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Basing on TG-DTG-FTIR technology, researching about kinetic activation energy E about eucalyptus and absorption bands and characteristic peaks of volatile product under the heating rate 10 min-1, 30 min-1, 60 min-1respectively. The experimental results show that eucalyptus pyrolysis process can be divided...

Refined classification is one of the important research directions of remote sensing data classification. With the support of LiDAR data, the fusion of UAV image feature will be an effective mean to expand feature sets and improve classification category differentiation. After expanding the feature sets,...

At the current port of Binuangeun, Banten, there are strong currents and waves at the mouth of the Binuangeun fishing port where the breakwater is no longer functioning. So ships that will enter the port are often hampered due to currents and waves that occur. Design evaluation is done so that the damage...

Less-Container-Load (LCL) outbound logistics operations are frequently limited by ineffective container space use, restricted environmental visibility, and manual decision-making. These difficulties result in longer loading times, more handling errors and less-than-ideal logistical performance. To facilitate...

Drones have gradually become an essential aerial vehicle in contemporary human life, so finding a suitable control method has become a research direction for scientists. Simultaneous Localisation and Map Building (SLAM) technology is considered to be a big hit technology in the future drone control field,...

Throughout parts of the Australian mining industry, the adoption of new slope assessment technology has been largely stagnant with the default methodology of 2D Limit Equilibrium analysis with generic rockmass parameters producing a factor of safety, being accepted as representing slope stability. This...

The major accidents of hazardous chemicals always occur suddenly and result in rapid proliferation, wide range of damage as well as grave consequences. So that quick, accurate and effective response to the situation after the accidents is the most crucial part of the rescue. Meanwhile, the timely information...

The bridge crack detection still relies on human visual measurement nowadays, which means low efficiency and high cost. In view to this situation, the convolution neural network(CNN) was introduced into bridge crack detection to improve the efficiency and reduce the error caused by manual work. In this...

The expensive price and complicated structure of gyrocompass cannot satisfy the need of present education. this paper analyzed the structure and function of a new type gyro compass TG-8000/8500. In unity 3D engine, using virtual reality technology to develop this type of gyrocompass simulation system....

Aiming at the complex structure and difficulty in supporting leveling operations of traditional low altitude unmanned aerial vehicle (UAV) detection and tracking systems, this paper studies an integrated turntable, which innovatively adopts a method of real-time measurement of turntable tilt angle. Automatic...

UAV remote control driving mode relative to the program-controlled way, in the time delay, scenarios, data link performance optimization and flight control and other aspects of the higher requirements, and these factors have become troubled UAV remote control driving development and application the essential....

Background: Bezafibrate and Eicosapentanoic acid (EPA) were known to decrease serum triglyceride. And, EPA administration for 5 years was reported to improve cardiovascular events by JLIT study. Cardio-ankle vascular index (CAVI) was a new index reflecting arterial stiffness from the origin of the aorta...

For purpose of UAV digital actuator test, one of UAV's key components, whose static and dynamic performance impacts on the UAV maneuvering performance, this paper studies an automatic digital actuator test system, introduces its hardware and software design scheme, and demonstrates its application. The...

Obesity is one of the world's health problems. The increase in obesity is associated with increasing degenerative diseases such as hypertension. Hypertension is one of the main risk factors for mortality in the world. One of comorbid disease in patients with hypertension will increase mortility is dyslipidemia...

Pyrolysis properties of Dianchi lake sediment in China at 10 /min and 20 /min were investigated by TG. Comparison to the TG and DTG curves at different heating rates, the pyrolysis reaction at 10 /min was in advance and more completely than at 20 /min, thus the process of sediment pyrolysis could be...

Non-Alcoholic Fatty Live (NAFL), a serious hepatopathy with a rising global prevalence, characterized through the simple excessive proliferation of triglyceride (TG) in the liver. It is triggered by an imbalance in fat metabolism by the reason of adiposity, fat-rich diet and insulin resistance (IR)....

Efficient real-time object detection in aerial HD videos is an urgent need, with the increasing use of UAV(unmanned aerial vehicles) in various fields. But it is still challenging to detect objects accurately and timely due to its large pixel size and relatively small objects. We use the popular SSD...

This paper proposes a method of detecting a person fallen on the ground and its head and lower body from aerial images. The study intends to automate discovering victims of disasters such as earthquakes from areal images taken by an unmanned aerial vehicle (UAV). Rotation-invariant histogram of oriented...

This paper proposes a fast detection method for changed land using UAV remote sensing image. Firstly, a series of SURF feature points on the old time phase orthoimage are retrieved and stored into a matching database. Secondly, through the establishment of coarse - fine double matching recursive model...

This paper combines back-stepping and active disturbance rejection control (ADRC) to form an integrated controller for quad-rotor UAV with multiple uncertainties. First, the aerodynamics model of the quad-rotor UAV is analyzed, and the control law of the back-stepping is deduced. Second, after analyzing...

Estimating number of trees with field plots located in remote or inaccessible areas can be a costly and timely endeavor. Unmanned aerial vehicle (UAV) remote sensing allowing for the estimation of the forest vegetation offers an alternative to traditional ground-based forest measurements. It is an important...

Engineering training is an important part of engineering education in colleges and universities. Applying theory to practice is not only the significance of practical courses, but also the source of students’ learning motivation. All practical teaching ideas and methods need to be carried out around...

This paper examines the design and application of low-speed unmanned aerial vehicles (UAVs) by integrating aerodynamic optimization and advanced computational control systems. Despite their widespread use in surveillance, logistics, environmental monitoring, and disaster response, UAVs face challenges...

This study presents the design, implementation, and evaluation of a novel web-based Ground Control Station (GCS) application for real-time monitoring of quadcopter Unmanned Aerial Vehicles (UAVs). The research addresses the operational limitations of traditional desktop-based GCS applications, such as...

UAV system with a wireless data link for the calibration and test objects, designed and implemented a wireless data link system calibration equipment, medium-range UAV system to solve the simple means of technical support, equipment calibration testing process takes a long time, personnel, results poor...

The take-off and landing stage in UAV, due to the complex terrain of landing and flight attitude control is difficult, the ground operators need to rocker landing on the ground controller to control the artificial take-off and landing aircraft. In order to make the aircraft landing task and high precision,...

The unmanned aerial vehicle (UAV) formation flight is studied by consensus strategy. Firstly, the UAV formation model with nonlinear elastic characteristics is established and proved to be Uniformly Ultimately Bounded (UUB). Secondly, a consensus strategy controller is designed combining with the proposed...

The UAV guidance in combating airspace need to make UAV close to the target and complete air strikes, which need to receive all necessary data and information and use these parameters to achieve the UAV guidance. For processing the problems that are irregular and complex, this paper presents a new guidance...

Wingtip Vortices are a swirling vortex of air left by wings when it generates lift, but it also generates downwash that is the consequence of lift generation in three dimensions. Usually, winglets are used to alleviate this problem. But by observing and mimicking biological processes, many solutions...

This study have explored a method to obtain the airflow characteristics and the particle trajectories using CFD techniques and SST k- around a UAV. Numerical simulations of gas-phase turbulence physics at the flight speed of 20 and 40m/s and the altitude of 600 m have been carried out. DPM model simulated...

Due to the development and maturation of embedded processor, micro-sensor technology and control theory, multi-rotor UAV is booming. The continuously increasing efficiency and multifunctionality make multi-rotor UAV widely used in military, civil aerial shooting, search and rescue, monitoring and other...

The polymer composites based on carbon nanotubes are of particular interests because of their excellent performance. In this work, carbon nanotubes (CNTs) were modified by concentrated acid solution which resulted in CNTs grafted with carboxylic acid (–COOH) and hydroxyl (–OH) groups (i.e. a-CNTs). The...

Fire is a formidable force of nature, and its effects range from loss of life and property damage to severe disruptions to economic and social systems. However, conventional fire detection systems often trigger false alarms, disrupt emergency responses, and result in operational inefficiency. A growing...

An in situ measurement method of flow field by four-rotor unmanned aerial vehicle (UAV) is proposed, which is mainly based on the following considerations: (1) Four-rotor UAV is a highly integrated image acquisition tool; (2) The operation is easy and the price is cheap; (3) It has good adaptability...

In this study, the aim was to evaluate visfatin level in Iraqi children and adolescents with obesity, as well as to study the association of serum visfatin level with different biochemical variables. Ninety participants were included. Participants’ ages ranged between (5 and 18) years. Sixty obese children...

With the development of science and technology, the science and technology used in military investigation and surveying and mapping are becoming more and more advanced, and small reconnaissance UAV gradually walked into people's lives. This paper mainly aimed at the improved design of the existing reconnaissance...

In Russia, China’s initiatives for the implementation of the “One Belt, One Road” (一带一路) project are met with great interest, the resumption of discussions was facilitated by a joint statement on cooperation on the construction of the Eurasian Economic Union and The Silk Road Economic Belt (丝绸之路经济带),...

In recent years, in high-altitude long-time navigation, UAVs have attracted much attention due to their advantages of long-range and unmanned working characteristics. The working environment of this kind of UAV is thin, which often leads to this kind of aircraft being in an environment with a low Reynolds...

With the rapid development of UAV (unmanned aerial vehicle) technology in the past decade, UAS tend to play an increasingly important role in information acquisition and unmanned operations. It becomes difficult for a single drone to meet the needs of complex tasks, and the application mode of drone...

Selection of coal fuel for coal-fired power plant is usually required to fulfil criteria such as calorific value, combustion characteristics, slagging fouling potential, and emissions potential. This paper describes coal combustion characteristics were studied by the thermogravimetric analyzer and differential...

As an alternative to materials, composite are currently the subject of extensive research due to their strength, stiffness, lightweight, resistance to corrosion, and ease of manufacturing. This study aims to compare the shear strengths of thermosetting composite materials made of ramie and rami-E-glass...

Unmanned aerial vehicles (UAV) are becoming more and more important in the intelligent combat scenarios of modern warfare, and at the same time, UAV intelligent vision technology plays an extremely critical role in the execution of strategic tasks such as reconnaissance, surveillance, target identification...

Samarium doped TiO2 photocatalyst TiO2-Sm was prepared by microwave hydrothermal method using Samarium nitrate and tetrabutyl titanate as raw materials. Degradation of methyl orange was used to photocatalytic reaction of TiO2-Sm respectively under the conditions of visible light, microwave (MW), ultraviolet...

The Tinto Marshes is a natural area located at the mouth of the Tinto’s river (Huelva, Spain), being, in size, the third largest wetland in the province of Huelva after Doñana and Odiel salt-marshes. Due to its special topography, as they are characterized as salt-marshes, their characterization, both...

At present, the image stitching algorithm based on classical surf features is facing new challenges in the processing of UAV images. In order to improve the efficiency of aerial image stitching, a fast feature extraction and matching algorithm is proposed. At the feature extraction link, a local differential...

The perrhenates of Calcium, Copper and Lead used as oil additive were synthesized via aqua-solution method in this study, and their tribological properties were examined by UMT-2M testing machine. In addition, investigations were performed using XRD, SEM-EDS, DTA/TG to explain the possible mechanism...

This study examines how different amounts of styrene–butadiene rubber (SBR) affects the mechanical and thermal properties of natural rubber (NR) composites. NR–SBR blends containing 0, 10, 20, 30, and 50 wt% SBR were prepared with a constant carbon black content (30 phr) and standard curing additives....

Activated carbons(AC) were produced by chemical activation with potassium hydroxide(KOH) at 800oC from chars that were carbonized from reedy grass leaves at 450oC in N2 atmosphere and their characteristics were investigated. The effects of activation temperature, duration time and impregnation time were...

The article presents a conceptual and mathematical model of the intelligent decision support system of the unmanned aerial vehicle operator, what will allow one to make informed decisions in real time with a high degree of reliability.

Textbook research is an important aspect of teaching research. Only through in-depth and careful research of textbooks, can we prepare and teach well, and finally achieve the teaching objectives. Interchangeable characters (通假字), variant characters (异体字), and ancient-present characters (古今字) are the...