Abstract
At present the problem of vertical transport safety is crucial as it is evidenced by the statistical data on the number of accidents and injuries There are no regulatory requirements for permissible safety level of the elevator performance. service support system for the elevator is aimed at maintaining the performance standard level throughout the specified service life of vertical transportation. For the elevator equipment which is a technically complex system, hazard is manifested in the form of failure of various structural elements that affect safety. In this study the probability of a hazardous situation is characterized as risk-failure.
Highlights
At present there is a tendency for the increase in the number of elevators put into operation
During the operation of an elevator there is the probability of a hazardous situation (P) and the process safety assurance is calculated by the given equation (E) for a single situation
The proposed method for assessing elevator operation safety has made it possible to determine safety level for different service life periods and at the same time to determine the dependence of the elevator safety level on the service life of the particular elevator
Summary
At present there is a tendency for the increase in the number of elevators put into operation. During the operation of an elevator there is the probability of a hazardous situation (P) and the process safety assurance is calculated by the given equation (E) for a single situation. In order to achieve the above objectives it is necessary to accomplish the following tasks: to analyze malfunctions and identify the elements that affect safety of the elevator, to make cluster analysis, to develop a method for assessing the safety level. The risk analysis is represented by a sequence of logical steps providing a systematic approach to identifying hazards associated with the operation of elevators. While processing statistical data the method of cluster analysis has been used, which allows decomposing the elevator into component units and elements depending on the malfunction mode, the reasons for the malfunction and the location of the equipment in the elevator
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