A Spectral Optimization Algorithm for Multi-Objective Prototype Selection

1995 ◽  
Author(s):  
Andy Dong ◽  
Alice M. Agogino
Keyword(s):  
Optimization Algorithm ◽  
Parametric Design ◽  
Selection Process ◽  
Objective Evaluation ◽  
Design Synthesis ◽  
Multi Objective ◽  
Trade Offs ◽  
Spectral Optimization ◽  
The Right ◽  
Selection Of

Abstract In design synthesis, engineering prototypes make an ideal representation medium for preliminary designs. Unlike parametric design wherein a pre-specified design is parametrically varied, design synthesis demands artistic creativity and engineering experience to transform the previously known components, relationships and designs into a new form. The process compels the designer to ascertain which prototypes will, in some sense, best satisfy the design task. The challenge in this assignment lies in selecting the “right” design prototype. This selection process typically entails an objective evaluation of different designs that perform the same functions or have similar intended behavior and comparing trade-offs between alternate designs. This paper introduces a multi-objective spectral optimization algorithm for the selection of design prototypes based upon their functional representations. The optimization algorithm returns an index of rank, scoring the functional similarity of the proposed design to the goal design. Two illustrative examples apply the algorithm to the selection of a heat fin and beam.

Multi-objective optimization for safety and reliability trade-off: Optimization and results processing

2018 ◽  
Vol 232 (6) ◽  
pp. 661-676
Author(s):  
Cristina Johansson ◽  
Johan Ölvander ◽  
Micael Derelöv
Keyword(s):  
Decision Making ◽  
Solid Base ◽  
Multi Objective Optimization ◽  
Specific System ◽  
Multi Objective ◽  
Trade Offs ◽  
Design Alternatives ◽  
Safety And Reliability ◽  
Potential Issue ◽  
Selection Of

In early design phases, it is vital to be able to screen the design space for a set of promising design alternatives for further study. This article presents a method able to balance several objectives of different mathematical natures, with high impact on the design choices. The method (MOSART) handles multi-objective optimization for safety and reliability trade-offs. The article focuses on optimization problem approach and processing of results as a base for decision-making. The output of the optimization step is the selection of specific system elements obtaining the best balance between the targets. However, what is a good base for decision can easily transform into too much information and overloading of the decision-maker. To solve this potential issue, from a set of Pareto optimal solutions, a smaller sub-set of selected solutions are visualized and filtered out using preference levels of the objectives, yielding a solid base for decision-making and valuable information on potential solutions. Trends were observed regarding each system element and discussed while processing the results of the analysis, supporting the decision of one final best solution.

scholarly journals Cubesat Antenna Analysis and Design: Are you using the right computational electromagnetic tool?

2021 ◽  
Vol 10 (2) ◽  
pp. 1-18
Author(s):  
I. Latachi ◽  
T. Rachidi ◽  
M. Karim
Keyword(s):  
Selection Process ◽  
Critical Role ◽  
Antenna System ◽  
Antenna Design ◽  
Design Processes ◽  
Analysis And Design ◽  
Trade Offs ◽  
Development Costs ◽  
Communication Links ◽  
The Right

Antenna systems play a critical role in establishing wireless communication links and sustaining remote sensing requirements for Cubesat applications. In addition to the usual antenna design requirements, Cubesat-based spacecrafts impose additional stringent constraints related to the on-board available space, power consumption and development costs. To develop optimal antenna prototypes while considering all these constraints and decrease trial and error related costs, computational electromagnetics (CEM) simulation tools are used. The accuracy of simulation results depends to a great extent on the choice of the appropriate CEM tool for the particular antenna problem to be analyzed; ergo, identifying and answering key questions about design objectives and requirements is necessary for informed decision-making throughout the selection and design processes. However, this could be quite challenging because of existing gaps both in the practitioners’ knowledge about different CEM tools capabilities, limitations, and design know-how. This is especially true for non-specialists such as students and academics involved in student driven Cubesat projects. Therefore, the rationale of this manuscript is to bridge those gaps and clarify some common misconception commonly encountered during the selection and design processes. In that regard, first, an overview of existing antenna configurations commonly used in Cubesat communications is provided. Next, antenna design general workflow is presented. Then, capabilities and limitations of different CEM solving methods are presented. After that, CEM software selection process trade-offs and possible sources of errors are discussed from a practical viewpoint. Finally, a case study of Masat-1 antenna system design is presented as practical example.

scholarly journals Seleksi Penyerang Utama Menggunakan K-Means Clustering Dan Sistem Pendukung Keputusan Metode Topsis

2017 ◽  
Vol 2 (1) ◽  
pp. 37-48
Author(s):  
Renenata Ardilesmana Siregar
Keyword(s):  
Data Mining ◽  
Decision Support ◽  
Decision Support Systems ◽  
Support Systems ◽  
Selection Process ◽  
Ideal Solution ◽  
Major Player ◽  
The Right ◽  
Selection Of ◽  
The Ideal

Untuk  menentukan penyerang ideal dalam sepak bola agar sesuai karakter dan kriteria yang diharapkan,  diperlukan  pelatih  yang  mempunyai naluri  tajam  dan  juga  sistem  yang  bisa membantu pelatih dalam memberikan pilihan. Biasanya dalam proses penentuan pemain masih dilakukan  secara  manual dengan melihat dari karakter dan kriteria dari pemain tersebut. Tetapi terkadang hanya dengan melihat dari karakter dan kriteria dari pemain tersebut saja masih kurang cukup sehingga jauh dari apa yang diharapkan. Untuk  mempermudah dalam pemilihan penyerang ideal, maka diperlukan suatu sistem yang dapat membantu pelatih untuk  memilih penyerang yang dibutuhkan sesuai dengan kebutuhan tim yaitu dengan menggunakan teknik K-Means Clustering dalam metode data mining sebagai proses dalam menyeleksi pemain untuk bergabung  dalam  suatu  tim  dan  juga  didukung  dengan  metode  Sistem  Pendukung Keputusan (Decision Support Systems) The Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) sebagai proses dalam menentukan penyerang yang akan bermain sebagai pemain utama dalam tim yang menggunakan beberapa kriteria untuk  memilih pemain yang tepat. Dengan hasil penelitian ini, diharapkan dapat membantu pelatih dalam proses seleksi pemain dan dapat mengubah cara penilaian terhadap sifat subjektif agar lebih obyektif dalam pengambilan keputusan. Kata Kunci :Data Mining, K-Means Clustering, Sistem Pendukung Keputusan To  determine  the  ideal  attacker  in football to match the expected character and criteria, a  coach who has a sharp instinct and a system that can assist the coach in providing choices. Usually  in  the  process  of  determining  the  player  is  still  done  manually  by  look ing  at  the characters  and  criteria  of  the  player.  But  sometimes just by look ing at the characters and criteria of the player is still not enough so far from what is expected. To facilitate the selection of ideal attackers, a system that can help the trainer to select the attacker needed according to the needs of the team is by using K-Means Clustering technique in the method of data mining as a process in selecting players to join a team and also supported by Decision Support Systems method The Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) is the process of determining which attack er will play as a major player in the team using multiple criteria to select the right player. With the results of this study, it is expected to assist trainers in the selection process of players and can change the way the assessment of the subjective nature to be more objective in decision making. Keywords: Data Mining, K-Means Clustering, Decision Support System.  

scholarly journals SELEKSI KARYAWAN PADA POSISI ASSISTANT SUPERINTENDENT

2018 ◽  
Vol 1 (2) ◽  
pp. 72
Author(s):  
Rislisa Rislisa ◽  
Mukhaira El Akmal
Keyword(s):  
Human Resources ◽  
Community Service ◽  
Selection Process ◽  
Group Discussion ◽  
Test Method ◽  
New Employees ◽  
Whole Process ◽  
Assistant Superintendent ◽  
The Right ◽  
Selection Of

All organization or company needs human resources in carrying out every function of activity. The need of human resources is very important because in gaining superior human resources cannot be obtained easily; it takes a way to get the right labor to fill a certain position by selection. It is hoped that by doing this process, we will get reliable human resources, which are needed to meet the needs of the organization in the present and future. Selection activities are conducted in the framework of community service activities. The target of community service is to accompany the company so that prospective new employees who follow the selection process at the psychological test stage can complete all the test stages. The selection of superintendent assistant positions is done by the Psychology Test Method (to reveal aspects of intelligence, work attitude, and personality), Leaderless Group Discussion (LGD), and Psychological Interview. This test was followed by 203 participants. As a result of the whole process, 136 participants were graduated. Key words:selection, employees, assistant superintendent.

A model of the tension and transmission efficiency of a bush roller chain

2001 ◽  
Vol 216 (4) ◽  
pp. 385-394 ◽  
Author(s):  
C J Lodge ◽  
S C Burgess
Keyword(s):  
Sliding Friction ◽  
Transmission Efficiency ◽  
Chain Drive ◽  
Roller Chain ◽  
Trade Offs ◽  
Chain Link ◽  
Low Torque ◽  
A Chain ◽  
The Right ◽  
Selection Of

This paper describes an improved chain link tension model for a simple two-sprocket roller chain drive. The model includes modified versions of previous models of the tension in the chain links, together with a new model for low-slack span tensions. The model allows the tension of a link to be calculated at any point in the chain drive more quickly and for a wider range of tight and slack span tensions than before. A new chain efficiency model is formulated, based on the losses due to sliding friction. Coupled with the chain link tension model, this can be used to predict the transmission efficiency of a chain. Experimental work undertaken on 0.5 in pitch industrial roller chains and bicycle chains has demonstrated that the chain efficiency model is accurate for moderate and high torque transmissions. At low torque, losses due to impact, adhesion and/or vibration become more significant and impair the accuracy of the model, particularly for heavier, industrial roller chains. The chain efficiency model enables certain design trade-offs to be carried out, such as the selection of the size of the overall system to achieve the right balance of transmission efficiency and weight.

Improving the selection of international distribution partners by using quality management methods

2017 ◽  
Vol 9 (3/4) ◽  
pp. 241-250
Author(s):  
Sandra Klute-Wenig ◽  
Svenja Rebsch ◽  
Hartmut Holzmüller ◽  
Robert Refflinghaus
Keyword(s):  
Quality Management ◽  
Literature Review ◽  
Quality Function Deployment ◽  
Market Entry ◽  
Success Factors ◽  
Selection Process ◽  
Foreign Markets ◽  
Content Type ◽  
The Right ◽  
Selection Of

Purpose The importance of international markets has increased in the past years and will further increase in the future. This offers potential for being competitive, but especially for small- and medium-sized enterprises (SMEs) is going along with a variety of risks, e.g. the competition in the domestic market intensifies. Nevertheless, in most cases, SMEs with foreign operations are more successful than SME operating solely in the domestic markets. Nevertheless, the internationalization activities of SME are often unsystematic and emotional, especially when looking for distribution partners. The research project “Empirical based development of an instrument for identifying and making decisions about the choice of market entry and the selection of distribution partners of SME of the tool and cutlery industry when developing foreign markets” deals with this topic. In this paper the results of a literature review and an expert discussion regarding market development and especially the process of finding distribution partners for foreign markets are presented. Also, further steps in the project dealing with aspects of realizing the detected success factors by using quality management methods are explained. Design/methodology/approach The first step comprises a literature review and an expert discussion with leading managers of SME, with the aim to receive information about market entry decisions and selection of distribution partners. Therefore, a literature review and an expert discussion with leading managers of SME are carried out. The discussions are evaluated with MAXQDA©, a software for qualitative data analysis. Next, a questionnaire is designed for a quantitative analysis of the topic and will be evaluated by using SMART-PLS. Then, the results will be used as input variable for a quality function deployment for identifying appropriate measures for implementing the prior identified success factors. Thereby, also quality management methods and techniques will be used for finding the “right” measures. In this context, also a method for selecting distribution partners will be developed which is based on the logic of supplier evaluation. Finally, an Excel-based tool will be developed which includes the results of the project and allows companies easily applying them. Findings A literature review and an expert discussion within the tool and cutlery industry have been carried out and analysed. Thereby, the need for action regarding the selection of distribution partners has been revealed as essential step for success in foreign markets. Literature mostly deals with aspects like choosing appropriate countries for market entry and market entry strategy but not with distribution partners. Expert discussion also has shown that choosing distribution partners is often managed with gut feel. It lacks a criteria-based approach for optimizing this step during the internalization process. Originality/value Finding adequate distribution partners for a successful entry into foreign markets has not been investigated thoroughly yet. The project offers insights into determining factors for the selection process and improves the distribution partner selection by using quality management methods, for instance, by adapting the fundamental procedure of supplier assessment for distribution partner assessment.

scholarly journals Penerapan Metode VIKOR Pada Pengambilan Keputusan Seleksi Calon Penerima Beasiswa di SMK TPI Al-Hassanah Pematang Bandar

2020 ◽  
Vol 2 (1) ◽  
pp. 25-32
Author(s):  
Desi Ayu Ningsih ◽  
Dedy Hartama ◽  
Rafiqa Dewi
Keyword(s):  
Decision Support ◽  
Support System ◽  
Basic Concept ◽  
Selection Process ◽  
Compromise Solution ◽  
Vikor Method ◽  
Multicriteria Problems ◽  
Scholarship Recipients ◽  
The Right ◽  
Selection Of

The purpose of this research is to build a decision support system that can be used by schools in the selection of scholarship recipients, which requires completion, as decision support with multicriteria is the VIKOR method. The basic concept of the VIKOR method is to determine the ranking of the existing samples. This study aims to apply the VIKOR method to the selection of scholarship recipients that can be used to assist the student section in determining the recommendation for scholarship acceptance at SMK TPI AL-HASANNAH Pematang Bandar by considering various predetermined criteria. The criteria used in this study are value, parent's income, parent's dependents, number of siblings. The results show that the VIKOR method can be used to assist the selection process and determine the right scholarship recipient. In the VIKOR method, each weight given shows the same results, so that it can be used as a compromise solution in dealing with multicriteria problems.

scholarly journals Model Pengambilan Keputusan Pemilihan Bibit Unggul Sapi Bali Menggunakan Metode Weighted Product

2021 ◽  
Vol 8 (5) ◽  
pp. 879
Author(s):  
Dyna Marisa Khairina ◽  
Indra Cahya Pramukti ◽  
Heliza Rahmania Hatta ◽  
Septya Maharani
Keyword(s):  
Decision Making ◽  
Decision Maker ◽  
Efficient Method ◽  
Germ Plasm ◽  
Selection Process ◽  
Product Method ◽  
Bali Cattle ◽  
The Right ◽  
Decision Making Model ◽  
Selection Of

<p class="Abstrak">Kesulitan dalam mencari bibit unggul pada ternak sapi bali, menyebabkan bibit unggul yang terpilih semakin tidak produktif dalam hal penggemukan ternak. Penentuan bibit unggul pada ternak sapi bali merupakan hal yang sangat krusial bagi para pengambil keputusan yang terkait dalam hal ini adalah peternak sapi bali. Jika tidak dilakukan secara tepat dan akurat, maka pemilihan bibit unggul  pada sapi bali yang keliru seringkali mengakibatkan berbagai permasalahan. Model pengambilan keputusan dapat digunakan untuk membantu manusia khususnya peternak sapi dalam mengambil keputusan. Metode <em>Weighted Product</em> adalah metode yang sangat efektif dan efisien dalam pemilihan bibit unggul, karena waktu yang diperlukan untuk perhitungan jauh lebih singkat. Tujuan penelitian ini adalah membuat suatu model pengambilan keputusan untuk pemilihan bibit unggul terbaik pada ternak sapi bali. Adapun model pengambilan keputusan ini membantu memberikan rekomendasi kepada peternak dalam proses pemilihan bibit unggul sapi bali sebagai bahan pertimbangan dalam memilih secara tepat, akurat dan mempermudah proses pemilihan dengan keputusan terbaik.</p><p class="Abstrak"> </p><p class="Abstrak"><em><strong>Abstract</strong></em></p><p class="Abstract"><em>The difficulty to look for superior seeds of Bali cattle causes the selected superior germ plasm being more unproductive in case of fattening cattle. The decision of superior seeds of Bali cattle is a crucial thing for the decision maker, related with this case is Bali cattle breeder. If it is not organized accurately, then the selection of superior seeds on the wrong bali cows often lead to various problems. Decision-making models can be used to help humans, especially cattle ranchers in making decisions. Weighted Product Method is a very effective and efficient method for selecting superior seeds, because the timing needed for calculation is much shorter. The purpose of this research is to make a model of decision making for selection superior seeds of Bali cattle. The decision-making model helps provide recommendations to farmers in the process of selecting superior bali cattle seeds as a material consideration in choosing the right, accurate and simplify the selection process with the best decision.</em></p><p class="Abstrak"><em><strong><br /></strong></em></p>

scholarly journals Sistem Pendukung Keputusan Penentuan Penerima Beasiswa pada SMK Madyatama dengan Metode TOPSIS

2017 ◽  
Author(s):  
Ani Sunalia ◽  
Leon Andretti Abdillah
Keyword(s):  
Decision Making ◽  
Decision Support ◽  
Selection Process ◽  
Topsis Method ◽  
Scholarship Recipients ◽  
Decision Making System ◽  
The Right ◽  
Computerized System ◽  
Selection Of

Data processing in the determination of scholarships in SMK Madyatama to date still use a system that is still manual. Where the absence of a well-computerized system in determining the acceptance of scholarship which then led to the emergence of some problems in this manual system. The problem that often arises is not exactly the distribution of scholarships to students. Problems like this are triggered by the lack of scrutiny of the scholarship selectors in conducting the selection process of the scholarship recipients, which is basically the selection process conducted by teachers from the school itself. The decision-making system at SMK Madyatama will be made using TOPSIS method to determine the right scholarship recipient in accordance with the scholarship recipient criteria. With the decision support system of awarding scholarship recipients at SMK Madyatama Palembang based on this website can help and facilitate the school in evaluating the selection of scholarship receipt.

scholarly journals A new model for the selection of web development frameworks: application to PHP frameworks

2019 ◽  
Vol 9 (1) ◽  
pp. 695
Author(s):  
Khaoula Benmoussa ◽  
Majida Laaziri ◽  
Samira Khoulji ◽  
Kerkeb Mohamed Larbi ◽  
Abir El Yamami
Keyword(s):  
Large Scale ◽  
Selection Process ◽  
Complete Model ◽  
Simple Fact ◽  
New Model ◽  
Technical Architecture ◽  
Comparison Criteria ◽  
Scripting Language ◽  
The Right ◽  
Selection Of

<p>The use of a framework is often essential for medium and large scale developments, but is also of interest for small developments. PHP has evolved as the scripting language the most chosen by developers, which has generated an explosion of PHP frameworks. There is a big debate about what the best PHP frameworks are, because the simple fact is that not all frameworks are built for everyone. Indeed, not all frameworks meet the same needs, and several frameworks can be used together in certain situations. Choosing the right framework, however, can sometimes be difficult. In order to make the selection process easier, we propose a pragmatic and complete model to compare and evaluate the main PHP frameworks. This model is based on a set of comparison criteria based on the Intrinsic durability, industrialized solution, technical adaptability, strategy, technical architecture and Speed criteria. Results show that the values of these criteria allow developers to easily and properly choose the framwork that best meets their needs</p>

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