Simulation and Experiment of the Smoothness Performance of an Electric Four-Wheeled Chassis in Hilly and Mountainous Areas

Yuan Fu, Zheng Liu, Yuxiao Jiang, Yuancai Leng, Jialong Tang, Renqi Wang and Xiaorong Lv ()
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Yuan Fu: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Zheng Liu: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Yuxiao Jiang: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Yuancai Leng: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Jialong Tang: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Renqi Wang: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China
Xiaorong Lv: School of Machinery & Electronics, Sichuan Agricultural University, Ya’an 625014, China

Sustainability, 2023, vol. 15, issue 24, 1-18

Abstract: This paper addresses the issues caused by traditional tractors during seeding operations, such as soil compaction, decreased soil fertility, use of unclean fuel leading to environmental pollution, and the disruption of sustainable development. In response, the study designs a compact and lightweight electric four-wheel-drive chassis for a seeding robot suitable for strip planting of soybeans and corn. Using RecurDyn(V9R2) software and MATLAB/Simulink(2020a) modules, the paper conducts simulation and analysis of the straight-line driving process of the electric four-wheel-drive chassis on hilly terrain in field conditions. The simulation results demonstrate that when the suspension stiffness is 14.4 kN/m and the damping is 900 N·s/m, the chassis achieves optimal vibration reduction and straight-line driving performance. Experimental results based on the simulation findings indicate a high consistency between the simulation and actual models, confirming that optimizing the suspension damping parameters effectively improves chassis smoothness and enhances operational quality.

Keywords: electric four-wheel independently driven chassis; dynamics simulation; smoothness performance; suspension parameter optimization; experimental validation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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