Sökning: "Pontus Johansson"

Visar resultat 1 - 5 av 10 avhandlingar innehållade orden Pontus Johansson.

1. 1. Tribology of carbon fiber reinforced PTFE composites in dry gas environments

   Författare :Pontus Johansson; Pär Marklund; Marcus Björling; Yijun Shi; Stephen Kukureka; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Elements; Maskinelement;

   Sammanfattning : With hydrogen being one of the key pillars of decarbonization, the reliability and efficiency of hydrogen applications become increasingly important. In applications such as oil-free reciprocating hydrogen compressors and Stirling engines, the self-lubricating pistonrings and other dynamic seals are critical components in terms of efficiency, service life and proper functioning. LÄS MER

3. 2. Tribology of Carbon Fiber Reinforced PTFE Composites in Trace Moisture Environment

   Författare :Pontus Johansson; Pär Marklund; Jan Ukonsaari; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Elements; Maskinelement;

   Sammanfattning : .... LÄS MER

4. 3. Adapting manufacturing strategy to industrial after-sales service operations

   Författare :Pontus Johansson; Jan Olhager; Sergio Cavalieri; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Manufacturing strategy; Operations strategy; Service operations; Industrial engineering and economy; Industriell teknik och ekonomi;

   Sammanfattning : This dissertation is initiated from an increased awareness within industry of the importance of services in general and of after-sales services in particular. The scope of this research is to analyse how the specific characteristics of after-sales services affect a company’s manufacturing strategy, which in effect should become an operations strategy not only considering the manufacturing of goods. LÄS MER

5. 4. Design and Development of Recommender Dialogue Systems

   Författare :Pontus Johansson; Arne Jönsson; Lars Degerstedt; Linköpings universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Multimodal; PGP; information-providing; dialogue systems; multimodality; Computer science; Datavetenskap;

   Sammanfattning : The work in this thesis addresses design and development of multimodal dialogue recommender systems for the home context-of-use. In the design part, two investigations on multimodal recommendation dialogue interaction in the home context are reported on. LÄS MER

7. 5. Manufacturing strategy perspectives on industrial services

   Författare :Pontus Johansson; Linköpings universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Manufacturing strategy; Industrial service; After-sales service;

   Sammanfattning : The service sector is in most western countries dominating the gross domestic product, often with a share of over 70 %. This is also reflected in manufacturing companies, whose products have gone from being pure goods to contain more and more service characteristics. LÄS MER