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高频冲击下破拆机器人末端位姿精准控制研究

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针对破拆机器人在作业时钎头对物体高频冲击所产生的反作用力影响末端位姿控制精度的问题,提出了一种模糊滑模控制策略.首先,基于等效思想,将反作用力视为干扰项并引入至破拆臂架动力学方程中;其次,在传统滑模控制器基础上引入模糊控制器,达到补偿干扰的同时提高系统的控制品质;随后,结合Lyapunov定理证明了系统的稳定性;最后,搭建反作用干扰力下的系统模型进行仿真分析,验证了所提控制策略的有效性和优越性.
Research on Precise Control of End Pose of Demolition Robot Under High-Frequency Impact
A fuzzy sliding mode control strategy is proposed to solve the problem that the reaction force generated by the high-frequency impact of the drill bit on the object during the operation of the demolition robot affects the control accuracy of the end pose.Firstly,based on the concept of equivalence,the reaction force is considered as an interference term and introduced into the dynamic equation of the dismantling arm frame;secondly,the fuzzy controller is introduced based on the traditional sliding mode controller to compensate the disturbance and improve the control quality of the system;then,the stability of the system was proved by combining Lyapunov's theorem;finally,a system model under reactive interference force was built for simulation,verifying the effectiveness and superiority of the control strategy proposed in this paper.

demolition robotreactive interference forceend posefuzzy sliding mode control

林鹏、刘庆运

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安徽工业大学 机械工程学院,安徽 马鞍山 243000

破拆机器人 反作用干扰力 末端位姿 模糊滑模控制

安徽省科技重大专项计划项目

201903a05020029

2024

机械工程与自动化
山西省机电设计研究院 山西省机械工程学会

机械工程与自动化

影响因子:0.251
ISSN:1672-6413
年,卷(期):2024.(1)
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