Wireless Control Method of Locally Controlled Railway Switches in a Centralized Supply Source
Abstract
The article addresses the issue of improving the local control system of railway switches at stations using modern wireless communication technologies. In the current system, the operation of switches is primarily carried out by a shunting operator directly at the switch through a locally installed shunting control console. Although this method has been in use for many years, it has a number of significant drawbacks in terms of operational efficiency, safety, and responsiveness. In particular, the need for the operator to physically move between locations, adverse weather conditions, and human factor-related errors negatively affect the speed and reliability of shunting operations. The article proposes a wireless control system based on microprocessor devices aimed at eliminating these shortcomings. The new system enables switches to be operated remotely by a locomotive driver or their assistant without leaving the locomotive cab. In this setup, the transmitting and receiving devices are connected via radio communication, and the required control commands are sent through a microcontroller. Moreover, through a feedback channel, realtime information about the current position of the switch is transmitted back. In the course of the work, the operating principle of the existing wired control system was thoroughly analyzed, and the newly proposed scheme was developed based on the same sequence of operations, but in a simplified and modernized form.