Energy-saving control for traction frequency-regulated asynchronous engine of an electric vehicle

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Authors:

V.A.Volkov, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0003-1262-3988, Dnipro University of Technology, Dnipro, Ukrainе, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

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Abstract:

Purpose. Development of energy-saving control of a traction frequency-regulated asynchronous engine of an electric vehicle, investigation of its electro-mechanical and power processes.

Methodology. Methods of variational calculus, Runge-Kutta, mathematical analysis and interpolation, computer modeling.

Findings. Analytical dependencies are obtained to calculate the total power and energy losses for a traction frequency-regulated asynchronous engine (FRAE) under acceleration and deceleration regimes. With the help of these dependencies, quantitative assessment of the indicated power and energy losses was carried out, the electromechanical and energy processes of this FRAE for the proposed energy-saving and known (linear and parabolic) velocity trajectories were investigated.

Originality. Energy-efficient tachograms for traction FRAE with two control zones (with constant and weakened magnetic flux) are proposed, which allow minimizing its total energy loss in the start-braking regimes. Dependences are obtained which allow determining the energy-saving values of the speed of an electric vehicle in steady-state regimes.

Practical value. The application of the obtained results ensures a reduction in unproductive energy losses in the traction FRAE of the electric vehicle and an increase in the mileage of the latter on a single charge of the battery.

References.

1. Dongbin, L., & Minggao, O. (2014). Torque-based Optimal Acceleration Control for Electric Vehicle. Chinese journal of mechanical engineering, 27, 319-330.

2. Volkov, V. A. (2019). Energy-saving tachograms acceleration (deceleration) of a frequency-regulated asynchronous engine for super nominal speeds. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (4), 55-62. https://doi.org/10.29202/nvngu/2019-4/11.

3. Patil, R. M., Filipi, Z., & Fathy, H. K. (2013). Comparison of Supervisory Control Strategies for Series Plug-In Hybrid Electric Vehicle Power trains Through Dynamic Programming. IEEE Transactions on control systems technology, 1-8.

4. Ebbesen, S., Salazar, M., Elbert, Ph., Bussi, C., & On­der, Ch. H. (2017). Time-optimal Control Strategies for a Hybrid Electric Race Car. IEEE Transactions on control systems technology, 1-15.

5. Livinţ, G., Horga, V., Răţoi, M., & Albu, M. (2011). Control of Hybrid Electrical Vehicles. Electric Vehicles – Modelling and Simulations, 41-66.

6. Klepikov, V. B., & Semikov, A. V. (2017). Energy efficiency regenerative modes of the electric vehicle. Tehnichna electrodinamica, (6), 36-42.

7. Poddubko, V. B., Belevich, A. V., & Adashkevich, V. I. (2017). Electric vehicle mockup: stages of creation and first results. Mekhanika mashin, mekhanizmov i materialov, 4(41), 7-14.

8. Volkov, V. A. (2018). Energy-saving traction frequen-cy-regulated synchronous-reactive engine. Electromechanical and energy saving systems, 3(43), 8-23.

9. Volkov, A. V., & Kolesnikov, A. A. (2013). Energy-saving speed control of variable frequency asynchronous engine in acceleration and deceleration regimes. Electronechnika, 5, 2-9.

10. Grunditz, E. A. (2016). Design and Assessment of Battery Electric Vehicle Powertrain, with Respect to Performance, Energy Consumption and Electric Motor Thermal Capability. Göteborg, Sweden: Chalmers University of Technology.

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Registration data

ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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