cost services. In addition to reducing unnecessary activities, this improvement was possible through the standardization of the other activities that make up the service and the reorganization of the layout. Therefore, it is concluded that the application of the MTM provided gains in productivity and in the quality of the service provided, as there was a reduction in waste and greater agility in the service.

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“…The shortening product lifecycles [30,32] and the increasing concerns regarding the sustainability of the current disassembling processes impose a higher degree of flexibility. In addition, the ageing of the workforce in industrialized countries [33,34] is of particular importance, resulting in a new role for the human operator in the recycling facility, from machine operator to flexible problem solver and commanding collaborative robots for specific tasks.…”

Section: Proposal Of a Disassembly Process Using Collaborative Robotsmentioning

confidence: 99%

WEEE Recycling and Circular Economy Assisted by Collaborative Robots

2020

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Considering the amount of waste of electrical and electronic equipment (WEEE) generated each year at an increasing rate, it is of crucial importance to develop circular economy solutions that prioritize reuse and recycling, as well as reducing the amount of waste that is disposed of at landfills. This paper analyses the evolution of the amount of WEEE collection and its recycling rate at the national and European levels. It also describes the regulatory framework and possible future government policy measures to foster a circular economy. Furthermore, it identifies the different parts and materials that can be recovered from the recycling process with a special emphasis on plastics. Finally, it describes a recycling line that has been designed for the dismantling of computer cathodic ray tubes (CRT)s that combines an innovative participation of people and collaborative robots which has led to an effective and efficient material recovery solution. The key issue of this human–robot collaboration relies on only assigning tasks that require human skills to operators and sending all other tasks to robots. The first results from the model show a better economic performance than current manual processes, mainly regarding the higher degree of separation of recovered materials and plastic in particular, thus reaching higher revenues. This collaboration also brings considerable additional benefits for the environment, through a higher recovery rate in weight and for workers, who can make intelligent decisions in the factory and enjoy a safer working environment by avoiding the most dangerous tasks.

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Formal Modelling of Manual Work Processes for the Application of Industrial Service Robotics

Cited by 14 publications

References 8 publications

Case-study of a user-driven prosthetic arm design: bionic hand versus customized body-powered technology in a highly demanding work environment

Case-study of a user-driven prosthetic arm design: bionic hand versus customized body-powered technology in a highly demanding work environment

Application of methods-time measurement as a tool to improve productivity in a beauty salon

WEEE Recycling and Circular Economy Assisted by Collaborative Robots

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