This year for the fifth time the Department of Aeronautics and Astronotika University of Tokyo, with Japan Society of Aeronautical and Space Science (JSAS) held a Student Indoor Aerial Robot Contest. One purpose of this contest is being held to raise interest and engineering capabilities in the field of aerospace technology in university environments in Japan.In this contest, participants are required to design, build and fly a mini-sized aircraft for a specific mission that has been set. Since the third contest held in March last year, Prof.. Shinji Suzuki, Dr.Eng as the initiator of the contest has been invited several teams of participants from outside Japan, namely from the Korean Advanced Institute of Science and Technology (KAIST) Korea, National Formosa University (NFU) and the Taiwan Institute of Technology Bandung (ITB) Indonesia.
Mission in the contest this year is dropped otedama, a typical Japanese game device in the form of fire sand with 12-15 grams of weight in three specific points. In addition, participants can perform a series of additional missions such as flying across the net, vertical loop fly and fly without pilot control. The mission must be carried out with a mini aircraft weight no more than 200 grams. Assessment is based on the location of the fall otedama distance from the target point and the team's ability to complete additional missions. The entire mission must be completed in less than 3 minutes. Given the opportunity to fly only one time.
Faculty of Mechanical Engineering and Aerospace of ITB, sent a team to the aircraft 'Bul-Bul 2.0' which consists of three students: Ametia Ferry Primary, Hardian and M. Luthfi Nurhakim. The team set out with Dr. Taufiq Mulyanto as lecturers. Participation ITB team get funding support from the office of Vice Chancellor Student Affairs and Alumni, the Faculty of Mechanical and Aerospace Engineering, ITB Alumni Association and of the PLN. The aircraft 'Bul-Bul 2.0' is the development of the aircraft 'Bul-Bul' who won the Indonesian Indoor Aerial Robot Contest last year in Bandung. The aircraft 'Bul-Bul 2.0' is an aircraft with a multi-plane configuration (wings a lot) with the main construction material Styrofoam. This configuration is selected in order to obtain the total area of the large wing area, allowing the aircraft at low speed, but it also reduces the roll moment of inertia of the aircraft so that aircraft remains under control swiftly. Low flying speed necessary to facilitate the imposition of targeted otedama target point, while the agility needed to maneuver a vertical loop.
Japan Student Indoor Aerial Robot Contest this year was held on 19-20 September, which coincided with the last day of fasting and Idul Fitri holidays. Although the implementation time of less comfortable, the team still went racing. Located in Makahuri Messe International Convention Complex, the city of Chiba, about 1 hour trip from Tokyo. The contest was held in conjunction with several other events for the general public as a paper airplane contest and the initiation of technology for children. This large building was a few years ago used to hold exhibitions of automotive Tokyo Motor Show.
52 teams registered in the contest this year, 3 of them from outside Japan. Among the participants developed the plane there were quite a lot of unique designs, such as ring-wing aircraft, aircraft with the ability to power an elevator Augmented winners in past years, the aircraft with a canard configuration and automatic flight control system flight altitude.
Before you can show of skill to fly, each aircraft must first pass the validation committee. Among the things which validation requirement is a maximum weight of aircraft that should not be more than 200 grams, the integrity of the aircraft structure, control system, a system for dropping otedama and flight safety aspects. The planes are generally made using balsa wood construction accurately cut very neatly. At the University of Tokyo, made of balsa wood cut using a laser cutter automatic. Laser cutter blade will move to cut balsa wood as a component of the tools provided through the digital image. Tools with this technology that allows a component has a complex shape accurately and consistently fast.
The first day of the program is the play-offs for the first team and 27 technical presentations by the entire team posters. The program continued on the second day with 27 teams qualifying round second and final round. ITB team get lottery numbers 50 and competed in the second day. From 52 teams, only 17 team entering the final round. Among the seventeen teams, only the ITB team from outside Japan.
Impassable playoffs ITB team well, despite some difficulties. When the flight, the connection is not perfect that wing aircraft control suffers. Conditions of this previously undetectable due to the possibility of shocks during transport plane from Jakarta to Tokyo. However, the pilot can handle grateful and accomplish the mission well.
Regulation in the final round with the play-offs. Seventeen teams entered the final round has shown good performance with the ability to complete their respective missions. Noting performance teams, evident that the competition to be the best is very heavy. In accordance with the number of participants, ITB team got the last fight sequence. Thanks to rapid improvements that have been made the team, this time the flight can be accomplished with better results than the previous quarter. Team's ability to perform vertical loop maneuver in three consecutive time to get the audience clapping.
As the winner announcement that was read in Japanese, ITB team won the 'Best Pilot' thanks to a combination of design features with the ability to control aircraft pilots. The jury believed that the wing design Bul-Bul 2.0 with a short span should have a level of stability is less good roll, but the combination of agility and control aircraft pilots are able to get a jury appreciation. According to the plan, this contest will be held again next year, we all hope ITB can return to participate and get a better performance again.
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