Essays about: "modal parameters"

Showing result 6 - 10 of 59 essays containing the words modal parameters.

  1. 6. Dynamic Performance of a Tall Building to Earthquake Loading : Finding the optimum mass and stiffness

    University essay from KTH/Bro- och stålbyggnad

    Author : Andrés Alonso San Segundo; [2022]
    Keywords : ;

    Abstract : With the increasing cost of land, the development of ultra-high performance concrete, and the technological advancements in equipment and machinery, we are able to construct and refurbish skyscrapers like never before. How they are built, what materials they use, or what structural system defines them, all affect their dynamic response, which in the end is the combination of the stiffness and mass, two key parameters in engineering of tall buildings. READ MORE

  3. 7. Predicting Location-Dependent Structural Dynamics Using Machine Learning

    University essay from KTH/Industriell produktion

    Author : Markus Zink; [2022]
    Keywords : machine learning; artificial intelligence; gradient boosting; LightGBM; multilayer perceptron; prediction; chatter; vibration; structural dynamics; modal parameters; machine tool; tool centre point; work envelope;

    Abstract : Machining chatter is an undesirable phenomenon of material removal processes and hardly to control or avoid. Its occurrence and extent essentially depend onthe kinematic, which alters with the position of the Tool Centre Point, of the machine tool. READ MORE

  4. 8. Extraction of Loudspeaker- and room impulse responses under overlapping conditions

    University essay from Uppsala universitet/Signaler och system

    Author : Felix Gustafsson; [2022]
    Keywords : Signal processing; Optimization; Acoustics; Dereverberation; Sparse deconvolution; Multipath propagation;

    Abstract : A loudspeaker is often considered to be a Linear Time Invariant (LTI) system, which can be completely categorized by its impulse response. What sets loudspeakers apart from other LTI-systems is the acoustical aspect including echoes, which makes it a lot harder to take accurate noise free measurements compared to other LTI-systems such as a simple RC circuit. READ MORE

  5. 9. Attenuation of bending waves in cross-laminated timber panels by using constrained damping layer

    University essay from Luleå tekniska universitet/Träteknik

    Author : Konrad Boeske; [2021]
    Keywords : Wood technology; damping; CLT; acoustic; low frequencies; AkuTimber;

    Abstract : Multi-storey wooden buildings become more and more popular. As the new housing solutions are more accessible, acoustical inconveniences of wooden buildings become actual as never before. Wood, thanks to its high stiffness and low mass, allows to erect buildings at impressive pace, albeit cannot damp low frequency noises efficiently. READ MORE

  6. 10. Instability of a bi-directional TiFGAN in unsupervised speech representation learning

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Matthaios Stylianidis; [2021]
    Keywords : ;

    Abstract : A major challenge in the application of machine learning in the speech domain is the unavailability of annotated data. Supervised machine learning techniques are highly dependent on the amount of labelled data and the quality of the labels. READ MORE