Моделювання надійності функціонування електронної системи контролю вологості складських приміщень
Journal Title: Математичне моделювання - Year 2016, Vol 1, Issue 2
Abstract
MODELING OF THE RELIABLE OPERATION OF ELECTRONIC HUMIDITY CONTROL SYSTEM AT WAREHOUSE PREMISES Meshchaninov S.K., Bagry V.V., Kampov O.V., Spivak V.M. Abstract Air climatic variables are of big importance in the places where the goods are stored. Both heated and non-heated warehouses have problems with temperature and humidity control. The walls and goods dampen; the wiring breaks down creating the preconditions for the emergence of a fire hazardous situation. Nowadays there are a lot of temperature and humidity control systems similar in their operation. Some of them are given below: 1. The TempControl [5] system allows: • To keep the temperature and humidity data • To control the temperature and humidity distantly • To control the temperature and humidity locally 2. The “Actidata NetViewer” [7] control systems. «Actidata NV-1» is a system that transmits information about temperature, relative humidity, water leakage, activation of the slip sensors, movement and fumigation through the Ethernet interface, which enables sending e-mail messages about the abnormal situation via the Internet to a user's mailbox with the help of a network server. The Actidata NV-1 doesn’t require an additional power line, maintenance, checking and regulation. Its main characteristics are: - temperature range: –30 — –125 Сº, accuracy — 1 %; - relative humidity range: 0 — 100 %. Taking into account the permanent renewal of elemental base of the modern electronics, before being implemented the regulator should be improved: it is necessary to renew the elemental base, to set up the newest sensors, to add the coupling circuit with computer by means of USB, to create a software for device managing. Consequently, the objective of this article is to model the reliable operation of electronic humidity control system at warehouse premises with the help of microcontroller ATmega8-16AI Each device differs from others of multiple characteristics, ranging from the reliability to price for the installation and maintenance. We propose the device which costs less and is more reliable in use. Using reference tables, we determine the failure and repair rate of each type of component. With the help of reference data and known reliability theory proportion we calculate and model the reliability of the electronic circuit. The components, which have the same failure and repair rate, we put into one group. Obtained results we add to the initial data and failure rate table. The methodology for determining and modeling of the reliable operation of electronic humidity control system at warehouse premises is proposed. Based on this methodology, the methods for improving of the reliability of electronic monitoring devices and systems can be developed. References [1] Borovykov SM, Tsyrelchuk JH, Trojan FD Calculation of reliability means radioelektronyh Minsk BHUIR 2010 s. 70. [2] Tarasyuk O.B Holvach V.M By developing and implementing quality control systems storing valuables in enterprises Ukraine State Reserve. [3] Stypanov B. and Pondyn B. Temperature and moisture. The magazine "Radio" issue №5, 2013., P.30. (in Russian) [4] [pro-rh.info/хранение-продукции-в-условиях-контро/] [5] [http://tempcontrol.ru/] [6] [http://ecaltd.ru/] [7] [http://www.actidata.ru/]
Authors and Affiliations
С. К. Мещанінов, В. В. Багрій, О. В. Кампов, В. М. Співак
Keywords
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