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Forecasting Tourism Data Using Neural Networks - Multiscale Autoregressive Model Brodjol Sutijo; Suhartono Suhartono; Alfonsus J. Endharta
Jurnal Matematika & Sains Vol 16, No 1 (2011)
Publisher : Institut Teknologi Bandung

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Neural Networks - Multiscale Autoregressive (NN-MAR) model is a development of neural network. The network is built by using wavelet theories for time series forecasting. There are few research explaining how NN-MAR model can be used for forecasting seasonal time series data. The main aspect for forecasting seasonal time series data is the lag inputs, which should include seasonal lags. The procedure starts from Maximal Overlap Discrete Wavelet Transform (MODWT) decomposition. For non-stationary data, the differencing process is used to get a stationary data. From the decomposition process we get the scale and wavelet coefficients. The lags of these coefficients are used as the inputs in the network. In the hidden layer, the number of hidden neurons is chosen by using the criterion of R2incremental and F-test, so that we get the best NN-MAR model. The aim of this research is to build NN-MAR model for seasonal time series data, such as tourism data. The number of international tourist coming to Soekarno-Hatta airport in Jakarta and to Ngurah Rai airport in Bali are used as the case study.

Optimasi Parameter Kontroler PID BerbasisAlgoritma Particle Swarm Optimization untuk Pengendalian Kecepatan Motor Induksi Tiga Fase Suhartono, Suhartono Suhartono
Jurnal Teknik ITS Vol 1, No 1 (2012)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23373539.v1i1.256

Kontroler PID adalah kontroler yang paling populer abad ini karena kefektifannya luar biasa, implementasinya sederhana dan aplikasinya sangat luas. Namun, dalam prakteknya tuning kontroler PID merupakan suatu persoalan tersendiri yang tidak mudah dan umumnya masih dilakukan secara manual yang memerlukan cukup waktu. Tugas akhir ini membahas teknik tuning kontroler PID menggunakan metode PSO (Particle Swarm Optimization). Hasil simulasi menunjukkan bahwa metode PSO yang digunakan untuk mendapatkan nilai parameter PID menghasilkan performa sistem yang baik terutama pada saat wmin = 0,25, wmax = 0,75 jumlah populasi sebanyak 50 dan dilakukan sebanyak 50 iterasi didapatkan Kp = 11,2215, Ki = 2,0873 dan Kd = 5,4503 dan ketika dilakukan didapati rise time sebesar 8,4 detik, overshoot sebesar 2%, setling time sebesar 10,72 detik dan error steady state sebesar 20 RPM.

DINAMIKA HUKUM KELUARGA ISLAM DI ERA MILLENNIAL: DINAMIKA HUKUM KELUARGA ISLAM DI ERA MILLENNIAL Suhartono, Suhartono Suhartono
Al Mashalih - Journal of Islamic Law Vol. 1 No. 2 (2018): AL-MASHALIH (Journal of Islamic Law)
Publisher : Sekolah Tinggi Ilmu Syariah Husnul Khotimah

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The millennial era can be felt as an era full of paradoxes. Millennial families are the construction of new family realities that are not completely in line with traditional Islamic family norms/laws that encourage modernization in Islamic law. This study aims to find out the method of ijtihad in Indonesia in renewing Islamic family law and its scope in the milennial era. The type of research used is descriptive qualitative research using literature research methods in which family law is an object of research. The results of the study show that the ijtihad method used was a method of combining various methods of normative ijtihad of the scholars by considering the demands of modern legislation. Renewal of Islamic family law in the midst of social change, includes: (1) Islamic family law as a social reality in the process of social reform; (2) Transformation of Islamic family law values from living law but not structured into national law; (3) Islamic family law as a living reality and social transactions towards consensus; (4) Modernization and shift in the value of Islamic family law; (5) Law as the reality and process of cultural transplantation; (6) Islamic family law and peace negotiations with globalization of values; (7) Islamic family law becomes part of the positivation of national law.

DINAMIKA HUKUM KELUARGA ISLAM DI ERA MILLENNIAL: DINAMIKA HUKUM KELUARGA ISLAM DI ERA MILLENNIAL Suhartono, Suhartono Suhartono
AL-MASHALIH (Journal of Islamic Law) Vol. 1 No. 2 (2018): AL-MASHALIH (Journal of Islamic Law)
Publisher : Sekolah Tinggi Ilmu Syariah Husnul Khotimah

Show Abstract | Download Original | Original Source | Check in Google Scholar

The millennial era can be felt as an era full of paradoxes. Millennial families are the construction of new family realities that are not completely in line with traditional Islamic family norms/laws that encourage modernization in Islamic law. This study aims to find out the method of ijtihad in Indonesia in renewing Islamic family law and its scope in the milennial era. The type of research used is descriptive qualitative research using literature research methods in which family law is an object of research. The results of the study show that the ijtihad method used was a method of combining various methods of normative ijtihad of the scholars by considering the demands of modern legislation. Renewal of Islamic family law in the midst of social change, includes: (1) Islamic family law as a social reality in the process of social reform; (2) Transformation of Islamic family law values from living law but not structured into national law; (3) Islamic family law as a living reality and social transactions towards consensus; (4) Modernization and shift in the value of Islamic family law; (5) Law as the reality and process of cultural transplantation; (6) Islamic family law and peace negotiations with globalization of values; (7) Islamic family law becomes part of the positivation of national law.

Penerapan Metode Outdoor Learning untuk Meningkatkan Hasil Belajar IPS pada Siswa Kelas V SDN Purwodadi Kecamatan Kuwarasan Efendi, Astika Rizkiana; Suhartono, Suhartono Suhartono; Susiani, Tri Saptuti
Kalam Cendekia: Jurnal Ilmiah Kependidikan Vol 11, No 2 (2023): Kalam Cendekia: Jurnal Ilmiah Kependidikan
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jkc.v11i2.73198

Tujuan penelitian ini adalah mendeskripsikan langkah-langkah Outdoor Learning, meningkatkan hasil belajar IPS, serta mendeskripsikan kendala dan solusi yang ditemui dalam pembelajaran. Subjek penelitian penelitian ialah guru dan siswa kelas V SDN Purwodadi Kecamatan Kuwarasan. Data yang digunakan berupa data kualitatif dan kuantitatif. Teknik pengumpulan data menggunakan observasi, wawancara, dan tes. Validitas data menggunakan triangulasi sumber dan teknik. Analisis data dilaksanakan melalui reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan peningkatan hasil belajar IPS dengan metode Outdoor Learning. Persentase ketuntasan hasil belajar siklus siklus I = 78,57%, siklus II = 88,09%, dan siklus III = 90,47%. Kendala yang ditemui yaitu siswa kurang aktif dalam pembelajaran, serta adapun solusi yaitu memberi stimulus dan motivasi. Dapat disimpulkan bahwa penerapan metode Outdoor Learning dapat meningkatkan hasil belajar IPS tentang interaksi manusia dengan lingkungan pada siswa kelas V SDN Purwodadi Kecamatan Kuwarasan tahun ajaran 2022/2023.

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