Results 31 to 40 of about 144,627 (328)
Analysis of Acoustic Flow Field Characteristics of Key Components of High-Speed Train Bogies
Applied Sciences, 2023 In this paper, we aim to address the challenge of airflow interference during fault detection in high-speed train bogies by introducing a flow field and investigating the characteristics of the sound field distribution of critical components under its ...
Xing Zhao +3 more
doaj +1 more source
Energies, 2023 At present, China’s high-speed rail is in a period of rapid development. Most of the refrigerants used in Chinese motor train units at this stage are still R134a and R407c, which have an impact on the environment.
Hongjiang Cui +3 more
doaj +1 more source
The determination of the asynchronous traction motor characteristics of locomotive [PDF]
, 2017 The article deals with the problem of the locomotive asynchronous traction motor control with the AC diesel-electric transmission. The limitations of the torque of the traction motor when powered by the inverter are determined.
Kochin, Alexander Evgenievich +5 more
core +2 more sources
Optimal Design of Tuned Mass-Damper-Inerter for Structure with Uncertain-but-Bounded Parameter
Buildings, 2022 In this study we focus on the H∞ optimization of a tuned mass damper inerter (TMDI), which is implemented on an harmonically forced structure of a single degree of freedom in the presence of stiffness uncertainty. Posed as a min-max optimization problem,
Shaoyi Zhou +5 more
doaj +1 more source
Detection of Locomotive Signal Light and pedestrians on Railway Tracks Using improved YOLOv4
IEEE Access, 2022 Intelligent detection of locomotive signal light and railway pedestrians is of great significance to the safe operation of locomotives, especially under bad illumination conditions. Due to the highly complicated operational environment of locomotives, it
Huanmin Wang, Huayan Pei, Jianbai Zhang
semanticscholar +1 more source
Feedforward-loop phase-locked loop based estimation scheme for sensorless IPMSM drive system
e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 The existence of mechanical speed sensors brings challenges of system reliability. Therefore, drives without speed and position sensors attract much popularity in interior permanent-magnet synchronous motor (IPMSM) drive system. This paper provides a new
Wang Li, Jixiong Jiang, Junwen Mu
doaj +1 more source
VehiclesThe method of improving a two-section mainline diesel locomotive by using energy storage in the traction system is considered. A mathematical model was developed to study the movement of a diesel locomotive based on the recommendations and provisions of ...
I. Riabov, S. Goolak, L. Neduzha
semanticscholar +1 more source
VIRTUAL ROBOT LOCOMOTION ON VARIABLE TERRAIN WITH ADVERSARIAL REINFORCEMENT LEARNING [PDF]
, 2020 Reinforcement Learning (RL) is a machine learning technique where an agent learns to perform a complex action by going through a repeated process of trial and error to maximize a well-defined reward function.
Nguyen, Phong
core +1 more source
Dynamic Preventive Maintenance Optimization of Subway Vehicle Traction System Considering Stages
Applied Sciences, 2022 The current maintenance mode of the subway vehicle traction system does not consider the change of failure rate in the operation of components, and there is an unreasonable maintenance interval and high maintenance cost.
Qi Gong, Li Yang, Yonghua Li, Bin Xue
doaj +1 more source
Chinese Journal of Mechanical EngineeringWheel polygonal wear can immensely worsen wheel/rail interactions and vibration performances of the train and track, and ultimately, lead to the shortening of service life of railway components. At present, wheel/rail medium- or high-frequency frictional
Yunfan Yang +5 more
semanticscholar +1 more source