基于ARM11的粉体动态定量称重控制器设计

设计了一种基于ARM11的粉体动态定量称重控制器.详细介绍了该仪器的硬件组成和软件设计.该仪器采用ARM11嵌入式控制器,以Linux为软件平台完成了A/D转换,触摸屏等驱动程序及应用程序的编写,研究数据滤波和称重误差修正算法以提高称重精度,实现油脂加工企业豆粕等粉体物料参数设置,在线动态定量称重和远程称重过程监控管理等功能.该仪器具有体积小,精度高,功能可扩展等优点.%A powdery dynamic quantitative weighing controller based on ARM11 was designed.The paper introduced the hard-ware,software design in detail.The controller adopted ARM11 as the embedded controller and Linux as the software platform to re-alize A/D conversion,touch screen drive program and application program compiling.Then,data filtering and weighing error correc-tion algorithm was researched to improve weighing precision.Functions of Powdery materials such as bean pulps parameters setting, on-line dynamic quantitative weighing and remote process monitoring and management were realized.The controller has advantages of small volume,high precision and extensible function.