Article Per Year (5 Year)
p-Index From 2019 - 2024
1.897
P-Index
This Author published in this journals
All Journal Informatika Journal of Computer Science and Information Systems (JCoInS) Journal of Student Development Information System (JoSDIS)
Ritonga, Irmayanti
Unknown Affiliation
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Library & Information Science Other

Published : 14 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 14 Documents
Search

 1   2 
Optimasi Keuntungan Bisnis Cilok Menggunakan Program Linear Metode Simpleks Siregar, Salsa Dea Oktavianda; Harahap, Rini Rizkyana; Ritonga, Irmayanti
Journal of Computer Science and Information System(JCoInS) Vol 5, No 1: JCOINS | 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jcoins.v5i1.5428

Abstract

The aim of this research is to find out whether the product produced can provide maximum profits from the sale of cilok and to find out what variables hinder optimum value in the cilok business so mathematical modeling can be created using a simplex method linear program. Cilok is a business that operates in the culinary sector, namely food made from various ingredients, with the main ingredients being tapioca flour and wheat flour. Cilok is round in shape like meatballs, only the basic ingredients are different. Cilok has various filling variants, one of which contains chicken meat and some that don't use any filling. As for the complementary ingredients, namely peanut sauce, soy sauce and sauce, it is a problem that if one of these ingredients is not fulfilled then production in the cilok business will be hampered. From the research results, it is known that the optimal input combination provides a profit of IDR 320,000.00/day.
Analisis Sistem Antrian Pada Umkm Kedai Beansnomo Coffe Dalam Upaya Peningkatan Efesiensi Pelayanan Marianti, Nike; Erviyanti, Anggi; Pratiwi, Cindi; Dasopang, Khoirunisa; Ritonga, Irmayanti
Journal of Computer Science and Information System(JCoInS) Vol 5, No 1: JCOINS | 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jcoins.v5i1.5431

Abstract

The aim of the research is to analyze the Queuing System at the UMKM  BEANSNOMO COFFE Shop in an effort to increase service efficiency. This research method conducted direct interviews with the owner and used non-probability sample determination. The research results obtained were that the Beansnomo Coffee Shop uses an unlimited population arrival system, with queuing discipline referring to the First-In, First-Out discipline rules. (FIFO) is the most common queue where customers who arrive first (arrive) are served first (leave). With professional treatment, service efficiency can be increased. Based on the results of the respondent table, it can be seen that men are more interested in coffee lovers than women, both young and old. This research can still be developed, so it is recommended for future researchers to use other methods for comparison.
Analisis Sistem Antrian Pada Proses Pelayanan Konsumen di Warung Lesehan Harahap, Fadilla Arba; Rahma, Aulia; Rubaini, Mingle Oktaria; Ritonga, Irmayanti
Journal of Computer Science and Information System(JCoInS) Vol 5, No 1: JCOINS | 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jcoins.v5i1.5434

Abstract

The purpose of analyzing the queuing system in the process of customer service in warung lesehan is to evaluate the performance of the service queuing system in Warung Lesehan so as to obtain a decrease in the number of consumer queues. The method of research approach used is descriptive qualitative with data collection techniques through: observation, interviews and documentation with data analysis using Multi ChannelSingle Phase (M/M/1). It can be seen that warung lesehan uses queue model (M/M / 1). The queue structure used is a Single ChannelSingle Phase with only one server and one stage of Service.Usability level of warung lesehan service section = 0.83, the average number in the queue = 4.17/minute, the average number in the system = 5 minutes, the average waiting time in the queue = 0.08/minute, the average waiting time in the system = 0.1 / minute.. It is expected that warung lesehan can further optimize the service performance of each customer, so that customer waiting times are not too long,which makes sales decrease and affect customer arrivals, so queues can still be controlled and there is no buildup of long queues.
Memaksimalisasi Keuntungan Pada Warung “Mie Ayam Mas Tri” Dengan Menggunakan Metode Simpleks Anistasah, Cindy; Kurnia, Ega; Sukani, Sri Rejeki; Ananta, Yuli Dhea; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5430

Abstract

The aim of this research is to find out whether the combination of inputs used to produce a product in the form of chicken noodles is an optimal combination and whether the resulting product can provide maximum profits. To find out the maximum combination of input and profit, the simplex method can be used. From the research results it is known that the optimal combination of inputs can provide profits of IDR. 1,652,000.00-.
Queuing System Analisis And Optimazation Of Billiard Profits In Lobusona Village Domo, Alfun Khoir; Tanjung, Eka Agustin; Ramadhani, Ramadhani; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5472

Abstract

A queue is a waiting line of players (one or more) which requires a waiting time of 30 minutes or more. Because in reality, queues are caused by waiting times that are longer than playing times. The aim of this research is to analyze the application of the M/M/S model to the Billiards queuing system in Lobusona village. The first step taken was to collect billiard queue arrival data. The results of calculations using the M/M/S model at Billiards in Lobusona village apply player queue discipline, namely first come first serve (FCFS). The player arrival pattern has a Poisson distribution and the service pattern has an exponential distribution. From the calculation results, the average number of players waiting to enter the extension system in the time period 12:00-17:00 WIT is 30,123 people or = 30 people. Meanwhile, the average number of customers waiting in the shortest system occurred in the time period 08.00 – 10.00, namely 4,838 people or 5 people. The average number of customers in the queue occurred in the time period 12.00 – 13.00, namely 5,768 people or 7 people. It can be concluded that the performance of the Lobusona Village Billiards queuing system is optimal.
Memaksimalisasi Keuntungan Pada Outlet Nutime di Rantauprapat Dengan Menggunakan Metode Simpleks Nst, Mayang Alvi Perdana; Mariyuandra, Alfanny; Pramudita, Dewi; Sinta, Evi Yulia; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5433

Abstract

The aim of the research is to maximize the Nutime Outlet in Rantauprapat using the simplex method. Meanwhile, this research method is a quantitative research method, with a sample of Nutame Rantauprapat outlets. The sampling technique is a purposive sampling technique, the research instrument uses primary data types and sources. Primary data is collected directly through sources by conducting interviews, observations, submitting questionnaires, and so on. Data management and analysis uses the simplex method in PL manually. Based on the results of the analysis using the PL model using the simplex method, the maximum profit that can be obtained by Nutime Outlet traders is IDR 1,000,000.00- per Nutime drink production every dayNutime is one of Indonesia’s favorite drinks which is made from various flavours that have been determined before making the Nutime drink. Nutime was created by someone who aims to quench thirts when the weather is very hot. By creating a drink like Nutime, it makes it easier for residents or the public to get refreshing drinks. Nutime drinks are also made with various flovors available, such as the flavors that are popular among today’s young pople, namely read velvet, Chocolate, Moca, Taro and Mango. This Nutime drink is also served chilled to make it taste fresher. Therefore, we here are very interesed in conducting reasearch on drinks like Nutime to find out what ingredients are used to make the Nutime drink. This we conducted research using the simplex method.
Analisis Keuntungan Produk Penjualan Sate Padang Menggunakan Metode Simplex Ananda, Muhammad Rizki; Wijaya, Alief Achmad; Ritonga, Akbar Pramuja; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5435

Abstract

This study aims to analyze the products and queues at the sale of satay padang using Simplex Method with QM for Windows application.Sate padang sellers, as food sellers, face challenges in planning and managing satay portion inventory to achieve maximum product.This study applies the Simplex Method, a mathematical programming technique, to identify the optimal combination of product inventory that can improve product and customer queues.The research steps include analysis of historical sales data, identification of decision variables, as well as the formulation of mathematical models based on optimal goals.The QM for Windows application is used as a tool to run probability and random variable distribution methods and analyze the results. The study also evaluated the impact of optimization on products, queues, inventory efficiency, and customer satisfaction.The results of this study are expected to provide practical guidance to owners of sate padang or similar businesses in managing product inventory and planning sales.In addition, this study can be a contribution to the development of optimization methods that can be applied in the context of small and medium businesses, especially in the culinary sector.
Optimalisasi Keuntungan Penjualan Beras di Toko Berkah Panjaitan, Hadid Akhyarsyah; Harahap, Muhammad Irham; Christoval, Peter; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5460

Abstract

This research aims to optimize the profit of rice sales at Toko Berkah using the Simplex Method with the QM for Windows application. Toko Berkah, as a rice store, faces challenges in planning and managing rice product inventory to achieve maximum profit. This study applies the Simplex Method, a mathematical programming technique, to identify the optimal combination of rice inventory that can enhance sales profit. The research steps include historical sales data analysis, identification of decision variables, and formulation of a mathematical model based on optimal objectives. The QM for Windows application is used as a tool to execute the Simplex Method and analyze its results. The study also evaluates the impact of optimization on profit, inventory efficiency, and customer satisfaction. The findings of this research are expected to provide practical guidance to rice store owners or similar business entities in managing inventory and planning sales. Furthermore, this study may contribute to the development of optimization methods applicable to small and medium-sized businesses, particularly in the rice sector.
Optimasi Keuntungan Dari Penjualan Brownies Amanda Dengan Menggunakan Program Linear Metode Simpleks Hasibuan, Cahaya Nabila; Siti, Siti; Simanjuntak, Hoirun Nisyah; Silaen, Siti Humairoh; Ritonga, Irmayanti
Journal of Student Development Information System (JoSDIS) Vol 4, No 1: JoSDIS | Januari 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/josdis.v4i1.5429

Abstract

The purpose of research on amanda brownies is to calculate the maximum profit from the sale of amanda brownies.as well as for the use of Simplex methods on the constraints experienced by amanda brownies sales business. this study uses one method in linear programming is the Simplex Method.the simplex method was developed by George Dantzing in 1947 (Budianto,Mujiharjo and Umrah 2017). The results of this study obtained the maximum profit (optimal) by using the Simplex Method obtained from the sale of amanda brownies got a maximum profit of Rp.839,717, - production every day.and linear programs, especially simplex methods, can be used and utilized to maximize profits.
Rancang Bangun Sistem Antrian Online Menggunakan Metode Single Channel-Multi Phase Studi Pada Dinas Sosial Kabupaten Labuhanbatu Sirait, Roby Gusmawan; Harahap, Syaiful Zuhri; Ritonga, Irmayanti
Jurnal Informatika Vol 12, No 1 (2024): INFORMATIKA
Publisher : Fakultas Sains & Teknologi, Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/informatika.v12i1.5473

Abstract

Labuhanbatu District Social Office is an institution implementing social affairs of government under and responsible to the head of the region (Regent).  In this case the Labuhanbatu District Social Service Office applies many arrangements in between what happens. The way that is done is very manual, namely by setting the queue NumberOne by one. With a very small limit on the number of passengers, this causes queues to accumulate, coupled with situations that affect his daily life. In the process of service that is done, there is a way of service that must be done because a lot of attention should be paid to the way the service is done now is not very effective. So it is necessary to create a simulation of community service system that can identify community services in the Office of Social Services Labuhanbatu District. During the service takes place the time needed between one another in getting the service to be efficient first came to be served in the service. The reason for the research using this topic is that research on the topic is still not done in the Labuhanbatu District Social Service with Inter-system using Single Channel-Multi Phase method.  So that the Social Service of Labuhanbatu Regency can serve the community to the maximum and the community feels comfortable and fair.
Co-Authors Ananda, Muhammad Rizki Ananta, Yuli Dhea Anistasah, Cindy Christoval, Peter Dasopang, Khoirunisa Domo, Alfun Khoir Erviyanti, Anggi Harahap, Fadilla Arba Harahap, Muhammad Irham Harahap, Rini Rizkyana Hasibuan, Ardiansyah Hasibuan, Cahaya Nabila Hermika, Eva Kurnia, Ega Laila Sari Lubis, Nadira Jannah Adeni Marianti, Nike Mariyuandra, Alfanny Nasution, Marnis Nst, Mayang Alvi Perdana Panjaitan, Hadid Akhyarsyah Pramudita, Dewi Pratiwi, Cindi Rahma, Aulia Ramadhani Ramadhani Ritonga, Akbar Pramuja Rubaini, Mingle Oktaria Silaen, Siti Humairoh Simanjuntak, Hoirun Nisyah Sinta, Evi Yulia Sirait, Roby Gusmawan Siregar, Salsa Dea Oktavianda Siti, Siti Sukani, Sri Rejeki Syaiful Zuhri Harahap Tanjung, Eka Agustin Wijaya, Alief Achmad