Scopul lucrarii constă in elaborarea unui sistem usor aplicabil pentru monitorizarea nivelului de radiatie. Acesta trebuie sa aiba o interfata simpla si comoda. Cu posibilitatea de a accesa si edita profiluri de masurare, coeficientul si tensiune de masurare pentru diferite tipuri de senzori geiger. Metodologia cercetarii stiintifice se bazeaza pe studierea parametrilor tehnici si specificatiilor pentru fiecare din componente ale placii de baza, studierea arhitecturii PIC si a modulelor interne a MCU PIC16F876A, si a limbajului si interfetei de programare utilizate – Limbajul C si studioul MicroC respectiv. Noutatea şi originalitatea: acest sistem nu prezinta o noutate pe piata aparatelor de dosimetrie, insa comporativ cu altele aparate are o interfata foarte simpla, cost minimal, si cel mai inportant are o variabilitate de conectare a dispozitivelor adaugatoare pentru a largi domeniul de aplicare acestui dispozitiv. Valoarea aplicativă a lucrării consta in elaborarea algoritmilor de lucru al sistemului, si aplicarea acestuia asupra unui dosimetru cu diferite dispozitive periferice conectate (arduino, module releu, ttl-usb, etc.). Sistemul poate fi usor instalat si setat de un “user simplu”, in dependenta domenului de utilizare a acestuia.
The aim of the paper is to develop an easily applicable system for monitoring the level of radiation. It must have a simple and convenient interface. With the ability to access and edit measurement profiles, coefficient and measurement voltage for different types of geiger sensors. The scientific research methodology is based on the study of the technical parameters and specifications for each component of the motherboard, the study of the PIC architecture and the internal modules of the MCU PIC16F876A, and the programming language and interface used – C language and the MicroC studio. Novelty and originality: This system does not present a novelty in the dosimetry market, but comparing with other devices it has a very simple interface, minimal cost, and most importantly has a connection variability of add-on devices to broaden the scope of this device. The applicative value of the paper consists in the elaboration of system working algorithms and its application on a dosimeter with various connected peripheral devices (arduino, relay modules, ttl-usb, etc.). The system can be easily installed and set by a "simple user", depending on the domain of use.
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