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  • 1.
    Niemand, Ponthus
    et al.
    Halmstad University, School of Business, Engineering and Science.
    Saladdin, Aya
    Halmstad University, School of Business, Engineering and Science.
    Management of ergonomic aspects in early design phases using virtual reality: Mapping of ergonomic aspects in early design phases, How would mordern technology like VR be used?2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Volvo Group is one of the Worlds leading manufacturer in the categories trucks, busses, construction equipment and engines for the marine and industrial applications. Volvo Group consist of many different brands 10 in total, these are: Volvo Trucks, UD Trucks, Renault Trucks, Mack Trucks, Group Trucks Asia & JVs, Volvo Construction Equipment, Volvo Bus, Volvo Penta, Volvo Financial Services and Governmental Sales. The initiative for the project came from Method and Process Development within Volvo Trucks Tuve Plant, department at Volvo Group Trucks Operations (GTO), which is the part of Volvo Group performing the actual production of the trucks.

    Volvo GTO is located worldwide in several different countries, which leads to different work processes. To standardize a method where the designer (component owner) together with the geometry architect can make a first ergonomics analysis of the concerned component. To make this possible, the project presented a manual on how the component owner should proceed to obtain as good and correct analysis of ergonomics as possible.

    This bachelor thesis makes suggestions for how VR would be helpful in the design phase as an evaluation tool during development of a new product/component or whether improvements should be made to an existing component. The thesis has focused mostly on how the designer and geometry architect can evaluate the ergonomics aspects with VR as a help, already in the design phase.

    The project has investigated two user cases. One of them is presented in this report. This applies to the installation of heat shield, the reason that this particular assembly was chosen is due to its poor ergonomics and accessibility. The project chose to do a RULA-analysis and PLIBEL-analysis. The RULA analysis gave a high total score, 7 out of 7, while PLIBEL was an analysis at the workplace. Both proved to be a good basis for continued work. 

    The study shows that VR is a great tool for analysis of the ergonomics aspects in early design phase. It gives relevant results and has the potential for savings in resources and cost in product development process.

    To improve the results of the thesis, there have been visits on ESI-Group which has sponsored the thesis in the form of VR equipment and workshop. This gave the project members an insight into the possibilities of VR.

  • 2.
    Persson, Lukas
    et al.
    Halmstad University.
    Norén, Johan
    HållRätt: -Hjälp dig hjälpa dig själv Utveckling av ett hållningshjälpmedel för vardagligt bruk2016Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Society is becoming increasingly digitalized and we spend more and more of awake hours infront electronics, both at home and at work. Our bodies, made for being resilient hunters, are not suited for sitting still an entire day. The static work exhausts the muscles and makes it hard to maintain a correct posture throughout the day, enough time in static positions may result in both interior and exterior damages to the body. The main purposes with the project is to increase the awareness of what horrible consequences that may occur when the body is being exposed to an unhealthy posture, also develop a prototype for a product that will guide the user on the road of getting a better default posture.The product we have developed is primarily aimed at companies, which it will be able to offer their employees a better shot at a healthier life, which will result in reduced number of sick leaves for the companies. We, Johan Norén and Lukas Persson, has in our thesis, HållRätt, developed a prototype for a product that will assist you by encouraging you to improve your posture reduce your chances of getting unwanted injuries. The product is a wearable accessory that will be undetectable by your surroundings, unless you choose to wear over your clothes. The product will be a combination of a helper and personal trainer who will guide the user on the way to a better posture and thus better health and a fuller life.

  • 3.
    Salomonsson, Angelica
    Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS), Biomechanics and Biomedicine.
    Utveckling av medicintekniskt instrument för mätning av muskelstyrka2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Detta examensarbete inom biomekanik var ett produktutvecklingsprojekt av ett medicintekniskt instrument för mätning av statisk muskelstyrka i lårmuskulaturen (quadriceps). Instrumentet utvecklades med utgångspunkt från instrumentet Stig Starke som blivit föråldrat och förfallet. Stig Starke nyttjas främst av sjukgymnaster på Sahlgrenska universitetssjukhuset med syfte att exempelvis utvärdera effekter av sjukgymnastisk behandling. Behovet av en ny version av instrumentet är stort både inom kliniskt arbete och inom forskning. En ny version av instrumentet skulle hjälpa sjukgymnaster och forskare till att kunna fortsätta mäta muskelstyrkan i quadriceps på ett snabbt och enkelt sätt.

    Syftet och målsättningen med detta examensarbete var att utveckla Stig Starke-instrumentet så att mätningar av maximal statisk styrka i lårmuskulaturen (quadriceps), i enheten Newton, kan göras på patienter inom sjukvård och rehabilitering. En problemanalys i form av Workshop gjordes hos användarna på Sahlgrenska universitetssjukhuset. Problemanalysen tillsammans med en förstudie lade grunden för koncept i form av krav och önskemål till nya versionen av instrumentet. Önskemål på användarvänlighet av instrumentet och standardisering av patientens kroppsposition stod högt i prioritering.

    Via dynamisk produktutveckling och biomekaniska metoder där användarna (sjukgymnasterna) var i fokus kunde ett koncept väljas ut och tillverkas till en funktionell prototyp. Sex nyckelord för arbetet är quadriceps, muskelkraft, instrument, antropometri, användarvänlighet och standardisering. Funktionella prototypen visade via produktutvärdering att goda utvecklingsmöjligheter finns för den nya versionen, då den visade på hög användarvänlighet och standardisering. Behovet av en ny version av instrumentet kommer att finnas kvar tills ett likvärdigt instrument som Stig Starke kan tillämpas i verkligheten. 

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