Time-stamped Cross-coupled Control in Networked CNC Systems

摘要：

This paper proposes a time-stamped cross-coupled control (TSCCC) algorithm to deal with the asynchronous sampling and network-induced delays in networked computer numerical control (CNC) machines. It uses time-stamps to estimate the network-induced delays from the sampling instants of different axes to the controller node. The network-induced delays are considered for accurately estimating the contour error in real-time. Furthermore, a networked CNC simulation system based on TrueTime toolbox is constructed, on which the proposed TSCCC algorithm is compared with the crosscoupled control (CCC) algorithm. Simulation results on two DC servomotors show that the TSCCC algorithm achieves better contour accuracy than the CCC algorithm.

作者: Xiong Xu Xinjun Sheng Zhenhua Xiong Xiangyang Zhu

作者单位: Robotics Institute,School of Mechanical Engineering,Shanghai Jiao Tong University,Shanghai 200240,P. R. China

会议类型: 国际会议

会议名称: 2011 IEEE International Conference on Robotics and Automation(2011年IEEE世界机器人与自动化大会 ICRA 2011)

会议地点: 上海

会议语种:英文

页码: 4378-4383

在线出版日期: 2011-05-09（万方平台首次上网日期，不代表论文的发表时间）