Sökning: "sluten krets"

Visar resultat 1 - 5 av 8 uppsatser innehållade orden sluten krets.

  1. 1. PCBA verification and fault detection using a low-frequency GMR-based near-field probe with magnetic closed-loop feedback compensation : A non-contact alternative to physical probing

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Joacim Sundh; [2022]
    Nyckelord :GMR; sensor; magnetic field; near-field; probe; linearity; PCB; coil; PCBA; analogue integrated circuits; analog; operational amplifiers; electrical fault detection; feedback circuits; in-circuit tests; GMR; sensor; magnetfält; närfält; sond; linjäritet; mönsterkort; spole; kretskort; analoga integrerade kretsar; operationsförstärkare; elektrisk feldetektering; återkopplingskretsar; kretskortstest;

    Sammanfattning : As electronics are getting both smaller and more advanced, the need to verify and validate remains and the means are getting more complex the more functions and components are added. Traditionally, in-circuit tests (ICTs) are performed by probing dedicated test points on the Printed Circuit Board Assembly (PCBA) in a test sequence that is unique to each product. LÄS MER

  3. 2. Optimization of the sorting process in PVC-floor recycling : Scenarios to optimize economic and environmental aspects of the upscaling sorting process

    Uppsats för yrkesexamina på avancerad nivå, Blekinge Tekniska Högskola/Institutionen för industriell ekonomi

    Författare :Emelie Jonsson; Birkir Pálsson; [2021]
    Nyckelord :Circular economy; Sorting process; PVC; Automation; CO2 emission; Cirkulär ekonomi; Sorteringsprocess; PVC; Automatisering; CO2-utsläpp;

    Sammanfattning : Background: The industrial economy has been dominated by a one-way production and consumption model. Closing loops for materials has seen an upswing in popularity. The focus though has been on the environmental aspects instead of the economic benefits from implementing closed loops. LÄS MER

  4. 3. Coolant Filling Simulation Model in 1D with GT-Suite : A Study on Scania's Electric Truck's Battery Cooling Circuit

    Master-uppsats, KTH/Skolan för industriell teknik och management (ITM)

    Författare :Kapil Vaidya; Xavier Navarro Palau; [2021]
    Nyckelord :GT-Suite; CFD; 1D Simulations; Battery cooling; BEV Truck; Deaeration; Air Traps; GT-Suite; CFD; 1D-simuleringar; Batterikylning; BEV Truck; Deaeration; Air Traps;

    Sammanfattning : Driven by the goal of decreasing emissions and pollutants towards a more sustainable future, the automotive industry is undergoing a rapid transition towards battery-powered electric vehicles. This shift to sustainable transport is fast-paced, and new technical solutions are being offered on a regular basis to fulfil the future needs for electric vehicles, including battery-electric trucks. LÄS MER

  5. 4. Från hus till hus

    Magister-uppsats, Lunds universitet/Miljövetenskaplig utbildning

    Författare :Fanny Hall; [2019]
    Nyckelord :circular material; circular economy; construction industry; Earth and Environmental Sciences;

    Sammanfattning : Industrisamhällets syn på resurshantering har länge sett densamma ut och följer en linjär konsumtionsmodell . Den modellen innebär att företag utvinner och extraherar material, använder dem för att skapa en produkt, säljer sedan den till konsumenten som gör sig av med produkten när hen inte längre har användning för den och till slut blir produkten till avfall (Ellen McArthur Foundation, 2013). LÄS MER

  7. 5. Evaluation of Scale-up Model for Flotation with Kristineberg Ore

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Författare :Adam Isaksson; [2018]
    Nyckelord :flotation; HSC; Kristineberg; locked cycle; mass balancing; mixed cycle; open circuit; scale-up; blandkrets; flotation; HSC; Kristineberg; sluten krets; massbalansering; öppen krets; uppskalning;

    Sammanfattning : The objectives of this project were to survey the flotation circuit of the Boliden concentrator, mass balance collected data and evaluate a scale-up model for laboratory flotation results. The model assumes that half of the recovery to cleaner middlings in a standard laboratory test would report to the final concentrate if it were done in closed circuit, as is the case in a full-scale plant. LÄS MER