Development and implementation of a human machine interface-assisted digital instrumentation system for high precision measurement of tractor performance parameters

Q2 Engineering

Engineering in Agriculture, Environment and Food Pub Date : 2019-01-01 DOI:10.1016/j.eaef.2018.08.006

S.M. Shafaei, M. Loghavi, S. Kamgar

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引用次数: 27

Abstract

A high precision compact digital instrumentation system was developed to display, collect, and store desirable tractor performance parameters. The system was designed based on the technical capabilities of human machine interface (HMI) technology. A touch screen user friendly HMI-assisted data acquisition unit was developed to control different procedures of the system for continuous measurement of the tractor performance parameters (driving wheel slip, forward speed, fuel consumption, working depth, and required draft force or drawbar pull of implement) with data collection rate of 90 Hz. Commercial transducers used to develop the system were calibrated for desired measurements. The system was mounted on an agricultural diesel tractor (MF-399) and assessed under static and dynamic conditions. Results of calibration trials indicated a high correlation between actual and measured variables. Maximum errors of less than 5% for stationary assessment of the instrumented tractor in two-wheel drive (2WD) and four-wheel drive (4WD) modes proved an acceptable accuracy of the system. Satisfactory operational efficiency of the system under dynamic field conditions resulted in quick response to small changes of the tractor performance parameters. The system is flexible enough to be easily integrated on any 2WD or 4WD tractor. Practically, the system would be very useful for experimental practices, educational and research studies.

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拖拉机性能参数高精度测量人机界面辅助数字仪表系统的开发与实现

开发了一种高精度、紧凑的数字仪表系统，用于显示、收集和存储理想的拖拉机性能参数。该系统是基于人机界面(HMI)技术能力设计的。开发了一个触摸屏人机界面辅助数据采集单元，控制系统的不同程序，连续测量拖拉机性能参数(驱动轮滑移、前进速度、油耗、工作深度、所需牵引力或拖杆牵引力)，数据采集速率为90 Hz。用于开发该系统的商用换能器被校准为所需的测量。该系统安装在农用柴油拖拉机(MF-399)上，并在静态和动态条件下进行了评估。校准试验结果表明，实际变量与测量变量之间存在高度相关性。在两轮驱动(2WD)和四轮驱动(4WD)模式下，仪器拖拉机的静止评估的最大误差小于5%，证明了系统的可接受精度。该系统在动态现场条件下的运行效率令人满意，对拖拉机性能参数的微小变化反应迅速。该系统足够灵活，可以很容易地集成在任何2WD或4WD拖拉机上。实际应用中，该系统可用于实验实践、教育和研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering in Agriculture, Environment and Food Engineering-Industrial and Manufacturing Engineering

CiteScore

1.00

自引率

0.00%

发文量

期刊介绍： Engineering in Agriculture, Environment and Food (EAEF) is devoted to the advancement and dissemination of scientific and technical knowledge concerning agricultural machinery, tillage, terramechanics, precision farming, agricultural instrumentation, sensors, bio-robotics, systems automation, processing of agricultural products and foods, quality evaluation and food safety, waste treatment and management, environmental control, energy utilization agricultural systems engineering, bio-informatics, computer simulation, computational mechanics, farm work systems and mechanized cropping. It is an international English E-journal published and distributed by the Asian Agricultural and Biological Engineering Association (AABEA). Authors should submit the manuscript file written by MS Word through a web site. The manuscript must be approved by the author''s organization prior to submission if required. Contact the societies which you belong to, if you have any question on manuscript submission or on the Journal EAEF.