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題 名 | 元件式軟體設計--應用於LadderCAD=LadderCAD Software Design with Components |
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作 者 | 李武鉦; 嚴家銘; | 書刊名 | 國立虎尾技術學院學報 |
卷 期 | 5 2002.03[民91.03] |
頁 次 | 頁86-96 |
分類號 | 312.49 |
關鍵詞 | 物件導向程式設計; 電氣迴路設計; 順序控制; 氣液壓學; Object oriented programming; Ladder diagram; Sequence control; |
語 文 | 中文(Chinese) |
中文摘要 | LadderCAD是一套電氣迴路電腦輔助及電腦自動設計軟體,供使用者設定受控系統,選用電氣元件,再輔助使用者設計控制的電氣迴路,也可依使用者的動作要求自動設計迴路。在舊版的軟體設計中,電氣元件及受控系統,是採資料結構的方式存在,元件及系統的動作及反應是用程序的方式,雜處於主程式內,造成諸多缺失。本研究重寫LadderCAD軟體,採元件式建構電氣元件及受控系統,使整套軟體由各式軟體元件組裝而成。 經過適當的軟體結構及界面設計,元件式的LadderCAD軟體,除了擁有舊版的全部功能(電氣迴路輔助設計、電氣迴路電腦設計、電氣迴路分析、動態模擬、可程式控制器指令、網際網路傳送與監控、PC Based控制)外,增加了受控系統的種類,讓使用者調整受控系統的運動速度,更可讓使用者自定元件加入軟體中。更重要的,元件式設計讓軟體的除錯、維護、更新及元件再使用都容易多了。 |
英文摘要 | LadderCAD is a software package for ladder diagram computer aided design and computer automatic design. With this software, user sets up the controlled system and picks the electric devices wanted. Then, the software helps user design ladder diagram or designs for him if the provides motion sequence requested. In previous software design, electric devices and controlled systems are presented as data structures, and the motions and responses of them are in form of functions scattered in main program. That arrangement causes many problems. This research rewrites LadderCAd with components. With proper designs of software structure and software interface, new version provides more controlled system, allows user to set motion speeds of controlled system, in addition to all features of the old one. Besides, new version lets user define new devices to be integrated into software. Most of all, with component approach new version become more easy to debug, maintain, extend, and reuse. |
本系統中英文摘要資訊取自各篇刊載內容。