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Recently, various types of aircraft are flying in the sky. Especially, Unmanned Aircraft Vehicle(UAV) called drones can operate with from aerial photography to unmanned delivery thus, utilization is very high. Drones are classified as Quad, Hexa and Octa copter depending on the number of rotor. However...

The dual UAV docking system is recently known as an important challenging task to improve the cruising ability of the multi-rotor UAV. In this paper, a mechanical structure of this system is illustrated. Monocular vision is adopted to identify the infrared beacons for the dual UAV charging positioning....

Quadrotor is a type of unmanned aerial vehicle that has been widely used in many applications, such as, policing, surveillance, aerial photography and agriculture. Conventionally, the control of quadrotor flight direction is accomplished by varying speeds of rotors or manipulating torques. In this paper,...

One of the popular UAV applications in the logistics sector is the use of UAVs as couriers to deliver goods to customers’ homes. In this application, the UAV must be able to follow the given trajectory while avoiding the existing obstacles to get to the customer’s house. To fulfill this, UAVs require...

Type 2 Diabetes Mellitus (T2DM) is a chronic disease indicated by blood sugar level disorder and also influenced by genetic and environmental factors. Many diabetes patients experience dyslipidemia, which is known as diabetic dyslipidemia. In the latest research, SLC2A1 gene polymorphism is strongly...

Unmanned Aerial Vehicle (UAV) are widely used in numerous field and the technology keeps growing. Generally, conventional method used in data collection for engineering work is tedious and requires a lot of manpower. This research focuses on the investigation of the suitability of UAV for route survey....

Path planning algorithm is compulsory for establishing autonomous Unmanned Aerial Vehicle (UAV). The dynamic path planning based on linear and Modified Dubins algorithm was introduced. The path planning is used for intercepting a moving target. In order to obtain optimum path, decision making has to...

In response to the current UAVs need to man-control, poor life, signal transmission distance limitations can not be caused by the application of the UAV for patrolling, this article for the patrol UAV in the life, route planning, communication proposed a certain program, so that UAVs have more powerful...

An improved ant colony optimization (IACO) is proposed to solve three-dimensional multi-task programming under finite-time constraints. The algorithm introduces the artificial preemptive coefficient matrix into the transfer probability formula, which makes results convergence and also reduces the convergence...

The implementation of UAVs in Indonesia on road infrastructure projects still widely used at the planning stage of new road routes and the supervision stage to determine the progress of the work. Meanwhile, at the post-work monitoring stage, the UAV is only used to identify and inventory the pavement...

Operational effectiveness assessment is one of the most important warrants for UAV Systems demonstration and design, and simulation is a key method. Operational effectiveness simulation relies on large quantity of simulation applications, and composable modeling is an approach to support rapid development...

In this paper, through the placement phase positioning equipment short-range observation station, the measured data of the geometric relationship of low precision ranging applications into the rear observation station, the current post observation station and the distance between the rear observation...

The identification of low-altitude and low-speed uav (Unmanned aerial vehicle) is a hot issue in the field of computer vision. Most problems can be solved based on traditional identification methods, but there is a blind spot for low-altitude uav. By contrast, the method based on deep learning can better...

The study aims to understand the interferon-gamma (IFN-γ) level and affecting factors in diabetes mellitus (DM) patients at Public Health Center (PHC). This cross-sectional study was conducted on 153 DM patients. The inclusion criteria were male or female patients over 18 years old diagnosed with DM...

This study aims to design and characterize the static stability of V-tail and fixed-wing Unmanned Aerial Vehicle (UAV) configurations purposed for UAV platform units for pilots and anti-drone training. Manufacturing and maintaining an easy and inexpensive airframe with quality that can be used for training...

Aiming at the problem that the traditional attitude measurement cannot meet the requirements of small and unmanned aerial vehicles in industrial and civil areas in terms of weight, volume, and power consumption and so on, a UAV attitude measurement system based on MEMS accelerometer, gyroscope and magnetometer...

Unmanned Aerial Vehicle (UAV) Technology is regarded as the latest quantum leap in surveying and mapping, however its use for this purpose is limited in Ghana. This research aims to assess the horizontal accuracy of UAVs equipped with Real Time Kinematic (RTK) capabilities in performing mapping surveys....

In this paper, we design a direct feedback adaptive fault-tolerant controller to cope with the uncertainty and non-modeling of the interference of the four-rotor UAV attitude control system. The controller is stuck in the UAV and the external. Under the condition of uncertainty, the attitude of the UAV...

Unmanned vertical take-off and landing aircraft (VTOL UAV) will become an important maritime supervision platform in the future. The aim of this research was to give out basic requirements of using VTOL UAV in the field of maritime management. We studied duties of China's Maritime Safety Administration...

The significant volume discrepancy between planned targets and actual implementation in a mining project creates complex issues related to schedules, equipment and labor mobilization, and operating costs. This difference can be caused by survey methods, mapping methods, excavation volume calculations,...

The article discusses the possibility of applying precision and smart agriculture while reducing the environmental impact of chemical treatments, associated with drones that form highly dispersed droplets. This allows for the protection of agricultural, medicinal, and other plants from pests and diseases,...

According to the landmark feature, the paper guides UAV precise landing with machine vision technology. Firstly, the author analyzes the principle of visual navigation based on the landmarks. According to the imaging principle of machine vision, the paper uses projection matrix method to solute the conversion...

In the process of the UAV (Unmanned Aerial Vehicle) remote sensing image geometric correction, the method of the geometric correction plays a vital role. Since the neural network is a distributed and parallel mathematical model, and it has good learning ability for nonlinear, so the nonlinear and uncertainty...

Abstract. To observe hypoglycemic and hypolipidemic effects of Melastoma dodecandrum ethanol-extract on type 2 diabetic rats. Except twelve SPF SD rats were as the control group, the rest eighty type 2 diabetic rats were induced by feeding with high-fat and high-sugar diet and intraperitoneal injection...

This paper presents a solution to trapped personnel detection and evacuation guidance in indoor fire scene based on quadrotor UAV. Our approach purely relies on UAV’s own monocular camera as the main sensor, and therefore UAV can search and rescue in unknown, GPS-denied fire environments. In this paper,...

Unmanned aerial vehicles are increasingly used to perform complex transport processes and operations, such as monitoring transport processes, photogrammetry of transport infrastructure, inspection of geoobjects and tracking of mobile agents. The construction of rational routes in solving the problems...

Pore structures and aluminum foam densities are strongly influenced by the particle size of TiH2 powders. In this paper, TG curves of the the original powders and the 4 kinds of powders which were separaed by the original powders were researched. The foaming process and pore structures using selected...

To investigate the correlation among serum lipids and their ratios and cystatin C (CysC) in patients with hyperthyroidism. authors respectively chose fifty patients of hyperthyroidism, subclinical hyperthyroidism and the control group. TC, TG and LDL-C in the hyperthyroidism and subclinical hyperthyroidism...

Recently, UAV has been widely used in various fields. The attitude estimation of autonomous UAV is an important basis for its autonomous flight mission. The attitude estimation technique based on GNSS is a traditional positioning method. However, it is a challenge to provide a high precision estimation...

Background: Previous studies have demonstrated poor metabolic and blood pressure control in the diabetic population in Trinidad. The aim of this study is to compare baseline and follow-up metabolic parameters and blood pressures taken within a 16-month period to ascertain if there have been improvements. Method:...

In order to monitor the unmanned aerial vehicle(UAV) around the no-fly zone, we proposed a new unmanned aerial vehicle Early warning method for the no-fly zone (NUCLEI) which gives an alarm to the UAV around the no-fly zone in real time. We utilize the least square method to match with the flight trajectory...

In the present work, hydroxyapatite (HAp) was sustainably extracted from fish-bone biowaste and converted into a functional ceramic material through appropriate thermal treatment. The thermal behavior of the biogenic precursor was investigated using thermogravimetric and differential thermal analysis...

The strategic emerging industries are strategic industry with intensive knowledge-based technologies, low consumption of material resources, enormous potential and great comprehensive benefits, which can promote the upgrading of industry structure, facilitate the sustainable development of economic society,...

Background: Schizophrenia is a complex disorder involving multiple genes with mild to moderate effects and non-genetic risk factors such as environmental and psychological influences. A significant reduction in interleukin-2 -330 T/G production by peripheral lymphocytes is an immunological finding replicated...

The influence of hygrothermal environment on compressive property of woven carbon fiber epoxy resin composite was investigated via tensile and compress tests under different hygrothermal environment. Moisture absorption, tensile and compressive properties, failure modes, FTIR and dynamic mechanical property...

Take-off and landing UAV need through landing the manual control of the controller on the ground, landing on the ground controller design decides the security and reliability of the aircraft during take-off and landing. Because of the complexity of the tilt rotor machine body structure, the number on...

This paper presents the details of avionics system design of a quadrotor. It uses the direction cosine matrix approach to identify the coordinates of the quadrotor and then using PID controller it tries to minimize the drifting error. The aim of the paper is to develop a system which uses a small amount...

The adsorption of Cs+ by a novel extractant-impregnated resin (EIR), was studied using batch adsorption experiments. The new EIR was prepared by impregnating 4-tert-butyl-2-( -methylbenzyl) phenol (t-BAMBP) onto AB-8 macroporous resin beads. Thermogravimetric analysis (TG) and the Fourier Transform Infrared...

Background: Coronary heart diseases are inversely related to plasma high-density lipoprotein (HDL) level. Paraoxonase-1 (PON1) is mainly associated with HDL and plays a vital role in protection of low-density lipoprotein (LDL) and HDL. The aim of this study was to investigate the association between...

Objective: To investigate the relationship between serum lipid index, C Reaction protein (CRP), insulin resistance level and coronary artery disease (CAD) in patients with diabetes mellitus (DM) complicated with coronary atherosclerotic heart disease (CAHD) and its correlation. Method: Select 62 CAHD...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

Background: Hypertensive crisis is an extreme phenotype of increased blood pressure that can lead to organs failure and thrombotic complications. Recently, we were able to show an angiotensin II driven FXI-thrombin amplification loop leading to vascular injury in experimental hypertension. Objective:...

The effects of reaction material ratio and feed order on the composition of the product are investigated by the reaction of zinc sulfate, bismuth nitrate and sodium hydroxide as raw materials in the ultrasonic system. The product is identified as by X-ray fluorescence and chemical titration, and the...

Unmanned Aerial Vehicles (UAVs) have gained global attention across various industries due to technical advancements in system versatility and efficiency. However, achieving accurate and reliable navigation remains a critical challenge, particularly in GPS-denied environments. This paper explores key...

Driven by the growing demand in various industrial sectors, emerging unmanned aerial vehicles (UAVs) are becoming increasingly diverse. The development of fixed-wing UAVs is also accelerating. The correct selection of wings is crucial for improving the performance of UAVs (including lift, drag, stability,...

Background: Interleukin-6 (IL-6) was considered to be with the severity and mortality in COVID-19 patients, which implies a potential therapeutic target for treatment. We aimed to evaluate the safety and initial efficacy of Tocilizumab treatment for COVID-19 patients. Methods: In the retrospective study,...

Fe75Zr25 /Cu64Zr36 multilayers metallic glass thin films have been prepared by magnetron sputtering herein. The magnetic studies shown that the saturation magnetization of this alloys increase after annealing under glass transition temperature (Tg ). The change of the magnetization might be attribute...

With 2 mol% Al3+ ions and 8 mol% Eu3+ ions co-doping,nano-size[K0.8Y0.63Eu3+0.08Al0.02][Mo0.2W0.8O4] phosphor was synthesized by the sol-gel method. Through XRD, DTA-TG, SEM and photoluminescent analysis, its morphology, crystal structure and luminescent property were discussed and it is found that one...

Drilling makes holes in aircraft components that aim to unite other structural parts to create a robust and reliable structure. The drilling process on composite materials does not always work well, resulting in the composite being damaged during the drilling process. One punching defect is delamination...

Purpose: Delirium is a frequent occurrence amongst Intensive Care Unit (ICU) patients, but studies on its causes are sparse and its risk factors vary from disease to disease. Here, in this study, an attempt was made to investigate the factors associated with the prognosis of delirium in the ICU. Methods:...