The present application provides a method, a device and a storage medium for predicting a remaining service life of a rail transit hardware device, the method including: generating particles of the hardware device at an initial moment; determining a state equation for a moment of prediction from a pre-established multi-stage state variation equation; determining particle weights at the moment of prediction on the basis of the state equation for the moment of prediction; predicting a state value at the moment of prediction according to the particle weights at the moment of prediction and the state equation for the moment of prediction; and determining the remaining service life of the hardware device on the basis of the state value at the moment of prediction.

A system is provided that includes a controller having one or more processors. The one or more processors may be configured to obtain first vehicle system data from a first vehicle system of plural vehicle systems based on a common characteristic shared by the plural vehicle systems, and obtain second vehicle system data from a second vehicle system of the plural vehicle systems, the second vehicle system data based on the common characteristic shared by the two or more vehicle systems. The one or more processors may also be configured to compare the first vehicle system data to the second vehicle system data, and identify one of the first vehicle system or the second vehicle system as a candidate vehicle system for maintenance based on comparing the first vehicle system data to the second vehicle system data.

The invention relates to a method for determining a critical driving situation of at least one wheel of a rail vehicle, wherein a characteristic value of a fluctuation strength of a raw speed signal of at least one wheel is determined, and wherein, for the purpose of evaluating the driving situation, said characteristic value is compared with criteria which describe a critical driving situation. Upon detection of a critical driving situation, the method provides that an action is triggered in the rail vehicle, wherein the method is designed in such a way that it can be combined with or make use of a sensor system and processing devices as found in a modern rail vehicle.

A system may be provided that includes a first power source configured to supply power to a communication system of a vehicle system to communicate a signal from a first vehicle of the vehicle system to a second vehicle of the vehicle system. The system may include a second power source configured to supply power to the communication system to communicate the signal from the first vehicle to the second vehicle, and a controller. The controller may obtain an operational parameter, and communicate the signal based on the operational parameter when the first power source supplies power to the communication system. The controller may be configured to communicate the signal utilizing the power from the second power source based on the operational parameter when the first power source does not supply power to the communication system.

An optical system including one or more optical sensors and a processing unit capable of performing built-in tests of the optical sensor(s) and methods thereof are disclosed. The processing unit includes a built-in test module configured to detect a reduction of an optical quality of at least some of the images generated by at least one of the optical sensors with respect to an expected optical quality thereof. The built-in test module may be configured to determine whether the reduction of the optical quality thereof is due to the “external optical disturbances” (EOD) and/or failure of the optical sensor(s)/system. The processing unit may include a relative built-in test module configured to compare at least some images generated by at least two of the optical sensor(s) and to determine which of the at least two optical sensors thereof, if any, is subjected to at least one of the EOD and/or failure.

A state-monitoring device includes: a state estimating unit to estimate a state of an instrument using operation information of a train on which the instrument is mounted; an instrument arrangement storing unit to store instrument arrangement information indicating arrangement of the instrument in the train; and a work plan output unit to extract the instrument to be maintained that requires inspection or component replacement on the basis of a state estimation value of the instrument, and output information regarding maintenance work in which the instrument to be maintained and the instrument arrangement information are associated with each other.

A train driver assistance method includes: acquiring basic data of a train under a complex and severe condition; determining whether a traction power system is normal according to the basic data; if so, acquiring an energy-efficient optimized speed profile of the train in a normal state according to the basic data of the train in the current state; and if not, acquiring an energy-efficient optimized speed profile of the train in an abnormal state according to the basic data of the train in the current state. In this way, the method can acquire the energy-efficient optimized speed profile of the train in its current state. The comprehensive electric train driver assistance method can enable the train to adapt to the complex and severe environment and realize the energy-efficient operation of the train and self-rescue of the train.

A tracking system has a first tracking module and a second tracking module, the position and/or orientation of which relative to each other can be determined by means of a sensor device of the tracking system to determine relative movements of a first vehicle part of a set of vehicles relative to a second vehicle part of the set of vehicles that is movably connected to the first vehicle part. The first tracking module is connected to the first vehicle part and the second tracking module is connected to the second vehicle part.

A method for logging an item of information relating to a rail vehicle, includes recording a speech input having the item of information, by a user of the rail vehicle and saving the recorded speech input as an audio file. The saved audio file is sent via a wireless communications network to a subscriber, remote from the rail vehicle, of the communications network. A device logs the subscriber, remote from a rail vehicle, of the communications network.

Railyard management system for managing, assembling, disassembling and validating train consists and monitoring railcars in the railyard. The system provides for the collection of data and the movement of data from lower processing levels to higher processing levels, where an inference engine draws inferences regarding the current state of railcars and train consists within the railyard. The inferences can be based on characteristics of a transmission signal received at their respective railcars, said railcars forming a train consist. The system can be used to track the location and orientation of railcars in the railyard and to validate order and orientation of assets in a train consist based on the characteristics of the transmission signal at said railcars.