scholarly journals Classification of robotic battery service systems for unmanned aerial vehicles

2018 ◽  
Vol 161 ◽  
pp. 03023
Author(s):  
Tien Ngo ◽  
Mehmet Guzey ◽  
Vladimir Dashevsky
Keyword(s):  
Unmanned Aerial Vehicles ◽  
Power Supply ◽  
Landing Site ◽  
Operating Conditions ◽  
Joint Work ◽  
Operator Experience ◽  
Aerial Vehicles ◽  
Robotic Platforms ◽  
Algorithmic Model

Existing examples of prototypes of ground-based robotic platforms used as a landing site for unmanned aerial vehicles are considered. In some cases, they are equipped with a maintenance mechanism for the power supply module. The main requirements for robotic multi-copter battery maintenance systems depending on operating conditions, required processing speed, operator experience and other parameters are analyzed. The key issues remain questions of the autonomous landing of the unmanned aerial vehicles on the platform and approach to servicing battery. The existing prototypes of service robotic platforms are differed in the complexity of internal mechanisms, speed of service, algorithms of joint work of the platform and unmanned aerial vehicles during the landing and maintenance of the battery. The classification of robotic systems for servicing the power supply of multi-copter batteries criteria is presented using the following: the type of basing, the method of navigation during landing, the shape of the landing pad, the method of restoring the power supply module. The proposed algorithmic model of the operation of battery power maintenance system of the multi-copter on ground-based robotic platform during solving the target agrarian problem is described. Wireless methods of battery recovery are most promising, so further development and prototyping of a wireless charging station for multi-copter batteries will be developed.

scholarly journals Landing Site Detection for UAVs Based on CNNs Classification and Optical Flow from Monocular Camera Images

2021 ◽  
Vol 33 (2) ◽  
pp. 292-300
Author(s):  
Chihiro Kikumoto ◽  
Yoh Harimoto ◽  
Kazuki Isogaya ◽  
Takeshi Yoshida ◽  
Takateru Urakubo ◽  
...  
Keyword(s):  
Neural Networks ◽  
Optical Flow ◽  
Unmanned Aerial Vehicles ◽  
Safety Evaluation ◽  
Ground Surface ◽  
Landing Site ◽  
Heat Map ◽  
Aerial Vehicles ◽  
Surface Flatness

The increased use of UAVs (Unmanned Aerial Vehicles) has heightened demands for an automated landing system intended for a variety of tasks and emergency landings. A key challenge of this system is finding a safe landing site in an unknown environment using on-board sensors. This paper proposes a method to generate a heat map for safety evaluation using images from a single on-board camera. The proposed method consists of the classification of ground surface by CNNs (Convolutional Neural Networks) and the estimation of surface flatness from optical flow. We present the results of applying this method to a video obtained from an on-board camera and discuss ways of improving the method.

Protection of a Stationary Object from the Massive Impact of Mobile Objects under Conditions of von Neumann's Mixed Game

2021 ◽  
Vol 27 (10) ◽  
pp. 521-530
Author(s):  
O. N. Maslov ◽  
Keyword(s):  
Unmanned Aerial Vehicles ◽  
Simulation Modeling ◽  
Statistical Simulation ◽  
Operating Conditions ◽  
Protection System ◽  
Stationary Object ◽  
Physical Protection ◽  
Mobile Objects ◽  
Aerial Vehicles ◽  
Statistical Risk

The method of statistical simulation modeling (SSM) has been used to analyze the operating conditions and the efficiency of the physical protection system of a stationary object from the massive impact of unmanned aerial vehicles (drones). It is shown that the conditions of the problem correspond to the reflexive version of a two-sided von Neumann's mixed game. statistical risk-oriented characteristics for two variants of the object protection system implementation using force mechanical and electromagnetic effects on the "drones cloud" are determined. The possibilities and the prospects for using the results obtained using the SSM method are presented.

scholarly journals Features of calculations of consequences of failures of power supply in distribution networks with the monoconsumer of electric energy

2020 ◽  
Vol 22 (2) ◽  
pp. 43-50
Author(s):  
Y. A. Sekretarev ◽  
D. A. Menyaikin
Keyword(s):  
Power Supply ◽  
Electric Energy ◽  
Distribution Networks ◽  
Operating Conditions ◽  
Electric Networks ◽  
Use Of Data ◽  
Information Classification ◽  
Specific Scheme ◽  
Transmission And Distribution

Reliability of power supply of consumers is an important task in the process of transmission and distribution of electric energy. The paper proposes a method for assessing the consequences of power failures of monoconsumers of electric energy on the example of an oil company and an adjacent power grid company. The uniqueness of the developed technique lies in the possibility of reliable calculation of reliability of power supply of complex branched electric networks without taking into account the specific scheme of power supply. The accuracy of calculations is increased due to the use of data directly studied power system, taking into account the specifics and operating conditions of specific equipment, instead of the average information. Classification of failures on the main reasons in electric networks of the oilproducing enterprise of the far North that allowed to develop actions for increase of level of reliability of power supply is made.

scholarly journals Capabilities of the Unmanned Aerial Vehicles in Logistic Support

10.37105/sd.5 ◽  
2018 ◽  
Vol 4 ◽  
pp. 22-26
Author(s):  
Michalska Anna ◽  
Karpińska Katarzyna
Keyword(s):  
Unmanned Aerial Vehicles ◽  
New Technologies ◽  
Point Of View ◽  
Delivery Methods ◽  
Military Equipment ◽  
Aerial Vehicles ◽  
Logistic Support ◽  
The Military

The main focus of this paper is the capabilities of Unmanned Aerial Vehicles as a military logistic support in conflicts areas. The conducted research addresses the problems of traditional military delivery methods. Next, the problem of using UAVs only for civilian purposes is considered. The paper begins with short elucidation of logistic support and further provides the classification of logistic materials and discusses five categories of military equipment from the logistics point of view. Next, the paper discusses the characteristics of the parameters and properties of the chosen existing UAVs that are used for the delivery of materials. Consequently, a comparison of the UAVs is carried out, and new technologies for logistic transport are presented. This paper is concluded with the claim that it is necessary to modernize the process of logistic support in the military.

scholarly journals Unmanned Aerial Vehicles for Magnetic Surveys: A Review on Platform Selection and Interference Suppression

Drones ◽  
2021 ◽  
Vol 5 (3) ◽  
pp. 93
Author(s):  
Yaoxin Zheng ◽  
Shiyan Li ◽  
Kang Xing ◽  
Xiaojuan Zhang
Keyword(s):  
Unmanned Aerial Vehicles ◽  
Hot Spot ◽  
Low Cost ◽  
Research Fields ◽  
Aerial Vehicles ◽  
Increased Risk ◽  
Payload Capacity ◽  
Pros And Cons ◽  
Low Altitude

In the past two decades, unmanned aerial vehicles (UAVs) have been used in many scientific research fields for various applications. In particular, the use of UAVs for magnetic surveys has become a hot spot and is expected to be actively applied in the future. A considerable amount of literature has been published on the use of UAVs for magnetic surveys, however, how to choose the platform and reduce the interference of UAV to the collected data have not been discussed systematically. There are two primary aims of this study: (1) To ascertain the basis of UAV platform selection and (2) to investigate the characteristics and suppression methods of UAV magnetic interference. Systematic reviews were performed to summarize the results of 70 academic studies (from 2005 to 2021) and outline the research tendencies for applying UAVs in magnetic surveys. This study found that multi-rotor UAVs have become the most widely used type of UAVs in recent years because of their advantages such as easiness to operate, low cost, and the ability of flying at a very low altitude, despite their late appearance. With the improvement of the payload capacity of UAVs, to use multiple magnetometers becomes popular since it can provide more abundant information. In addition, this study also found that the most commonly used method to reduce the effects of the UAV’s magnetic interference is to increase the distance between the sensors and the UAV, although this method will bring about other problems, e.g., the directional and positional errors of sensors caused by erratic movements, the increased risk of impact to the magnetometers. The pros and cons of different types of UAV, magnetic interference characteristics and suppression methods based on traditional aeromagnetic compensation and other methods are discussed in detail. This study contributes to the classification of current UAV applications as well as the data processing methods in magnetic surveys.

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