optimal service
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2022 ◽  
Vol 3 (1) ◽  
pp. 70-80
Author(s):  
Angga Putra Pertama ◽  
Sulisti Afriani ◽  
Ida Ayu Made Er Meytha Gayatri

The purpose of this study is to determine the average level of customer arrivals and the average service time of customers in the queue. The analytical model used in this study is a multi-channel single-phase queuing theory analysis with a mathematical formula. The queuing process is a process related to the arrival of the customer to a queuing system, then waiting in the queue until the waiter selects the customer according to the service discipline, and finally the customer leaves the queuing system after the service is finished. At Bank Syariah Indonesia (BSI) KC Bengkulu S. Parman 1 there are 5 tellers provided to serve customers who will make deposits, withdrawals and cash transfers. Queues that occur at the optimal service level can be obtained by the performance of the queuing system with the calculation results, namely, the average number of customers in the queue (nq) 31.88 customers, customers in the total system 33.08 people, the average time in the queue 0, 000767 and the total system time is 0.034097 or 2 minutes. Thus, customers do not take too long to make transactions. With the number of tellers as many as five people, there is a long waiting time for customers (Wq) in the queue, which is 0.02777 hours or 2 minutes and the average number of customers in the queue (Ls) is 2 people..


2021 ◽  
Vol 6 (3) ◽  
pp. 297-307
Author(s):  
Najla Alia Farah ◽  
Admaja Dwi Herlambang ◽  
Aditya Rachmadi

The Balikpapan Population and Civil Registration Office has implemented service automation by using an information system to support the population and civil registration administration services in Balikpapan, Indonesia. The information system implemented is called The Population Administration Information System (SIAK). The office has previously implemented an information system similar to SIAK, namely the Population Administration Organizing System (SPAK). One of the office aims is to improve the quality of SIAK. SIAK quality is improved in order to achieve optimal service. As a step of achieving vision and mission, implementing work functions and optimizing the utilization of information systems, the comparison of information system performance between information systems that have been used with information systems that have previously been used. The guidelines used in assessing the performance of both systems are Information System Functional Scorecard (ISFS) theory. The data collected by questionnaires then conducted Paired-T Test so that the results of the two systems were obtained differences and can be compared to know which system is superior. SIAK is an information system that is declared superior to SPAK. Furthermore, the comparison results become a reference in providing recommendations for SIAK performance improvement based on the performance comparison results with SPAK.


2021 ◽  
Author(s):  
Jian Yu ◽  
Zhixing Lin ◽  
Qiong Yu ◽  
Xiangmei Xiao

Abstract With the development of network service integration, in order to obtain a better quality of service (QoS) guarantee, In this Paper,We consider the characteristics of integrated network service composition and correlation, this paper proposes a approximate algorithm based on multi-constraint optimal path selection (MCOPS). We analyses the QoS correlation criteria, correlation ratios, and Skyline algorithms to calculate the optimal path by dynamic programming, record the path nodes, and obtain the optimal service composition path that meets the user's demand. Simulation results demonstrate the good performance of the proposed algorithm in both the average calculation time and the solution path quality.


2021 ◽  
Vol 2131 (4) ◽  
pp. 042087
Author(s):  
V V Grachev ◽  
M A Shrajber

Abstract In recent years, the production of locomotives in our country has increased significantly. At the same time, a lot of efforts are made to increase the power, reliability and efficiency of their work. One of the key components of any locomotive is electric traction machines, which are usually designed to the limit in order to obtain maximum torque and power density in the limited space of the rolling stock. Previously, this problem was solved by increasing the electromagnetic properties of materials, thermal conductivity of insulating materials. However, this path has exhausted the possibilities for increasing the efficiency of traction electric machines. As the design of traction electric machines improves, their level of functionality, reliability and durability increases, electric traction systems become more relevant and important for reducing the cost of materials, maintenance and ensuring traffic safety. The insulation state of the windings of traction electric machines mainly determines their reliability and performance, affects the service life and the cost of maintenance. Therefore, when designing a traction electric machine, it is important to take into account all operational factors that determine the optimal service life of a locomotive. The article discusses the effect of thermomechanical stresses in the insulation of traction electric machines on their reliability and durability.


2021 ◽  
pp. 1035719X2110408
Author(s):  
Jenny L Olson ◽  
Enrique Mergelsberg ◽  
Jessica Jensen ◽  
Deborah Schofield ◽  
Natasha Watson

People with diabetes face increased risk of serious COVID-19 complications, making self-care for optimal metabolic management crucial. However, the pandemic has reduced access to routine care among people with diabetes. The pandemic can also elicit distress, which can impact diabetes self-management and health. To understand the impact of COVID-19 on Western Australians with diabetes, we conducted an evaluation involving an online survey of consumers of diabetes health services and an analysis of routine program data (i.e. service utilisation/program attendance). Survey respondents were concerned about contracting COVID-19, many intended to change the way they utilised health services and many indicated they would continue to socially isolate. Utilisation of digital/telephone services peaked between April and June 2020. Despite the concerns indicated, a participation resurgence was observed upon resumption of face-to-face programs. Continued access to diabetes programs via multiple modes of delivery is critical to support optimal self-care and mitigate COVID-19 risks, distress and social isolation. This timely and pragmatic assessment of consumer beliefs synthesised with routinely collected evaluation data represents an agile approach to evaluation through an emerging public health crisis. The findings helped to ensure optimal service delivery to meet the needs of this priority population throughout the pandemic.


Author(s):  
Priyank Arora ◽  
Morvarid Rahmani ◽  
Karthik Ramachandran

Problem definition: Many nonprofit organizations (NPOs) serve distressed individuals who seek relief from hardships such as domestic abuse or homelessness. These NPOs aim to maximize social impact by allocating their limited amount of resources to various activities. Academic/practical relevance: NPOs that serve distressed individuals face a complex task because their clients are often unable to articulate their specific needs. As a result, NPOs are driven to not only offer a variety of services to fulfill different needs, but also engage in advisory activities to minimize mismatches between services clients receive and their true needs. Methodology: We develop a model to study an NPO’s service portfolio and effort allocation decisions under resource constraint. Clients’ progress from distress to resolution is stochastic and depends on the NPO’s efforts in different stages of the service offering. Results: We show that it is optimal for resource-constrained NPOs to offer fewer services and invest more in advisory activities when different types of clients are not evenly mixed in the population, when delays in achieving resolution can significantly blunt the social impact created, when the loss of impact due to not serving a fraction of clients is low, or when there is a limited amount of earmarked funds. Otherwise, it is optimal for NPOs to diversify their service offerings and invest less in advisory activities. Managerial implications: Many NPOs are drawn to maximize the number of clients they serve by increasing the number of services they offer. However, we show that, depending on the characteristics of clients and services, NPOs might be able to generate higher social impact by prioritizing the speed of resolution rather than focusing on the number of clients who achieve resolution. We also present a practical application of our model in the context of domestic abuse.


Author(s):  
Rosselin Rosselin ◽  
Tri Yani Akhirina ◽  
Nurfidah Dwitiyanti

Bengkel Kebumen Motor is a business that is engaged in the sale of spare parts and motorcycle service services. Bengkel Kebumen Motor provides a variety of maintenance, repair and sales of spare parts as well as providing optimal service for customers. The purpose of this study is to design a spare parts and service sales system that can simplify the spare part sales process and manage service data to be faster, more effective, and efficient. The research method used in designing the spare parts and service sales system at the Bengkel Kebumen Motor is Research and Development (R&D) and the system development uses the waterfall method. Meanwhile, the data collection techniques used include interviews, observations, and conducting library research that is relevant to the spare parts and service sales system. The result of this research is the design of a computerized system built using the Java Netbeans programming language using the MySQL database. By using a computerized system, it makes it easier for workshop employees to record transactions, make it easier for the workshop to find out the amount of spare parts stock, the reporting process can be done quickly and accurately


2021 ◽  
Vol 22 (2) ◽  
pp. 85
Author(s):  
Fitriani Utina ◽  
Lailany Yahya ◽  
Nurwan Nurwan

Nurse scheduling is one of the problems that often arise in hospital management systems. Head of ICU room and nurse to cooperate in making good nurse scheduling for the creation of optimal service. In this paper, we study a hospital nurse schedule design by considering the level of nurse education and the provision of holidays. Nurses with undergraduate education (S1) Nurses become leaders on every shift and are accompanied by nurses with diploma education (D3). The scheduling model in this study using the nonpreemptive goal programming method and LINGO 11.0 software. The preparation of the schedule of nurses assigned to this method can optimize the need for efficient nurses per shift based on education level. The data in the research was obtained by collecting administrative data at Aloei Saboe Gorontalo hospital. The data used are the published schedule by the head of the ICU room. In making a nurse schedule, there are limitations to consider such ashospital regulation. The results of the study obtained an optimal solution in the form of meeting all the desired obstacles. Computational results shows that nurse scheduling using the nonpreemptive goal programming method and LINGO 11.0 software better than the schedule created manually. Every shift is a maximum of one leader with an undergraduate education (S1) background and accompanied by a nurse with a diploma education (D3) background. Keywords: scheduling, goal programming, nonpreemptive goal programming.


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