Sökning: "PLCS"

Visar resultat 1 - 5 av 10 avhandlingar innehållade ordet PLCS.

  1. 1. Information modelling for the manufacturing system life cycle

    Författare :Astrid von Euler-Chelpin; Torsten Kjellberg; Serge Tichkiewitch; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Information modelling; manufacturing resource model; manufacturing system life cycle; STEP; PLCS; Informatics; Informatik;

    Sammanfattning : This thesis deals with information modelling within the scope of the manufacturing system life cycle, i.e. the development phase and the operation phase. LÄS MER

  3. 2. Kollegialt lärande i matematik : Ett verksamhetsteoretiskt perspektiv

    Författare :Frida Harvey; Per Nilsson; Anna Teledahl; Inger Eriksson; Örebro universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Activity system; Contradictions; Cultural Historical Activity Theory; PLCs in mathematics; mathematics education; Kollegialt lärande; kollegialt lärande i matematik; matematikdidaktik; motsättningar; verksamhetssystem; verksamhetsteori;

    Sammanfattning : In the last decade, Professional Learning Communities (PLCs) are increasingly used as models for teachers’ joint efforts in developing their teaching. The overall aim of this licentiate thesis is to expand the knowledge of PLCs in mathematics, by deepening the understanding of aspects that influence the establishment, organization, and implementation of PLCs in mathematics. LÄS MER

  4. 3. Enabling Test Automation for Industrial PLC Programs

    Författare :Mikael Ebrahimi Salari; Eduard Paul Enoiu; Wasif Afzal; Cristina Seceleanu; Jee Eunkyoung; Mälardalens universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; PLC; PLC Testing; Automated Testing; PyLC; EARS Syntax; FBD; ST; Computer Science; datavetenskap;

    Sammanfattning : Testing safety-critical systems, particularly those controlled by Programmable Logic Controllers (PLC), is crucial for ensuring the safe and reliable operation of industrial processes. This thesis addresses the critical need for automated testing of safety-critical PLC systems used in various industrial settings. LÄS MER

  5. 4. Towards the safe-IOCOS relation -- On testing and correction of errors in an implementation to ensure safety

    Författare :Adnan Khan; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; PLC; Safety; Supervisory control theory; Input-output conformance simulation relation; Model-based testing;

    Sammanfattning : The technological advancement that has occurred at a blistering pace in the past decades has enabled manufacturing companies to conceive innovative products. However, to meet growing demands of consumers, manufacturing companies are expected to maintain a steady production rate without compromising product quality. LÄS MER

  7. 5. A Simulation-Based Optimisation Method for PLC Systems

    Författare :Bo Svensson; Bengt Lennartson; Rolf Bernhardt; Högskolan Väst; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Simulation based optimisation; Virtual manufacturing; Industrial control system; PLC; Continuous simulation; Parameter tuning; Optimisation methods; Manufacturing and materials engineering; Produktions- och materialteknik;

    Sammanfattning : Tuning of process parameters such as time constants, cam values, velocities and robot paths, in order to increase capacity utilisation, is today a challenging manual on-line task in many automated manufacturing systems. On-line methods interfere with production and will cause unwanted downtime, which indeed reduces capacity utilisation. LÄS MER