Sökning: "vehicle industry"

Visar resultat 16 - 20 av 250 avhandlingar innehållade orden vehicle industry.

  1. 16. On Noise Generation and Dynamic Transmission Error of Gears

    Författare :Mats Henriksson; Leping Feng; Reader Andy Moorhouse; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Vehicle engineering; Farkostteknik; Acoustics; Akustik;

    Sammanfattning : Noise from heavy trucks is an important environmental issue. Several sources contribute to the total noise level of a vehicle, such as the engine, gearbox, tires, etc. The tonal noise from the gearbox can be very disturbing for the driver, even if the noise level from the gearbox is lower than the total noise level. LÄS MER

  3. 17. On an Efficient Method fo Time-Domain Computational Aeroelasticity

    Författare :David Eller; Ulf Ringertz; Paolo Mantegazza; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; aeroelasticity; unsteady aerodynamics; boundary element method; multidisciplinary simulation; Vehicle engineering; Farkostteknik;

    Sammanfattning : The present thesis summarizes work on developing a method for unsteady aerodynamic analysis primarily for aeroelastic simulations. In contrast to widely used prediction tools based on frequency-domain representations, the current approach aims to provide a time-domain simulation capability which can be readily integrated with possibly nonlinear structural and control system models. LÄS MER

  4. 18. Older car drivers - Needs of vehicle support for safe individual mobility

    Författare :Thomas K Broberg; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Elderly driver; Collision avoidance; Older driver; On-road assessment; ADAS; Driver attitudes; Active Safety; Driver assist; Driver behaviour;

    Sammanfattning : As the demographic is changing with the growth of the population of older citizens, concerns have been raised for this group in terms of mobility as well as traffic safety. In this context the automobile is an important means of transport. LÄS MER

  5. 19. Squeak and Rattle Prediction for Robust Product Development in the automotive industry

    Författare :Mohsen Bayani; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; structural dynamics; finite element analysis; product development; squeak and rattle; sound quality; simulation;

    Sammanfattning : Squeak and rattle are nonstationary, irregular, and impulsive sounds that are audible inside the car cabin. For decades, customer complaints about squeak and rattle have been, and still are, among the top quality issues in the automotive industry. LÄS MER

  7. 20. On motion resistance estimation and modeling for heterogeneous road vehicles

    Författare :Mikael Askerdal; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; road vehicles; motion resistance; passenger cars.; Range estimation; commercial heavy vehicle combinations; rolling resistance; air resistance; state estimation;

    Sammanfattning : Climate change is driving the development of CO2 reducing technologies within the transportation industry. One of the most promising technologies is battery electric vehicles. LÄS MER