针对截面变化的圆柱型编织物的参数控制,将EtherCAT(ethernet for control automation technology)通信技术引入编织机控制系统,设计了基于EtherCAT多轴伺服系统的编织机控制系统,并阐述了其组成及原理,构建了以触摸屏为主站以及倍福功...针对截面变化的圆柱型编织物的参数控制,将EtherCAT(ethernet for control automation technology)通信技术引入编织机控制系统,设计了基于EtherCAT多轴伺服系统的编织机控制系统,并阐述了其组成及原理,构建了以触摸屏为主站以及倍福功能模块为从站的网络结构。设计了控制算法以控制多电机协同,从而控制编织参数。采用两个芯模进行编织试验并采集编织参数进行分析,结果表明编织参数控制准确有效。展开更多
To increase the limit of ethernet over coax （EoC） technology in the bidirectional reform of the hybrid fiber coaxial （HFC） network, an ethernet passive electronic network （EPEN） system based on Coax is proposed ...To increase the limit of ethernet over coax （EoC） technology in the bidirectional reform of the hybrid fiber coaxial （HFC） network, an ethernet passive electronic network （EPEN） system based on Coax is proposed and experimentally demonstrated in this paper. The proposed EPEN exploits the existing capabilities of the MAC layer in the ethernet passive optical network （EPON） for reduction of cost of the HFC network. As the MPCP （multi-point control protocol） is introduced in the EPEN, bandwidth control and higher efficiency can be achieved. The experimental results exhibit the throughput of system up to 100Mbps, which meet the requirements of HFC network. To improve the performance of EPEN, frequency division multiplexing （FDM） can be used for further increase of the throughput and more hardware processing modules in the future. can be implemented to enhance the capacity展开更多
文摘针对截面变化的圆柱型编织物的参数控制,将EtherCAT(ethernet for control automation technology)通信技术引入编织机控制系统,设计了基于EtherCAT多轴伺服系统的编织机控制系统,并阐述了其组成及原理,构建了以触摸屏为主站以及倍福功能模块为从站的网络结构。设计了控制算法以控制多电机协同,从而控制编织参数。采用两个芯模进行编织试验并采集编织参数进行分析,结果表明编织参数控制准确有效。
基金Supported by the National High Technology Research and Development Program of China(No.2007AA01Z229)
文摘To increase the limit of ethernet over coax （EoC） technology in the bidirectional reform of the hybrid fiber coaxial （HFC） network, an ethernet passive electronic network （EPEN） system based on Coax is proposed and experimentally demonstrated in this paper. The proposed EPEN exploits the existing capabilities of the MAC layer in the ethernet passive optical network （EPON） for reduction of cost of the HFC network. As the MPCP （multi-point control protocol） is introduced in the EPEN, bandwidth control and higher efficiency can be achieved. The experimental results exhibit the throughput of system up to 100Mbps, which meet the requirements of HFC network. To improve the performance of EPEN, frequency division multiplexing （FDM） can be used for further increase of the throughput and more hardware processing modules in the future. can be implemented to enhance the capacity
