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              Citation: Yi Liu, Jiafei Zheng, Ruiyin Song, Qiaoning Xu, Junhua Chen and Fangping Huang. Simple Push-Type Wave Generating Method Using Digital Rotary Valve Control. Chinese Journal of Mechanical Engineering. doi: 10.1186/s10033-019-0429-4 shu

              Simple Push-Type Wave Generating Method Using Digital Rotary Valve Control

              • Author Bio: Yi Liu, received his PhD degree in mechanical engineering from Zhejiang University, China, in 2013. Since 2013, he has been an associate professor with Zhejiang University, Ningbo Institute of Technology. His current research interests include electro-hydraulic control systems of vibration exciters and mechatronic systems design
                Jiafei Zheng, received the bachelor degree in machine design manufacture and automation from Ningbo Institute of Technology, Zhejiang University, China, in 2018. She became a graduate student with Soochow University, China. Her current research interests include wave simulation control, controlling and optimizing of the complex system, development of production management information system
                Ruiyin Song, born in 1974, is currently an associate professor at Ningbo Institute of Technology, Zhejiang University, China. He received his PhD degree from Zhejiang University, China, in 2006. His research interests include wave energy generation technology and wave simulation control
                Qiaoning Xu, received the PhD degree in mechanical engineering from Zhejiang University, China, in 2015. Since 2015, she has been in Zhejiang University of Technology, China. Her current research interests include fault diagnosis for hydraulic systems and electro-hydraulic system control
                Junhua Chen, received his Ph.D. degree in mechanical engineering from Nanchang University, China, in 2011. Since 2018, He was the Vice Chairman of Ningbo Mechanical Engineering Society. His current research interests include marine equipment and mechatronics
                Fangping Huang, received his Master's degree in mechanical engineering from Zhejiang University, China, in 2005. Since 2010, he has been an associate professor with Ningbo Institute of Technology, Zhejiang University. His current research interests include electro-hydraulic control systems and mechatronic systems design
              • Corresponding author: Ruiyin Song, ruiyinsong@163.com
              • Received Date: 2019-09-04
                Accepted Date: 2019-12-10
                Available Online: 2020-02-28

                Fund Project: Ningbo Major Scientifc and Technological Projects 2017C110005National Natural Science Foundation of China 51605431Ningbo Municipal Natural Science Foundation of China 2019A610162National Natural Science Foundation of China 51705456

              Figures(8) / Tables(6)

              • The important parameters to describe waves are their amplitude and length. In order to make it easier to improve wave amplitude and facilitate wave experiment, a simple push-type wave generating method using digital rotary valve control was proposed and diferent wave amplitudes were generated by the new method. After the mathematical model of the new method had been established, numerical analysis based on the linear wave theory was carried out by means of Matlab/Simulink software tools, and experiments were conducted on the push-type wave maker to ascertain the validity of the established model and the numerical simulation results. It shows that both experimental and theoretical results agree relatively well, and the plate motion frequency and amplitude of the push-type wave maker can be continuously adjusted and the various required regular waves can be obtained. Although the wave amplitude and length descends with the increasing of working frequency, the wave amplitude can be improved conveniently by setting the axial opening width of the valve and the oil supply pressure of system. The wave length remains unchanged with the axial opening width and the oil supply pressure change. The research indicates that different regular waves can be easily generated by the new method and the wave amplitude can be further improved in a certain plate motion frequency range.
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