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Finite Element Modeling and Robust Control of Plant Protection Machine Boom

Jingyang Zhang, Xiangdong Wang, and Shujiang Li
School of Information Science and Engineering, Shenyang University of Technology, Shenyang, China
Abstract—In order to reduce the horizontal deformation caused by the sprayer rigid frame of the plant protection machine, this paper establishes the structural dynamics model of the spray boom rigid frame based on the rigid frame structure commonly used in the plant protection machine spray boom, and transforms it into state space form. A robust controller based on state observer is designed. The boom frame with vibration deformation due to disturbance is controlled. Simulation results show that the method is effective in restraining the horizontal vibration deformation of the spray rod frame. The research results provide a method for restraining the vibration deformation of the spray rod frame structure of plant protection machine.
 
Index Terms—spray boom, finite element, model space, vibration deformation, robust control

Cite: Jingyang Zhang, Xiangdong Wang, and Shujiang Li, "Finite Element Modeling and Robust Control of Plant Protection Machine Boom," Journal of Advanced Agricultural Technologies, Vol. 6, No. 4, pp. 257-262, September 2019. Doi: 10.18178/joaat.6.4.257-262
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