Sökning: "semi-active damper"

Hittade 3 avhandlingar innehållade orden semi-active damper.

  1. 1. MODELING AND OPTIMIZATION OF WASHING MACHINE VIBRATION DYNAMICS DURING SPINNING

    Författare :Thomas Nygårds; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Semi-active control; Vibration dynamics; Experiment; Washing machine; Modeling; Optimization; Magnetorheological damper.; Suspension system; Spinning;

    Sammanfattning : A washing machine as a product is familiar to almost everyone in all developed countries. Thisthesis deals with the dynamics of modern washing machines of household type. LÄS MER

  3. 2. Advances In Heavy Vehicle Dynamics with Focus on Engine Mounts and Individual Front Suspension

    Författare :Hoda Yarmohamadi; 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; vibration isolation; semi-active damper; handling; heavy vehicle; individual front suspension; nonlinear dynamic stiffness and damping; kinematics; adaptronic mounting system; engine mount; comfort;

    Sammanfattning : The main objective of the research presented in this thesis is to enhance driver comfort and handling of a heavy truck that in turn leads to better vehicle safety and stability. The focus has been put on studying two suspension systems of the truck, engine and front axle suspensions, due to their significant impact on the dynamic performance of the vehicle. LÄS MER

  4. 3. Washing Machine Design Optimization Based on Dynamics Modeling

    Författare :Thomas Nygårds; 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; Experiments; Multiobjective Optimization; Modeling; Vibration dynamics; Washing machine; Suspensions; Semi-active control.; Automatic balancing;

    Sammanfattning : The spinning process in a washing machine is a source of undesired vibrations and noise and may cause discomfort both to the user as well as for the machine itself due to vibrations which have impact on system lifetime, reliability of operation and capacity.The aim of this thesis is to develop mathematical and computational models of a washing machine of modern type and use these models for dynamics analysis and in optimization routines to make improvements of the machine mechanical design. LÄS MER