The study of forced oscillations in the non-linear system of an individual traction drive
- Authors: Klimov A.V.1,2
-
Affiliations:
- KAMAZ Innovation Center
- Moscow Polytechnic University
- Issue: Vol 91, No 3 (2024)
- Pages: 291-302
- Section: Theory, designing, testing
- URL: https://journals.rcsi.science/0321-4443/article/view/269799
- DOI: https://doi.org/10.17816/0321-4443-623828
- ID: 269799
Cite item
Abstract
BACKGROUND: The processes taking place in the ‘traction electric drive – wheel – road’ system during acceleration and braking cause increased dynamic loads on drive components, which may lead to a breakdown. Therefore, it is important to control the drive in a way to minimize and to suppress the given processes. To make it possible, the control system is to be equipped with a resistance torque observer at the electric motor shaft. In addition, in any system, there is a heighten interest in study of arise of resonances, which come with abrupt increase of oscillations amplitudes. Therefore, the features of oscillation phenomena in the given non-linear system are to be studied.
AIM: Identification of the peculiarities of oscillatory processes, resonance phenomena in the systems of electromechanical drive of vehicles, which are nonlinear technical systems.
METHODS: The study of features of the oscillating processes and the study of capabilities of arise of resonant phenomena were conducted using analysis of the differential equations system describing the operation of the non-linear system.
RESULTS: The features of the oscillating phenomena in non-linear systems of interaction between an elastic wheel and road as well as capabilities of arise of resonant phenomena were considered. It is defined that arise of the resonant phenomena in the considered systems is not possible due to breakdown of them. The behavior of modes of interaction between an elastic wheel and road during intensive acceleration and braking was analyzed. The abrupt shock behavior of change rate of wheel torque and current consumed by a drive as well as features of lowering of them when using the self-oscillating phenomena suppression were found.
CONCLUSION: The practical value of the study lies in ability of using the proposed conclusions at development of units of a traction electric drive and at synthesis of vehicle motion control systems.
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##article.viewOnOriginalSite##About the authors
Aleksander V. Klimov
KAMAZ Innovation Center; Moscow Polytechnic University
Author for correspondence.
Email: klimmanen@mail.ru
ORCID iD: 0000-0002-5351-3622
SPIN-code: 7637-3104
Scopus Author ID: 57218166154
Cand. Sci. (Engineering), Head of the Electric Vehicles Service; Associate Professor of the Advanced Engineering School of Electric Transport
Russian Federation, Moscow; MoscowReferences
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