Rail transport is the largest rail network worldwide. If you compare the number of passengers and of goods transported by different modes of transport, it appears that the share of rail transport represents a very tangible part of them. Ensuring a high level of rail safety is currently one of the primary tasks of States and organizations involved in rail. In order to contain a railway and to provide its performance, you must ensure a high quality of the Railway, so the establishment of systems to control the position of the path is relevant, especially in the field of optical-electronic instrument making. The purpose of work is development and research of optical-electronic system for controlling the position of a railway track with the help of reference marks.
One way of reduce costs for the assembly of high-precision large-sized products, such as planes or ships of different purpose is minimize of the time spent for control of geometrical parameters docking of large parts. Present systems do not have the high performance and do not have the ability to control multiple objects at the same time. The proposed system consists of at least four scanning devices and at least one position sensor. The paper describes a mathematical model of the system, as well as the stand for the study of the system. It is shown that the use of a many scanning devices enables high accuracy in determining the coordinates of the sensors and it allows to monitor multiple sensor networks at the same time.
Level crossing – one of the most dangerous sections of the road network, where railway line crosses motor road at the same level. The collision of trains with vehicles at a level crossing is a serious type of road traffic accidents. The purpose of this research is to develop complex optical electronic control system of vehicles location in the dangerous zone of level crossing. The system consists of registration blocks (including photodetector, lens, infrared emitting diode), determinant devices and camera installed within the boundaries of level crossing. The system performs detection of objects (vehicles) by analysing the time of the object movement opposite to the registration block and level of the reflected signal from the object. The paper presents theoretical description and experimental research of main principles of the system operation. Experimental research of the system model with selected optical-electronic components have confirmed the possibility of metal objects detection at the required distance (0.5 – 2 m) with different values of background illuminance.
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