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Research on key technologies of digital hydraulic components for intelligent construction machinery
[China Instrument Network Instrument R&D] Recently, the National Science and Technology Support Program Project organized by Zhejiang Provincial Department of Science and Technology and Zhejiang University, “Key Technology Research on Digital Hydraulic Components for Intelligent Construction Machinery†acceptance meeting was held in Suzhou, Jiangsu.
(Image source network)
Experts discussed and discussed and the site visited the demonstration. The experts at the meeting agreed that the project has completed the requirements of the targets of the task book and recommended acceptance.
At the meeting, the research team reported on the implementation of the project. The project focused on the key digital hydraulic technology for intelligent construction machinery. The goal was to digitize and intelligentize the construction machinery, and focused on multi-sensor embedding technology and load port independent pressure. Key technologies such as flow distribution provide technical support for the development of intelligent construction machinery and key digital hydraulic components in China. The project has broken through a number of key technologies for digital hydraulics for intelligent construction machinery and achieved a series of scientific and technological achievements: the development of programmable valve control units with 16mm, 25mm diameter and 71ml/r, 100ml/r, 125ml/r Programming pump control unit; digital pump simulation analysis and virtual prototype, variable piston pilot control mechanism design and sensor embedded structure, pressure flow combined control strategy and anti-jamming design technology under harsh environment; research and development of the three specifications of the path The key technology of digital valve has broken through the multi-model coupled virtual prototyping technology of digital valve, load power matching and flow distribution technology; breakthrough the modular design technology of intelligent control hydraulic system of engineering machinery and the smart machine operation test of engineering machinery driven by cloud service And other key technologies. A number of digital hydraulic key products, key technologies, and key software for intelligent construction machinery with independent intellectual property rights have been formed, providing key technical support for the development of China's intelligent construction machinery.
The project's R&D products are installed on the XGMA intelligent excavators and XCMG cranes, and ZIC, Sanyi, and XGMA have established application bases for key digital hydraulic components of intelligent construction machinery. Digital pump products have already been industrialized and started. Bulk supply. The project results have achieved good economic and social benefits and have good prospects for promotion and application.
At the same time, the participating experts also hope that the research group will continue to improve and advance the achievements of the project, accelerate the pace of technological and management innovation, and through the demonstration application, sum up the achievements and experience, and make contributions to the technological breakthrough of key hydraulic components of intelligent construction machinery.
(The title of the "12th Five-Year Plan" National Science and Technology Support Program "The Key Technology Research of Digital Hydraulic Components for Intelligent Construction Machinery" passed the acceptance)