Journal-Technology of Computer

Perancangan Sistem Pakar untuk Mendiagnosa Gangguan Kesehatan Mental pada Remaja Menggunakan Pendekatan Forward Chaining dan Certainty Factor

2025-02-11T23:47:41+07:00

Mental health disorders in adolescents are an increasing problem and are often not diagnosed early. This is caused by various factors, such as social stigma, lack of awareness, and limited access to psychological services. To overcome this problem, this research developed an expert system based on the Forward Chaining and Certainty Factor methods to diagnose mental health disorders in adolescents. The Forward Chaining method is used to draw conclusions based on symptoms input by the user, while the Certainty Factor method helps in measuring the level of certainty of a diagnosis. This expert system was designed with a knowledge base developed based on literature and consultation with experts in the field of psychology. Testing is carried out through a simulation based on a questionnaire filled out by respondents. The research results show that the expert system developed is able to provide an initial diagnosis with a good level of accuracy, as well as provide further recommendations, such as consultation with a psychologist if necessary. It is hoped that this research can be a tool for teenagers, parents and medical personnel in detecting mental health disorders more quickly and accurately. Apart from that, implementing this system can also reduce the social stigma of mental health problems by providing a more objective and technology-based approach.

Penerapan Metode Fuzzy Mamdani Dalam Menentukan Suhu Optimal Pada Pendingin Ruangan (AC) Di Ruang Kelas

2025-02-23T20:44:04+07:00

The Mamdani fuzzy method can be used to address decision-making resolutions, such as in determining the optimal temperature for air conditioning (AC) in classrooms. The right temperature is highly dependent on several factors, such as the number of people in it, the outdoor temperature and the length of time the room is used, as well as other environmental factors. In this study, the Mamdani fuzzy method is used to model and determine the appropriate temperature for a classroom that has input variables in the form of the number of people and the outdoor temperature. By using a fuzzy system, it is expected to achieve a more efficient and comfortable temperature setting, as well as reduce energy waste in the use of AC. This study aims to provide a more adaptive and responsive solution to changing conditions in the classroom, by utilizing the power of fuzzy logic to support more precise decisions in AC temperature settings.

Implementasi Logika Fuzzy Mamdani Dalam Prediksi Curah Hujan Di Pesisir Selatan

2025-02-23T20:42:36+07:00

Rainfall prediction is a crucial aspect of flood disaster mitigation, especially in coastal areas. This study implements the Mamdani fuzzy logic method to predict rainfall in the southern coastal region based on variables such as rainfall intensity, duration, and river discharge. The Mamdani fuzzy model is employed to handle uncertainties in meteorological data through the stages of fuzzification, fuzzy rule formation, fuzzy inference, and defuzzification. Historical rainfall data from 2024, obtained from BMKG and BPS, serve as input for the model, and testing is conducted using the Fuzzy Inference System (FIS) in Matlab. This research explores the application of the Mamdani fuzzy logic method in predicting rainfall in the southern coastal region. The results demonstrate that fuzzy-based models are reliable for weather prediction, particularly rainfall forecasting, which plays a vital role in flood disaster mitigation. Furthermore, this fuzzy-based prediction system can support decision-making in disaster mitigation planning. With a relatively high level of accuracy, the Mamdani fuzzy method has the potential for further development in advanced AI-based weather prediction systems in the future.

Penentuan Jumlah Konsumsi Dengan Metode Penalaran Fuzzy Mamdani (Studi Kasus Prediksi Konsumsi Susu Untuk Balita)

2025-02-11T01:36:11+07:00

Penelitian ini dilakukan untuk memperkirakan jumlah konsumsi susu balita dengan menerapkan metode Fuzzy Mamdani berdasarkan jumlah balita dan pendapatan rata-rata kepala keluarga. Model ini dirancang untuk mengatasi ketidakpastian data serta memberikan prediksi yang lebih akurat terkait tingkat konsumsi susu di suatu daerah. Proses inferensi fuzzy dilakukan melalui aturan IF-THEN, sementara tahap defuzzifikasi menggunakan metode Bisector. Evaluasi dilakukan dengan membandingkan hasil prediksi dengan data aktual menggunakan Mean Absolute Percentage Error (MAPE). Hasil pengujian menunjukkan bahwa model ini mencapai tingkat akurasi hingga 90%, dengan tingkat kesalahan rata-rata berkisar antara 5-10%. Dengan tingkat akurasi yang tinggi, sistem ini dapat membantu perusahaan dalam perencanaan strategi distribusi dan produksi susu secara lebih efisien. Namun, penelitian ini masih memiliki keterbatasan dalam mempertimbangkan faktor eksternal lainnya. Oleh karena itu, pengembangan lebih lanjut diperlukan dengan mempertimbangkan variabel tambahan untuk meningkatkan keakuratan prediksi.

TIPOGRAFI SEBAGAI BENTUK EKSPRESI VISUAL DALAM MEDIA CETEK DAN DIGITAL

2025-02-19T18:01:25+07:00

Penelitian ini mengkaji transformasi peran tipografi sebagai bentuk ekspresi visual dalam media cetak dan digital. Melalui pendekatan kualitatif dengan metode studi pustaka, penelitian ini menganalisis evolusi fungsi tipografi, aspek ekspresif dalam komunikasi visual, serta implementasinya dalam berbagai platform media. Hasil penelitian menunjukkan bahwa perkembangan teknologi telah membuka spektrum baru dalam eksplorasi tipografi, menciptakan paradigma baru dalam praktik desain komunikasi visual. Konvergensi antara media cetak dan digital menghasilkan pendekatan inovatif dalam implementasi tipografi, di mana karakteristik unik dari masing-masing medium dapat diintegrasikan untuk menciptakan pengalaman visual yang lebih kaya. Penelitian ini juga mengidentifikasi tantangan dan peluang dalam pengembangan tipografi kontemporer, termasuk isu teknis, aksesibilitas, dan optimalisasi untuk berbagai platform.