A method for controlling the running speed of urban rail transit vehicles

Abstract

The invention discloses a control method for the operation speed of an urban rail transit vehicle. According to the method, the vehicle is set to perform accelerated movement from the initial point, and speed marks of positions where the vehicle pass are all set as acceleration marks; in the operation process of the vehicle, if the operation speed of the vehicle is higher than limited speed of the position P where the vehicle is located, a vehicle control center controls the vehicle to back at a distance S and then perform decelerated movement, and meanwhile the speed mark of the position where the vehicle is located is set as a deceleration mark after the vehicle backs at the distance S; if speed of the vehicle still does not satisfy a speed limiting condition when the vehicle performs decelerated movement and then operates to the position P, the vehicle control center controls the vehicle to back at the distance S again and then perform deceleration movement, and the rest can be done in the same manner until the vehicle operates to the end point. It is avoided that in the operation process, the vehicle exceeds the limited speed, so that driving safety is effectively guaranteed.

Description

technical field [0001] The invention relates to the field of urban rail transit, in particular to a method for controlling the running speed of urban rail transit vehicles. Background technique [0002] Due to the influence of factors such as slope, curve radius, turnout and platform, rail transit lines have different speed limit conditions in each operating line section, and there are various vehicle operation strategies for different speed limit conditions. The pros and cons of the strategy directly affect the operating efficiency of rail transit lines, and then affect the comprehensive service level of rail transit vehicles. [0003] Based on the complexity of the operation strategy of rail transit vehicles, finding a method to calculate the operation strategy has become an important research topic. The existing method of formulating the operation strategy is to divide the vehicle operation path into several sections according to different speed limit conditions. The int...

AI Technical Summary

Problems solved by technology

[0003] Based on the complexity of the operation strategy of rail transit vehicles, finding a method to calculate the operation strategy has become an important research topic. The existing method of formulating the operation strategy is to divide the vehicle operation path into several sections according to different speed limit conditions. The intervals are calculated separately, and the speed limit conditions of each interval are corrected according to the relevant calculation results of the vehicle operation curve, and the operation strategy of the train is formulated. This method is inefficient and has a large error in the calculation results. , will affect the processing of the speed limit conditions of adjacent sections, so the speed limit conditions of each section need to be corrected multiple times, the processing efficiency is low, the time is long, and the final calculation result is difficult to achieve the optimal operation strategy of the vehicle

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