Hardware and software synthesis of exemplary crossroads in a modular programmable controller

The aim of this article is to present the achievements in the field of the execution of a road junction model as well as the design of traffic managing algorithms and programs based on a modular programmable controller (S7 – 200 CPU 222), i.e. under conditions of restricted program and data memory along with limited syntax of the programming language. The authors have shown that it is possible to produce a simulation environment (of a structure similar to real conditions), which will allow for experiments with the algorithms controlling traffic lights and observation of vehicles behaviour in the newly adjusted environment. Streszczenie. Celem niniejszego artykulu jest przedstawienie dokonan w zakresie wykonania makiety skrzyzowania drog oraz opracowania algorytmow I programow dla potrzeb sterowania ruchem na bazie programowalnego sterownika modulowego (S7 – 200 CPU 222) tj. w warunkach ograniczonej pamieci programu i danych oraz ograniczonej syntaktyki jezyka programowania. Autorzy wykazali, ze mozliwe jest opracowanie środowiska symulacyjnego (o strukturze podobnej do rzeczywistych warunkow), co pozwoli na prowadzenie badan eksperymentalnych dla algorytmow sterujących sygnalizacją świetlną i obserwacji zachowan pojazdow w nowo wysterowanej rzeczywistości. (Synteza sprzetowoprogramowa przykladowego wezla drogowego w programowalnym sterowniku modulowym).

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