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基于领航-跟随结构的联合收获机群协同导航控制方法
Harvester Group Corporative Navigation Method Based on Leader-Follower Structure

查看参考文献28篇

文摘 面向联合收获机群协同导航作业需求,提出一种基于领航-跟随结构的收获机群协同导航控制方法。该方法在建立收获机群运动学模型的基础上,结合反馈线性化及滑模控制理论设计了渐进稳定的路径跟踪控制律和队形保持控制律。为验证所提模型及方法的有效性,以4台收获机组成的收获机群为试验平台,进行了机群协同导航控制试验。当速度为1.0 m/s时,领航者的平均跟踪误差为5.81 cm,跟随者的平均跟踪误差为5.93 cm,与单台收获机的导航控制精度相近,验证了所提方法的可行性和有效性。
其他语种文摘 With the improvement of the farm mechanization level, more 'corporate' style farming emerged. For example, more than one harvester collaborated with each other to complete the task of harvesting operations. The new 'corporate' style farming created several new challenges for the agricultural machinery navigation, and the group navigation was the trend of the development of agricultural machinery navigation technology. Group collaborative navigation control is the critical technical problem to be resolved. In order to solve this problem, a collaborative navigation control method based on the leader-follower structure was proposed. Firstly, the harvester group based on master-slave structure was introduced, and a kinematics model of harvester group was established on the basis of kinematics analysis. Secondly, a formation keeping control law and a path following control law were designed on the basis of feedback linearization and sliding mode control theory. Finally, in order to verify the effectiveness of the proposed model and method, the formation experiments were carried out. When the leader and follower ran at speed of 1.0 m/s, the average error of the leader and follower were respectively 5.81 cm and 5.93 cm. The experimental results showed that the average navigation errors of the harvester group were similar to the average navigation error of a single farm machinery, and the proposed method could meet the harvester navigation demand.
来源 农业机械学报 ,2017,48(7):14-21 【核心库】
DOI 10.6041/j.issn.1000-1298.2017.07.002
关键词 收获机群 ; 跟随-领航结构 ; 协同控制 ; 路径跟踪 ; 队形保持
地址

中国科学院沈阳自动化研究所, 沈阳, 110016

语种 中文
文献类型 研究性论文
ISSN 1000-1298
学科 自动化技术、计算机技术
基金 国家重点研发计划项目 ;  辽宁省科技攻关项目
文献收藏号 CSCD:6033107

参考文献 共 28 共2页

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