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Hospital Nurse Scheduling Optimization Using Simulated Annealing and Probabilistic Cooling Scheme Ferdi Chahyadi; Azhari SN; Hendra Kurniawan
IJCCS (Indonesian Journal of Computing and Cybernetics Systems) Vol 12, No 1 (2018): January
Publisher : IndoCEISS in colaboration with Universitas Gadjah Mada, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijccs.23056

Nurse’s scheduling in hospitals becomes a complex problem, and it takes time in its making process. There are a lot of limitation and rules that have to be considered in the making process of nurse’s schedule making, so it can fulfill the need of nurse’s preference that can increase the quality of the service. The existence variety of different factors that are causing the nurse scheduling problem is so vast and different in every case. The study is aimed to develop a system used as an equipment to arrange nurse’s schedule. The working schedule obtained will be checked based on the constraints that have been required. Value check of the constraint falsification used Simulated Annealing (SA) combined with cooling method of Probabilistic Cooling Scheme (PCS). Transitional rules used cost matrix that is employed to produce a new and more efficient state. The obtained results showed that PCS cooling methods combined with the transition rules of the cost matrix generating objective function value of new solutions better and faster in processing time than the cooling method exponential and logarithmic. Work schedule generated by the application also has a better quality than the schedules created manually by the head of the room.

Peningkatan High Order Thinking Skill Siswa Melalui Pendampingan Computational Thinking Ferdi Chahyadi; Martaleli Bettiza; Nola Ritha; Muhamad Radzi Rathomi; Nurul Hayaty
Jurnal Anugerah Vol 3 No 1 (2021): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Persaingan global yang dihadapi saat ini, menuntut adanya perubahan di dalam pembelajaran agar kecakapan dan keterampilan anak didik semakin berkembang. Kemampuan literasi matematika menjadi salah satu yang harus dimiliki para siswa dalam menghadapi tantangan global tersebut. Kegiatan pelatihan dan pendampingan Computational Thinking dengan menerapkan High Order Thinking Skill (HOTS) yang dilakukan diharapkan dapat menambah wawasan siswa terhadap pemahaman dalam melakukan problem solving. Serta, menumbuhkan kreativitas siswa, budaya informasi, algoritma dan berpikir komputasional dalam menyelesaikan suatu permasalahan dalam bentuk tantangan yang dikenal dengan nama Bebras Challenge. Dalam tahapan pelaksanaannya dilakukan tahapan-tahapan yakni pre-test, pelatihan & pendampingan, serta post-test. Pre-test terhadap 15 siswa menunjukkan rerata siswa dalam menjawab soal secara benar adalah sebanyak 60%. Pelatihan-dan pendampingan dilakukan melalui aplikasi daring. Pertemuan dilaksanakan sebanyak 5 kali pertemuan. Sedangkan hasil dari post-test mengalami peningkatan yakni menjadi 78%. Hal ini menunjukkan tingkat keberhasilan siswa dalam memecahkan persoalan mengalami peningkatan yang baik.

Optimalisasi Peran Kader Posyantek dalam Pemanfaatan Sumber Daya Alam Lokal Di Desa Teluk Bakau Kecamatan Gunung Kijang Kabupaten Bintan Kepri Eka Suswaini; Alena Uperiati; Dwi Amalia Purnamasari; Ferdi Chahyadi; Nurfalinda Nurfalinda; Anton Hekso
Jurnal ABDINUS : Jurnal Pengabdian Nusantara Vol 3 No 2 (2020): Volume 3 Nomor 2 Tahun 2020
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/ja.v3i2.13926

The Bintan Regency Government through the Village Community Empowerment Service (PMD) established Posyantek (Pos Technology Services) in 2018. Posyantek is a Technology Service that is spread out from the smallest villages, sub-districts and districts. Based on the Minister of Home Affairs regulation No. 20 of 2010 concerning Community Empowerment through Appropriate Technology Management and also Minister of Home Affairs Instruction No. 24 of 1998 concerning Posyantekdes operations. The purpose of establishing a posyantek is how to improve the welfare of the community. Posyantek has various main types which include providing technical services, information, and promotion of various types of TTG to the community, increasing the quality and quantity of various types of products produced by the community, both small and medium enterprises (SMEs), posyantek is also expected to be a bridge for the community to use TTG in the context of utilizing TTG (Appropriate Technology). The purpose of community service is carried out as an effort to support the important role of the presence of technology in community life as one of the factors driving change and also accelerating development both in the economic, and social and cultural fields. In the process of implementing Posyantek Posyantek operations in the Regency of Bintan is developing a process of designing activities programs, in line with this the need for synergy of interference and support from related parties including educational institutions in the Maritime University of Raja Ali Haji. Assistance and training are given to posyantek cadres in carrying out work programs in accordance with the output expected by the government and the community.

Peningkatan High Order Thinking Skill Siswa Melalui Pendampingan Computational Thinking Ferdi Chahyadi; Martaleli Bettiza; Nola Ritha; Muhamad Radzi Rathomi; Nurul Hayaty
Jurnal Anugerah Vol 3 No 1 (2021): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Maritim Raja Ali Haji

Persaingan global yang dihadapi saat ini, menuntut adanya perubahan di dalam pembelajaran agar kecakapan dan keterampilan anak didik semakin berkembang. Kemampuan literasi matematika menjadi salah satu yang harus dimiliki para siswa dalam menghadapi tantangan global tersebut. Kegiatan pelatihan dan pendampingan Computational Thinking dengan menerapkan High Order Thinking Skill (HOTS) yang dilakukan diharapkan dapat menambah wawasan siswa terhadap pemahaman dalam melakukan problem solving. Serta, menumbuhkan kreativitas siswa, budaya informasi, algoritma dan berpikir komputasional dalam menyelesaikan suatu permasalahan dalam bentuk tantangan yang dikenal dengan nama Bebras Challenge. Dalam tahapan pelaksanaannya dilakukan tahapan-tahapan yakni pre-test, pelatihan & pendampingan, serta post-test. Pre-test terhadap 15 siswa menunjukkan rerata siswa dalam menjawab soal secara benar adalah sebanyak 60%. Pelatihan-dan pendampingan dilakukan melalui aplikasi daring. Pertemuan dilaksanakan sebanyak 5 kali pertemuan. Sedangkan hasil dari post-test mengalami peningkatan yakni menjadi 78%. Hal ini menunjukkan tingkat keberhasilan siswa dalam memecahkan persoalan mengalami peningkatan yang baik.

Mewujudkan Ekonomi Digital yang Inklusif: Pelatihan Keterampilan Digital untuk Mendorong Kemandirian Ekonomi Kelompok Penyandang Disabilitas di Kabupaten Bintan: Realizing an Inclusive Digital Economy: Digital Skills Training to Encourage the Economic Independence of People with Disabilities in Bintan Regency Pratiwi, Risdy Absari Indah; Nuraini, Lia; Chahyadi, Ferdi
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 6 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i6.8568

People with disabilities often face barriers to accessing economic opportunities and formal employment due to physical limitations and a lack of digital skills. This community service activity aims to empower groups of people with disabilities in Bintan Regency through digital skills training, such as graphic design, digital marketing, and social media management. This activity involved 10 participants from the Indonesian Association of Persons with Disabilities (PPDI) DPC Bintan, held on 26-28 August 2024. This training is expected to improve the participants' ability to utilize digital technology to create business opportunities and increase their economic independence. Based on the evaluation, participants demonstrated significant skill improvement and readiness to apply their new skills in independent business.

ANALISIS PENERAPAN METODE PENETRATION TESTING PADA KEAMANAN JARINGAN WLAN (Studi Kasus: Universitas Maritim Raja Ali Haji) Chahyadi, Ferdi; Sitompul, Afrio Triputra; Nurfalinda
Sustainable Vol 12 No 1 (2023): Jurnal Sustainable : Jurnal Hasil Penelitian dan Industri Terapan
Publisher : Fakultas Teknik Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/sustainable.v12i1.4803

This test is carried out to find security holes in the Wireless Local Area Network (WLAN) network. In this paper, author simulates attacks on a WLAN network using four attack parameters: Bypassing MAC Authentication, Attacking The Infrastructure and Man In The Middle Attacks. There were four attacks carried out, and two of them were successful. Thus, it can be concluded that the Raja Ali Haji Maritime University (UMRAH) WLAN network is quite secure. Nonetheless, other offensive actions, such as infrastructure attacks or Man In the Middle Attacks, In order to ensure more security, it is necessary to add a DNS Security Extensions protocol to prevent fake DNS redirects, add a firewall to the security system and use TLS on captive portals.

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