Essays about: "Rail Joints"

Found 4 essays containing the words Rail Joints.

1. 1. Detecting Defective Rail Joints on the Swiss Railways with Inception ResNet V2 : Simplifying Predictive Maintenance of Railway Infrastructure

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Anton Lu; [2022]
   Keywords : Rail Defect Detection; Rail Image Classification; Rail Joints; Object Detection; Image Classification; Deep Learning; Järnvägsfeldetektering; Järnvägsbildigenkänning; Järnvägsskarvar; Objectigenkänning; Bildklassificering; Djupinlärning;

   Abstract : Manual investigation of railway infrastructure is a labor-intensive and time-consuming task, and automating it has become a high priority for railway operators to reduce unexpected infrastructure expenditure. In this thesis, we propose a new image classification approach for classifying defect and non-defective rail joints in image data, based on previous fault detection algorithms using object detection. READ MORE

3. 2. Railway bridges with floating slab track systems : Numerical modelling of rail stresses - Dependence on properties of floating slab mats

   University essay from Luleå tekniska universitet/Byggkonstruktion och -produktion

   Author : Daniel Kostet; [2018]
   Keywords : ballasted track; bridge; elastic mat; expansion; finite element method FEM ; finite element analysis FEA ; floating slab mat; interaction; International union of railways UIC ; non-ballasted track; SOFiSTiK; ballasterat spår; ballastfritt spår; bro; dilatationsfogar; finita elementmetoden FEM ; finit elementanalys FEA ; fixerat spår; interaktion; Internationella järnvägsunionen UIC ; SOFiSTiK; vibrationer; vibrationsdämpande matta;

   Abstract : The increased use of continuously welded rails in the railway systems makes it necessary to increase the control of the rail stresses to avoid instability and damages of the rails. Large stresses are especially prone to appear at discontinuities in the railway systems, such as bridges, due to the interaction between the track and the bridge. READ MORE

4. 3. Conceptual sandwich-sandwich-steel joint design for lightweight rail vehicle

   University essay from KTH/Lättkonstruktioner

   Author : Tobias Magnusson; [2014]
   Keywords : ;

   Abstract : In order to find a feasible solution for a joining method of a sandwich side-wall, a sandwichfloor and a steel underbody of a railway vehicle, conceptual joint designs have been devel- oped by using structural optimization software.  It is shown that the joints are capable of carrying the loads assumed to act on the structure but that  several improvements to theanalysis needs to be done to assure a safe design. READ MORE

5. 4. Dual motor control for backlash reduction

   University essay from Lunds universitet/Institutionen för reglerteknik

   Author : Johannes Schiffer; [2009]
   Keywords : Technology and Engineering;

   Abstract : Within the EU FP-6 project SMErobotTM a new type of high-performance robots has been developed by ABB Robotics, the Robotics Lab at Lund University and Güdel AG, Switzerland. The new design is based on a parallel configuration of the robot's joints (parallel robots). READ MORE