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AgriEngineering
Special Issues
Electronics of Agricultural Mechanization
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Electronics of Agricultural Mechanization

A special issue of AgriEngineering (ISSN 2624-7402).

Deadline for manuscript submissions: closed (1 January 2022) | Viewed by 3757

Special Issue Editor

Prof. Dr. Fernando Lessa Tofoli

E-Mail Website
Guest Editor
Department of Electrical Engineering, Federal University of São João del-Rei, São João del-Rei 36307-352, Brazil
Interests: DC–DC converters; AC–DC converters; photovoltaic systems; power converter topologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

It is our pleasure to announce the opening of a new Special Issue in the AgriEngineering journal.

The main topics of the Special Issue will be regarding the application of electronics in mechanized agriculture, this being an important aspect for improving production efficiency.

It is well known that the introduction of the first modern tractors based on internal combustion engines in the early 1900s led to promising results in terms of enhanced productivity. Since then, several aspects have been taken into account for supporting a high-level mechanization process, as well as decreasing the number of mechanized devices per area unit. In this context, the application of electronics, computers, mechatronics, and machines can contribute decisively to outstanding developments in mechanized agriculture.

Under this perspective, the Special Issue intends to contribute to the field, presenting the most relevant advances in this research area.

Works on—but not limited to—the following topics are eligible for submission to this Special Issue:

- Motor drives applied to electric tractors, including hardware and control approaches

- Wireless sensors and sensor networks

- Internet of Things (IoT)

- Utilization of renewable energy sources in mechanized systems

- Unmanned aerial vehicles (UAVs)

- Advances in sensors, computers, and communication devices

- Automated systems for controlling temperature, relative humidity, among others

We hope you will contribute your high-quality research and we look forward to reading your valuable results.

Dr. Fernando Lessa Tofoli
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. AgriEngineering is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • automation
  • communications
  • computers
  • electronic systems
  • mechanized agriculture
  • sensors
  • tractors

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Published Papers (1 paper)

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Research

15 pages, 3250 KiB  
Article
Comparative Appraisal of Three Low-Cost GPS Speed Sensors with Different Data Update Frequencies
by Mustafa Akkamis, Muharrem Keskin and Yunus Emre Sekerli
AgriEngineering 2021, 3(2), 423-437; https://doi.org/10.3390/agriengineering3020028 - 16 Jun 2021
Cited by 7 | Viewed by 3178
Abstract
Low-cost GPS (Global Positioning System) speed sensors have been available to quantify vehicle speed on different platforms including agricultural tractors in precision agriculture applications such as yield monitoring, variable rate fertilizer and pesticide applications. One of the advances in low-cost GPS receivers is [...] Read more.
Low-cost GPS (Global Positioning System) speed sensors have been available to quantify vehicle speed on different platforms including agricultural tractors in precision agriculture applications such as yield monitoring, variable rate fertilizer and pesticide applications. One of the advances in low-cost GPS receivers is the higher data update frequencies. However, we found no studies on the accuracy of low-cost GPS speed sensors with different update frequencies, especially under variable speed conditions. Thus, this work investigated the effect of the update frequency on the accuracy of low-cost GPS speed sensors under both constant and varying speed conditions. Three GPS speed sensors with update frequencies of 1 Hz, 5 Hz and 7 Hz (GPS1Hz, GPS5Hz and GPS7Hz) were simultaneously tested under the same conditions. A total of 144 tests were conducted on three different days and at three different times of each day with four speed levels and four repetitions. The percent errors were found to be up to 2.3%, 1.8% and 1.4% at constant speeds; up to −47%, −16% and −12% at the increasing speeds and 24%, 6% and 5% at the decreasing speeds, depending on the acceleration and deceleration levels, for GPS1Hz, GPS5Hz and GPS7Hz, respectively. The differences among the error values of the GPS speed sensors were found to be statistically significant (p < 0.05). The GPS speed sensors with higher update frequencies (5 and 7 Hz) provided higher accuracy compared to the one with lower frequency (1 Hz), particularly in the case of higher acceleration conditions. In sum, low-cost GPS speed sensors with higher update frequencies should be used for better accuracy, especially in variable speed conditions. Full article
(This article belongs to the Special Issue Electronics of Agricultural Mechanization)
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