Abdallah Elshawadfy Elwakeel

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• Ph.D.
• Assistant Professor at Aswan University

The present study focuses on the development, thermodynamic evaluation, and economic analysis of a photovoltaic-thermal (PVT)-based automated mixed-mode indirect solar dryer (AMMISD). The developed AMMISD was used for drying five date varieties native to the Aswan area, namely Shamia, Bartamuda, Sakkoti, Malkabii, and Gondaila. The initial and fina...

Precise seed placement during potato planting critically determines crop distribution and density, yet mis-planting remains a persistent agricultural challenge. Current manual detection and correction methods introduce inefficiencies, increase labor costs, and risk human error. Methodology: To address these limitations, this study developed and eva...

Sustainable nutrient management in rice-based cropping systems is essential to counteract soil degradation and excessive fertilizer dependence. Legume residue incorporation has been proposed as a strategy to improve soil fertility and nutrient use efficiency (NUE), yet its effectiveness under varying fertilizer regimes remains inadequately explored...

Recirculating Aquaculture Systems (RAS) represent an increasingly important solution for sustainable fish production , yet their high energy consumption remains a significant operational challenge. This study extends our previous work on using Deep Deterministic Policy Gradient (DDPG) for optimizing feeding rates in Recirculating Aquaculture System...

With the widespread use of the Material Extrusion method in the 3D printing industry, it has become important to determine the optimum printing parameters to improve the mechanical characteristics of Polylactic Acid material according to the place of use. It is important to choose the right press parameters according to the forces to which the mate...

This study aimed to assess and predict the surface water quality of Manzala Lake, Egypt, and identify the geo-environmental factors affecting its ecosystem. An Aquatic Water Quality Index (AWQI) was developed alongside four pollution indices (PIs): Heavy Metal Pollution Index (HPI), Pollution Index (PI), Contamination Index (CI), and Metal Index (M...

The assessment of grape ripeness is pivotal for optimizing harvest timing and ensuring high-quality fruit production. Traditional methods, relying on manual sampling and chemical analysis, are laborious and expensive. This study proposes an innovative approach combining Visible/Near-Infrared (VIS/NIR) spectroscopy with machine learning techniques—s...

Optimizing feeding rates in recirculating aquaculture systems (RAS) is crucial for ensuring fish growth, health, and system efficiency. This research introduces a novel approach to RAS feeding control using a Deep Deterministic Policy Gradient (DDPG) reinforcement learning algorithm. The developed system integrates feeding rate optimization with co...

The current study aims to develop and conduct a techno-environmental evaluation of a new sustainable forced convection solar dryer (SFCSD). Where the developed SFCSD was integrated with a unique electronic circuit that enables it to operate in two different modes: 1. forced air circulation (active mode) and 2. natural air circulation (passive mode)...

Lake Nasser in Egypt contains significant tilapia fish quantities, yet consumption remains low due to its geographical isolation from marketing and consuming areas. Therefore, investigating efficient and economical Tilapia fish drying methods is essential. The current study developed and tested a solar dryer based on solar energy collection, using...

Agriculture 5.0 (Ag5.0) represents a groundbreaking shift in agricultural practices, addressing the global food security challenge by integrating cutting-edge technologies such as artificial intelligence (AI), machine learning (ML), robotics, and big data analytics. To adopt the transition to Ag5.0, this paper comprehensively reviews the role of AI...

In the current study, a modified solar dryer (SD) integrated automatic solar collector tracker (ASCT) was used for drying tomato fruit (TF) at three slice thicknesses of 4, 6, and 8 mm on both drying systems at three air speeds of 1, 1.5, and 2 m/s until reaching the equilibrium moisture content. Where the comparison study was conducted between the...

Improving rice threshing unit performance and structure significantly enhances the thresher’s overall efficiency by raising its productivity while lowering costs and power consumption. This study evaluated and optimized longitudinal axial flow threshing device performance using two threshers’ structures, namely conical thresher and drum thresher, u...

Using chemical laboratory procedures to estimate the fruit quality parameters (biochemical parameters) of mango "Succarri" and strawberry "Florida" as indicators of ripening degrees in a large area presents challenges such as low throughput, labor intensity, time consumption, and the need for multiple samples. So, using spectral reflectance-based p...

This study focused on the development of an indirect forced solar dryer that incorporates a three-sided flat plate solar collector (TSFPSC) specifically designed for increasing thermal efficiency, and the system used for drying salted tilapia fish fillets (STFF). The investigation analyzed three fillet thicknesses—4 mm, 8 mm, and 12 mm, employing b...

The experiments were conducted at different levels of infrared power, airflow, and temperature. The relationships between the input process factors and response factors’ physicochemical properties of dried garlic were optimized by a self-organizing map (SOM), and the model was developed using machine learning. Artificial Neural Network (ANN) with 9...

In order to address many issues, such as the inconsistent and unreliable seeding process in traditional mechanical garlic seed metering systems (SMS), as well as the lack of ability to monitor the effectiveness of the seeding, a highly accurate electric-driven metering system (EDMS) was developed and created specifically for garlic seed planters. T...

Researchers have reported that Bacillus megaterium BM18-2 reduces Cd toxicity in Hybrid Pennisetum, but understanding the interaction between plants and associated endophytes is crucial for understanding phytoremediation strategies under heavy metal stress. The current study aims to monitor the colonization patterns of GFP-labeled endophytic bacter...

Efficient cooling systems are critical for maximizing the electrical efficiency of Photovoltaic (PV) solar panels. However, conventional temperature probes often fail to capture the spatial variability in thermal patterns across panels, impeding accurate assessment of cooling system performance. Existing methods for quantifying cooling efficiency l...

A novel self-propelled smart herbicide applicator (1600mm × 500mm × 1100mm) was developed using machine vision to target weeds and apply herbicides variably in wide row-spaced crops. The applicator integrated a weed detection system, smart sprayer, mechanical components, and power transmission system. The weed detection system used a webcam based i...

There are many problems related to the use of machine learning and machine vision technology on a commercial scale for cutting sugarcane seeds. These obstacles are related to complex systems and the way the farmers operate them, the possibility of damage to the buds during the cleaning process, and the high cost of such technology. In order to addr...

The purpose of this study is to investigate how a tracking indirect solar dryer (SD) powered by photovoltaic cells affected the drying kinetics (DK) and thermo-environmental conditions of tomato slices. In this current investigation, three air speeds (1, 1.5, and 2 m/s) are used, as well as three slice thicknesses (ST) (4, 6, and 8 mm) and two SD,...

The study involves the development of a mobile precision weed management system (MPWMS) based on machine vision of a dimension length of 1.12 m, width of 0.710 m and height of 0.715 m. It discriminately targets the weeds and applies the recommended herbicide according to the density of the weed. The MPWMS consists of the weed detection system, smar...

There are many problems related to the use of machine learning and machine vision technology on a commercial scale for cutting sugarcane seeds. These obstacles are related to complex systems and the way the farmers operate them, the possibility of damage to the buds during the cleaning process, and the high cost of such technology. In order to addr...

The purpose of this study is to investigate how a tracking indirect solar dryer (SD) powered by photovoltaic cells affected the drying kinetics (DK) and thermo-environmental conditions of tomato slices. In this current investigation, three air speeds (1, 1.5, and 2 m/s) are used, as well as three slice thicknesses (ST) (4, 6, and 8 mm) and two SD,...

The fluctuation of solar radiation throughout the day presents a significant obstacle to the widespread adoption of solar dryers for the dehydration of agricultural products, particularly those that are sensitive to high temperatures, such as basil leaf drying during the winter season. Consequently, this recent study sought to address the limitatio...

Developing models to assess the nutrient status of plants at various growth stages is challenging due to the dynamic nature of plant development. Hence, this study encoded spatiotemporal information of plants within a single time-series model to precisely assess the nutrient status of aquaponically cultivated lettuce. In particular, the long short-...

Fresh tomato fruits (TFs) contain a high moisture content of 90–94%, which makes storage and transportation over long distances difficult. Lately, numerous investigators have employed diverse solar dryers (SDs) in conjunction with stationary solar collectors (SCs) to dry tomatoes; however, the effectiveness of this technique is limited due to the s...

Introduction Precise semantic segmentation of microbial alterations is paramount for their evaluation and treatment. This study focuses on harnessing the SegFormer segmentation model for precise semantic segmentation of strawberry diseases, aiming to improve disease detection accuracy under natural acquisition conditions. Methods Three distinct Mi...

Improving rice threshing unit performance and structure significantly optimizes the thresher's overall efficiency by raising production per unit time while lowering costs and power consumption. This study introduced a new threshing device for rice combine (drum-shaped). It evaluated the threshing device performance using two threshers' structures u...

Date fruit drying is a process that consumes a significant amount of energy due to the long duration required for drying. To better understand how moisture flows through the fruit during drying and to speed up this process, drying studies must be conducted in conjunction with mathematical modeling, energy analysis, and environmental economic analys...

Egypt is among the world’s largest producers of sugarcane. This crop is of great economic importance in the country, as it serves as a primary source of sugar, a vital strategic material. The pre-cutting planting mode is the most used technique for cultivating sugarcane in Egypt. However, this method is plagued by several issues that adversely affe...

The current study aimed to study some engineering factors affecting the performance of a new automatic sugarcane seed cutting machine based on an RGB color sensor and internet of things technology assisted by sugarcane seed monitoring and a counter-remote system. In the current study, we evaluated the performance of the developed machine using two...

Sugarcane is the main sugar crop, and sugar is an important agricultural product in Egypt. There are many problems with the technology used in the current planting method of sugarcane, which has a great impact on the planting quality of sugarcane, which have a series of problems, such as low cutting efficiency and poor quality. Therefore, the aim o...

Tomato fruit (TF) is considered one of the most cultivated and consumed vegetables around the world, and it is characterized by a high content of vitamins and mineral elements. But it is unfortunate that it is seasonal and contains a high percentage of moisture, which hinders the storage process. This leads researchers around the world to innovate...

The world's most popular and productive vegetable crop is the tomato fruit. The tomato is the second-most important vegetable crop in the world. Fresh tomatoes cannot be stored for a long time because they have a high moisture content (MC). The high MC acts as a suitable environment for the growth of fungi and molds, which leads to damage to stored...

The current study aimed to design and test the accuracy of a variable-rate control metering mechanism (VRCMM) and a remote smart monitoring system (RSMS) for a precision sugarcane transplanter based on IoT technology. The VRCMM is used to operate the seedling metering device at different speeds using a stepper motor based on the travel speed, and t...

Accurately estimating crop performance under various fertilizer levels in a rapid and non-destructive manner has become a vital aspect of precision agriculture technology for both economic and environmental benefits. This study aimed to estimate different sugar beet parameters, such as total chlorophyll (Chlt), chlorophyll a (Chla), chlorophyll b (...

In Egypt, the climate has a direct impact on the dried date fruit production. The traditional drying method or open sun drying (OSD) leads to pollution of the final product caused by sand-laden winds, rain, or animals and harmful insects, etc. This study is aimed at designing, implementing, and experimentally validating a solar dryer based on IoT t...

The use of automatic systems in the agriculture sector enhances product quality and the country’s economy. The method used to sort fruits and vegetables has a remarkable impact on the export market and quality assessment. Although manual sorting and grading can be performed easily, it is inconsistent, time-consuming, expensive, and highly influence...

Farmers use different types of sprayers for the management of the pest. Successful pest management depends not only on the quality of the pesticide and insecticides but also on the use of the right plant protection appliances. Hence, proper selection based on ergonomic, economic, efficacy, and ecological and use of equipment for pesticide applicati...

Nowadays, agricultural sprayers are the most widely used equipment to carry out pesticide applications. Several kinds of sprayers have been developed from hand-operated, hydraulic sprayers to boom/speed sprayers or aircraft sprayers with the development of agricultural engineering. Normally, the spray efficiency, which usually be estimated by cost...

Nowadays, agricultural sprayers are the most widely used equipment to carry out pesticide applications. Several kinds of sprayers have been developed from hand-operated, hydraulic sprayers to boom/speed sprayers or aircraft sprayers with the development of agricultural engineering. The objectives of this study were to design a self-propelled field...

Aswan Governorate is considered the largest governorate of Egypt producing dried dates, and the most famous varieties are Sakkoti, Bartamuda, Gondaila, Malkabi, and Shamia. Immediately after harvest, dates contain a high percentage of moisture, which must be properly disposed of in order to maintain chemical composition and natural properties, and...

Sugar is an important strategic commodity for all countries of the world. Sugar after wheat is of strategic importance in Europe, Africa, the Americas, and Australia, while sugar is second only to rice for Asian countries. It was, therefore, necessary to pay full attention to sugary crops, especially sugar cane, to increase productivity and to brid...

Aswan Governorate is considered the largest governorate of Egypt producing dried dates, and the most famous varieties are Sakkoti, Bartamuda, Gondaila, Malkabi, and Shamia. Immediately after harvest, dates contain a high percentage of moisture, which must be properly disposed of in order to maintain chemical composition and natural properties, and...

Sugar is an important strategic commodity for all countries of the world. Sugar after wheat is of strategic importance in Egypt. It was, therefore, necessary to pay full attention to sugary crops, especially sugar cane, to increase productivity and to bridge the gap between production and consumption by increasing the productivity of sugarcane. The...

Accurate pesticide application from sprayers, is essential in modern farming practice as it increased pest control, reduced pesticide costs and wastage, and greater environmental safety. Evenness of flow characteristics of liquid from a sprayer nozzle is one of the requirements of accurate pesticide application. Hence, a study was undertaken to eva...

Recently, interest has increased in the technology of manufacturing and controlling agricultural robots by remote control system using Arduino shield. Forward speed control and steering are the most important points in the designing of agricultural robots. Due to the high prices of DC motors and unavailability in the local markets with the desired...

Sugarcane node cutting machine was manufactured and tested in the department of Agronomy, Faculty of Agriculture, El-Minia University, El-Minia, Egypt, to facilitate the process of cutting nodes that are used in transplanting sugarcane, the machine parts were designed using "SolidWorks" software, and then manufactured and constructed by using the l...

Accurate pesticide application from sprayers is essential in modern farming practice. Evenness of flow characteristics of liquid from a sprayer nozzle is one of the requirements of accurate pesticide application. Hence, a study aimed to evaluate the flow characteristics of liquid from four different spray nozzles 422HCC02, 422HCC025, 422HCC03, and...

The invention is a doctor thesis aimed to design and construction of a field sprayer to be operated and controlled remotely. The invitation include the following: 1. Manufacturing a robot that can be used for spraying pesticides. 2. Using local materials for manufacturing the robot. 3. Using android smart phone for operating and controlling. 4. Us...

Nowadays, agricultural sprayers are the most widely used equipment to carry out pesticide applications. Several kinds of sprayers have been developed from hand-operated, hydraulic sprayers to boom/speed sprayers or aircraft sprayers with the development of agricultural engineering. Normally, the spray efficiency, which usually be estimated by cost-...

Stable operation of permanent-magnet synchronous generator-based wind turbines (PMSG�WTs) is a challenging and complicated objective. Dealing with the hard situations and complex operations of the PMSG-WTs has recently become a hot issue in modern power systems. The abilities of PMSG-WT to ride over faults and operate at maximum power point (...

The invention is part of a PhD thesis aiming at how to use AC induction motors in robotic technology and to control them remotely. The modifications include the following: 1- Creating a new electronic circuit to control the speed of AC induction motors remotely using a mobile phone. 2- Using local materials in manufacturing. 3- Using the mobile ph...

The present study aimed to determine some physiochemical and mechanical properties of tomato fruits (commercial variety Jasmin 775), and regression models to estimate volume and mass based on diameters and projected area, which is considered as a database for designers and developer of machine or parts of agricultural smart mechanisms for harvestin...

Nowadays, agricultural sprayers are the most widely used equipment to carry outpesticide application. Several kinds of sprayers have been developed from hand-operated,hydraulic sprayer to boom/speed sprayer or aircraft sprayer with the development of theagricultural engineering. Normally, the spray efficiency, which usually be estimated by cost-inc...

Sugar is an important strategic commodity for all countries of the world. Sugar after wheat is of strategic importance in Europe, Africa, the Americas and Australia, while sugar is second only to rice for Asian countries. It was therefore necessary to pay full attention to sugary crops, especially sugar cane, to increase productivity and to bridge...

In this agriculture sector there is a lot of field work, such as weeding, reaping, sowing etc. Apart from these operations, spraying is also an important operation to be performed by the farmer to protect the cultivated crops from insects, pests, funguses and diseases for which various insecticides, pesticides, fungicides and nutrients are sprayed...

Nowadays, agricultural sprayers are the most widely used equipment to carry out pesticide applications. Several kinds of sprayers have been developed from hand-operated, hydraulic sprayers to boom/speed sprayers or aircraft sprayers with the development of agricultural engineering. Normally, the spray efficiency, which usually be estimated by cost-...

A tractor-front mounted sugarcane harvester was fabricated and tested. The machine parts were designed using "SolidWorks" software. The machine was then manufacturing and constructed by using the low cost material available in local market. Main components of this machine are machine frame, cutter head, power transmission system, and power supply....

Sugarcane represents the main cash crop in Upper Egypt. Area cultivated with sugarcane over 300,000 feds with average production 48 t/fed and total production may reach 16 million tons. The cost of labor has been increasing where the price is uncompetitive with the cost of mechanical harvesting with imported machines. Egypt needs to change its suga...

In this agriculture sector there is a lot of field work, such as weeding, reaping, sowing etc. Apart from these operations, spraying is also an important operation to be performed by the farmer to protect the cultivated crops from insects, pests, funguses and diseases for which various insecticides, pesticides, fungicides and nutrients are sprayed...

Sugar cane is a strategic crop and it is cultivated in large areas in Upper Egypt, starting from El-Minia Governorate to Aswan Governorate. The sugarcane harvesting process is considered the most stressful and costly process in the sugar cane production chain, due to the many conditions that are represented by the high temperature during the harves...

Sugar is an important strategic commodity for all countries of the world. Sugar after wheat is of strategic importance in Europe, Africa, the Americas and Australia, while sugar is second only to rice for Asian countries. It was therefore necessary to pay full attention to sugary crops, especially sugar cane, to increase productivity and to bridge...

Sugar is an important strategic commodity for all countries of the world. Sugar afterwheat is of strategic importance in Egypt. It was, therefore, necessary to pay full attention tosugary crops, especially sugar cane, to increase productivity and to bridge the gap betweenproduction and consumption by increasing the productivity of sugarcane. The ma...

The invention is a master designed machine for small-sized sugar cane harvesting suitable for small holdings. The invitation include the following: 1. Manufacturing a machine to cut two lines of reeds and leave them under the tractor. 2. Make the unit work on a wide range of the furrow width and cut the cane on any height. 3. Adjusting the frame of...