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Research Article |

Modelling of Electric Vehicle with PID Controller Transfer Function using GA and Model-Reduced Order DRA Algorithm

Author(s): Vasudeva Naidu Pudi*, GVSSN Srirama Sarma, Srinivasa Rao Sura, Prasad Bolla and N Siva Mallikarjuna Rao

Published In : International Journal of Electrical and Electronics Research (IJEER)        volume 9, issue 4

Publisher : FOREX Publication

Published : 30 December 2021

e-ISSN : 2347-470X

Page(s) : 135-142

DOI: https://doi.org/10.37391/IJEER.090407

Abstract

In this paper, a model of an electric vehicle transfer function using GA and a model-reduced order discrete time realization (DRA) algorithm is presented. The electric vehicle (EV) control system regulates vehicle speed according to the driver’s command signal and brings the vehicle to its equilibrium point, i.e., the desired speed under any abnormal conditions. The controller transfer function is designed based on EV's dynamic differential equations. An infinite-order transcendental transfer function for the EV model is approximated to find high-reliability discrete-time state-space reduced-order models (ROMs). Reduced the robustness and increased the predictions' accuracy of ROM output in terms of accurate numerical simulations of the EV transfer function. Also, the design of the PID controller parameter using optimization techniques (OT) for the tuning of conventional controllers for the desired speed is done using a linearized model. In this study, the performance of a conventional PID controller is compared with that of a GA-based PID controller. In terms of maximum overshoot, peak time, rising time, settling time, and steady state error, the simulation results show that the suggested controller is preferable.

Keywords: Electric Vehicle, Vehicle Control, Genetic Algorithm, Ho–Kalman method, Discrete Time Realization (DRA) Algorithm.




Vasudeva Naidu Pudi*, DoEEE, Matrusri Engineering College, India; Email: pvdnaidu81@gmail.com

GVSSN Srirama Sarma, DoEEE, Matrusri Engineering College, India

Srinivasa Rao Sura, DoEECE, GITAM, India

Prasad Bolla, DoEECE, GITAM, India

N Siva Mallikarjuna Rao, DoEECE, GITAM, India

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Vasudeva Naidu Pudi, GVSSN Srirama Sarma, Srinivasa Rao Sura, Prasad Bolla and N Siva Mallikarjuna Rao (2021), Modelling of Electric Vehicle with PID Controller Transfer Function using GA and Model-Reduced Order DRA Algorithm. IJEER 9(4), 135-142. DOI: 10.37391/IJEER.090407.