基于扰动前馈补偿的HMT换段离合器控制方法
S232%TH13; 液压机械传动装置(hydro-mechanical transmission,HMT)是一种机-液耦合的强非线性系统,在换段过程中存在外界负载扰动和建模误差等因素影响其换段品质.该研究在分析HMT组成及工作原理的基础上,建立了HMT换段过程动力学模型和线性二次型控制模型,提出一种基于扰动前馈补偿的换段离合器控制方法,借助扰动观测器估计HMT换段过程的总扰动,将扰动补偿增益引入控制器的前馈项,实现扰动前馈补偿,并设计了抑制换段过程扰动的控制器.仿真结果表明,与未采用扰动前馈补偿控制相比,扰动前馈补偿控制的扰动值最大降低了 48.9%、冲击度降低了27.8%、滑摩功减少了 2...
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Published in | 农业工程学报 Vol. 39; no. 9; pp. 76 - 82 |
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Main Authors | , , , |
Format | Journal Article |
Language | Chinese |
Published |
机械装备先进制造河南省协同创新中心,洛阳471003%河南科技大学车辆与交通工程学院,洛阳471003
01.05.2023
河南科技大学车辆与交通工程学院,洛阳471003 |
Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.11975/j.issn.1002-6819.202211093 |
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Abstract | S232%TH13; 液压机械传动装置(hydro-mechanical transmission,HMT)是一种机-液耦合的强非线性系统,在换段过程中存在外界负载扰动和建模误差等因素影响其换段品质.该研究在分析HMT组成及工作原理的基础上,建立了HMT换段过程动力学模型和线性二次型控制模型,提出一种基于扰动前馈补偿的换段离合器控制方法,借助扰动观测器估计HMT换段过程的总扰动,将扰动补偿增益引入控制器的前馈项,实现扰动前馈补偿,并设计了抑制换段过程扰动的控制器.仿真结果表明,与未采用扰动前馈补偿控制相比,扰动前馈补偿控制的扰动值最大降低了 48.9%、冲击度降低了27.8%、滑摩功减少了 29.6%、换段时间减少了 15.3%.最后通过试验验证了所提方法在快速处理换段过程扰动的同时,可较好地提升HMT的换段品质.研究结果可为液压机械传动装置的工程应用提供参考. |
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AbstractList | S232%TH13; 液压机械传动装置(hydro-mechanical transmission,HMT)是一种机-液耦合的强非线性系统,在换段过程中存在外界负载扰动和建模误差等因素影响其换段品质.该研究在分析HMT组成及工作原理的基础上,建立了HMT换段过程动力学模型和线性二次型控制模型,提出一种基于扰动前馈补偿的换段离合器控制方法,借助扰动观测器估计HMT换段过程的总扰动,将扰动补偿增益引入控制器的前馈项,实现扰动前馈补偿,并设计了抑制换段过程扰动的控制器.仿真结果表明,与未采用扰动前馈补偿控制相比,扰动前馈补偿控制的扰动值最大降低了 48.9%、冲击度降低了27.8%、滑摩功减少了 29.6%、换段时间减少了 15.3%.最后通过试验验证了所提方法在快速处理换段过程扰动的同时,可较好地提升HMT的换段品质.研究结果可为液压机械传动装置的工程应用提供参考. |
Author | 罗自赢 张明柱 李辉煌 曹付义 |
AuthorAffiliation | 河南科技大学车辆与交通工程学院,洛阳471003;机械装备先进制造河南省协同创新中心,洛阳471003%河南科技大学车辆与交通工程学院,洛阳471003 |
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Author_FL | CAO Fuyi LI Huihuang ZHANG Mingzhu LUO Ziying |
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DocumentTitle_FL | Control method of HMT shifting clutch based on the disturbance feedforward compensation |
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Keywords | 传动 控制 transmission hydraulic-mechanical feedforward compensation control 液压机械 shifting clutch 换段离合器 前馈补偿 |
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Title | 基于扰动前馈补偿的HMT换段离合器控制方法 |
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