Purwananto, Yudhi (2021) Model Optimasi Untuk Penyelesaian Permasalahan Collision Avoidance Pada Lalu Lintas Udara Berdasarkan Perubahan Pergerakan Pesawat Dan Kondisi Awan Dinamis. Doctoral thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Sistem Air Traffic Controller (ATC) bertujuan untuk mengatur lalu lintas 
penerbangan untuk mencegah terjadinya tabrakan pada pesawat yang biasa disebut 
Collision Avoidance (CA). Studi tentang CA, yang disebut Conflict Detection and 
Resolution (CDR), menjadi lebih penting karena lalu lintas udara meningkat secara 
signifikan setiap tahun. Studi sebelumnya menggunakan algoritma pengoptimalan 
untuk CDR dan tidak melibatkan keberadaan awan Cumulonimbus (CB). Awan CB
banyak ditemukan di daerah tropis seperti di Indonesia. Oleh karena itu, pelibatan 
awan CB dalam algoritma pengoptimalan CDR akan menjadi signifikan di Indone�sia. 
Pemodelan CA yang dikembangkan berbasis CDR yang melibatkan awan CB 
dengan mempertimbangkan tiga manuver pesawat, yaitu Velocity, Angle Turn, dan 
Altitude level Change (VTAC). Algoritma pengoptimalan yang dikembangkan ber�dasarkan solver Mixed-Integer Programming (MIP) karena efisiensinya. Algoritma 
yang diusulkan ini membutuhkan dua data masukan, yaitu masukan status pesawat 
dan awan awal serta parameter penerbangan berupa tingkat kecepatan, sudut dan 
ketinggian. Keluaran dari algoritma pengoptimalan VTAC adalah kecepatan, 
ketinggian, dan sudut putar optimal pesawat yang ditentukan berdasarkan variabel 
yang dihitung saat ini. 
Eksperimen ekstensif telah dilakukan untuk memvalidasi pendekatan yang 
diusulkan dan hasil eksperimen menunjukkan bahwa tabrakan antara pesawat dan 
awan dapat dihindari dengan perubahan minimum pada kecepatan pesawat, sudut 
dan tingkat ketinggian. Algoritma VTAC menghasilkan jarak yang lebih jauh untuk 
menghindari tabrakan antar pesawat setidaknya 1 Nautical Mile (NM) dibanding�kan dengan algoritma VAC. Penambahan sudut dalam algoritma VTAC telah 
meningkatkan hasil secara signifikan.
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An Air Traffic Controller (ATC) system aims to manage airline traffic to 
prevent collision of the airplane, called the Collision Avoidance (CA). The study 
on CA, called Conflict Detection and Resolution (CDR), becomes more critical as 
the airline traffic has grown each year significantly. Previous studies used 
optimization algorithms for CDR and did not involve the presence of 
cumulonimbus clouds. Many such clouds can be found in tropical regions like in 
Indonesia. Therefore, involving such clouds in the CDR optimization algorithms 
will be significant in Indonesia. 
We developed a CDR-based CA modelling that involves the Cumulonimbus 
(CB) clouds by considering three airplane maneuvers, i.e., Velocity, angle Turn and 
Altitude level Change (VTAC). Our optimization algorithm is developed based on 
a Mixed-Integer Programming (MIP) solver due to its efficiency. This proposed 
algorithm requires two input data, namely the initial airplane and cloud states input 
and the flight parameter such as velocity, angle and altitude levels. The outputs of 
our VTAC optimization algorithm are the optimum speed, altitude and angle turn 
of an airplane that is determined based on the currently calculated variables. 
Extensive experiments have been conducted to validate the proposed 
approach and the experiment results show that collisions between airplanes and 
clouds can be avoided with minimum change of the initial airplane velocity, angle 
and altitude levels. The VTAC algorithm produced longer distance to avoid 
collision between airplanes by at least 1 Nautical Mile (NM) compared to the VAC 
algorithm. The addition of angle in the VTAC algorithm has improved the result 
significantly.
| Item Type: | Thesis (Doctoral) | 
|---|---|
| Uncontrolled Keywords: | Air Traffic Control, Collision Avoidance, Conflict Detection and Resolution, Sequential Mixed Integer Linear Optimization | 
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL696.C6 Airplanes--Collision avoidance T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL725.3.T7 Air traffic control T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL725.3 Traffic Control | 
| Divisions: | Faculty of Intelligent Electrical and Informatics Technology (ELECTICS) > Informatics Engineering > 55001-(S3) PhD Thesis (Comp Science) | 
| Depositing User: | - Davi Wah | 
| Date Deposited: | 28 May 2021 07:40 | 
| Last Modified: | 28 May 2021 07:40 | 
| URI: | http://repository.its.ac.id/id/eprint/84233 | 
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