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Open AccessArticle
12 Pages, 2,741 KB Download PDF

Visualization of the Effect of Additional Fertilization on Paddy Rice by Time-Series Analysis of Vegetation Indices using UAV and Minimizing the Number of Monitoring Days for its Workload Reduction

Advances in Science, Technology and Engineering Systems Journal, Volume 9, Issue 3, Page # 29–40, 2024; DOI: 10.25046/aj090303
Abstract:

This research is an extension of the research (ISEEIE 2023), which dealt with Time-Series Clustering (TSC) of Vegetation Index (VI) for paddy rice. The novelty of this research is “Visualization of growth changes before and after additional fertilization,” “Analyzing the appropriate amount of additional fertilizer,” and “Optimization of monitoring period to minimize the number of…

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(This article belongs to the SP16 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2024) & Section Agronomy (AGN))
Open AccessArticle
11 Pages, 3,350 KB Download PDF

Feedback Controller for Longitudinal Stability of Cessna182 Fixed-Wing UAVs

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 5, Page # 17–27, 2023; DOI: 10.25046/aj080503
Abstract:

Unmanned aerial vehicles (UAVs) are becoming increasingly popular for both civil and military applications. Unmanned aerial vehicles can be categorized into two categories: rotary-wing and fixed-wing. Due to its capacity to fly long distances and carry substantial payloads, fixed-wing UAVs are gaining popularity and are currently utilized for various tasks. However, when confronted with disturbances…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Automation & Control Systems (ACS))
Open AccessArticle
10 Pages, 1,720 KB Download PDF

Enhanced Data Transportation in Remote Locations Using UAV Aided Edge Computing

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 1091–1100, 2021; DOI: 10.25046/aj0602124
Abstract:

In recent years, the applications in the field of Unmanned Aerial Vehicle (UAV) systems has procured research interests among various communities. One of the primary factors being, thinking beyond the box of what could UAV system bring to the table other than military applications? Evidence to any answer for this question is the current day…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Aerospace Engineering (EAR))
Open AccessArticle
7 Pages, 1,635 KB Download PDF

Detection and Counting of Fruit Trees from RGB UAV Images by Convolutional Neural Networks Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 887–893, 2021; DOI: 10.25046/aj0602101
Abstract:

The use of Unmanned Aerial Vehicle (UAV) can contribute to find solutions and add value to several agricultural problems, favoring thus productivity, better quality control processes and flexible farm management. In addition, the strategies that allow the acquisition and analysis of data from agricultural environments can help optimize current practices such as crop counting. The…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
7 Pages, 876 KB Download PDF

Application of Piecewise Linear Approximation of the UAV Trajectory for Adaptive Routing in FANET

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 559–565, 2021; DOI: 10.25046/aj060263
Abstract:

A significant problem of routing protocols in the Flying Ad Hoc Networks (FANET) is a significant overhead cost due to the high mobility of networking nodes. The problem is caused by a need to send information messages about locations of unmanned aerial vehicles (UAVs). In order to reduce the amount of service information, the following…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Network Engineering (ENW))
Open AccessArticle
8 Pages, 1,207 KB Download PDF

Electronic Warfare Methods Combatting UAVs

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 447–454, 2020; DOI: 10.25046/aj050653
Abstract:

This paper describes methods of eliminating Unmanned Aerial Vehicles (UAV) non-destructively, using Electronic Warfare Methods. The aim is to introduce certain methods of UAV detection and elimination in a complex environment and terrain, e.g., in an urban and battlefield environment, that will result in finding the control device position and the UAV itself. Neural networks,…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Cybernetics in Computer Science (CCY))
Open AccessArticle
7 Pages, 1,844 KB Download PDF

Development of Soil Moisture Monitoring by using IoT and UAV-SC for Smart Farming Application

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 381–387, 2020; DOI: 10.25046/aj050444
Abstract:

Soil moisture is a fundamental factor for smart farming that is used to control the water management system. In this paper, the unmanned aerial vehicle (UAV) small cell (UAV-SC) can provide Internet of things (IoT) as the hotspot mobility network, due to the minimum limitation energy of connected IoT. The development of ground sensor (GS)…

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(This article belongs to the iraset-20 (Special Issue on Innovative Research in Applied Science, Engineering and Technology 2020) & Section Agricultural Engineering (AEN))
Open AccessArticle
7 Pages, 1,204 KB Download PDF

Controller Design Using Backstepping Algorithm for Fixed-Wing UAV with Thrust Vectoring System

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 284–290, 2020; DOI: 10.25046/aj050337
Abstract:

This paper describes the design method of a nonlinear flight controller for a fixed-wing UAV with a thrust vectoring system (TVS) using the backstepping method. The flight dynamics of the UAV exhibits strong nonlinear coupling behavior between its translational and rotational motion. The backstepping algorithm has been successfully applied to controller design for such a…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Aerospace Engineering (EAR))
Open AccessArticle
6 Pages, 747 KB Download PDF

Advanced Hybrid Energy Harvesting Systems for Unmanned Aerial Vehicles (UAVs)

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 34–39, 2020; DOI: 10.25046/aj050105
Abstract:

The recent use of rotary-wing unmanned aerial vehicles (UAVs) has gained significant interest and continuously been implemented since they are used across the world for civilian, commercial, as well as military applications. The drawback of UAVs is the fight-time due to the limited battery capacity. Therefore, energy harvesting (EH), captured energy from the ambient environment…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 731 KB Download PDF

Group of UAVs Moving on Smooth Control Law with Fixed Obstacles

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1034–1041, 2017; DOI: 10.25046/aj0203131
Abstract:

In this paper considered the movement of multi-agent system that consists of several UAVs that carry out monitoring ground surface. The multi-agent system includes a lead agent and several agents-members of the group. The motion of this system occurs along a trajectory, which is determined by the initial conditions, its mathematical model and obstacles on…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Aerospace Engineering (EAR))
Open AccessArticle
4 Pages, 552 KB Download PDF

Effect of Foliar Application of Zinc on Growth and Yield of Guava (Psidium Guajava L.)

Advances in Science, Technology and Engineering Systems Journal, Volume 1, Issue 1, Page # 19–22, 2016; DOI: 10.25046/aj010103
Abstract:

In depth study focusing to ascertain the effect of different rates of Zinc (Zn) fertilization in improving the quality and yield of Guava fruit was carried out at Gharo, Sindh – Pakistan during year 2014-15. The outcome of the research revealed that there was no significant effect on the yield as well as quality, without…

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(This article belongs to Section Horticulture (HOR))
Open AccessArticle
10 Pages, 21,845 KB Download PDF

Development and Analysis of Models for Detection of Olive Trees

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 2, Page # 87–96, 2023; DOI: 10.25046/aj080210
Abstract:

In this paper, an automatic method for detection of olive trees in RGB images acquired by an unmanned aerial vehicle (UAV) is developed. Presented approach is based on the implementation of RetinaNet model and DeepForest Phyton package. Due to fact that original (pretrained) model used in DeepForest package has been built on images of various…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Agronomy (AGN))
Open AccessArticle
6 Pages, 885 KB Download PDF

On the Polytopic Modelling & Robust H∞ Control of Nonlinear Systems Subject to Cyber-attack: Application to Attitude Stabilization of Quadrotor

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 78–83, 2023; DOI: 10.25046/aj080109
Abstract:

In the present contribution, a robust output H∞ control ensuring the stability, reliability and security for nonlinear systems when actuator attacks (data deception attacks) occur. A new design method based on the polytopic rewriting of the attacked system as an uncertain one subject to external disturbances will be detailed. Robust polytopic state feedback observer sta-…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Automation & Control Systems (ACS))
Open AccessArticle
12 Pages, 11,666 KB Download PDF

Field Oriented Control and Commutation Based on Sensorless Methods for High-Speed Electrical Motors of Unmanned Multicopters

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 58–69, 2022; DOI: 10.25046/aj070607
Abstract:

In recent years, unmanned aerial vehicles (UAVs), especially small and light multicopters driven by electrical motors and batteries, have experienced a boom in applications. The electrical drive system is a central component of these UAVs. This paper introduces the basics of these drives and presents control methods for them using permanent magnet synchronous motors (PMSMs).…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 1,305 KB Download PDF

Use of Unmanned Aerial Vehicles in Aircraft Inspection

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 182–188, 2021; DOI: 10.25046/aj060321
Abstract:

The article further extends the researched issue of the unmanned aircraft use in the pre-flight and post-flight visual check of aircraft. Procedures of pre-flight inspection are fulfilled by the aircraft maintenance certified staff or the crew member before flight. The process is similar for all categories of aircraft, but its implementation differs for individual specific…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Aerospace Engineering (EAR))
Open AccessArticle
8 Pages, 776 KB Download PDF

Real Time and Post-Processing Flight Inspection by Drone: A Review

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 3, Page # 92–99, 2021; DOI: 10.25046/aj060310
Abstract:

Air Navigation Aids (NAVAIDs) whether implemented on the ground or in space and the Precision Approach Path Indicator (PAPI) system need to be checked in flight to ensure compliance with the standards set by International Civil Aviation Organization (ICAO). This activity has been carried out for decades by conventional aircraft and is usually done at…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 315 KB Download PDF

Downlink Indoor Coverage Performance of Unmanned Aerial Vehicle LTE Base Stations

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 128–133, 2021; DOI: 10.25046/aj060114
Abstract:

In this study, we study on the downlink indoor coverage performance of unmanned air vehicle (UAV) base stations. We consider a probabilistic expression for air-to-ground (ATG) path loss, and a deterministic one for additional indoor losses in order to provide a practical model. One of our important assumptions is that the UAV base station operates…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Aerospace Engineering (EAR))
Open AccessArticle
7 Pages, 1,435 KB Download PDF

Design and Implementation of Aerial Vehicle Remote Sensing and Surveillance System, Dehazing Technique Using Modified Dark Channel Prior

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1111–1117, 2020; DOI: 10.25046/aj0505135
Abstract:

After studying the aviation problems in Iraq, on one hand, and because Iraq has various weather characteristics due to its different terrains (i.e. mountains, plain fields, and deserts). We discussed these problems with pilots and aviation specialists, and came to the conclusion that the main offset faced is vision deficiency is foggy and dusty weather.…

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(This article belongs to Section Multidisciplinary Engineering (EMU))
Open AccessArticle
10 Pages, 1,194 KB Download PDF

Multi Closed-loop Adaptive Neuro-Fuzzy Inference System for Quadrotor Position Control

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 526–535, 2020; DOI: 10.25046/aj050565
Abstract:

This paper deals with a multi closed-loop adaptive neuro-fuzzy inference system (ANFIS) design for the under-actuated quadrotor systems. First, the training data set for the fuzzy inference system is obtained using a proportional integral derivative controller. Then, an initial ANFIS controller is designed, where the integral control action is preserved in the multi-closed-cloop ANFIS for…

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(This article belongs to the iraset-20 (Special Issue on Innovative Research in Applied Science, Engineering and Technology 2020) & Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 814 KB Download PDF

A Harmonized European Drone Market? – New EU Rules on Unmanned Aircraft Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 93–99, 2020; DOI: 10.25046/aj050312
Abstract:

The European drone market has been showing steady growth year after year. New EU drone rules will come into force as of July 1st, 2020, with the European Union setting itself the target to replace national rules with a common regulation with the ultimate goal of creating a harmonized European drone market. This study will…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Aerospace Engineering (EAR))
Open AccessArticle
9 Pages, 1,065 KB Download PDF

Optimization of Multi-standard Transmitter Architecture Using Single-Double Conversion Technique Used for Rescue Operations

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 73–81, 2017; DOI: 10.25046/aj020311
Abstract:

A new architecture of multi-standard transmitter that combines single and double frequency conversion is presented. The transmitter is able to generate waveforms of different cellular standards (GSM, UMTS, Wimax), LAN standards (Bluetooth, Zigbee, IEEE802.11 b/g) and Radio navigation standards (GPS, Galileo) as well. Depending on the selected standard and frequency, the transmitter routes the intermediate…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))

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