The Design and Analysis of Double Cutter Device for Hinge and Suction Dredger Based on Feedback Control Method
Junyu Li; Yuanyuan Shi; Kunpeng Rao; Kaiyang Zhao; Jianfeng Xiao; Ting Xiong; Yizhe Huang; Qibai Huang
The hinge and suction dredger is widely used in the construction field such as in river and lake management, water dredging, and port infrastructure projects, etc. With the continuous development of modern dredging technology, the traditional hinge and suction dredger cannot adapt to the complex environment during the construction process and there are problems such as large energy consumption and over-excavation and leakage excavation. In this paper, a double cutter dredger was designed that has a wider adaptability to water than a single cutter dredger. At the same time, based on the principle of passive adaptive control, the working parameters of the control system were calculated and determined, and an adaptive control algorithm was proposed to determine the water environment by using the current difference between the two cutters. Finally, the feasibility of the structure and algorithm was verified by experiments. The efficiency of cutter suction dredger was improved, and the energy consumption was reduced by 9&ndash:25% in the ideal state.
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