Dynamics Analysis of 5-DOF Coupled Model for Electric Vehicle
1. Supply Chain and Procurement Center, Sichuan Tourism University, Chengdu 610100, China
2. College of Information Science and Technology, Southwest Jiaotong University, Chengdu 610031, China
3. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu 610031, China
4. College of Communication Engineering, Jilin University, Changchun 130015, China
| Abstract: | In status quo, electric vehicles are gradually replacing fuel-powered cars as the preferred mode of transportation in cities due to their unique advantages such as being environmentally friendly, easy to maintain, and low in noise. Comfort during the ride has also become a concern for people. This article investigates this issue by establishing a model. One criterion for evaluating comfort is the root mean square value of the acceleration generated by vibrations. This study focuses on a five-degree-of-freedom coupled model of electric vehicles and analyzes the vibrations during their movement on the road. A kinematic model of the five-degree-of-freedom coupled vibration of half of an electric vehicle is established, and the mathematical model of the motion model is obtained using the coefficient method. A simulation model of the kinematic model is constructed in MATLAB/Simulink, and road roughness input is generated using Simulink's filtered white noise. To ensure the accuracy of the simulation, a combined simulation model based on Adams and Simulink is also established in this study. Finally, the optimization design tool in Adams software is utilized to optimize some parameters of the model to achieve a comfortable ride. |
| Keywords: | MATLAB/Simulink; Vibration; Road Roughness Input; Adams; Parameter Optimization |
| DOI: | 10.57237/j.mse.2023.03.002 |
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Received: 17 August 2023
Accepted: 25 August 2023
Published Online: 30 August 2023
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