Essays about: "Henrik Berggren"

Found 2 essays containing the words Henrik Berggren.

  1. 1. Topic Modeling for Customer Insights : A Comparative Analysis of LDA and BERTopic in Categorizing Customer Calls

    University essay from Umeå universitet/Institutionen för matematik och matematisk statistik

    Author : Henrik Axelborn; John Berggren; [2023]
    Keywords : Customer Insights; Natural Language Processing; Topic Modeling; Latent Dirichlet Allocation; BERTopic;

    Abstract : Customer calls serve as a valuable source of feedback for financial service providers, potentially containing a wealth of unexplored insights into customer questions and concerns. However, these call data are typically unstructured and challenging to analyze effectively. READ MORE

  3. 2. UKF and EKF with time dependent measurement and model uncertainties for state estimation in heavy duty diesel engines

    University essay from Fordonssystem

    Author : Henrik Berggren; Martin Melin; [2011]
    Keywords : kalman filtering; sensor fusion; signal processing;

    Abstract : The continuous challenge to decrease emissions, sensor costs and fuel consumption in diesel engines is battled in this thesis. To reach higher goals in engine efficiency and environmental sustainability the prediction of engine states is essential due to their importance in engine control and diagnosis. READ MORE