引用本文:李明生, 叶进, 宋海兰, 陈俊杰.拖拉机电液悬挂半物理仿真系统设计及试验[J].西南大学学报(自然科学版),2018,40(12):14~21
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拖拉机电液悬挂半物理仿真系统设计及试验
李明生, 叶进, 宋海兰, 陈俊杰1,2,3
1. 西南大学 工程技术学院, 重庆 400715;2. 西南大学 智能传动与控制技术国家地方联合工程实验室, 重庆 400715;3. 重庆大学 机械工程学院, 重庆 400044
摘要:
为实现拖拉机电液悬挂系统的准确控制,以福田雷沃欧豹TG1254拖拉机为研究平台,设计了一套拖拉机电液悬挂半物理仿真系统.该系统硬件平台主要包括拖拉机液压回路、传感器、数据采集装置等;软件平台采用SIT模块,联合LabVIEW和MATLAB建立控制器模型.设计自适应控制算法,实现系统的牵引力调节、位置调节和力位综合调节并进行了实车试验.在牵引力调节试验、位置调节试验和力位综合调节试验中,系统过渡过程时间均低于或等于6 s,系统超调量小于或等于25%,系统控制过程平稳,耕深稳定,实现作业质量提升.
关键词:  拖拉机  悬挂  半物理仿真
DOI:10.13718/j.cnki.xdzk.2018.12.003
分类号:S232.3
基金项目:国家重点研发计划项目(2016YFD0701001);中央高校基本科研业务费专项资金重点项目(XDJK2016B007).
Design and Test of a Semi-Physical Simulation System for the Tractor Electro-Hydraulic Hitch
LI Ming-sheng, YE Jin, SONG Hai-lan, CHEN Jun-jie1,2,3
1. School of Engineering and Technology, Southwest University, Chongqing 400715, China;2. National &Local Joint Engineering Laboratory of Intelligent Transmission and Control Technology, Southweat University, Chongqing 400715, China;3. College of Mechanical Engineering, Chongqing University, Chongqing 400044, China
Abstract:
A tractor electro-hydraulic suspension semi-physical simulation system was designed with the tractor LOVOL TG1254 as the research platform. The hardware platform of the system mainly included a tractor hydraulic circuit, a sensor and a data acquisition device. The software platform used SIT module, combined with LabVIEW and MATLAB to establish a controller model. An adaptive control algorithm was designed to realize the force control, position control and force-position comprehensive control of the system. A field experiment showed that the transition time of the system was less than or equal to 6s, and its overshoot was less than or equal to 25%. The control process was stable, the ploughing depth was stable and the operation quality was promoted.
Key words:  tractor  hitch  semi-physical simulation
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