某推土机作业时动力传动效率动态匹配

doi:10.16182/j.issn1004731x.joss.17-0400

系统仿真学报 ›› 2019, Vol. 31 ›› Issue (9): 1890-1898.doi: 10.16182/j.issn1004731x.joss.17-0400

某推土机作业时动力传动效率动态匹配

符升平, 李胜波, 罗宁

厦门理工学院机械与汽车工程学院,福建厦门 361024

收稿日期:2017-08-17 修回日期:2017-10-17 发布日期:2019-12-12
作者简介:符升平(1983-),男,湖南益阳,博士,副教授,研究方向为车辆传动系统动态分析。
基金资助:
国家自然科学基金(51505402, 51405410),福建省自然科学基金(2015J01228)

Dynamic Matching of Power Transmission Efficiency of Bulldozer under Operation Condition

Fu Shengping, Li Shengbo, Luo Ning

School of Mechanical and Automotive Engineering, Xiamen University of Technology, Xiamen 361024, China

Received:2017-08-17 Revised:2017-10-17 Published:2019-12-12

摘要/Abstract

摘要： 为解决大功率推土机在持续作业工况下液力机械传动效率较低的问题,建立基于模块化的推土机动力传动系统动力学仿真模型,设计效率型动力传动系统动态匹配策略,建立负载控制模型和油门开度控制模型,构建Isight和Matlab联合集成优化设计平台,整定和优化负载和油门开度控制系统的PID参数,设计完成动力传动系统半实物仿真试验。结果表明所提出的效率型动力传动系统动态匹配方法可有效提高推土机持续作业工况的工作效率,抑制持续作业引起的动力不足等问题。

关键词: 效率控制, 液力机械传动, 动态匹配, 半实物试验, 推土机

Abstract: When a high-power bulldozer works with the heavy load for a long time, the efficiency of hydraulic mechanical transmission decreases obviously. To solve this problem, the dynamic simulation model of bulldozer power transmission is constructed based on modularization theory. And a dynamic match strategy of guaranteeing the high transmission efficiency is designed. Moreover, a load control model and a throttle opening control model are constructed. And then the optimizing design platform is established to confirm and optimize the PID parameters of load control and throttle opening control model adopting Isight and Matlab software. Eventually, hardware-in-the-loop test is designed and accomplished. The results show that the proposed dynamic matching strategy increases the transmission efficiency of bulldozer obviously under continuous operation conditions, and insufficient power during long operation process is effectively controlled.

Key words: efficiency control, hydrodynamic-mechanical transmission, dynamic matching, hardware-in-the-loop test, bulldozer

中图分类号:

U463.2

符升平, 李胜波, 罗宁. 某推土机作业时动力传动效率动态匹配[J]. 系统仿真学报, 2019, 31(9): 1890-1898.

Fu Shengping, Li Shengbo, Luo Ning. Dynamic Matching of Power Transmission Efficiency of Bulldozer under Operation Condition[J]. Journal of System Simulation, 2019, 31(9): 1890-1898.

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某推土机作业时动力传动效率动态匹配

Dynamic Matching of Power Transmission Efficiency of Bulldozer under Operation Condition

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