Claim Missing Document
Check
Articles

Found 2 Documents
Search

Implementasi Metode Vikor Dalam Menentukan Buku Berdasarkan Tren Referensi Konsumen Pada Toko Gramedia Satria, Adjie; Hasdiana; Hadinata, Edrian
Jurnal Ilmu Komputer dan Sistem Informasi Vol. 2 No. 3 (2023): September 2023
Publisher : LKP Unity Academy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70340/jirsi.v2i3.74

Abstract

In the current digital era, changes in the book industry are very noticeable. Consumers are now more likely to look for references and buy books online. Easy access to the internet and the existence of e-commerce platforms have changed the way people search for and buy books. Apart from that, social media has also become an important channel for sharing book reviews and recommending reading to others. One of the shops affected by this digital era is the Gramedia bookstore, as one of the leading bookstores in Indonesia, experiencing several problems that need to be overcome in carrying out its operations. One of the main problems is competition with e-commerce platforms and online bookstores that offer books at lower prices, big discounts and fast delivery. This makes Gramedia have to look for strategies to remain competitive and attract customers to prefer shopping at physical stores or Gramedia online stores. Apart from that, Gramedia is also faced with changes in consumer patterns. More and more consumers are turning to reading books in digital or e-book form, which has an impact on physical book sales. Gramedia stores need to adapt their offerings to increasingly changing consumer preferences, as well as find ways to promote the benefits of reading and maintain interest in reading books amidst the abundance of digital entertainment and other activities. The VIKOR method is a useful tool in making complex decisions, such as determining books based on consumer reference trends in Gramedia Stores.
PERBANDINGAN KENDALI LOGIKA FUZZY DAN JARINGAN SARAF TIRUAN PADA SISTEM EKSITASI AUTOMATIC VOLTAGE REGULATOR UNTUK GENERATOR SINKRON Prasetia, Abdul Muis; Sartika, Linda; Satria, Adjie
Elektrika Borneo Vol 10, No 2 (2024): Elektrika Borneo Edisi Oktober
Publisher : Jurusan Teknik Elektro, Fakultas Teknik, Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35334/eb.v10i2.5744

Abstract

Generator sinkron memerlukan alat yang berfungsi untuk mengatur tegangan terminal tetap terjaga, alat tersebut dikenal sebagai Automatic Voltage Regulator (AVR) atau alat yang dapat arus eksitasi yang disuplai ke generator sehingga tegangan terminal generator tetap stabil. Penelitian ini membandingkan dua kendali yang berbeda yaitu logika fuzzy dan jaringan saraf tiruan pada AVR yang diharapkan dapat mengatur tegangan terminal generator pada nominal 220V. Data penelitian jaringan saraf tiruan diambil dari input dan output kendali PID sedangkan desain rules logika fuzzy menggunakan metode trial and error pada AVR yang sama. Hasil penelitian menunjukkan respon transient kinerja generator dengan hasil yaitu logika fuzzy menghasilkan respon delay Time (td) 1.058s, rise Time (tr) 2.576s, peak Time (tp) 20s, settling Time (ts) 5.354s, maximum overshoot (Mp) 0%, error steady state (ess) 0%. Jaringan saraf tiruan menghasilkan respon delay Time (td) 1.031s, rise Time (tr) 1.518s, peak Time (tp) 3.128s, settling Time (ts) 2.3286s, maximum overshoot (Mp) 1.345%, error steady state (ess) 0.045%. Berdasarkan nilai respon transient logika fuzzy memiliki respon lebih lambat dibandingkan jaringan saraf tiruan, akan tetapi logika fuzzy dapat meminimalisir overshoot.