DECISION SUPPORT SYSTEM FOR BLADES SELECTION IN GARDEN TILLERS

中耕機刀具選用之決策支援系統建立

邱奕志(Yi-Chich Chiu) ； 黃珮雯(Pei-Wen Huang)

《農業機械學刊》 27卷3期 (2018/09) Pp. 27-45

摘要

The objective of this study was to develop a decision support system (DSS) for selecting garden tiller blades. The proposed DSS, which can assist famers in selecting blades that suit their cultivation, was developed using the graphical programming language in LabVIEW 2012. It includes a tiller and blade library as well as cultivation mechanical analysis and blade operation analysis functions. Common types of tillers available in the market were collated to build the tiller library. Through field testing, the operational performance of various cultivation blades was measured and a cultivation mechanical analysis was performed. Four types of blade module were built using SolidWorks: a wheel hoe, earth up plow, cultivator share, and reclamation share. Xpress Toolkit was used to analyze the blade force during tillage. Several cultivation cases were analyzed in this study. For example, a cultivation mechanical analysis revealed that the blade horsepower must be 2.44 kW for cultivating width 71.6 cm and depth 12.37 cm. The actual horsepower is 2.57 kW, yielding a difference of 5.33%. Thus, the proposed DSS may be a useful tool for leisure and part-time farmers.

關鍵字

Tiller ； Blade ； Decision support system ； Cultivation mechanical analysis

並列摘要

本研究目的旨在開發一套中耕機刀具選用之決策支援系統，可以協助假日農夫依據不同耕作條件的需求，以及不同場合刀具的選用作出決策。利用LabVIEW圖控式語言程式所設計決策支援系統，系統中加入中耕機資料庫、耕耘力學分析以及SolidWorks模擬耕耘刀具應力分析。本系統資料庫蒐集市面上較常見的中耕機機型，進入系統耕耘力學分析，透過決策支援系統可以讓使用者來選擇實際上的中耕機。系統中建立4種刀具模組：鋤草輪、培土器、耕耘刀及開墾刀，並用Simulation Xpress進行應力分析，可模擬出作業時刀具所受到的應力分布，例如以耕耘刀進行測試，中耕深度為12.37公分、中耕寬度為71.6公分，以耕耘力學計算後得到的刀具馬力為2.44 kW，實際的刀具馬力為2.57 kW，差異值為5.33%，比較得出結果相符合。系統執行前選擇使用場合、耕作功能、作業能量，執行後便能顯示最適合使用者的中耕機刀具。未來可將本決策支援系統擴大，加入更多種類的中耕機與刀具，讓使用者可以更多選擇空間，也能讓假日農夫了解中耕機刀具。

並列關鍵字

中耕機 ； 刀具 ； 決策支援系統 ； 耕耘力學分析