| At the International Electromagnetic Forum of Aviation held at the MBC Convention Center at Jinju Innovation City on March 4, President EMA Road Ferrara of the United States introduced the global electromagnetic certification system. The Korean Institute of Testing and Research (KTL) has organized the International Electromagnetic Forum of Aviation in commemoration of the launch of the Jinju Aviation Electromagnetic Technology Center. The forum is designed to invite national and international aviation experts to provide the latest trends in aviation electromagnetic technology and aeronautical technology information to small and medium enterprises. The experts presented the importance of avionics testing and certification. In addition, it is estimated that the construction of a avionics technology center to do this will play an important role for the development of domestic aviation industry. We summarize the contents of the conference presented today and introduce in the document.
Law Aeronautical Electromagnetic Validation Law and Worldwide Certification Scheme
Rod Perala, President of the United States, EMA
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| Ferrara Road EMA President |
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To verify operational safety from the aircraft, it is necessary to thoroughly check the test and the badessment of the aircraft as a whole.
The first love at first sight of an airplane was recorded in 1915, when lightning occurred during the first flight of the aircraft, Germany Zeppelin LZ40. The first love at first sight of a similar type to that of the present occurred in 1929 in New Mexico, United States, causing the death of eight pbadengers on board.
Thunderstorms directly affect fire, deformation and melting. Indirectly, there is a risk of damaging the electronic equipment inside the aircraft or causing errors.
NASA measured the characteristics of these lightning strikes. In addition, research on simulation programs simulating various types of lightning aircraft have been pursued
It is very important to study lightning on all air units.
It is also important to ensure aircraft safety for high intensity electromagnetic fields (HIRFs). The high-intensity electromagnetic field does not damage the aircraft like a lightning strike due to a strong electromagnetic field generated by radar, radio communication, and so on. However, it can cause a malfunction of an electronic device in an aircraft and have a great influence on safety.
The FAA issued a document on guidelines for the certification of high intensity electromagnetic fields in 2006. In accordance with the requirements of this document, high-strength electromagnetic field tests that have a direct impact on aviation safety must be be carried out and research on simulation programs to badyze the impacts are ongoing
The industry can not overemphasize the importance of the field of certification testing, which evaluates the safety of aircraft, because it can lead to promising fields with high added value or large scale losses in the event of an accident. Therefore, preliminary research using test evaluation and simulation programs prior to the aircraft is an important factor in the thorough verification of safety.
◇ Future and Prospects of the Aerospace Industry
Park Jong-won Department of Automotive Aviation, Department of Industry
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| Park Jong-won Director, Industrial Division |
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The Fourth Industrial Revolution should change our industry. In the future, eco-responsible modernization, the emergence of new markets, the promotion of ecosystem convergence and the innovation of the production system should occur. However, the domestic aviation industry currently lacks basic skills. The market is growing, but it is small in absolute size and concentrated in military and gas structures.
We should make it a global restructuring opportunity in the era of the 4th Industrial Revolution.
First, in order to secure the core technologies for the future of the aviation industry, △ focus on the development of the core technology of aeronautical electronics and convergence technology ICT,
Second, to develop in the global market and to create new markets, △ to expand the global supply chain through RSP (International Joint Development Project)
Third, create an ecosystem Comprehensive National Competitiveness △ Create a platform for aviation and drones △ to enhance productivity, quality and cost competitiveness
◇ Future radio technology
This project aims to promote the development of future aviation technology Director of Technical Standardization of the National Radio Research Institute Hwang Jae
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| Director of the National Institute of Radiology, Lee, Hwang-jae |
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Many people died in the Titanic accident, but 700 have survived. This is because the SOS radio informed the surrounding ships of the structure. This is an example of the importance of radio waves. The history of aeronautical radios dates back to the 1910s. Airborne radiocommunications developed around military needs (functional safety, etc.). In the early days, the LF and MF bands were used and gradually extended to the HF and VHF bands
The airlines are one of the oldest and most important areas of frequency utilization. International standardization of airborne radiocommunication systems is possible through international frequency distribution. The frequency distribution is determined by the World Radiocommunication Conference (WRC), which is held every three or four years.
Future Airborne Radiations May Be Deployed on Unmanned Aircraft (UAV), Stratospheric Stations (HAPS), Global Systems of
Expectations for the Use of Radio Waves be further expanded to ensure the effectiveness of the system and various enforcement services, as well as increased security support in the future. And move to higher frequency bands to meet the changing demands of aviation such as transmission capacity, data and speed accuracy coverage. In addition to frequencies for aviation services, various innovative developments are expected in the use of frequency bands shared with other services.
◇ Trends in indirect and direct measurements of lightning in aircraft
Kyung Sang University Aerospace Professor of Engineering
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| Professor Kyung Sang Kwon of Kyung Sang Kwon |
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Thunderstorms are a daily safety problem when flying in an airplane. Recently, a love at first sight has been observed by an artificial activity.
A thunderbolt on an airplane occurs when a big thunderbolt gets closer to the plane. Direct effects physically damage aircraft structures and electronic equipment wires. Indirect effects have a devastating effect on air navigation and electronic equipment.
To this end, the design of a lightning protection system should make the current trajectory by love at first sight or suffer physical impacts. Indirectly protective earthing should be avoided by using only one earthing, shielding, etc. to avoid the expense of electronic equipment.
The Jinju Sacheon Airlines National Industrial Complex R & D Center is needed to revitalize the R & D function and cultivate the workforce. To this end, the project "Aeronautical Core Technology Research Center", led by Gyeongsang University, is implemented from last year to 2024.
In the case of foreign countries, the center Cluster R & D supports the R & D function of the national aeronautical industrial complex by developing the core source technology. You can see the need. NIAR, Wichita State University in the United States, is one of the world's leading research centers for industrial research. It is the best university research center in the world established in 1985. More than 500 people are responsible for research, design, testing, certification, technology transfer and education. A good example of the lab's independence is the University of Maryland CALCE.
◇ Airplane HIRF Testing Assessment Technologies Trends
Gavin Barber (Gavin) is the world leader in the field of pre-diagnostic technology and methodology including reliability testing, badysis of the breakage and management of the supply chain. Barber) E3 Team Leader, British Air Force Research Institute
Safety is the most important factor in aviation. The planes are equipped with many parts and communication devices. Since the electromagnetic field generated by wireless communication and the electromagnetic field coming from the outside are present in and of themselves, the badessment of safety is a very important task. In particular, the proportion of high intensity electromagnetic fields (HIRF), introduced by radio and radar, is increasing. A thorough evaluation of the test is very important. In addition to safety during the use of an aircraft, safety considerations such as risk badessment, test plans and safety documentation are also very important.
There are two ways to pbad the HIRF test. One is the "direct application method" in which the HIRF for the entire aircraft is directly applied through an aircraft antenna or the like.
In addition, a low-level test method for calculating the electromagnetic field by extracting the attenuation ratio by applying a weak electromagnetic field from outside the aircraft, & # 39 ;.
Theorem = Kang Jin-sung reporter
This is a method to compare the HIRF test level performed by the internal device alone by calculating the ratio of the electromagnetic field that the aircraft reaches to the Inside when HIRF is exposed.
| Extreme Electromagnetic Environment
The extreme electromagnetic environment is a new concept of the electromagnetic environment that must be overcome in the early 1990s.
In the aeronautical field, there is a problem in the Electrical and electronic system in the air: in the case of high intensity electromagnetic pulse (EMP) and lightning, it has the strongest resistance, the worst polarization and the worst form of electricity. wave. And can interfere with the continuation of the flight and the landing safely of the aircraft. Recently, as dependence on electrical and electronic systems increases in the design process of new aircraft, the circuit is sensitive to indirect effects such as radiofrequency and lightning.
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| The aviation industry and related industries participated in the International Forum of Aviation and Electromagnetism which it is held in Jinju on the 4th. Institutional officials applaud. |
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