Double Position Servo Synchronous Drive System Based on Cross-Coupling Integrated Feedforward Control for Broacher

查看全文 作　　者：Wenqi [1,2]LU;Kehui [1]JI;Hanqing [1]DONG;Jianya [1]ZHANG;Quanwu [1]WANG;Liang [1]GUO

机构地区：[1]Faculty of Mechanical Engineering and Automation,Zhejiang Sci-Tech University;[2]College of Electrical Engineering,Zhejiang University

出　　处：《Chinese Journal of Mechanical Engineering》索引2017年第30卷第2期,共14页

基　　金：Supported by National Natural Science Foundation of China(Grant No.51307151);Zhejiang Provincial Public Welfare Technology Application Research Project of China(Grant No.2015C31078);Zhejiang Provincial Natural Science Foundation of China(Grant No.LY14E070008);Zhejiang Postdoctoral Science Foundation of China(Grant No.BSH1402065);Science Foundation of Zhejiang SciTech University(Grant No.13022151-Y) 摘　　要：Synchronization errors directly deteriorate the machining accuracy of metal parts and the existed method cannot keep high synchronization precision because of external disturbances. A new double position servo synchronous driving scheme based on semi-closed-loop crosscoupling integrated feedforward control is proposed. The scheme comprises a position error cross-coupling feedforward control and a load torque identification with feedforward control. A digital integrated simulation system for the dual servo synchronous drive system is established.Using a 20 t servo broacher, performance analysis of the scheme is conducted based on this simulation system and the simulation results show that systems with traditional parallel or single control have problems when the worktable works with an unbalanced load. However, the system with proposed scheme shows good synchronous performance and positional accuracy. Broaching tests are performed and the experimental results show that the maximum dual axis synchronization error of the system is only 8 μm during acceleration and deceleration processes and the error between the actual running position and the given position is almost zero. A double position servo synchronous driving scheme is presented based on crosscoupled integrated feedforward compensation control,which can improve the synchronization precision. 关键词：Broacher 两倍位置伺服同步开车系统交叉联合综合前馈控制

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Double Position Servo Synchronous Drive System Based on Cross-Coupling Integrated Feedforward Control for Broacher

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