Active Reduction of Gear Mesh Vibrations by Drive Torque Control

Reitmeier, Dominik; Mertens, Axel

doi:10.1109/icm54990.2023.10101958

Cited by 1 publication

(1 citation statement)

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“…However, many other control systems can be utilized in modern traction drive systems. Efforts in this research area include controllers and control systems for solving dynamic issues with an adhesion loss and re-gain [6,7], control systems for an active reduction of vibrations and noise [8][9][10], predictive slip control systems [11] or systems applying advantages of fuzzy logic for anti-slip control against classic Proportional-Integral-Derivative (PID) controllers [12]. Another area of research of torsion oscillations of traction drives focuses on the investigation of dynamic As the most probable reason for such shifts, the phenomenon of torsion oscillations was assumed.…”

Section: Introductionmentioning

confidence: 99%

The Individual Drive of a Wheelset and the Problematics of Its Electromechanical Phenomena

Dybala,

Fridrichovský,

Kalivoda

2024

Vehicles

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This paper deals with the phenomenon of torsion oscillations in railway vehicle drive systems. The main goal is to reduce the risk of presence of torsional oscillations in wheelset drive, eventually to propose systems to effectively identify and eliminate torsional oscillations of wheelsets. Therefore, a simulation wheelset drive model including a detailed model of the asynchronous traction motor control was built. The results of computer simulations show that the torsional oscillations can be effectively eliminated by avoiding the resonance states between the excitation frequencies given by pulse width modulation of the inverter and the eigenfrequencies of the mechanical part of the drive. Furthermore, it was found that the presence of torsional oscillations of the wheels can be detected based on the traction motor current ripple. The wheelset drive model was subsequently implemented in a simulation model of a four-axle locomotive. A new algorithm of an anti-slip protection system that utilizes motor currents was implemented in the model. Simulations show that such an anti-slip protection system can prevent the occurrence of undesired large amplitude of wheelset torsional oscillations. The models and simulation results are presented in detail in the paper.

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