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Add Chapter 3 Methodology (#79)

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* feat(latex): initialize new structure for methodology chapter

* feat(latex): initialize sections for methodology chapter including data analysis, materials, and steps

* feat(latex): add detailed description and structure for materials section in methodology chapter

* fix(latex): correct section title from "Bahan dan Materi" to "Benda Uji" to give more context about the thesis

Closes #71

* feat(latex): add section for tools in methodology chapter

* feat(latex): initialize methodology steps with overall clue descriptions of research phases

* feat(latex): add specimen diagram with sensor notation for data representation in methodology chapter

* feat(latex): add diagram for joint and sensors placement in methodology chapter

* feat(latex): update dataset figure and add specimen image in methodology chapter

* feat(latex): expand data analysis section in methodology chapter

* fix(latex): fix citation format for secondary data source in methodology chapter

* feat(latex): add data acquisition section with dataset details and sampling information

* fix(latex): update input paths in methodology chapter for correct file referencing

* feat(latex): add hardware and software sections with detailed descriptions and components used in the research

* Update latex/chapters/id/03_methodology/tool/hardware.tex

fix(latex): Fix figure reference

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update latex/chapters/id/03_methodology/steps/index.tex

chore: remove double slash of image path

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update latex/chapters/id/03_methodology/data_analysis/index.tex

fix(latex): Fix typo

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: nuluh <dam.ar@outlook.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit was merged in pull request #79.
This commit is contained in:
Rifqi D. Panuluh
2025-05-23 03:25:23 +07:00
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\section{Tahapan Penelitian}
Alur keseluruhan penelitian ini dilakukan melalui tahapan-tahapan sebagai berikut:
\begin{figure}[H]
\centering
\includegraphics[width=0.3\linewidth]{chapters/id/flow.png}
\caption{Diagram alir tahapan penelitian}
\label{fig:flowchart}
\end{figure}
\begin{enumerate}
\item \textbf{Akuisisi Data:} Mengunduh dataset dari \textcite{abdeljaber2017} yang berisi sinyal percepatan untuk 31 kondisi struktur (1 kondisi sehat dan 30 kondisi kerusakan tunggal).
% \item \textbf{Seleksi Sensor:} Memilih sinyal dari sejumlah sensor terbatas pada garis vertikal tertentu (misalnya, node 1 dan 26) untuk mensimulasikan konfigurasi sensor yang direduksi.
\item \textbf{Pra-pemrosesan:} Melakukan normalisasi dan mengubah sinyal domain waktu mentah menjadi domain waktu-frekuensi menggunakan metode Short-Time Fourier Transform (STFT).
\item \textbf{Ekstraksi Fitur:} Menghasilkan \textit{data frame} frekuensi dalam domain waktu.
\item \textbf{Pengembangan Model:} Membangun dan melatih model klasifikasi berbasis algoritma pemelajaran mesin klasik (SVM, LDA, Bagged Trees, Random Forest, XGBoost) untuk mengklasifikasikan lokasi kerusakan struktur.
\item \textbf{Evaluasi:} Mengevaluasi kinerja model menggunakan metrik akurasi, presisi, dan confusion matrix pada berbagai skenario pengujian.
\end{enumerate}
\subsection{Akuisisi Data}
\input{chapters/id/03_methodology/steps/data_acquisition}
% \subsection{Prapemrosesan Data dan Ekstraksi Fitur}