Sökning: "Ulf Sellgren"

Visar resultat 16 - 19 av 19 avhandlingar innehållade orden Ulf Sellgren.

1. 16. On forestry machine and soil interaction for sustainable forestry

   Författare :Abdurasul Pirnazarov; Ulf Sellgren; Kjell Andersson; Iwan Wästerlund; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine Design; Maskinkonstruktion;

   Sammanfattning : More than 50 percent of the land area of the Nordic countries Finland, Norway, and Sweden are covered by dense forests and they are among the most important producers of forest products in the world. Forestry in these countries is based on sustainable management principles – reforestation follows harvesting. LÄS MER

3. 17. A methodology for situated and effective design of haptic devices

   Författare :Xuan Sun; Kjell Andersson; Ulf Sellgren; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Design optimization; haptic devices; metamodel; multi-criteria; situatedness; Machine Design; Maskinkonstruktion;

   Sammanfattning : The realism of virtual surgery through a surgical simulator depends largely on the precision and reliability of the haptic device. The quality of perception depends on the design of the haptic device, which presents a complex design task due to the multi-criteria and conflicting character of the functional and performance requirements. LÄS MER

4. 18. On integrated modularization for situated product configuration

   Författare :David Williamsson; Ulf Sellgren; Johan Malmqvist; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Modularization; Product Description; Module; Product Structure; Product Architecture; Cyber-Physical System; Machine Design; Maskinkonstruktion;

   Sammanfattning : Road transports face increasing societal challenges with respect to emissions, safety, and traffic congestion, as well as business challenges. Truck automation, e.g. self-driving trucks may be utilized to address some of these issues. LÄS MER

5. 19. On integrated modularization in heavy-duty truck architecting

   Författare :David Williamsson; Ulf Sellgren; Anders Söderberg; Johan Malmqvist; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Modularization; Module; Product Architecture; Cyber-Physical System; Machine Design; Maskinkonstruktion;

   Sammanfattning : Road transports face increasing challenges with respect to safety, legislations on lower emissions and traffic congestion, as well as numerous business challenges related to paradigm shifts in technology, tightened delivery times and cost constraints. Combination of truck electrification and automation may be utilized to address some of these issues. LÄS MER