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3 results for "Muhammad Hafidzuddin"

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  1. Journal Article

    Development of 220V Overcurrent Relay Protection System Based on Internet of Things

    Arnawan Hasibuan; Muhammad Hafidzuddin; Misbahul Jannah et al.

    Andalas Journal of Electrical and Electronic Engineering Technology, Vol. 5 No. 1 · 2025 · English · DOAJ SINTA 3

    Electrical protection is essential to keep electrical systems safe. A suitable protection system can create a safe situation in the event of an overcurrent or voltage drop in the power grid. This can be caused by various factors such as usage, short circuits, or other disturbances. An electrical…

  2. Journal Article

    MODELING DEMOCRACY INDEX IN INDONESIA WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINE APPROACH

    Toha Saifudin; Suliyanto Suliyanto; Galuh Cahya Nugraha et al.

    Barekeng, Vol. 19 No. 4 · 2025 · English · DOAJ Scopus

    Democracy is a system of government where citizens participate in political decision-making through freely elected representatives. To measure the quality of democracy in Indonesia, the Indonesian Democracy Index (IDI) is used as a composite indicator reflecting various aspects of political…

  3. Journal Article

    Air Temperature Prediction in Sleman Yogyakarta using Fourier Series and Markov Switching

    Idrus Syahzaqi; Muhammad Riefky; Fajar Dwi Cahyoko et al.

    JTAM (Jurnal Teori dan Aplikasi Matematika), Vol. 10 No. 2 · 2026 · Indonesian · DOAJ

    Global warming increases the urgency of accurate local temperature forecasting, particularly in Sleman, Yogyakarta, a region characterized by diverse topography and high exposure to climate-related risks such as volcanic activity, agricultural vulnerability, and rapid urbanization. Such conditions…