Sökning: "Measurement instruments"

Visar resultat 1 - 5 av 160 avhandlingar innehållade orden Measurement instruments.

  1. 1. Precision measurement instruments for machinery's mechanical compliance: design and operation : Measurement instruments for physics-based calibration of advanced manufacturing machinery

    Författare :Nikolas Alexander Theissen; Andreas Archenti; Alexander Slocum; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Measurement instruments; Machine tools; Industrial robots; Production Engineering; Industriell produktion;

    Sammanfattning :  Precision Measurement Instruments (PMIs) for machinery’s mechanical compliance are tools to quantify mechanical load as well as length for measurement ranges of 0.1 µm to 10 m at uncertainty levels of 0.1 µm to 100 µm while exerting mechanical loads. LÄS MER

  3. 2. Developing and validating self-report instruments : assessing perceived driver competence

    Författare :Anna Sundström; Widar Henriksson; Marie Wiberg; Lars R Bergman; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Test construction; test validity; measurement; drivers; self-confidence;

    Sammanfattning : The overall aim of this thesis was to develop and validate a self-report instrument for perceived driver competence. The thesis includes six papers and a summary. LÄS MER

  4. 3. Criterion-referenced measurement for educational evaluation and selection

    Författare :Christina Wikström; Widar Henriksson; Roger Murphy; Umeå universitet; []
    Nyckelord :Assessment; Competition; Criterion-referenced; Education; Evaluation; Grading; Grade inflation; Measurement; Selection; Validity; Beteendevetenskapliga mätningar; pedagogik; Education;

    Sammanfattning : In recent years, Sweden has adopted a criterion-referenced grading system, where the grade outcome is used for several purposes, but foremost for educational evaluation on student- and school levels as well as for selection to higher education. This thesis investigates the consequences of using criterion-referenced measurement for both educational evaluation and selection purposes. LÄS MER

  5. 4. Mått på brott : Självdeklaration som metod att mäta brottslighet

    Författare :Lina Andersson; Jerzy Sarnecki; Eva Tiby; Ingrid Sahlin; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Self Report Methodology; Crime Measurement; Theory of Measurement; Contextual Constructivism; Criminology; Kriminologi; General Criminology; allmän kriminologi;

    Sammanfattning : Measuring crime is one of criminology’s most central tasks. Self-report studies constitute one means of doing so. LÄS MER

  7. 5. Physics-based modelling and measurement of advanced manufacturing machinery’s positioning accuracy : Machine tools, industrial manipulators and their positioning accuracy

    Författare :Nikolas Alexander Theissen; Andreas Archenti; Edward P. Morse; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Machine tools; Industrial robots; Accuracy; Measurement instruments; Production Engineering; Industriell produktion;

    Sammanfattning : Advanced manufacturing machinery is a corner stone of essential industries of technologicallydeveloped societies. Their accuracy permits the production of complexproducts according to tight geometric dimensions and tolerances for high efficiency,interchangeability and sustainability. LÄS MER