Modulbaserad arkitektur av lyftutrustning med tillbehör
2017 (Swedish)Independent thesis Basic level (professional degree), 10 credits / 15 HE credits
Student thesisAlternative title
Modular architecture for lifting equipment and accessories (English)
Abstract [en]
The battery pack that supplies the cars’ electric motor with energy is, on a regular basis, assembled and disassembled to the cars chassis. A product that can aid this procedure is required. The current practice does not satisfy all the customer needs that exist when the battery pack is handled. The identification of such needs and requirements are done by study visits at NEVS (National Electric Vehicle Sweden), study visits and benchmarking at competitors’, market research and questionnaires targeted to NEVS’ staff. During the initial identification of customer needs, more potential customers are discovered, both in the production department and in the aftermarket. As a result, customer needs increase and, in some cases, they are conflicting. Modularization is a method that enables update and variation to a product’s features without being locked into a singular product solution. The main identified customer need is positioning of a battery pack. The positioning is divided into sub-functions, which enables identification of potential modules. From these modules several concept ideas are generated. Parallel with the concept generation, European standards for machines are used to mitigate risks that invariably arise during product operation. Employing matrices, the concept suggestions for the various modules are screened according to a wide array of criteria. The conditions for combining module concepts with each other are analyzed. To minimize the risk of patent infringement, an investigation is performed with the help of the Swedish patent database. Based on the selected concepts, CAD (Computer Aided Design) models are created using Siemens NX 9. Models with critical functions are structurally analyzed by FEA (Finite Element Analysis) in ANSYS Workbench 17.2. The design work is an iterative process and when the models finally are optimized, prototype drawings are created. The drawings are sent to mechanical workshops for cost estimates. As a result, the objective of the project is met; a prototype to facilitate management of a 500 kg battery pack has been realized.
Place, publisher, year, edition, pages
2017. , p. 35
Keywords [en]
Electronic motors, electric vehicles
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:hv:diva-11639Local ID: EXM502OAI: oai:DiVA.org:hv-11639DiVA, id: diva2:1144009
Subject / course
Mechanical engineering
Educational program
Maskiningenjör
Supervisors
Examiners
2017-10-022017-09-252017-10-02Bibliographically approved