The Analysis And Monte Carlo Simulation Of Fire Detection Alarming System Reliability

Fire detection alarming system is the major part of building fire protection equipments. It plays a very important role in the fire engineering. It can help people to escape from the fire by detecting the fire and alarming. Much trouble is brought by the system fault resulted by the problem of reliability. It is significative to analyse the reliability of fire detection alarming system based on the theory of probability.The theory of people-machine and environment is introduced to the analysis of system fault. Several reasons of system fault are researched by this paper from the point of system. The conclusion is drawled that the detecting facility is the most important factor of all the influence factors. Some advice is suggested to improve the system reliability. Reliability experiment is made to collect data. The data is a lased with the theory of probability. The modeling of realibility and fault rate is found to describe the data distributing. The modeling parameter is calculated and proved.The system modeling is found through the analysis of system inner structure according to the calculation result of realibility. The estimating result of realibility index is calculated by the Monte Carlo simulating. The curve of fault rate and realibity changed with the time is presentd. Compared with the experiment curve, the simulating curve is correct and logical.The application of Monte Carlo method to the research of fire detection alarming system reliability is the innovation of this theory field. It provides the important reference to the evaluation and the found of data-base of fire detection syetem reliability.