Dynamics Performance Analysis of Turntable Bogie Vehicles
Journal Title: Urban Mass Transit - Year 2024, Vol 27, Issue 7
Abstract
Objective Compared to conventional bogies, the new type of turntable bogie exhibits smaller slewing resistance coefficients and better curve negotiation performance. Therefore, it is necessary to analyze the vehicle dynamics performance. Method Using SIMPACK dynamics software, vehicle dynamics models with turntable bogies and conventional bogies are established. A comparative analysis is conducted on the slewing resistance coefficients, curve negotiation performance, and vehicle dynamics performance of the two types of bogies. The impact of bearing friction coefficient on the dynamics performance of vehicle with turntable bogies is studied. Result & Conclusion For the two bogie types, under conditions where the curve radius is 110 m and the speed limit is set to 30 km/h, the derailment coefficient, wear rate, and axial lateral force of TBV (turntable bogie vehicle) are significantly better than those of CBV (conventional bogie vehicle) under both new and worn wheels working conditions. The wheel load reduction rate of TBV is slightly better than that of CBV. As the vehicle passing straight tracks at different speeds, the vehicle stability of both bogie types increases as the vehicle operating speed increases. Under new wheel working condition, the lateral stability of TBV is significantly better than that of CBV, and the vertical stability is slightly better. Under worn wheel working condition, the lateral and vertical stability of TBV are significantly better than those of CBV. When the rotation of TBV is restricted, the stability, lateral stability, and curve negotiation safety of the vehicle deteriorate with the increasing bearing friction coefficient, but all values remain within the range specified by relevant standards.
Authors and Affiliations
Dingxiang HU, Buzhen XU, Xiaoping JIA, Chen YANG, Xin JIN
Keywords
Related Articles
- EP ID EP742621
- DOI 10.16037/j.1007-869x.2024.07.037
- Views 26
- Downloads 0
Research on Key Technologies for 120 km/h Articulated Light Rail Trains
［Objective］ Currently, the design speed of articulated LRV (light rail vehicle) is 100 km/h, which somewhat restricts the expansion of light rail lines to the suburbs, satellite cities, and other areas. Therefore, it i...
Reasons for Low Passenger Flow of City Railway Renovated from Existing Lines and Countermeasures
［Objective］ Recently, the passenger flow in the city railway renovated from existing lines is generally low, it is necessary to systematically analyze the reasons and put forward corresponding countermeasures to improv...
Design of Grounding Grid for Main Substations in High Soil Resistivity Areas Based on CDEGS Software
Objective To address the difficulty of reducing the grounding resistance of main substations in high soil resistivity areas, it is necessary to study the design of grounding grids for main substations in such regions. Me...
Multi-faceted Maintenance Strategy for Electronic Devices in Shanghai Rail Transit Communication and Signaling System
Objective As the failure rate of electronic devices in Shanghai rail transit system keeps on increasing, traditional maintenance approaches—characterized by slow speed of self-repair, high costs of factory repair, long r...
Research on Construction Error Simulation of Rigid Catenary for 160 km/h Urban Rail Transit
Objective As construction error of the rigid catenary at 160km /h train speed affects the dynamic performance of the pantograph catenary, the technical parameters that meet the condition for the pantograph and rigid cate...