Abstract
Paper contains a report of the part of works conducted in the research and development project concerned with a modernization of freight wagons during their periodic repair. The aim of this research was to obtain better exploitation conditions of freight cars. Two elements of those works are presented: a computer aided analysis of the freight car’s CAD model and results and analysis of the real object elements’ vibrations during exploitation. The aim of numerical analysis was to determine the maximal permitted speed at which the car does not go off the rails. These tests were performed using the “Motion Simulation” module of the software of the CAD/CAE/CAM class Siemens PLM NX. The real freight car’s elements vibration were measured and analysed in order to verify if it is possible to create a mechatronic approach for technical condition analysis of modernized freight cars during their exploitation based on their dynamic response as well as to validate the CAD model of the considered freight car.
Highlights
A lot of effort is spent on development of any types of devices that are used by a human kind because new materials and new technologies are opening brand new possibilities for designers and engineers
Presented topics of freight cars modernization technology based on application of new materials as well as mechatroic systems for their technical condition monitoring are very important issues
That the elaborated model requires a further process of providing with details and identification of properties of the analysed object in the form of a freight wagon
Summary
A lot of effort is spent on development of any types of devices that are used by a human kind because new materials and new technologies are opening brand new possibilities for designers and engineers. The new opportunities are results of the possibility of smart materials application, so the materials that can change one or more of their properties during operations and this change can be controlled This development process relates to such technical devices as freight cars [1,2,3,4,5]. One of elements of the project was to develop a system for diagnosing the technical condition of the modernised shell of wagon body during operation For this purpose, the use of non-destructive testing methods of the technical state of constructions were used, including methods based on the analysis of a dynamic response of the object. Presented topics of freight cars modernization technology based on application of new materials as well as mechatroic systems for their technical condition monitoring are very important issues. A lot of researchers and engineers from international engineering community are paying attention to those issues [1,2,3,4,5,6,7,8,9,10, 21, 23] and authors of this work believe that presented in this paper results of carried out studies could be interested in other researches and could inspire other ideas
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