E01B35/00

Procedure for controlling a guide system of a railway construction machine, associated method and associated guide system

In order to control a measuring system with a tacheometer mounted on a carrier trolley circulating on a railway track under construction and a target fastened to a railway construction machine, the carrier trolley is circulated on the railway track in a working direction from a starting position to an arrival position in the vicinity of a topographic arrival singularity. The carrier trolley is immobilized and an observation of the topographic arrival singularity is made. Then, with the railway construction machine having been brought into the starting position, an observation of the target is made. Finally, the coordinates of the arrival position of the carrier trolley are calculated as a function of the measurements made, of additional data relating to the starting position, and of positioning data of the topographic arrival singularity and data relating to a theoretical line of the track.

Procedure for controlling a guide system of a railway construction machine, associated method and associated guide system

In order to control a measuring system with a tacheometer mounted on a carrier trolley circulating on a railway track under construction and a target fastened to a railway construction machine, the carrier trolley is circulated on the railway track in a working direction from a starting position to an arrival position in the vicinity of a topographic arrival singularity. The carrier trolley is immobilized and an observation of the topographic arrival singularity is made. Then, with the railway construction machine having been brought into the starting position, an observation of the target is made. Finally, the coordinates of the arrival position of the carrier trolley are calculated as a function of the measurements made, of additional data relating to the starting position, and of positioning data of the topographic arrival singularity and data relating to a theoretical line of the track.

Automated tie marking

A system and method for automating railroad maintenance for a tie gang using electronic tie marking (ETM) configured to optimize railroad asset maintenance. The system enables the automating of an adaptive maintenance process for the asset that is being maintainanced. The system can identify a railroad asset scheduled for maintenance using various forms of inspection including real-time kinematic (RTK)-corrected GPS data, radar signal processing data, and real-time imaging. The system also provides for the acquisition and upload of asset pictures for verification and analysis of a railroad asset. The system can identify a next location to perform maintenance and can calculate an optimum path based on sensor input incorporating machine-specific and environmental characteristics. The system further can provide a customizable user interface to identify, track, and process information related to maintenance of the railroad asset.

Automated tie marking

A system and method for automating railroad maintenance for a tie gang using electronic tie marking (ETM) configured to optimize railroad asset maintenance. The system enables the automating of an adaptive maintenance process for the asset that is being maintainanced. The system can identify a railroad asset scheduled for maintenance using various forms of inspection including real-time kinematic (RTK)-corrected GPS data, radar signal processing data, and real-time imaging. The system also provides for the acquisition and upload of asset pictures for verification and analysis of a railroad asset. The system can identify a next location to perform maintenance and can calculate an optimum path based on sensor input incorporating machine-specific and environmental characteristics. The system further can provide a customizable user interface to identify, track, and process information related to maintenance of the railroad asset.

METHOD FOR AUTOMATIC AUTONOMOUS CONTROL OF A PACKING MACHINE
20230228042 · 2023-07-20 ·

A method for automatic autonomous control of a packing machine (C) having a position-measuring device (WMS, GPS, 32) for precise detection of the position of the track-building machine in a track, and signal detection by actuators of working assemblies (23, bv, 18, 26) of the packing machine (C). Track ballast data are detected by sensors (23, bv, 18, 26) during the packing and the current track ballast parameters are detected therefrom and stored for a subsequent work pass and analysed by a device for machine learning (17, ML). An analysis of the track ballast state data (EF7, S9, A3) is created on the basis of machine learning methods (ML, 17) and the track ballast parameters are analysed in view of a drop in compression forces that occurs in the longitudinal track direction and work instructions (EF7, S9, A3) for an optimal work approach are ascertained therefrom and stored. In a subsequent work pass, depending on the current position in the track and on the associated work instruction data, the packing machine carries out the work instructions automatically and autonomously.

METHOD FOR AUTOMATIC AUTONOMOUS CONTROL OF A PACKING MACHINE
20230228042 · 2023-07-20 ·

A method for automatic autonomous control of a packing machine (C) having a position-measuring device (WMS, GPS, 32) for precise detection of the position of the track-building machine in a track, and signal detection by actuators of working assemblies (23, bv, 18, 26) of the packing machine (C). Track ballast data are detected by sensors (23, bv, 18, 26) during the packing and the current track ballast parameters are detected therefrom and stored for a subsequent work pass and analysed by a device for machine learning (17, ML). An analysis of the track ballast state data (EF7, S9, A3) is created on the basis of machine learning methods (ML, 17) and the track ballast parameters are analysed in view of a drop in compression forces that occurs in the longitudinal track direction and work instructions (EF7, S9, A3) for an optimal work approach are ascertained therefrom and stored. In a subsequent work pass, depending on the current position in the track and on the associated work instruction data, the packing machine carries out the work instructions automatically and autonomously.

METHOD FOR GAUGING A TRACK POSITION
20230221448 · 2023-07-13 ·

A method for gauging a track position uses a track gauging trolley (7) moved on the track. A gauging run is carried out with the track gauging trolley (7), a GPS antenna (8) and an RTK GPS receiver (11) that communicates with an RTK correction data service (RTK-KD), wherein at least one wheel (10) of the track gauging trolley (7) is pressed against a rail (4). Using boundary conditions such as constraint positions, constraint points and maximum permissible track position corrections, to avoid the disadvantages of the drifts of an inertial gauging system during long gauging runs and the only relative information on the track position, the position of the GPS antenna (8) with respect to a reference axis of the track (4, 10) is determined with the aid of a compensation scanner (6) and a computing unit (13), and the measured GPS coordinates are converted into Cartesian coordinates (Pi(xi, yi, zi)) recorded with the computing unit (13) as a spatial curve (3), from which the location image (1), from which a desired curvature image (ksoll) is calculated, and the longitudinal image (2), from which a desired longitudinal inclination image (Nsoll) is calculated, are formed. An inertial system (INS) is set up on the gauging trolley (7), with which inertial system a correction spatial curve of the same section is created, and recorded using the computing unit (13) and is used as a correction value for the GPS coordinates converted into Cartesian coordinates (Pi(xi, yi, zi)).

METHOD FOR GAUGING A TRACK POSITION
20230221448 · 2023-07-13 ·

A method for gauging a track position uses a track gauging trolley (7) moved on the track. A gauging run is carried out with the track gauging trolley (7), a GPS antenna (8) and an RTK GPS receiver (11) that communicates with an RTK correction data service (RTK-KD), wherein at least one wheel (10) of the track gauging trolley (7) is pressed against a rail (4). Using boundary conditions such as constraint positions, constraint points and maximum permissible track position corrections, to avoid the disadvantages of the drifts of an inertial gauging system during long gauging runs and the only relative information on the track position, the position of the GPS antenna (8) with respect to a reference axis of the track (4, 10) is determined with the aid of a compensation scanner (6) and a computing unit (13), and the measured GPS coordinates are converted into Cartesian coordinates (Pi(xi, yi, zi)) recorded with the computing unit (13) as a spatial curve (3), from which the location image (1), from which a desired curvature image (ksoll) is calculated, and the longitudinal image (2), from which a desired longitudinal inclination image (Nsoll) is calculated, are formed. An inertial system (INS) is set up on the gauging trolley (7), with which inertial system a correction spatial curve of the same section is created, and recorded using the computing unit (13) and is used as a correction value for the GPS coordinates converted into Cartesian coordinates (Pi(xi, yi, zi)).

Track Caliper
20230018627 · 2023-01-19 ·

This invention discloses a track caliper that can measure vertical and horizontal wearing of different track types. It includes a caliper bar and a big slider that can move along the caliper bar. A small slider, with a right-angle bayonet on its right, can move along the caliper bar jaw to set the desired measuring position. A positioning plate, articulated with a rotary arm, installs on the big slider jaw and has a structure to limit the rotary arm in the vertical direction. A crossing-groove block is slide-mounted on the rotary arm, a horizontal bar is slide-mounted on the crossing-groove block and can move perpendicular with the rotary arm. When the front measuring surface on the horizontal bar aligns with the measuring surface of the probe on the big slider jaw, the marking on the horizontal bar aligns with the “0” line on the crossing-groove block.

PROCESSING SYSTEM AND METHOD FOR CARRYING OUT TRACK WORK
20220379938 · 2022-12-01 ·

A processing system for carrying out track work includes a rail vehicle having a processing device and a monitoring device for defining and monitoring a permissible working space for the rail vehicle. The processing system further includes a position measuring device for determining a position of the rail vehicle. The rail vehicle is controlled to carry out the track work by using a control device in dependence on the determined position and the defined working space. A method for carrying out track work is also provided.