基于驾驶周期的双引擎电动拖拉机驱动系统的设计和优化
Junjiang Zhang1,2,3,4, Bin Zhao1, Xianghai Yan1,2,3
1College of Vehicle and Traffic Engineering, Henan University of Science and Technology, Luoyang, China.
PloS one
|June 2, 2023
概括
基于驾驶周期 (POMBDC) 的新参数优化方法有效地降低了双电机电动拖拉机的功耗和电池容量. 这种方法提高了运行里程,降低了电动农业机械的成本.
科学领域:
- 农业工程 农业工程
- 电动汽车技术 电动汽车技术
- 控制系统 控制系统
背景情况:
- 确定电动拖拉机的最佳功率合装置转速比率和电池容量在设计的早期阶段具有挑战性.
- 现有的方法往往导致效率低下的功率使用和低于最佳的组件尺寸.
- 双引擎驱动系统提供了提高性能的潜力,但需要复杂的控制策略.
研究的目的:
- 开发基于双引擎电动拖拉机的驾驶周期 (POMBDC) 的参数优化方法.
- 为了协同优化电源合器件转速比和动力电池容量.
- 为了最大限度地降低功耗,提高电动拖拉机的运行效率.
主要方法:
- 根据拖拉机的驾驶特性和工作条件,为双引擎驱动系统建立了一个动态模型.
- 开发了POMBDC,专注于根据驾驶周期最小化功耗.
- 通过模拟将POMBDC与即时优化-常速比设计方法 (IO-CSRDM),规则优化-速度比设计方法 (R-OSRDM) 和规则-常速比设计方法 (R-CSRDM) 进行比较.
主要成果:
- 在耕作条件下,POMBDC与其他方法相比,电池容量降低了3.08-8.73%,功耗降低了3.11-8.8%.
- 与其他方法相比,在旋转耕作条件下,POMBDC可将电池容量降低6-11.11%,功耗降低6.05-11.13%.
- 模拟显示,使用POMBDC显著降低了电池容量和功耗.
结论:
- POMBDC有效地优化了双发动机电动拖拉机的转速比和电池容量.
- 这种优化导致电力消耗和电池大小大幅减少,提高了成本效益.
- 拟议的方法可以增加纯电动拖拉机的运行里程,并降低总体成本.
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