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16 Doi: 10.19062/1842-9238.2016.14.2 Review of the Air Force Academy The Scientific Informative Review, Vol. XIV, No 2 (32) 2016 DOI: 10.19062/1842-9238.2016.14.2 BRAŞOV - ROMANIA SCIENTIFIC ADVISERS EDITORIAL BOARD General Prof Teodor FRUNZETI, PhD EDITOR-IN CHIEF (National Security Department, Bucharest, Romania) Air Flotilla General Prof Vasile BUCINSCHI, PhD LtCol Assoc Prof Laurian GHERMAN, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (“Henri Coandă” Air Force Academy, Braşov, Romania) Col Prof Constantin-Iulian VIZITIU, PhD (Military Technical Academy, Bucharest, Romania) EDITORIAL ASSISTANTS Prof Ion BĂLĂCEANU, PhD (Hyperion University, Bucharest, Romania) Prof Constantin ROTARU, PhD Prof Necdet BILDIK, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (Celal Bayar University, Turkey) Maj lect. Cosmina ROMAN, PhD Assoc Prof Ella CIUPERCĂ, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (National Intelligence Academy, Bucharest, Romania) Assoc Prof Nicoleta CORBU, PhD EDITORS (National School of Political Studies, Romania) Researcher Maria de Sao Jose CORTE-REAL, PhD LtCol Assoc Prof Adrian LESENCIUC, PhD (Universidade Nova, Lisbon, Portugal) (“Henri Coandă” Air Force Academy, Braşov, Romania) Researcher Alberto FORNASARI, PhD Prof Traian ANASTASIEI, PhD (“Aldo Moro” University of Bari, Bari, Italy) (“Henri Coandă” Air Force Academy, Braşov, Romania) Prof Vladimir HORAK, PhD Assoc Prof Ludovic Dan LEMLE, PhD, (University of Defense, Brno, Czech Republic) (“Politehnica” University of Timisoara, Romania) Assoc Prof Valentin ILIEV, PhD Assist Prof Liliana MIRON, PhD (Technical University of Sofia, Bulgaria) (“Henri Coandă” Air Force Academy, Braşov, Romania) Assoc Prof Berangere LARTIGUE, PhD Lect. Daniela NAGY, PhD (“Paul Sabatier” University, Toulouse, France) (“Henri Coandă” Air Force Academy, Braşov, Romania) Prof Marcela LUCA, PhD Maj T.A. Cosmin IVANCIU (Transilvania University, Braşov, Romania) (“Henri Coandă” Air Force Academy, Braşov, Romania) Assoc Prof Doru LUCULESCU, PhD Col Ovidiu MOSOIU, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (“Henri Coandă” Air Force Academy, Braşov, Romania) Prof Vasile MACOVICIUC, PhD Col Vasile ŞANDRU, PhD (Academy of Economic Studies, Bucharest, Romania) Prof Yoshifumi MANABE, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (Kogakuin University, Tokyo, Japan) Prof Vitalijs PAVELKO, PhD PRINTING (Riga Technical University, Latvia) Eng Daniela OBREJA Col Prof Marian PEARSICĂ, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (“Henri Coandă” Air Force Academy, Braşov, Romania) S Prof Eng Ştefan-Gheorghe PENTIUC, PhD DESIGNER Eng (“Ştefan cel Mare” University, Suceava, Romania) Mariana GHINDĂOANU (“Henri Coandă” Air Force Academy, Braşov, Romania) Researcher Asher SHAFIR, PhD (Tel Aviv University, Tel Aviv, Israel) Inf Adina DOBRIŢOIU Prof Florentin SMARANDACHE, PhD (“Henri Coandă” Air Force Academy, Braşov, Romania) (University of New Mexico, Gallup Campus, USA) Assoc Prof Ivanka Milkova STAMOVA, PhD (Burgas Free University, Burgas, Bulgaria) Assoc Prof Alexandru ŞTEFAN, PhD (Manhattan Institute of Management, New York, USA) Assoc Prof Michael TODOROV, PhD (Technical University of Sofia, Bulgaria) Assoc Prof Bledar TOSKA, PhD (University of Vlore, Vlore, Albania) Assoc Prof Cvatelina VELKOVA, PhD 0574 - 12/2016 (“Nikola Vaptsarov” Naval Academy, Varna, Bulgaria) The editorial board claims no responsibility concerning the scientific contents of the published papers in this issue. The authors take the full responsibility for the contents. No part of this publication may be reproduced, partially or totally, without the prior written permission of the publishing board. “Henri Coandă” Air Force Academy Publishing House, 160, Mihai Viteazul St., Braşov, 500187, Phone: +40 268 423421, fax: +40 268 422004 email: [email protected] © December, 2016 ISSN 1842-9238 C O N T E N T S Róbert SZABOLCSI A New Emergency Landing Concept For Unmanned Aerial Vehicles . 5 Daniel KUCHAREK, Krzysztof ROJEK The Analysis of the Law Making Process in the Transport of Dangerous Materials . 13 Vasile – Ioan ŞANDRU Aspects Regarding Antiaircraft Firing Effectiveness . 23 Viorel-Eugen BITAN, Valeriu CĂLIN Evaluation Systems for Antiaircraft Artillery and Surface-to-Air Live Firing Activities . 31 Sebastian Marian ZAHARIA Reliability Testing and Failure Analysis for Spar Structure of Helicopter Rotor Blade . 39 Alina PAPOI Personalities of Military Thought in Romania General Virgil Economu – Aviation as an Element of Coverage . 47 Vasile PRISACARIU, Ionică CÎRCIU Considerations Regarding the Performance of Combustion Chambers for Turbo-Jet Engines . 53 Vladimir KULISH, Vladimír HORÁK Forecasting the Behavior of Fractal Time Series: Hurst Exponent as a Measure of Predictability . 61 Laurian GHERMAN, Marian PEARSICA, Constantin STRÎMBU, Cristian-George CONSTANTINESCU A Theoretical Approach of a New Electromagnetic Launch System . 69 Constantin ROTARU, George Cristian CONSTANTINESCU, Oliver CIUICĂ, Ionică CÎRCIU, Eduard MIHAI Mathematical Model and CFD Analysis of Partially Premixed Combustion in a Turbojet . 83 Anamaria-Ioana ȘERBAN, Marian ALEXANDRU Remote Control for a Microcontroller Based Graphic Equalizer Used in Light Organs . 93 3 Review of the Air Force Academy No 2 (32) 2016 George-Alex STELEA, Radu CURPEN, Ștefania ȘURARIU, Alexandru PAPOI Peer-to-Peer Real-Time Cloud Communication Solutions . 99 Gheorghe MORARIU, Otilia CROITORU The Resonance Frequency Correction in Cylindrical Cavities in Axial Direction . 109 Monica PURCARU About General Conformal Almost Symplectic N-Linear Connections on K- Cotangent Bundle . 115 Radu CURPEN, Mihai-Iulian ILIESCU, Florin SANDU An Analysis of 3g-4g Traffic Guidance Methods . 123 Ana-Maria IUJĂ, Marian ALEXANDRU Making a Voice Call Using Arduino Uno R3 and GSM GPRS Shield A-GSM V2.68 . 133 Ioana GOLU Career Counseling – Investigative Endeavour for the Projection of a Career Plan . 137 Marinela SÎRBU, Roxana MAIER The Emotional Intelligence – Social Intelligence Relationship in The Particular Case of Psychotherapists and Social Workers . 143 Diana ILIȘOI Challenges of Interculturality . 149 Daniel-Cornel ŞTEFĂNESCU Is Hybrid Warfare a New Manner of Conducting Warfare? . 155 Diana CHIȘ-MANOLACHE, Ciprian CHIȘ The Human Resources Management Role in Ensuring the National Defence . 161 Books Review . 167 Notes for Authors . 172 4 Review of the Air Force Academy No 2 (32) 2016 A NEW EMERGENCY LANDING CONCEPT FOR UNMANNED AERIAL VEHICLES Róbert SZABOLCSI Óbuda University, Budapest, Hungary DOI: 10.19062/1842-9238.2016.14.2.1 Abstract: Modern world is busy with newest UAV civil and military applications. Due to safety level provided by modern UAVs and UASs there are only few initiatives to apply UAV in habited areas to minimize damages and losses both in nature and environment, and in human beings, too. If the UAV must be landed in emergency situation fast and safe way, a human operator of the UAV having limited skills and abilities must be eliminated to ensure successful accomplishment of the emergency landing maneuver. The aim of the author is to establish a new concept of the emergency landing based upon multiple-criteria decision-making (MCDM) procedure. Keywords: UAV, UAS, emergency landing, forced landing, multiple criteria decision making. 1. INTRODUCTION UAV applied in any mission can get in unsafe flight situation due to many reasons. If there is a human operator controlling the UAV he can make a decision about interrupting the flight mission. In the conventional fashion there are two common reasons that can lead to emergency landing of the UAV. First reason is loss of command signals. It is mainly handled with returning UAV to the place of take-off. This procedure is often known as RtH (Return-to-Home) mission. Secondly, the loss of thrust provided by the propulsion system can lead to forced landing of the UAV. These two causes and their consequences have been exhaustively described in [6, 7, 10]. The main goal of the author is to identify and segment other reasons threatening flight safety of the UAV. Although there is a pre-flight inspection of the UAV to reach maximum of the flight safety, there are many reasons can lead to a critical flight situation. It is needless to prove that UAV operator will plan the UAV flight mission with considerations of the all available initial data. The problem can arise here when external conditions (e.g. wind, deposit, temperature etc) are very changeable. Moreover, during simplest UAV applications at the operator’s ground control station there is no information about flight conditions and processes turned into that of worse or extreme ones. Regarding references of [4,6,7,10,11,12] dealing with UAV emergency landing many threats to flight safety of the UAV are still uninvestigated, and, only first steps are made in solution of problems related to UAV safe operations in emergency landing maneuver. 5 A New Emergency Landing Concept for Unmanned Aerial Vehicles 2. RELATED WORKS The investigation of the emergency landing of the UAV in extreme flight situations is traced back almost a decade. It was, and still evident that onboard automatic flight control system must ensure flight safety minimums at any flight phase including emergency landing of the UAV. The task of the safe execution of the emergency landing is very challengeable. Many early researches dealt with flight path planning ensuring landing on safe landing zones providing minimum losses and, minimized threat both to environment and to human being [4,6,7,10].
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