A detailed embedded system hardware and software design are developed . this paper brings out some program flow diagrams of important models 系統地介紹了嵌入式硬件的設計,對其中主要軟件模塊給出了具體的流程圖。
Finally , the control part of the tightening machine is introduced . the closed loop control is applied in the whole of control part and the control precision can be improved . the principle diagrams of the main circuit and the program flow diagram of the main control system are given 最后,對擰緊機的控制部分進行了介紹,整個控制部分采用閉環控制,提高了控制精度,文中還給出了主要電路部分的原理圖和主控單元的軟件流程圖。
The calculation method of the uncertainty of the examination by error theory is introduced . the semi - automatic method to examine the digital meter by vb technique and the problems existed in the process are discussed . the program flow diagram and part of program are given 使其具有測試、數據處理、數據存貯、證書打印、查詢文檔等功能;介紹了檢測軟件主要設計過程;利用誤差理論分析了誤差,詳細介紹了不確定度的計算方法;介紹了利用visualbasic軟件技術對數字表進行半自動校驗的實現方法及所應注意的問題,給出了程序校驗流程圖及部分程序。