چكيده به لاتين
Rail surface roughness is one of the most influential parameters in the performance of the rail fleet, and in particular its passenger type. On the other hand, due to economic considerations and reduced travel time, the demand for speeding up the rail fleet is always inevitable. The feasibility of satisfying this demand includes a comprehensive and diverse process, such as checking line quality conditions, the effect of speed on the dynamic performance of the rail vehicle and its dynamic interaction with the line, the impact of speed on the stability of the vehicle, travel safety, travel comfort conditions, Life of the fleet and ... Rail disturbance is also a very important factor affecting the dynamics of the train movement. These roughnesses are generally random in nature and are referred to as rail level abnormalities in this sense. These disruptions can be greatly reduced due to the vibrations on the rails moving on the wagon, which can dramatically decrease the wear life of the railway, or affect on the ride comfort. Measuring, monitoring, and checking the accelerations of the vehicle and, consequently, requiring passengers to calculate the travel comfort index, which is determined by various standards such as the ISO, UIC, CEN Standards for Rolling Stock in the British Railways and the Wz Engineering Standards (Sperling Index). In this thesis, the first step was to study the travel comfortably in the European CEN standard, and then using the Arduino and the 3D MEMS accelerometer to design the device. The following is designed labview software which is so user-friendly and the graphic interface adapted to the convenient travel measurement. The two tests were performed on the line between a Tehran subway between bagher-shahr and shahr-e-Rey station for measuring the convenience of using this device.
