Sökning: "Juan camilo"

Hittade 5 uppsatser innehållade orden Juan camilo.

  1. 1. Identification and quantification of concrete cracks using image analysis and machine learning

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :JUAN CAMILO AVENDAÑO; [2020]
    Nyckelord :Unmanned Aerial Vehicle; UAV; Convolutional Neural Network; CNN; Crack quantification; Bridge inspection.;

    Sammanfattning : Nowadays inspections of civil engineering structures are performed manually at close range to be able to assess damages. This requires specialized equipment that tends to be expensive and to produce closure of the bridge. Furthermore, manual inspections are time-consuming and can often be a source or risk for the inspectors. LÄS MER

  3. 2. The relation between age at first birth and complete fertility

    Master-uppsats, Lunds universitet/Ekonomisk-historiska institutionen

    Författare :Juan Camilo Medina; [2019]
    Nyckelord :postponement fertility; Business and Economics;

    Sammanfattning : Transition to later childbearing regimes is a distinct feature of nations in the developed world. Simultaneously, the overall continuation of the declines in fertility experienced by several European nations motivated the study of the relation between postponement and complete fertility. LÄS MER

  4. 3. Development of a Class D motor amplifier for a next-generation mechanism control electronics

    Master-uppsats, Luleå tekniska universitet/Rymdteknik

    Författare :Juan Camilo Garcia Hernandez; [2016]
    Nyckelord :Power; electronics; satellites; BLDC; sinusoidal; commutation; control; PID; class D amplifier; PWM;

    Sammanfattning : This thesis was written at Airbus DS GmbH in Friedrichshafen, Germany, as part of a project which aims to develop a new generation of class-D power amplification circuits for sinusoidal commutating motors controlling the movement of different mechanisms in satellites. Currently used topologies have disadvantages such as high power loss, analog controlling and high degree of signal distortion. LÄS MER

  5. 4. Family size and short term educational attainment in Colombia

    Magister-uppsats, Lunds universitet/Ekonomisk-historiska institutionen

    Författare :Juan Camilo Medina; [2016]
    Nyckelord :Social Sciences;

    Sammanfattning : Family related chracteristics are important determinants of individual outcomes. Also, fertility is a process closely related to development. As part of a body of literature investigating the effect of family size on schooling, this study develops an estimation using data for Colombia during 2010 to 2013. LÄS MER

  7. 5. A Descriptive Study of Portfolio Management within the Context of New Venture Projects : A New Insight for Business Incubators and Venture Capital Firms in Sweden

    Master-uppsats, Handelshögskolan vid Umeå universitet

    Författare :Carlos Julio Centeno Burbano; Juan Camilo Arbeláez Zapata; [2011]
    Nyckelord :New venture projects; project portfolio management; business incubators; venture capital firms;

    Sammanfattning : New Ventures projects emerge in response to the growing need of countries to develop and grow economically in an environment characterized by rapid changes. The importance of these projects is such that during the last decades they have played a role not only as drivers of the economy but also as sources of new jobs and innovation (Chen, 2009). LÄS MER