Clutch Switching Timing Optimization of Dual-Mode Hydro-Mechanical Transmission Device

doi:10.7652/xjtuxb202101011

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Clutch Switching Timing Optimization of Dual-Mode Hydro-Mechanical Transmission Device

更新时间：2025-07-09

- Clutch Switching Timing Optimization of Dual-Mode Hydro-Mechanical Transmission Device
- Vol. 55, Issue 1, Pages: 86-93(2021)
- 作者机构：
  
  1. 河南科技大学车辆与交通工程学院,河南,洛阳,471003
  2. 河南科技大学机械装备先进制造河南省协同创新中心,河南,洛阳,471003
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202101011
  CLC： TH13
- Online First：10 January 2021，
  
  Published：2021
- 稿件说明：
移动端阅览
Clutch Switching Timing Optimization of Dual-Mode Hydro-Mechanical Transmission Device[J]. 2021, 55(1): 86-93.
DOI：

Clutch Switching Timing Optimization of Dual-Mode Hydro-Mechanical Transmission Device[J]. 2021, 55(1): 86-93. DOI： 10.7652/xjtuxb202101011.

摘要

为改善双模式液压机械传动装置(DHMT)模式切换品质

运用正交试验及极差分析法对切换过程中多个离合器的切换时序进行优化。在分析DHMT传动原理与模式切换过程的基础上

建立模式切换过程及切换品质评价指标模型

提出了一种基于正交试验及极差分析的DHMT离合器切换时序优化方法

以参与模式切换过程的多个离合器的切换时序为影响因子设计正交试验表

进行正交试验仿真

并对仿真结果进行极差分析

得到各离合器切换时序对各评价指标的影响程度

综合平衡各项指标后得出DHMT离合器切换时序优化方案组合。仿真结果表明:参考本文研究对象

基于离合器时序优化方案的模式切换过程冲击度为6.15 m/s

低于17.64 m/s

的国内标准

滑摩功为2.8 kJ

切换时间为1.05 s

均在合理范围之内。试验结果表明:试验与仿真结果接近

且变化趋势一致

验证了所建模型的正确性

并进一步说明通过优化离合器切换时序可有效提高DHMT模式切换品质。研究结果可为制定双模式液压机械传动装置模式切换过程控制策略提供理论参考。

Abstract

To improve the mode switching quality of dual-mode hydro-mechanical transmission(DHMT)

orthogonal test and range analysis methods were used to optimize the switching timing sequence of multiple clutches during the switching process. Based on the analysis of DHMT transmission principle and mode switching process

the models of mode switching process and switching quality evaluation index were established. A timing optimization method of DHMT clutch switching based on orthogonal test and range analysis was presented. The orthogonal test table was designed with the switching time sequence of multiple clutches participating in the mode switching p

rocess as the influence factor

and orthogonal test simulation was carried out. The range analysis of the simulation results was carried out to get the influence degree of each clutch’s switching time sequence on each evaluation index. After comprehensive balance of all indexes

the optimization scheme combination of DHMT clutch switching timing sequence was obtained. The simulation results show that the impact degree of the mode switching process based on the optimization scheme is 6.15 m/s

lower than the domestic standard of 17.64 m/s

and the sliding power is 2.80 kJ and the switching time was 1.05 s

both within the reasonable range. The test results are close to the simulation results and the variation trend is consistent

which verifies the correctness of the model built in the paper

and further indicates that the DHMT mode switching quality can be effectively improved by optimizing the timing sequence of clutch switching. This research can provide a theoretical reference for the formulation of control strategy of mode switching process of dual-mode hydro-mechanical transmission device.

关键词

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references

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