针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提...针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提出电动机电流跟随算法.实验结果表明,该算法保证了两轴同步运动的精度,实现了焊接小车快速平稳运行.展开更多
As a result of the lower backing weld efficiency, the applying of automatic welding is seriously limited. So a kind of special automatic welder is designed and manufactured for backing weld. This paper introduces the ...As a result of the lower backing weld efficiency, the applying of automatic welding is seriously limited. So a kind of special automatic welder is designed and manufactured for backing weld. This paper introduces the character of the assembled pulse CO2 arc welding machine which has strong penetrability. It specifies the technology of controlling the parameters of all position automatic welding by computer and multi-axis controller. Moreover typical welding procedure parameters are provided. It is proved by examination that the economical and practical equipment and technology are suitable for the long-distance transmission pipeline, and it has a good foreground of spreading and applying.展开更多
文摘针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提出电动机电流跟随算法.实验结果表明,该算法保证了两轴同步运动的精度,实现了焊接小车快速平稳运行.
文摘As a result of the lower backing weld efficiency, the applying of automatic welding is seriously limited. So a kind of special automatic welder is designed and manufactured for backing weld. This paper introduces the character of the assembled pulse CO2 arc welding machine which has strong penetrability. It specifies the technology of controlling the parameters of all position automatic welding by computer and multi-axis controller. Moreover typical welding procedure parameters are provided. It is proved by examination that the economical and practical equipment and technology are suitable for the long-distance transmission pipeline, and it has a good foreground of spreading and applying.